10213000702

tau8÷38 kW Air/water high efficiency reversible heat pumps 2 Technical Book Tau contents Noise levels Overall dimensions. clearance areas and hydraulic connections Installation guidelines 90 92 94 95 97 99 100 109 Tau Technical features Basic version general technical data Basic version general electrical data Basic version cooling capacity Basic version heating capacity 3 . weights. SIMPLE AND FAST INSTALLATION The installation is fast and easy.high efficiency air/water heat pumps The TAU series air/ water heat pumps has been designed to meet the heating and air-conditioning needs of medium and small users. LOW NOISE LEVELS The low noise level of this unit (only 61 dBA medium noise power). for both residential and commercial use. ensuring an optimal operation of the unit and minimum noise levels. The controllers regulate the fan speed depending on the system charge and external temperature. mperatura te . featuring high energy efficiency even under critical external condition.15°C esterna mperatura te + 46°C esterna FAN SPEED CONTROL The units have fan speed controllers fitted as standard. There are ten sizes available.TAU . suited for installation in residential buildings. it can operate with external temperatures between: Heating Cooling TAU series is the result of an accurate design. OPTIMIZED FOR HEATING The TAU series heat pumps has been specially designed to operate in winter season. TOTAL RELIABILITY WIDE OPERATING RANGE The TAU unit has the widest operating range. requiring only the connection to the electrical and hydraulic supply line. The aesthetic impact and the overall dimension are reduced to minimum. careful selection of materials and components.. extended and stringent lab tests. DIMENSIONS The Tau units are compact. 4 Technical Book Tau . the units have been made using advanced construction techniques and they have been subject to numerous testings prior to shipment. makes it ideal for residential use. ensuring optimal efficiency and the highest reliability and safety even under extremely critical external conditions. 5°C T > 100 sec T < 100 sec T < 200 sec BASSO CARICO TERMICO FUNZIONAMENTO CON REGOLAZIONE AUTO . 8°C ON ON ON 7.5°C 6°C OFF OFF OFF OFF OFF 5. This significantly simplifies the installation operation and allows better management of the available space. Therefore. This system allows the electronic control of circulator water flow. discharge valve. Moreover. it has already undergone numerous testings and therefore. All the system control parameters are self-adjusted continuously. The accessory is supplied integrated into the unit. 5 . CONTR O VARIABLE-SPEED CIRCULATOR L OW FL The TAU units equipped with circulator can be ordered with water flow electronic control. safety valve. HYDRAULIC MODULE “ALL IN ONE” The unit can be supplied complete with hydraulic module: three-speed circulator or pump. This way. the design choices have been made in order to ensure maximum efficiency and energy savings: HIGH COP VALUES The constructive features of these units allow maximum exploitation of thermal exchange and the achievement of Cop values among the highest in its category. The hydraulic module can be integrated into the unit (version with storage tank is also available) without affecting its overall dimension.high energy performance The TAU units have been designed to operate in continuous mode. depending on the refrigerant gas pressures and plant water delivery temperature. any critical situations that may arise when the temperatures of the water inside the plant or external air are too high or too low. therefore. A EUROVENT EFFICIENCY CLASS RADIANT PANELS COP > 4. the product has the advantage of being functional and reliable.5°C An innovative software ensures unit control management. This intelligent control system reduces the compressor starts (to guarantee their duration in time) when the plant has low water content. which reduces the process duration to minimum in relation with the unit total operation time. High energy efficiency results in greater respect for the environment and significant cost savings. an under-cooler connected to the condensing coil base ensures complete defrosting. it is essential to take into consideration the operation costs. expansion vessel.ADATTABILE ADDITIONAL HEATING ELEMENT The units can be equipped with an additional heating element which can be integrated into the heating phase. is ready to use. for most days of the year.05 OPTIMIZED DEFROSTING CYCLE Defrosting is provided by an exclusive system. SELF-ADJUSTING CONTROL ON 9°C ON 8.5°C 7°C 6. according to plant