YCAB_man

Liquid Chiller / Heat Pump YCAB-B Air Cooled-Scroll HermeticInstallation, operation and maintenance manual FORM NO.: YCAB-B-01IOM (0405) License No.: XK06-135-00028 1 Table of contents Air cooled-scroll hermetic chiller/heat pump YCAB-B Table of contents Foreword .................................................................................................................... 3 Section 1 Unit introduction ............................................................................................................... 4 General introduction........................................................................................................................................ 5 Nomenclature .................................................................................................................................................. 5 Unit performance data..................................................................................................................................... 5 Component description ................................................................................................................................... 6 Operational limitations .................................................................................................................................. 6 Options ............................................................................................................................................................ 7 Section 2 Unit outline and installation requirement ............................................... 8 Overall dimension and installation size........................................................................................................... 9 Unit layout clearance requirement ................................................................................................................ 11 Installation check list..................................................................................................................................... 12 Unit installation location ............................................................................................................................... 12 Shock absorber installation ........................................................................................................................... 13 Connection to chilled water pipe................................................................................................................... 14 Water treatment ............................................................................................................................................. 16 Water pressure drop of Heat exchanger......................................................................................................... 16 Air pipe.......................................................................................................................................................... 17 Section 3 Unit control and maintenance ............................................................... 18 Electrical connection diagrams ..................................................................................................................... 19 Safety precautions ......................................................................................................................................... 27 Wiring requirements...................................................................................................................................... 27 Operation notes ............................................................................................................................................. 27 Controller description.................................................................................................................................... 28 Feature of control system .............................................................................................................................. 29 Data sheet...................................................................................................................................................... 31 Interface description...................................................................................................................................... 33 2 Foreword Foreword Air cooled-scroll hermetic chiller/heat pump YCAB-B This manual contains all the information necessary for correct installation, commissioning, startup and maintenance. Safety warning This product contains pressurized refrigerant, moving parts and electrical components, which are dangerous and might cause injury to human body. For the sake of safety, prior to equipment movement or its various operations, please carefully read this manual. All the operations can only be carried out by the technical personnel qualified for this operation. Such personnel must have professional tools, wear proper protection clothing and take necessary safety actions. This manual is designated to provide information required for operation of this unit by professional personnel. Inspection When unit arrives, please immediately check the unit for any possible damages that may happen during transportation. It should be noted on the freight bill of all the obvious damages. Then make a claim for compensation as indicated in the note. If the damages are on the part other than the surface, please immediately contact local York maintenance team for service. Storage If the unit is planned to be stored for some time before installation, please take necessary measures against any damages, corrosion or abrasion. 1. 2. 3. 4. 5. 6. All the connections like water pipe connections must be sealed properly. Temperature for storage area must not exceed 45 Fan cooled coil on the unit should have necessary covering against fins rusting; especially it cannot be stored in the open air at construction site. To minimize the possibilities for unexpected damages (like damages caused by falling objects or collision) try to store the unit in the places where there is least number of various activities. Remove the key to the electrical control panel and give it to site responsible person for care. During storage, check the unit periodically. Symbols used in this manual ! Warning: Be sure to follow the instructions in this warning. Otherwise, it might cause injury to the personnel ! Note: Be sure to follow the instructions in this warning. Otherwise, it might cause damage to the unit. Warranty is subject to following conditions: Installation of such equipment must be carried out by the maintenance people authorized by York or qualified people who have experience with installation and maintenance for liquid chillers. Whilst installation, relevant regulations must be followed, especially the electrical wiring or other safety components (like pressure relief valve) Startup of the unit must be carried out by professional maintenance people from York service center or the professional from designated professional companies. Excessive voltage over operation range will cause damage to the components of the unit. Prior to installation, make sure all the switches for this unit must be in OFF position. Only genuine parts and accessories supplied by York can be used. Operations and maintenance specified in this manual must be strictly carried out to the time period and frequency outlined in this manual. Any of above violations will automatically make the warranty null. All the pictures and information contained in this manual are only for reference. Manufacturers have rights at any time to make necessary modification due to sales or production reasons without prior notice. After reading this manual, please keep it in a proper way in case of need in the future. Also please show this manual to other operators for reference. C and storage area must be kept away from direct sunshine. ¡ ¡ ¡ ¡ ¡ 3 Unit introduction Air cooled-scroll hermetic chiller/heat pump YCAB-B Section 1 Unit Introduction 4 4x1+12.1x1 20.1x3 1. air-cooled condenser.7 110 163 233 17.4x1+12. coil air inlet temperature 35 .1x6 1.9 34. YCAB100-160 water pressure drop includes built-in water filter.1x3 1.8 19.8 30.8 Evaporator Water pressure drop kPa 99 161 222 15.5 20.1x3 1.0x2 20.3x1 20. Nomenclature YC A B 130 S B 50 B York liquid chiller Air cooled Scroll compressor Nominal cooling capacity KW S B 50 Liquid chiller R heat pump Refrigerant R407C 380V 3N~50Hz B Design serial 5 ¢ ¢ ¢ ¢ ¢ ¢ .3 21.4x2 26.7 17.5x6 1. so unit capacity control could be different from above sheet.9 45. This unit is completely independent integrated unit.3x2 20. water flow switch and plate heat exchanger */** The unloading of compressor depends on running time of each compressor and has no fix sequence.6 26.Unit introduction General introduction Air cooled-scroll hermetic chiller/heat pump YCAB-B York air cooled-scroll hermetic liquid chiller / heat pump YCAB-B provides cooling water/hot water to the centralized air-conditioning equipment or air terminal device.2x4 Fan kW 1.1 Performance Data Model Cooling capacity kW 96 120 145 199 250 101 126 152 209 263 324 Heat capacity kW 99 124 149 205 258 Compressor Type Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Qty.0x4 Heating kW 20.3x1 20.1x2 25. Each unit is composed of scroll compressor.2 55.1x6 1.1x2 20.2 43. coil air inlet temperature 7 /45 .1 35. plate type or shell-tube type evaporator and microcomputer control center.1x3 1.5x4 20.1 Cooling mode under standard working conditions: cooling water in/out temperature 12 Heating mode under standard working conditions: hot water in/out temperature 40 /7 . They are all mounted on the base made out of shaped steel.5x6 Unit capacity control % 100-63* 100-50 100-50 100-69-50-19** 100-75-50-25 100-63* 100-50 100-50 100-69-50-19** 100-75-50-25 100-75-50-25 YCAB100RB50B YCAB130RB50B YCAB150RB50B YCAB200RB50B YCAB250RB50B YCAB100SB50B YCAB130SB50B YCAB160SB50B YCAB210SB50B YCAB270SB50B YCAB330SB50B Condenser Model Type V V V W W V V V W W W Air flow m3/h 15876x3 15876x3 17380x3 15876x6 17380x6 15876x3 15876x3 15876x3 15876x6 15876x6 17380x6 Type plate plate plate shell-tube shell-tube plate plate plate shell-tube shell-tube shell-tube Rated water flow m3/h 16.5x4 25.6 24.5x2+12.1x6 1.2x2+12. which is designed for outdoor (roof or floor) installation.2 Unit overall dimensions Water connector i/o G2-1/2" G2-1/2" G2-1/2" 6" 6" G2-1/2" G2-1/2" G2-1/2" 6" 6" 6" Length mm 3271 3271 3271 3271 3271 3271 3271 3271 3271 3271 3271 Depth mm 1060 1060 1060 2038 2038 1060 1060 1060 2038 2038 2038 Height mm 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2418 Weight Shipping kg 1336 1430 1584 2818 2926 1224 1306 1490 2664 2810 3298 Operating kg 1355 1453 1614 2968 3076 1243 1331 1520 2764 2910 3428 YCAB100RB50B YCAB130RB50B YCAB150RB50B YCAB200RB50B YCAB250RB50B YCAB100SB50B YCAB130SB50B YCAB160SB50B YCAB210SB50B YCAB270SB50B YCAB330SB50B Note: Above datasheet are standard working conditions based on GB18430.5x2+12.6x2 20.4x2 26.3x2 20. Set 2 2 2 4 4 2 2 2 4 4 4 Power input Compressor Cooling kW 20.0x2 20.0 17.5x3 1. Table 1.1x3 1.1x1+12. The fan is directly connected and driven by motor.0MPa for waterside. Note: Be sure to use York specified lubricant for the compressor. Vane of the axial fan is made of LY12 aluminum alloy with sprayed plastic treatment on the surface. with built-in overheating protection. Evaporator is wrapped up with 19mm rubber-plastic heat insulation material.8MPa for refrigerant side and 1. copper tubes with internal thread and high efficient aluminum fins are connected through mechanical expansion. All relevant refrigerant pipeline and internal wiring are already connected for ease of installation on site. Vanes have been tested through dynamic and static balancing. Lifting hole for lifting lug for containers and installation holes for shock absorber are all available on the framework. max. allowable voltage is 418V. 6 ¢ ¢ ¢ ¢ ¢ ¢ ¢ ¢ ¢ ¢ ¢ ¢ . 7 . and the sensors send heat signal to the protection module of motor to prevent overheating. Temperature range for unit working environment At max. 50 . max: 17 . Design pressure is 2. aluminum cast case. Do not put unit into such operation before necessary protection measures are in place. and after evacuated.Unit introduction General comments Air cooled-scroll hermetic chiller/heat pump YCAB-B York air cooled-scroll hermetic liquid chiller / heat pump YCAB-B is assembled by the factory. heating: min. 160SB/RB50B series) adopts plate heat exchanger from ALFALAVAL for the evaporator. tested and accepted in accordance with “Plate heat exchanger for cooling application” (JB/8701-1998). Evaporator is wrapped up with 19mm rubber-plastic heat insulation material. 130. 150.“V” or “W” shaped. tested and accepted in accordance with “Shell-tube heat exchanger” (GB151-1999) and “Pressure vessel for cooling system” (JB6917-1998). Electric motor-hermetic three-phase air-cooled squirrel-cage motor. 5 Water inlet temperature—cooling: min. 40 . heating: min. For normal operation. max. 250. max.) Compressor System adopts 2-3 serial connected Maneurop scroll compressors. Double system unit (YCAB200. Incorrect lubricant injection will automatically cause the warranty invalid. which is manufactured. 270. min. Evaporator Single system unit (YCAB100. Compressor can be available with multi-volume regulator. power supply and control circuit. each unit is filled out with R407C refrigerant and lubricant. Each part has been treated with zinc phosphate followed by powder polyester. Each unit has been strictly tested at factory with pressure. Each refrigerant loop is protected with 350psig safety valve (Heat pump unit is protected with 400psig safety valve) Condenser Coil. simply connect water supply. cooling -10 At max. The refrigerant steam will cool down motor of the compressor. Limitation to operation Standard power supply is 380V 3N~50Hz. please propose such request to your distributor or York service center. 210. cooling 45 At min. Unit has been durably constructed with galvanized steel framework. heating -10 Water temperature range Control modes can be available for inlet and outlet temperatures for unit Water outlet temperature—cooling: min. 40 (Note: If customers request the unit to be running under the condition that water outlet temperature is lower than above min. values. allowable voltage is 342V. Unit has gray surface. Heat exchanger is constructed with highly efficient seamless copper tubes with internal threads. 35 . Refrigerant side is at tube side and cooling water at shell side with baffle plate.8MPa for refrigerant side and 1. heating 24 At min. max: 12 . Exhausts the air upwards.0MPa for waterside. which is manufactured. Unit has been tested to make sure cooling system and control function are in normal operation. Design pressure is 2. Winding for each phase is equipped with PTC temperature sensor. 330SB/RB50B series) adopts shell-tube heat exchanger for the evaporator. like ON/OFF Timer manual testing hot plug system Reserved standard RS-485/RS232 serial ports . Microcomputer control center All the control and startup devices have been installed and tested at factory. and suction and discharge pressure for each system Malfunction display. Its surface is gray painted. All the malfunction records can be traced back. accumulator (heat pump). Control panel is composed of two independent parts: electric motor starter and unit controller. environment temperature. Liquid pipes after the expansion valve and all suction pipes are wrapped up with rubber-plastic heat insulation material. solenoid valve (single cooling). filter-drier.) £ Coil protection £ 7 This unit also has other control functions. Unit has following control functions: LCD dot matrix display 4 line 15-row characters display Operation status display Unit operation data display-cooling/hot water inlet/outlet temperature. Three protection alternatives are available from the unit: Black fin coil-aluminum fin for the coil is coated with black epoxy resin. under salt spray condition and other cases where corrosion is easily available. Cooling system has been tested at factory on pressure and leakage. D1 and D0 status display-can display the status of both input (D1) and output (D0) for different modules. which are installed into a galvanized steel box.unit adopts copper fin (this is not suitable for the site where there is acid rain. System has been evacuated and filled with R407C refrigerant. control center and controlling components. Control protection function This unit is featured with following control protection functions: Current break protection Prevention of frequent compressor startup Compressor overload protection Protection against excessive discharge pressure Protection against low water temperature Remote control Energy control Limitation to operation Network Remote-locked isolator Balanced compressor operation Fan overload protection protection against too low suction pressure protection of power supply Following options are available from this unit: Standard unit adopts coil out of copper tube and aluminum fin.Unit introduction Refrigerant loop Air cooled-scroll hermetic chiller/heat pump YCAB-B Each unit is composed of 1~2 independent refrigerant loops and each loop includes: liquid refrigerant stop vale. which will be alarmed with buzzer and indicators. thermal expansion valve. Control panel includes power supply. sight glass. Phenolic resin coated coil. system will initialize auto test and display the causes. Control panel is installed with hinged door.when unit malfunctions. It is suitable for the application near coast.aluminum fin for the coil is coated with phenolic resin Copper fin coil. discharge and suction pressure switches. Box design complies with IP55 for rain and dust proof. four-way valve (heat pump). Unit outline and installation requirement Air cooled-scroll hermetic chiller/heat pump YCAB-B Section 2 Unit outline and installation requirement 8 . YCAB150RB50B and YCAB160SB50B Water Inlet Water outlet Scaling down drawing in direction a Shock absorber installation holes Figure 1 A YCAB100~160SB/RB50B B C D E F G H I J K L M N Notes: 1. YCAB130SB50B. YCAB130RB50B. Please refer to practical products for detail of the internal structure. 2. Adoption of spring shock absorber will increase the installation height for unit by about 135mm. 3. Inlet and outlet water pipes have connector with internal threads:G2-1/2”. YCAB100RB50B.Unit outline and installation requirement Unit overall dimension 1: Air cooled-scroll hermetic chiller/heat pump YCAB-B Overall dimension for models YCAB100SB50B. 9 © © ¤ % © ¤ $¤1$0¦¨)($'¨¨&¦© % ¤ % ¥ ¥ Unit mm 2 © $#¨¨"¦¨!¨¨© § ¥ § ¥ ¥ ¦§¦¨¨¨¨¨¦¤ ¤ § ¥ ¥ © § § ¥ . Above drawing is only for reference. Adoption of spring shock absorber will increase the installation height for unit by about 135mm. Please refer to practical products for detail of the internal structure.0 RF HG20615. YCAB210SB50B. Inlet and outlet water pipes have tube flange connector: SO 150-2. Above drawing is only for reference. 2. 3.Unit outline and installation requirement Unit overall dimension 2: Air cooled-scroll hermetic chiller/heat pump YCAB-B Overall dimension for models YCAB200RB50B. $EBQ$EP7Ï¨¨!¨¨DE7G¨(#E7D¦¨¨&A7@67¨87¨)¨¨¦3 F 3 F 3 B 6 H 9 H 3 H 4 4 F F H B 3 4 4 B F 9 B 9 6 C 4 5 B 5 9 3 5 6 3 4 5 5 5 4 $EBQ$EP7Ï¨¨!¨¨DE7G¨(#E7!¨¨¨&A7@67¨87¨)¨¨¦3 F 3 F 3 B 6 H 9 H 3 H 4 4 F F H B 3 4 4 B F 9 B 9 4 C 4 5 B 5 9 3 5 6 3 4 5 5 5 4 $EBQ$EP7Ï¨¨!¨¨DE7G¨(#E7D¦¨¨&A7@67¨87¨)¨¨¦3 F 3 F 3 B 6 H 9 H 3 H 4 4 F F H B 3 4 4 B F 9 B 9 6 C 4 5 B 5 9 3 5 6 3 4 5 5 5 4 $EBQ$EP7Ï¨¨!¨¨DE7G¨(#E7!¨¨¨&A7@67¨87¨)¨¨¦3 F 3 F 3 B 6 H 9 H 3 H 4 4 F F H B 3 4 4 B F 9 B 9 4 C 4 5 B 5 9 3 5 6 3 4 5 5 5 4 $EBQ$EP7Ï¨¨!¨¨DE7G¨(#E7!¨¨¨&A7@(RA787¨)¨¨¦3 F 3 F 3 B 6 H 9 H 3 H 4 4 F F H B 3 4 4 B F 9 B 9 4 C 4 5 B 5 6 F 5 6 3 4 5 5 5 4 Unit mm S 10 . YCAB250RB50B and YCAB270SB50B Water Inlet Water outlet Scaling down drawing in direction a Shock absorber installation holes Figure 2 A YCAB200RB50B YCAB210SB50B YCAB250RB50B YCAB270SB50B YCAB330SB50B B C D E F G H I J K L M Notes: 1. performance of the unit may be affected or malfunction will be the case. Clearance between unit and lower wall or louver still needs to conform to the min. If the unit is installed at the location where there is dynamic airflow. York recommends min. To prevent air return in the condenser and avoid malfunction. If units are installed in parallel. 11 . If louver is adopted. unit clearance. 2. like exposed roof.Unit outline and installation requirement Installation clearance illustration 1 Air cooled-scroll hermetic chiller/heat pump YCAB-B Air flow out Air flow in Air flow in Figure 3 Installation clearance illustration 2 Air flow in Air flow out Air flow in Figure 4 Clearance (mm) A 2450 B 1525 C 1525 D 2450 E 15000 Above installation clearance requirements apply to all YCAB-B units Requirements for location and clearance 1. clearance between two adjacent units is 3600mm. If such clearance cannot be guaranteed. what needs to be put into consideration is the influence by the downward airflow from surrounding high-rise buildings on the exhaust air from the unit. as illustrated in figure 3 and figure 4. make sure the min. To ensure enough airflow to condenser coil. air that flows through the coil will be limited or the exhaust air will return. lower wall or louver can be considered as measures against the interference on air intake by disturbed airflow. the static pressure outside the fan should be more than total loss of the static pressure. 3. installation clearance required for the unit. As a result. make sure its height should never exceed the unit. If lower wall is required for unit. unit needs to be elevated and higher than snow height so that air can smoothly flow through the coil. it should be noted on the carrier’s freight bill. The catwalk must be capable of supporting service personnel and their equipments. like fence. Check to insure the pipeline is clean. do not remove protective cover from flange or threaded connector. 4. Installation check list Prior to installation. If the unit is installed at location where unauthorized person can get access to. make sure the lifting hook is in close contact with the holes in base rails to prevent the lifting chains damaging the unit. 2. such roof must be capable of supporting the weigh of unit and service personnel. See “Unit performance datasheet” for operating weight. capable of supporting the entire operating weight of the equipment. Following is the installation procedure: Handling This unit is shipped as completely assembled unit containing full operating charge. which may have occurred during transit. For any request for special installation location. unless Sales Order specifies. Check the installation and operation to make sure they meet the requirements for running the unit. Mounting holes are provided on unit steel base for firmly bolting unit to foundation. 12 . so that artificial or unexpected damage can be avoided or the control panel will not be opened to expose electrical components. steel base of the unit must be mounted on flat and level concrete foundation. it should be inspected for possible damage. Holes on steel channel must be coaxial to mounting holes of shock absorber on unit. and care should be taken to avoid damage due to rough handling. Foot-stands of the concrete foundation must extend below the frost earth line. If the unit is elevated beyond the normal reach of service personnel. Connect the pipeline in a correct way. unit foundation must not be connected to the main building foundation in case of transfer of noise and vibration. Air cooled-scroll hermetic chiller/heat pump YCAB-B If the unit is to be operated in winter. a suitable catwalk must be constructed around the unit.Unit outline and installation requirement 4. When installed on the ground. Check the unit for any transportation damage Prior to connection to water pipes. please arrange safety protections around the unit. 3. Unit can be mounted on the concrete foundation or steel channel similar to on ground. Inspection Immediately upon receiving the unit. far away from boiler chimney and environment where the aluminum/copper condenser and other copper components will be subject to corrosion. A written request for inspection by the carrier’s agent should be made at once. Installation location Outdoor installation The unit can be installed on the ground or suitable roof where there must be enough airflow. floor or rooftop. Try to not install the unit on where noise and vibration should be avoided The unit installation location should be free of direct sunlight. When lifting. please check the unit for following: 1. please consult with construction contractor or building designer or other professionals. Make sure. Unit is shipped without wood pack. Foundation The unit should be mounted on a flat and level foundation. plus the installation location has snow already. When unit is installed on the roof. plus such steel channel must be wide enough for installation of shock absorber. If damage is evident. please refer figue1 & 2. Fan required for indoor installation needs to generate airflow with high static pressure. If necessary.Unit outline and installation requirement Indoor installation Air cooled-scroll hermetic chiller/heat pump YCAB-B The unit can be installed in the house. silencer and louver for incoming air must consider the principle: total static pressure loss of those components will not exceed static pressure outside the fan. 6. 3. Do not tighten the lockup nut before shock absorber is loaded Lockup nut Leveling nut Figure 5 Shock absorber installation U 1. never move the connected shock absorbers. YCAB-B air-cooled chiller/heat pump is equipped with spring shock absorber which has compression set of 15~25mm. Static outside pressure: 100Pa. Note: Selection of air exhaust pipe. Lift up the unit about 135mm. For distance between centers of installation holes. and install bolts of the absorber inside the fixing holes on the unit steel base. Air exhaust pipe should be installed on top of the unit to exhaust the air so that airflow return inside house can be avoided. 5. For installation on the roof of high-rise building or at vibration sensitive area. M12 leveling bolt 2-ø13-fixation hole 13 . Screw in leveling nut and adjust the working height to 130mm. Flatness of concrete foundation must remain within T 3mm. Clearance must ensure adequate airflow through coil. Note: It is suggested mount the shock absorber on the foundation with two fixation holes. but the ground must be flat and be capable of supporting operating weight of unit. Screw in the nuts around one by one to insure working height is the same for all absorbers. When correct working height is reached. Put the unit on the absorbs. 4. Shock absorber installation procedure: 2. connecting a copper pipe from relief valve of the unit to outside. Arranging louver on unit house to offer good ventilation is recommended. Adjust working height of absorber. add air suction and exhaust fans to ensure airflux and avoid cooling capacity loss For indoor installation. Shock absorber installation With the 14mm installation holes on the steel base. Once unit is located in place on the foundation. please consult on selection of shock absorber. unit can be bolted on the foundation through spring shock absorbers. tighten the lockup nut. Remove the lockup nut off the shock absorber as illustrated in figure 5. Put back the lockup nuts on the bolt of absorber and screw them in. which might be frozen. 1. please install the water temperature sensor on the public outlet water line. If water flow through heat exchanger is in reverse direction. 3. Heat exchanger piping should be connected through flexible connectors in order to against transmission of vibration. the unit water piping may be connected. 5. unit performance will be worse. and for inspection of evaporator connection pipe. adjust the settings for water flow switch till suitable value based on rated water flow for the unit. The unit which uses plate heat exchanger is already equipped with water flow switch. Fan coil terminal units that connect to the chiller should be equipped with three-way valve to ensure water circulation once pump is started. 12. Unit is not equipped with thermometer or pressure gauge. When the temperature is below 0 and unit stops. 9. A water flow switch must be installed in the leaving water piping of the unit to against flow stoppage. 11. 4. install a 40-mesh filter for evaporator (Note: the unit which uses plate heat exchanger is already equipped with water filter in factory).Unit outline and installation requirement Water piping connection Air cooled-scroll hermetic chiller/heat pump YCAB-B Water flow switch Main pump Return water Unit Spare pump Stop valve Water/air discharge valve Regulating valve Flow meter Filter Pressure gauge Connector Water pump Leaving water Figure 6 Water piping installation General requirements When the unit has been located in its final position. Water pump will directly pump the water to heat exchanger. liquid chiller must be drained to avoid freezing damage to unit. do not switch off the power supply for the unit. Water filter should be just ahead of the evaporator and be insulated. 10. connector is 25mmNPT. On site. For installation for water flow switch. Also be careful to not flush any foreign material into evaporator. Water pipes within the system. install thermometer or pressure gauge on return and leaving water pipes. Working pressure for water flow switch is 150Psig. 6. For convenience for maintenance. Vent and drain connections should be extended beyond the insulation to make them accessible. Drain connection should be install at all low points to permit complete drainage of liquid cooler and piping system. including the flange of heat exchanger. Normal installation precautions should be observed. but not on the unit. Power supply for heater must be provided with separate fuse. Water flow must go through inlet into heat exchanger. Piping should be kept free of all foreign matter. please strictly follow “Guideline to water flow switch installation and commissioning”. 8. During maintenance. For shell-tube heat exchanger. Please do not reset the flow rate on site. 15. Neither an extra water flow switch is required. ¢ 14 . 2. must be insulated. after installation of pipeline. please also drain away water. run a complete flush to the cooler piping to make sure there is no foreign material left over in the line. There should be a straight horizontal run of at least 5 diameters on each side of the switch. A valve or valves should be installed at the highest point or points in the chilled liquid piping to allow any trapped air to be purged. Water flow switch should be connected to control panel through shielded cable (Please refer to electrical connection diagram for more details). Water pump installed in the water line needs a starter. Auxiliary pipe and pipe connector must be supported on separate support. and flow rate & parameters are already set up. inlet/outlet pipe for heat exchanger can be switched off without interference with other heat exchangers. For units in a network. 14. All liquid cooler piping must comply in all respects with local plumbing codes and ordinances. 13. Heating pump is not in operation for long time in winter. Bypass pipe and bypass valve as illustrated in figure 6 must be installed so that it is very convenient for cleaning of external water system before unit commissioning. If not drain. Prior to unit operation. 7. The chilled liquid lines that are exposed to outdoor ambient should be wrapped with a supplemental heater cable to protect against freeze-up during low ambient periods. Customers need to buy for themselves. Pipeline and pipe connectors for heat exchanger must be removable for operation and cleaning. There should be a straight horizontal run of at least 5 diameters on each side of the switch. if the tested value from flow meter is less than 60% of the rated flux. Once there is no click heard after the lever springs back. (Figure c) Grounding must adopt professional grounding screws. Please pay attention. That is. 2. Flow switch can be installed on the horizontal pipeline or vertical pipeline in which liquid flows upward. carefully check the packaging and water flow switch for any damage or deformation. the flow switch should cut off the power of unit. judge whether flow switch or the system connected to it are functioning or not. After installation. do not adjust any other screws except those for micro switch terminal or grounding. Do not remove or dismantle the screws as want. If there is any problem. Make sure liquid inside the pipeline must flow in the same direction as indicated on the switch. take into consideration the weight of water. please contact manufacturer. When installed on vertical pipeline in which liquid flows upward. 5. diameter of leaving water pipe and adjustment range for flow switch trigger (Please refer to the manual) Also make sure such trigger must not touch inside wall of the pipe or other throttles in the pipeline. Do not adjust the setting to the value lower than factory setup. Its wiring terminal must be located in an accessible place (Figure a) When installing and wiring. pay attention to following issues: Do never touch the bottom plate of flow switch with the spanner. Before installation. otherwise it may cause the switch failure. as air can oxidize steel parts inside the heat exchanger. turn clockwise the adjustment screw until a click is heard. excessive force when wiring on micro switches may result in micro switch displacement and lead to failure. Installer/customers must ensure water quality and no trapped air in water system. flow switch may be failure (Figure b) Switch off the power before wiring or commissioning to avoid electric shock or damage to equipment. Guideline to water flow switch installation and commissioning 1. including filter and heat exchanger. Based on the testing values obtained from flow meter. Please select flow switch trigger in accordance with rated flux. and then capped its cover timely. Observe it for three working cycles. Flow switch has been set up with min. Do not install the flow switch on the vertical pipeline in which liquid flows downward. check the flow switch by pressing on the levers for flow switch. 4.Unit outline and installation requirement Warning: Air cooled-scroll hermetic chiller/heat pump YCAB-B For water plumbing. If doing so. dreg and water scale will seriously damage heat exchanger. flow value before delivery out of factory. flow switch will not reset as normal. otherwise it will cause the switch failure. 3. Whilst wiring. If doing so. Adjustment screw Installation screw Figure 7 15 . Dirt. Air-cooled water chiller/Air-source Heat pump Units Water Quality Requirement Item PH 25 Unit Limit 7.0 b <0.Unit outline and installation requirement Water treatment Air cooled-scroll hermetic chiller/heat pump YCAB-B Cooling capacity in performance datasheet is given based on scale coefficient of 0.05 b <10 b <50 b Note 1. heat exchanger will have serious scale.8-8. reduce flow rate and cause mechanical damage to pipe clusters of the heat exchanger. which effects heat exchange and drops the cooling (heating) capacity directly. 3.1 b <65 ¢ b ` aY W XV .5 b <0. Foreign materials inside the water will increase pressure drop inside the heat exchanger. Once the parameter is over the limit.5-8. When the parameter of water quality in projects that trend to corrosion is over the limit for a long time. Alkalescent water is not recommended. The parameters of water quality should meet the demand as above form. Users should take on the lost that comes from the unqualified users’ water quality.0 b Tendency Corrosion Scale b SO4-HCO3-/ SO4-ClPO4 NH3 Free Chlorine Fe+++ Mn++ CO2 H2S Temperature Oxygen content Total hardness ppm ppm ppm ppm ppm ppm ppm ppm ppm ppb Y <100 1.0 b c <50 b <2.044m2 /kW. grease and specific water treatment will cause adverse influence on efficiency of heat exchange and unit performance. Life of the heat exchanger will be reduced if water contains air.5 b ppm <0. Consultation with water treatment experts is recommended by York to find out what quality for the water will not influence performance of the heat exchanger. 16 b dH 4. 2. Water quality should be inspected before unit installation and regularly during unit operation. water scale. the heat exchanger will leak for corrosion. When the parameter of water quality in projects that trend to scale formation is over the limit for a long time.5 b <0. The unit cannot operate normally and use as usal. the heat exchanger will leak for corrosion and is possible to have serious scale formation.5 b <0. YCAB200RB50B. YCAB270SB50B. YCAB330SB50B.Unit outline and installation requirement Water pressure drop of heat exchanger dd ffd e dd ffv Air cooled-scroll hermetic chiller/heat pump YCAB-B Water flow rate (L/s) A-YCAB100RB/SB50B B-YCAB130RB/SB50B C-YCAB150RB/160SB50B Above curve for water pressure drop is for the unit including built-in water filter. YCAB250RB50B 17 dw e iqs yiw r ixp yifh yiqg eiw fyiqd e d e dw e dw e dw d ee dw dw iqv iqu dw d iw t iwqs d iw r d dw ixp ifh dw iwqg d d iw e iwqd d d Pressure drop (kPa) dd ffu d fd t dd ffs d fd r d fdqp dd fih dd ffg d fd e Pressure drop (kPa) . water flow switch and heat exchanger Water flow rate (L/s) D-YCAB210SB50B. Air pipe should be installed at proper location with separate support to avoid shearing pressure caused by air flow. a check valve is recommended to avoid air return. run a copper pipe from the pressure relief valve to outside.Unit outline and installation requirement Pressure relief valve for refrigerant pipeline Air cooled-scroll hermetic chiller/heat pump YCAB-B For sake of safety. do not settle other weights on the unit. 1000mm straight pipe piece must be retained against return flow. The fan should be connected through flexible connectors with air pipe to avoid transmission of vibration. When air pipes of each fan are connected to the general pipeline. Flexible connector should not be flexible hose. recommended section area should be the same as that for air outlet from the fan and min. Air pipe should be suspended with shock absorber to avoid transmission of noise and vibration to building. 18 . pressure relief valve for refrigerant is installed on the suction pipeline for shell pipe heat exchanger. Unit is not designated to support the weight of building or air pipeline. Air pipe For air exhaust pipe for the fan. Except the 1000mm light air pipe. When unit is installed indoor. Unit control and operation Air cooled-scroll hermetic chiller/heat pump YCAB-B Section 3 Unit control and operation 19 . ifqi gx¡ £ii £§ ¦ ¢ ¢ª £ ¢ §£ £ qª f§ q¡ i¨ © q¢ ¨ qxfffxqfi fxxfqii ¢ §¦ ¦ « i ¡ i¥xq¦ q f g¡ fxq¨ fqgf if £ ¥ix qx¡ Rqf qqi ¤ ¢ £ ¢¡ fiffqqqf giqfxqf f gf¨ fqgfRi¬ £ £ fi£ ¥xf¨ fxxf¥ ¢ ·¶ £ fiµ if ´ ¢ ² ±°¯ ³qif® ± fqxgq f¹q¸´fxq f»qºxxfºgq ¿¾½ qÀgxxg ¼ f¹qÄqgq Ã ¸ Á½ ¿¾½ gq½g´ggxgx ¼ Á½½ Â¾Á qgg»xx½ q ifgqixiqx¶ gq g¡ f ¢ ¢ Æ iÇ iÆ¢ ¡ ® qÅ ~ éæé æç è å ä ã ã Ü Ô Ù â EÝà¦¨Ë¦Ù Ëá àÞËÛÒ¦EØE¨ÕEÑÒ7ÎÏ7¦¨ËÈ ß Ý Ü Ö Ú Ù Ð × Ö Ð Ô Ó Ð Ì Í Ì Ê É j i i qfix q j i i qfix q f f i iqfff i if x Rf f i if q iR i if x i fffff qd qfe g q q h f f qd qfe g q q h f f qd qfe g q q h f f f iiifiq$ x f$ qfi d iif qe x qi i Ri ifffq g nq fip o im ik n l } e{ w z y s ¨w s v r u s ¨s r | x t YCAB100SB50B Electrical schematic drawing and wiring diagram Unit control and operation 20 Air cooled-scroll hermetic chiller/heat pump YCAB-B . xwvce p hesgwsy fSESfd tWStWSWc xfSv SeuWWtfrfd iWWfEc w c gcesq p h gced xwvc edcvd yd tSESefEfSWSg hitEc xwvc h fSESe iW xw c cpgs fSv SeSSStEWEh xfWESeuWSSfrfd SWc wvc gcesq p hys cg cgw cpgs St StttrStSt WEh tt StttwWt cg cg ¥ T P V WX T RWQ X 9WU T SQ P I V I V R G EG F EC H D öô óïòñë ïëîêíëì ë qõxxð´ggxg»ê YCAB100RB50B Electrical schematic drawing and wiring diagram 21 A 8 7 ) % 5 B0@9¨7¨% 64 301'('%$"¨¨¨¨¦ 2 ) ! & # ! © § ùø÷ ú úûû ÿ üþý ÿ¡ ¤ Y` bYb a ÿ¢ ü û ¡£ . | s{p yxw vrutsrq iWfvzWittffSp | s{pv upvr yxw upvx iWfSi}W@SWp | s{ v vxp {xtuw qx iWp~S@ttWifSp | s{p pyur ifWv~tftttw |iES}uWw@fWp s{pv upvr yx qr pifSftifstftttw up u pyur p up u ifSftifsztW on ffm WfW tEEfS t W ESS S lkj ²¯² ¯° ± ® ¬ § (¨6¬B(£¨¤B¤ «ª 6¨¦"£¢ (¨(B"B © ¨ § ¥ ¤ ¡ Wghtftiffiftf i fed YCAB130/160SB50B Electrical schematic drawing and wiring diagram 22 . ¤¤ t§¤¨tttý ý £ ¢ § þ © þ ÿ ¨St¤i¦!S¨ý ý § © ý § þ ¥ £ ¢ © ý § ¢ ý § ¢ ý ¢ © ÿ ¢ ¨S§"ï!fý ý ü ¤S§'t¨% ý ý £ © þ & % ¨S§t¤f$ !# ¨SS¨¥¦¤¢ ¡ttWü ý § © ý § þ £ ÿ þ ý ý© $$ý© ý£©þ&% f( 't¤f$ !# ý© $$ý© )% f( "¤( $ ûú tfù × Ô ÙEÙfW× ÖtÕ EfW× SÕ EÓ Ú ÚÓ ÙØ Ö Ô Ñ SEEWÎ ÒÑÐÏ ÄÃÄ ÈÉ ÇÅ Æ ËÈ Ê ÈÅ ÃÊ ÌÄ Í øõø õö ÷ ¿ ¾zWtSEfºWStSWWµt³ ½¸¼»´¹ ¸´·³¶´ ´ YCAB130/150RB50B Electrical schematic drawing and wiring diagram 23 ô ì ò ñ ñ ë å (ó((éé ï ð î ì ë æ ê é â ç æ â å ä ã â 6í¦B£è£("àáßBÞBÛ Þ Ý Ü ÂÁÀ . ª ¡ ¨ ¤ § © s § © « ¡ ª ¡ ¡¨ © s§ ¦ ¥ ¤ ¡ ¥¥ ¡ © ¨ ¦ ¥ ¡ § ¤ ¡ ¥ ¥ ¡ © ¬ ¥ £ ¢¦¡ ¤ r b S P V Y W V R UT S a `X R Q P b S a P VdU P FX ¤P P V R c Y W U V X b S V V XP T W X a P à X U Q P b S V Y U a P iP R h g f W e b S a P VdU P FX P t V R c Y W Q R P Up f P S Y U h f f U sP R g W e P Upf P S g p f U rq f P e U ! xyxwvu {| {~~ } z rP t p e a y T T UV Tg T t X ¦V x w v v p l eq!6efgl uit s!rgonekifge q p h m l j h d I H G FD 9 C B 4 A9 4 8 3 7 4 64 3 E @ 5 YCAB210SB50B Electrical schematic drawing and wiring diagram 24 oAng n nnenenngggg 210 . §¥` ¥£W £¥p X T s p u c t s c S q g S t s c S Y g ££` ¥¥£T U £¥` ¥r¥¥X ¥i U h ¥a t s c S c q p g c X h h c ¥¥b ¥¥¥X s c ¥¥¥i U h £a q X p g c X h c ¥¥b h £¥X s v £b h U ¥ f ec §b ¥T ` d Y a Y X S U £T ¥¥W T VT S ¦ £¡ ô ÷ î ¥ñ £ ò ¡ ÿ ÷ ¤ ¢ î ï ¦¥¡ ô ÷ Fò ÷ £©£ñ §ò ÷ î ñ ÷ î î ¨ ¤ ¢ £¡ ô ÷ î î ñ ÷ ô ñ ï ò §ñ ÷ ¦ ¢ ÿ ¦ £¡ ô ÷ ùó §ï ð î ¢ ¦ £¡ ô ÷ ù÷ ¥ò ¥ ð §õ î ¤ ¢ ¦ £¡ ô ÷ Fò ÷ £©£ñ §ÿ ÷ ó î î ¨ ¤ ¢ ÷ ÷ò¡ ¤ ¢ ò ö ¥÷ ¥ò ¥ ð §õ ÷ò ÷ò¡ ö ð ö É Ç È ê ç ì ì í ê é è í iì ë ê é è ç æ æ äåäãâá ¼½½ ú ù÷ ö õ ï ô ø ó ó ï ò î ñ ï Fï î ð ÁÂ À¾ ¿ ûü þûþ ý ÁÄ Ã Á¾ ¼Ã Å½ Æ » º ¹ F· ³ ¶ µ ® °³ ® ² ± ® °® ¸ ´ ¯ YCAB200RB50B Electrical schematic drawing and wiring diagram 25 R QD PQI&$839&9 H3G I B 2 F D B 4 "ECA@39 875) 3$0&"(&%&$" ) 6 4 2 1 ) ' # # ! à ÚßonÞnÙg¡×¡× !Ü Þ Ó Ý Û Ú Ù Ô Ø Ð Õ Ð Ò Ð Ï Í ï¤×gÖÔ¡Ó¡Ñ¡!¡ÎgÍ¡¡ËgÊ Ì . 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All the sensitive components (contactors. 4. allowable is 418V. please contact York service center. chiller/heat pump YCAB-B Air cooled-scroll hermetic Prior to operations. 3. 2. allowable power supply is 342V. 2. 10. 11. coil of the relay) that are under the control by York voltage-free contacts must be controlled with standard capacitor suppressor so that electromagnetic interference can be avoided. thunder rod or telephone. wiring may be loose and control system may malfunction. Consequently. Unit can only operate with 380V. ! Note: Use only the correct cables for power supply system for the unit. customers have the obligations to provide over current protection to the units supplied by York. Proper cables must go through the holes in the bottom of the control panel to the wiring terminals for power supply. Operation notes 1. customers can only take power supply from the master circuit breaker for the whole unit so that when the circuit breaker triggers. Fuse for power supply system and circuit breaker must match up with working voltage and current for the unit. Please separate strong power and weak power when wiring the system. 220VAC also runs through control board. Unit must use separate power supply system. and rated current is 3A. min. 3. If doing so. When cleaning the dirt. If customers have any request for repair. Improper grounding might cause unexpected electric shock. use if for cleaning. 6. Unit is prohibited to share power supply with other electrical appliances to avoid overload. Any improper repair to controller may cause electric shock or damage to the controller. For the power supply for the voltage-free contact. Power supply or control circuit that is not connected to the control panel is not allowed to run through control panel. all the voltages on the whole circuit for the unit will be released. 3. 28 . unit and its controller will malfunction or be damaged. Consequently.Unit control and operation Safety precautions 1. Please read carefully and follow all the “Safety precautions” “Safety precautions” list up all the precautions in relation to safety. All the weak power cables connected to control panel must be shielded cable. Do not twist or pull the electrical cable inside the control panel. Otherwise. Shield layer must be properly grounded. 9. Users should never try to do the repairing themselves. it may cause controller to fail or electric shock. Then use clean and try cloth to clean up controller or control cabinets. High voltage power cable will normally run through control panel. DO not connect this grounding line with those for gas. When operating the unit. fuel lines. All the electrical circuits must comply with local wiring regulations. ! Note: Unit must be properly grounded. Contact manufacturer or authorized dealer for installation and technical service. Frequently check unit grounding. all the voltages on the whole circuit for the unit will be released. If the wiring does not conform to electrical installation specification. rated voltage is 220VAC. 7. Otherwise. Wiring requirements Warning: Use only the electric components specified by our company. max. warranty will be null. 5. thinker or chemical agents to clean controller or control components. All the cables that are connected to the control panel need separate support. Do not support them on the control panel. system may discolor or malfunction. According to Chinese standards. Shield cable must be separate from power cable to avoid electromagnetic interference. customers need to provide power supply for part of the voltage-free contacts. Power cable should be kept 100mm away from signal cable. Do not use Benzene. 8. Note: Please carefully read all the labels on the control panel. No controlling components are required to be added to the control panel (like relay). water pipe. Warning: All the power supplies connected to the unit must go through a master circuit breaker (not supplied by York) so that when the circuit breaker triggers. In the control panel.3Ph -50Hz. please dip the cloth into water with neutral cleaning agent. do not press the button with sharp tools to avoid damage to controller. 2. After the cloth is dry. 1. electromagnetic interference may cause malfunction or damage to unit or control components. Please strictly follow these instructions. e. Air cooled-scroll hermetic chiller/heat pump YCAB-B Do not exert too much force on the display or connection to avoid color change. ! Warning: strong power is available in the control panel. Cursor key Press “pg” key to come do different pages. To change the settings. Press “START” key. d. then press “ENTER” key to make the corrections. LED indicators on unit running This includes running indication (RUNNING). press any key to stop the alarm. do not touch any other control elements or terminals other than those for the display. unit will start to run as start setup in the system. Setup key and selection key Press “MENU” key to come back to upper level menu until system is back at main menu. press “ALARM” key to directly find out trouble. it will give off “Di-Di-Di” Pushing ENTER key will “Di” b. LCD dot matrix display display 4 lines and 15 rows.Unit control and operation 4. Press “tu” key to move the white area advance. Then press “ENTER” key to confirm. “ENTER” key has to be used to confirm selected area. Buzzer hole When system is alarmed for trouble. Startup key “STARY” and stop key “STOP” System can be started and stopped by single key in any interface. before the power supply is disconnected from unit. heating indication (STANDBY1) cooling indication (STANDBY2). If doing so. When there is trouble. f. OUTPUT1-OUTPUT12 are the indicators for each of the compressors under module 1-4#. it might cause human body injury. Controller description Display illustration a. trouble indication (ALARM). Press “STOP” key. Functional key ”FUN” and inquiry key “ALARM” Press “FUN” key to manually defrost or force to turn on/off the unit. When system is under setup. use these two keys to correct the figures and move down the white area. first come to relevant interface. In the main menu. g. 5. Press it again to reset the trouble and get out of this icon. defrost and anti-frozen indication (LOWTEMP). low temperature. 29 . unit will run as stop setup in the system. c. voltage: 220VAC Power: < 20W s k. When one module is powered off. 4. All the input/output signals and communication data are strong enough against interference so that unit can work in a steady and reliable way: No wrong information. handling. Following functions can be realized through controller: remote control. Working process and functions of the controller meet the requirements of Q/SKCG01-2000 in relation to technical specification and requirement for microcomputer. anti-frozen after work. 5. timeout lockup. auto defrost. RS-485 standard serial communication port This is the communication port (RJ11) to computer (PC). energy control. display panel can indicate its address. Controller has function to prevent accidental or incorrect operation. Each module can be integrated in to the network once is power up. no shaking and temperature will not jump over 1. 1-8 modules comprise “network of air cooled-scroll hermetic chiller/heating pump” Network group: Local network can be prepared through simple communication setup. 2.0 . RS-232 standard serial port This is the communication port to computer (PC) or MODEM. operation limits. For example. auto dial for alarm. manual and automatic switch between operation mode. running control. System can be connected to public Internet through Modem for remote control. Figure 5B Port illustration j. Chinese display and hot plug. Safety and electromagnetic compatibility comply with applicable national regulations on safety for electric and electrical products and electromagnetic compatibility. Note: h and j ports can be selected through jumpers inside the unit. Power supply input 15% Features of control system 1. t 3. system will not react if there is trouble. Communication line can run up to 1200 meters. 30 . it will not affect other module. manual testing. All the data to be set up have relevant default values. At the same time. 7. Control mode: one output for water pump and 2~3 scroll compressors for an independent cooling system. 8. Communication line can run up to 1200 meters. load match up. RS-485 standard serial communication port This is the communication port (RJ11) to control system (I/O) module. i. Data setup is secured by multi-password. 3 condenser fan for public fan system.Unit control and operation Air cooled-scroll hermetic chiller/heat pump YCAB-B h. Such default values will come to effect when unit is started for the first time or default values need to be confirmed. 6. electrical heating. timer ON/OFF. automatic trouble diagnosis. Computer needs to have conversion port 485/232. I/O control board address DIP switch illustration 2. I/O control board address list Unit address Figure 5C Note: DIP switch illustrated in figure is “1” up and “0” down Figure 5 Figure 5D 1# unit address Figure 5E 2# unit address Figure 5F 3# unit address Figure 5G 4# unit address 31 .Unit control and operation Air cooled-scroll hermetic chiller/heat pump YCAB-B Address configuration for unit combination I/O control panel 1. 2 Module combination air-water system data setting sheet Category Leaving water temp.0 C 5.0 C-55.0 C 1. Time setup for system from initial power-up to compressor warm-up v u u w v w v Default value 12.0 u 2.0 u u u u u u u u u u u u u u u Setting range -20 u u u u u u u u u u u u u 1800s 1200s 300s 10s 1200s 10.0 C 10. below -5 Oil warm-up startup temp for compressor 5.0 C-25. required to start the 2.0 u Heating option in auto mode 20.0 C-5.0 C C C C C C C C C C C C C C C .0 C 20 C-40.0 u 10.0 C-5.0 C-30. In summer Returning water temp.0 u u 25. In summer Fluctuation range Leaving water temp. 32 u 20. required to start the water pump for anti-frozen compressor for anti-frozen compressor after anti-frozen Operation temperature for electrical heater Shutoff temperature for electrical heater Temperature difference when defrost starts Temperature when defrost stops Shortest interval between defrost cycles Shortest interval between defrost cycles Longest defrost cycle Fan & 4 way-valve start delay after defrost Defrost waiting time when system is initially powered on.0 u 35.0 u C 35.0 C 35.0 u Leaving water temp. over -5 C) C) (Ambient temp.0 C 25.0 u C C-18.0 u Leaving water temp.0 C-48.0 C 30.0 u u 7.0 v C 2.0 C 5.Unit control and operation Datasheet Air cooled-scroll hermetic chiller/heat pump YCAB-B Table 5.0 240min.0 u 40.0 C-5.0 u 4. In winter Returning water temp.0 C 600-3600s 600-3600s 90-600s 0-60s 300-1800s u (ambient temp.0 C 0.0 C-20.0 C-15.0 C 1.0 u 40. 0-480min. required to stop the 10. In winter Cooling option in auto mode Leaving water temp.0 45.0 C-48.0 C-7.0 C-55.0 C -20 C-18. 0 40~65 33 .0 ~5.0 ~5.0bar 3.5bar 25.0bar 3.0 50.0 60.0-20.0bar 1.0bar 22.0 ~10.0 t t -0.0 1-8 2-3 -20~10 t 3.0bar 9.0bar 1.0 t t t -20.0bar 3.0bar 0.0-6.0-9.0bar 1.0 -0.0 2 3 55.5bar 6 t t Setting range 10-250s 60-999s 0-30s 3-30s 7.0-4.0bar 1.Unit control and operation Air cooled-scroll hermetic chiller/heat pump YCAB-B Category Temperature control cycle Time interval between compressor star-up Solenoid valve control delay for liquid line Alarm delay when flow switch triggers Condensation pressure setup for starting fan Evaporation pressure setup for starting fan Pressure setup for different air flow Pressure setup for control range High condensation pressure alarm Low pressure alarm point for cooling Low pressure alarm point for heating Low evaporation temp alarm Stop alarm for low evaporation temp High condensation temp alarm Returning water sensor compensation setting Leaving water sensor compensation setting Number of combination modules Number of unit compressors Low leaving water temp alarm point High leaving water temp alarm point Default value 80s 180s 10s 10s 10.0 +5.0 ~80.0-30.0bar -20~10 t t t t t t -1.0 +5.0-3.0bar 1.0-4. contact information and so on. Returning water temp. Real time indication of Leaving / Returning water temperatures. environment temp and load capacity Press cursor key to enter “function” menu FUNCTION MENU Use or key to select the item.COM Main menu 1 LCWT : 8. Press MENU key to come back to function selection interface. DISPLAY FAULT Interface A-1 MODULE STATUS I/O NUMBER: 2 Interface A-2 y This is the initial interface to indicate module grouping. Press MENU key page. fin temp. FUNCTION MENU FUNCTION MENU indicates system status and functions.8 SETPOINT: 12. Press cursor key to enter main menu x x HTTP: WWW. Leaving water temp. DO and DIN status of each unit.8 SETPOINT: 7.Unit control and operation Interface description Initial interface YOK INTERNATIONAL Central Control System YORK GUANGZHOU Air cooled-scroll hermetic chiller/heat pump YCAB-B System is started and enter initial interface to indicate manufacturer. Selected items will be in DISPLAY SYSTEM STATUS white.8 LOAD: 25. Indicate system status—Real time indication of system communication. D0 and DI definition. Press MENU key to return to main menu 1. This interface indicates system communication. x x COMMUNICATION STATUS ONLINE MODULE: 2 1: ON 2:ON 3: OFF 4: OFF 5:OFF 6 OFF 7:OFF 8: OFF Interface A-3 1# DO STATUS 1:ON 2: OFF 5:OFF 6 OFF 9:OFF 10 OFF This interface indicates 1# module DO status. Press key to go back to last page and press key to go to next page.0 C ENVT: 38. x 3:OFF 7:OFF 11:OFF 4: OFF 8: OFF 12: OFF to go back to function selection menu. DISPLAY FAULT A. Press MENU to go back to function selection interface. At each unit. Press 34 y x y x key to go to next . Press cursor key to enter next page. Press DISPLAY SYSTEM STATUS ENTER key to confirm. compressor. Press “Enter” key to confirm and enter corresponding UPDATE SETPOINT function. Use or key to go to different pages UPDATE SETPOINT for indication of corresponding status.0% Function selection (main menu) u u u u u First line in the display indicates current date and time.YORK. and accumulative running time for water pump. their settings.0 C ECWT: 11. Press MENU key to come back to function selection interface.3 5 EXT TEMP 30. Press MENU key to come back to function selection interface. Press key to go back to last page and press key to go to next page. Press key to go back to to come back to function selection interface. Press key to go to next This interface indicates tested value of 1# module AIN.3 4 FIN –5.5BAR 8 LP 1. This interface indicates DO definition. Press key to go back to last page and press y key to DO DEFINITION 1:PUMP 2:1# COND FAN 3: 2# COND FAN 4:1# COM 5:2# COM 6:3# COM Interface A-8 DO DEFINITION 7:4-WAY VALVE 9: HEATER 11:RUN Interface A-9 DI DEFINITION 2:EXTERIOR CHAIN 4:HP PROTECT 6: POWER FAILURE Interface A-10 8: 2# COMP O/L 9:3# COMP O/L 10:LP PROTECT: CO 11: H/C SWITCH (1#) 12: REMOTE CONTROL (1#MODULE) Interface A-11 ID: 966661961 EDITION: YCAB-V10. Press MENU key to come back to function selection interface. x MENU key to enter function selection menu. Press MENU key to come back to function selection interface. x 35 .2 7 HP 7. press key to go to next page. This interface indicates DI definition. This interface indicates unit serial number and software version. Press key to go This interface indicates accumulative running time of each go to next page. Press to next page. x x x last page and press key to go to next page. Press MENU key to come back to function selection interface. Press key to go back to key to go to next page. Press MENU key page.7BAR Interface A-6 ALL RUNNING TIME (HOUR) 1:0000H 2:0000H 3:0000H 4:0000H ALL RUNNING TIME OF PUMP:0000H Interface A-7 last page and press x t t t Air cooled-scroll hermetic chiller/heat pump YCAB-B This interface indicates 1# module DIN status. Press MENU key This interface indicates DI definition.0T 1:WFS 3: FAN O/L 5: LP PROTECTION: COM 7:1# COM O/L 13:3# COND FAN 8:LIQUID VALVE 10: FAN1 REV 12: ALARM This interface indicates DO definition. x module. Press key to go back to last page and press key to go to next page.Unit control and operation Interface A-4 1# DIN STATUS 1: ON 2: ON 5: ON 6 ON 9: ON 10 ON Interface A-5 1# MODULE AIN 1 EVA/COND TEMP 30. x y y y y 3: ON 7: ON 11: ON 4: ON 8: ON 12: ON to go back to function selection menu. Holiday or week day settings do not work either. switch between heating and cooling. auto timer ON/OFF. manual start or stop key still works. Press ENTER key to confirm. x y 36 . time interval. control basis. weekday setup. the system cannot turn on or of automatically. control selection. then press ENTER key to confirm. Press ENTER key to enter SERVICE SETTINGS related sub-function setup. For change to the settings in current interfaces. screen will be indicated in white. switch. (6) Press MENU key to come back to FUNCTION MENU interface. or y x y x y text (d) password usage interface.Unit control and operation Air cooled-scroll hermetic chiller/heat pump YCAB-B B. FUNCTION MENU DISPLAY SYSTEM STATUS UPDATE SETPOINT DISPLAY FAULT Interface B-1 Function selection interface offers change to system settings. Press ENTER key to enter the data. working conditions in summer and winter. ON time OFF time does not work. UPDATE SETPOINT This is the dub-interface for change to system settings. { z key to change the value of the data. travel range. When auto ON/OFF is selected. UPDATE SETPOINT CUSTOMER SETTING SERVICE SETTINGS FACTORY SETTINGS Select in FUNCTION MENU the interface for UPDATE SETPOINT. If operation password is required (password: 4653) please refer to following down to relevant interfaces for setting changes. Interface B-a-1 RUNNING MODE SET TURN ON TIME: 7:30 TURN OFF TIME: 15:00 MODE: AUTO RUNNING BY TIME Procedure to change running mode for the unit: auto ON/OFF-MANUAL OFF/ON. Use x or key to move the white area to different digit position for (4)Press ENTER key to confirm the change (5)Press key to go back to last page and press key to go to next page. ON/OFF time setup refers to the working mode setup: auto ON/OFF time. current time. In this case.Manual ON and auto OFF-auto OFF-Manual OFF-auto ON/FF When manual ON/OFF running mode is selected. running time. Change system data—set up unit condition. trouble alarm and password usage. In this case. Press or key to go up and (2) Press or key to move the white area to the desired data. then setup priorities are: holiday setting.weekday running time setting-daily auto ON/OFF time. Control system offers protection when power is off so that all the data settings are safe. Selected CUSTOMER SETTING items will be in white background. (3) Press change. FACTORY SETTINGS (a) Change to user settings—change unit running mode. following is the procedure: (1) Press ENTER key. 0-5. this means such setting is not initialized. there are two days off each week.0 t t t ECWT: 12.0~40.0 DT 2 : Temperature difference to load/unload:1.0 .0 . COOL Auto heating temperature range:10. that is.0 t t DT 1. Temp range for leaving temp when heating :40.0~30. Interface B-a-8 LCWT:45. control system allows for 3 sets of holiday running settings ON time: Jan 1 0:00 OFF time: Jan 1 0:00 Control system allows for changes to 2 sets of weekday running time.0 t When auto ON/OFF mode is selected in the interface B-a-1.0 t t DT 2 Returning water temp range: 35.Unit control and operation Air cooled-scroll hermetic chiller/heat pump YCAB-B Interface B-a-2 HOLIDAY RUNNING SET1 TURN ON TIME: JAN 1 8:30 TURN OFF TIME: JAN 1 12:00 Interface B-a-3 HOLIDAY RUNNING SET2 TURN ON TIME: JAN 1 8:30 TURN OFF TIME: JAN 1 12:00 Interface B-a-4 HOLIDAY RUNNING SET3 TURN ON TIME: JAN 1 8:30 TURN OFF TIME: JAN 1 12:00 Interface B-a-5 WEEK RUNNING SET1 TURN ON TIME: JAN 1 8:30 TURN OFF TIME: JAN 1 12:00 Interface B-a-6 WEEK RUNNING SET2 TURN ON TIME: JAN 1 8:30 TURN OFF TIME: JAN 1 12:00 Interface B-a-7 LCWT:12.0 DT 1.0~12. system will operate according to this time settings If ON time and OFF time are both 0:00.0~45.0 Returning water tem range: 7. Once initialized.0 t WINTER HEAT MODE SET.0-5. press enter to force to cooling.0 t SUMMER COOL MODE SET: Temp range for leaving temp when cooling: 5.0 37 t t t t ECWT: 40.0~50.0~17. HEAT . Auto cooling temperature range:20.0 t Interface B-a-9 COOLING/HEATING MODE SWITCH: AUTO COOLING/HEATING MODE TEMP SWITCH: > 25.0 t t Switch between cooling/heating: cooling-heating-auto-manual (when “single cooling” model is selected.0 Temperature difference to load/unload :1.0 t < 20. 2001 THU TIME: 08:50 Air cooled-scroll hermetic chiller/heat pump YCAB-B This interface indicates the telephone number for alarm. following is the procedure: (1) Press ENTER key.Unit control and operation Interface B-a-10 ALARM PHONE No. alarm time and so on.0 . then system will choose top and bottom limits as final settings.0 38 t t LCWT<35. *Note: If customer settings are out of the range given by the control system.0 t x y Control base is the selection of circulation switch: returning water –leaving water –returning water Interface B-b-3 HEATER SET: t LCWT>40. Press or key to go up and down to relevant (2) Press or key to move the white area to the desired data. alarm delay duration.0~5. Use x or key to move the white area to different digit position for (4)Press ENTER key to confirm the change (5)Press key to go back to last page and press key to go to next page. If operation password is required. please refer to following text (d) password interfaces for setting changes. It can be land phone or auto pager. (b) Change to server settings: change and set up control selection.0 . For change to the settings in current interfaces. UPDATE SETPOINT CUSTOMER SETTING SERVICE SETTINGS FACTORY SETTINGS Select in FUNCTION MENU the interface for UPDATE SETPOINT. screen will be indicated in white. Press ENTER key to enter the data. .0 OFF Temperature range setup for switching off electrical heater: t 30.0-48.: Interface B-a-11 CURRENT DATE SET DATE: AUG 21. t WINTER FREEZE PREVENTION: Temp range for compressor start: 1.0 COMP OFF Running temperature for electrical heater is controlled based on ON leaving water temperature. t COMP ON Temp range for compressor stop: 5. (3) Press change.0 . then press ENTER key to confirm. { z key to change the value of the data.0 t LCWT>10. Interface B-b-1 SUMMER CONTROL SELECT: LW WINTER CONTROL SELECT: LW Interface B-b-2 LCWT<2. Setup range: 25. (6) Press MENU key to come back to FUNCTION MENU interface.0-48. or y x y x y usage interface.0~15. 0bar Pressure difference range: 1. FAN&4 WAY-VAL RUN DELAY TIME: 50S Interface B-b-7 DEFROST LATENCY TIME: 1200S OIL WARM-UP TIME: 200MIN Interface B-b-8 TEMP CONTROL CYC SET: 10S COMP RESTART-UP DELAY: 180S LAST RUN TIME BEFORE STOP BY TEMP CONTROL: 30S LIQUID VALVE DELAY: 10 SEC WFS ALARM DELAY: 10 SEC Interface B-b-9 COND PRESSURE: 10.0 Interface B-b-12 Interface B-b-13 t t t After defrost.0 t START DEFROSTING Temp to start defrost: 5.0bar Evaporation pressure setup for starting fan range: 3.0bar Cooling alarm pressure range: 1. Range: 0-60s Defrost latency time: 300-1800s Warm up time setting for compressor oil: 0-600min.Unit control and operation Interface B-b-4 SURROUND FIN TEMP> 5.0 t 1200S Environment temp lower –5.0 1800S t STOP DEFROSTING: FIN TEMP> 20.0~10.0BAR EVA PRESSURE: 9.valv start delay time.0-20.0 Low evaporation alarm temp range:-20.0-20. can t Temp to stop defrost: 0.0bar Heating alarm pressure range: 0.0 Low leaving water temp alarm range: -20~10 t t HIGH COND ALARM TEMP: 65 High condensation temp alarm range: 50~80 t Stop alarm for low evaporation temp range:-20.0BAR HEAT ALARM SET: 1.0 600-3600s 600-3600s .0 Temp control cycle: 10-250s Compressor restart interval range: 60-999s Liquid line solenoid valve control delay range: 0-30s Water flow switch trigger alarm delay range: 3-30s Condensation pressure setup for starting fan range: 7.0 –4.0bar Wind press segment range: 1.0 .0-6. WHEN SURROUNDING TEMP LOWER 10.0BAR WIND PRESS SEGMENT: 2.0-10.0 t t t Air cooled-scroll hermetic chiller/heat pump YCAB-B LONGEST TIME LIMIT: 300S Longest defrost time range: 90-600s defrost program work t Note: only when environment temp is lower than 7 Interface B-b-6 AFTER DEFROSTING. fan&4 way.0-30.5BAR Interface B-b-11 EVA ALARM OFF TEMP:6.0 –3.0-50.0 t t LOW EVA ALARM TEMP:-10.0 BAR PRESS DIFFERENCE: 2.0bar 39 t t DT: 4.0BAR Interface B-b-10 HIGH COND ALARM: 25.0 t SURROUNDING> –5.0 BAR COOL ALARM SET: 3.0-4.0bar High condensing alarm pressure range: 22.0 Shortest defrost time interval range Environment temp higher –5.0 Interface B-b-5 SHORTEST INTERVAL SET SURROUNDING< –5.0 Difference temp range: 0~10 t t SYS LCW TEMP TOO HIGH: 55 High leaving water temp alarm range: 40~65 t SYS LCW TEMP TOO LOW: 3.0~9. Press ENTER key to enter the data. Use x or key to move the white area to different digit position for (4) Press ENTER key to confirm the change (5) Press key to go back to last page and press key to go to next page. “Confirm as defaults” means system will adopt factory settings as configuration.0 Interface B-c-2 CLEAR ALL VARIABLES: PASSWORD USING: YES MEMORY WHEN POWER DOWN: NO Note: ”Clear all variables” means clear off accumulative running time for compressor and water pump. control system may malfunction. { z key to change the value of the data. total of compressor running time and so on.0 returning water sensor temp compensation range: -5.Unit control and operation Air cooled-scroll hermetic chiller/heat pump YCAB-B (c) Change manufacturer settings—clear. or y x y x y usage interface. If operation password is required. Customers do not try to change them. Interface B-c-1 LCWT SENSOR MODIFY: 0.0 t t ECWT SENSOR MODIFY: 0.0-+5.0-+5. following is the procedure: (1) Press ENTER key. please refer to following text (d) password usage interface Interface B-c-3 LIMIT RUN TIME PROTECT: NO LIMIT RUN TIME: 800H FACTORY PASSWORDS: 8836 CUSTOMER NO: 10 Interface B-c-4 CLEAR ALARM: NO UNIT NUMBER: 2 BACKLIGHT OFF DELAY: 30MIN Interface B-c-5 MODULE SELECT: SINGLE COOLING MODULE NUMBER: 2 MODULE COM NUM: 3 Interface B-c-6 t t x y NO Setting circulation switch: Yes-No (No-Yes) RESTORE DEFAULT VALUE: NO TEMPERATURE UNIT: LANGUAGE: ENGLISH * PLEASE RETURN THEN POWER ON 40 t leaving water sensor temp compensation range: -5. UPDATE SETPOINT CUSTOMER SETTING SERVICE SETTINGS FACTORY SETTINGS Select in FUNCTION MENU the interface for UPDATE SETPOINT. (6) Press MENU key to come back to FUNCTION MENU interface. screen will be indicated in white. please refer to following text (d) password interfaces for setting changes. Note: These data are factory set up. Press or key to go up and down to relevant (2) Press or key to move the white area to the desired data. For change to the settings in current interfaces. If so doing. then press ENTER key to confirm. (3) Press change. reset data. For “Password usage”. password use.0 . server password and manufacturer password. Each password is a four-digit number.Trouble information-To inquiry on start date and time and end date and time for trouble. Procedure is the same as above. Interface B-d-1 CUSTOMER PASSWORD: 0000 This interface is for user to change the password for press Interface B-d-2 INVALID PASSWORDS! Interface B-d-3 SERVICE PASSWORDS 0000 Interface B-d-5 FACTORY PASSWORDS: 0000 This is the encrypted interface to change FACTORY SETTINGS. Press or key to change the value in white. This is the encrypted interface to change SERVICE SETTINGS. Press any key to enter the interface “change user password” (B-a-1) z confirm the entry (user password is 4653) c. COMP FAULT WITH NO.Unit control and operation Air cooled-scroll hermetic chiller/heat pump YCAB-B (d) Password usage interface-change system setup to receive usage of password for access verification. Press ENTER key to confirm. .1 In the FUNCTION MENU interface. Trouble description:1# compressor overload. DISPLAY FAULT. Internal PIN numbers adopted to the unit includes user password. FUNCTION MENU DISPLAY SYSTEM STATUS UPDATE SETPOINT DISPLAY FAULT Interface C-1 (Example for trouble) 9/9 14:09 This screen indicates that the first trouble happened on Sep 9. trouble location. trouble description and so on. x y Press or 41 { or to move the white area. Such inquiry function memorizes only the last 100 records in order of occurrence. Trouble started at 14:09. this interface will pop up. Press ENTER key to key to page up and down to specific trouble page. x y sub-function. If correct password is entered. In this case. in the main menu. DEFROSTING SETTING MODULE: 1 DEFROSTING 10 MINUTES Press “Confirm” key to select the module desired for defrosting and defrosting time. FORCES TURN ON/OFF MODULE: 1 Press “confirm” key to select the module desired for forced turn off and confirm. D-1-2 In forced ON mode. Time will be accumulated till such a time that when customers start the unit.Unit control and operation Air cooled-scroll hermetic chiller/heat pump YCAB-B If this unit needs to be restarted after the trouble is fixed. D. Role of functional keys D-1 Forced turn ON or OFF the unit D-1-1 In OFF mode. press “FUNCTION” key to complete forced turn off. 42 . contact manufacturer to change the settings for accumulative running timeout before unit can be started. press “FUNCTION” key to complete forced startup FORCES TURN ON/OFF MODULE: 1 Press “confirm” key to select the module desired for forced start and confirm. press “FUNCTION” key two times to enter the interface for manual defrosting setup. press twice “return” to finish reset and restart. FORCES TURN ON/OFF MODULE: 1 Press “confirm” key to select the module desired for forced turn off and confirm. start push button does not work. press “FUNCTION” key to complete forced turn off. D-1-3 In ON mode. D-2 Manual defrosting D-2-1 In heating mode. in the main menu. Interface E: Accumulative running timeout protection interface -----WARNING INFORMATION-----OVERRUN PROTECTION PLEASE CONTACT MANUFACTURER! This screen is designated to set up protection to running timeout. Conditions to end defrosting are the same as those for automatic defrosting. ** Specific features of the products can be agreed on in the contract.. This brochure is only for reference. * York reserves rights to modify the design of product without prior notice. Ltd. Ltd. Tel:( 0510)5216966 Fax: (0510)5217113 43 . *** Thank you for using York products.. If you have any questions during usage. Ltd.York Guangzhou Air-conditioner and Refrigeration Equipment Co. please at any time call our toll free number: 8008206607 Headquarter of York North Asia Tel: 00852 23319286 Fax: 00852 23319840 York China Refrigeration Project Engineering Center Tel: (021)62766509 Fax: (021)62773543/3986 Shanghai office/service center Tel: (021)62766509 Fax: (021) 62773543/0608 Nan jing office Tel: (025) 84799857 Fax: (025)84799624 Hefei office Tel: (0551) 2680917/918/919/920 Fax: (0551)2680915 Xiamen office/service center Tel: (0592)2397977/6 Fax: (0592)2399996/5967 Suzhou office Tel: (0512)65119076 Fax: (0512)65115575 Hangzhou office/service center Tel: (0571)87797796/051 Fax: (0571)87797048/053 Nan chang office Tel: (0791)6495565 Fax: (0791)6495515 Fuzhou office Tel: (0591)8783108 Fax: (0591)8788389 Guangzhou office/service center Tel: (020)83635222(564) Fax: (020) 83635828/567 Chang sha office Tel: (0731)4421838 Fax: (0731)4447868 Shan tou office Tel: (0754)8469358(658) Fax: (0754)8468362 Dongguan office Tel: (0769)2496018(28/38/48) Fax: (0769)2494068 Shenzhen office/service station Tel: (0755)82292868 Fax: (0755)82181527 Nan Ning office Tel: (0771)5329894(791) Fax: (0771)5330154 Hai kou office Tel: (0898)66786881 Fax: (0898)66706880 Guiyang office Tel: (0851)6791833/6791133 Fax: (0851)6791933 Kunming Office Tel: (0871)5653273(74) Fax (0871)5653285 Wuhan office Tel: (027)85725031(32) FAX: (027)85725038 Chengdu office/service center Tel: (028)86527070 Fax: (028)86527279 Chongqing office Tel: (023)63801828(38/48) Fax: (023)63801858 Zheng Zhou office Tel: (0371)5615674/75 Fax: (0371)5600295 Beijing office/service center Tel:( 010)65545580 Tel: (010)65545560/61/62/63 Dalian office Tel: (0411)83787291(92) Fax: (0411)83787293 Ji nan office Tel: (0531)3185555 Fax: (0531)3185500 Xi’an office Tel: (029)87887838/87811245 Fax: (029) 87883430 Harbin office Tel: (0451)82311092(93) Fax: (0451)82314038 Tianjin office Tel: (022) 26264070 Fax (022)26213052 Qing dao Office Tel: (0532)5759274/294/248 Fax: (0532)5777641 Shenyang office Tel: (024) 23286160 Fax:(024)23866150 Xin jiang office Tel: (0991)2824882 Fax: (0991)2834186 Lan Zhou office Tel: (0931)8448430(31) Fax: (0931)8448432 Changchun office Tel: (0431) 8400233 Fax: (0431) 8400237 York Guangzhou Air-conditioner and Refrigeration Equipment Co.. Tel: (0763) 4681111 Fax: (0763)4681114 York Wuxi Air-conditioner and Refrigeration Equipment Co. 44 .

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