needs.ADATTABILE FUNZIONAMENTO SENZA REGOLAZIONE AUTO . In fact. there is no need to provide further space for external modules and any additional installation costs are saved. THERMOSTATIC VALVE WITH ELECTRONIC CONTROL The TAU units can be equipped with electronic control thermostatic valve to enhance the unit efficiency and allow important energy savings. - Alarm signals. high and low pressure controllers and safety valve (except for sizes 8. which ensures high weather resistance. • Compressor remote switches. - Remote summer/winter mode switch digital input. check valves. pressure transducer. solenoid valves on fluid line. dehydrating filter. COMPRESSOR Hermetic scroll type compressor. IP 54 degree of protection. • Regulator of fan turns for condensate control. ELECTRICAL PANEL The electrical panel consists of: • Automatic disconnect switch for the main and auxiliary power circuits (sizes 8 and 12). 12). - Hour counter for compressor and pump operation. - Control of high pressure pre-alarm (to avoid in many cases the unit blockage). STRUCTURE Made in galvanised steel sheet and painted at 180 °C with RAL 7035 polyester powder. The heat exchanger is fitted with temperature probe for antifreeze protection and vane operated flow switch supplied as standard. 6 Technical Book Tau .TECHNICAL FEATURES TAU High efficiency air/water heat pumps with axial fans. The heat exchanger has an under-cooler connected to the base. - Self-adjusting control to provide proper operation when the plant water content is low. COOLING CIRCUIT Comprises: feeding plug on fluid and suction line. The finned coil pack is protected by a metal mesh. complete with thermal protection inside the electric engine. 400V/3N~/50Hz for sizes from 12 to 34. for complete defrosting. • Display of: - Outgoing water temperature. - Alarm description. • Microprocessor to control the following functions: - Control of ingoing water temperature. • General alarm dry contacts. - Summer/winter mode switch enablement. USER SIDE HEAT EXCHANGER Plate type heat exchanger in AISI 316 stainless steel covered with closed-cell foam. • Main disconnect switch and fuses for main and auxiliary power circuit protection (sizes from 16 to 34). of high efficiency.ST1PS). - External ON-OFF digital input. thermostatic expansion valve with pressure external equilizing. • Electric power supply 230V/1~/50Hz for sizes 8 and 10. - Compressor operation timers. The panels can easily be removed to provide full access to internal parts. FANS Helical fans coupled directly to the 6-pole electric motor with external rotor. versions ST1P . 10. an antifreeze resistance conveys the condensate water flow to the discharge outlet. - Alarm reset. fluid sight glass. Each fan has shaped nozzles and is fitted with protection grille in compliance with UNI EN 294. - Automatic defrosting. SOURCE SIDE HEAT EXCHANGER The condenser is composed of an aluminium-finned copper-tube multi-row coil. liquid accumulator. suction separator (sizes from 23 to 34). crankcase heater and rubber anti-vibration mounts. - Anti-freeze protection. • Pump relay and remote disconnect switch (sizes from 16 to 34. - Condensation temperature. 4-way inversion valve. - Currently set temperature and differential. the unit comprises: • heat exchanger for the production of domestic hot water • temperature probe for the domestic water storage tank • 2-flow thermostatic valve with electronic control (replaces the two mechanical control thermostatic valves) • programmable microprocessor control (replaces the parameter control) • domestic side pump (supplied as kit) Tau • TAU /ST 1PS: UNIT WITH PUMP AND TANK In addition to the /ST 1P version components. The summer operation consists of 3 modes: 1. to meet the building heating or air-cooling needs. The use of external hot air as a heat source ensures that extremely high COP are reached. safety valve calibrated at 6 bar. value corresponding to the maximum allowed operation pressure. TESTING The units are factory-tested and supplied complete with oil and refrigerant. the unit has an insulated storage tank. expansion vessel. HYDRAULIC SYSTEM OPTIONS • TAU /ST 1P: UNIT WITH PUMP The unit consists of one circulator (sizes from 8 to 20) or a circulation pump (sizes from 23 to 34). the unit can be complete with a series of accessories. 2. 7 . depending on the season: the operation mode is switched automatically (within the season). • Compressor overtemperature protection. 12). Switching from mode 1 to mode 2 and viceversa is fully automatic. The capacity recovered for the production of domestic hot water can be total or partial. depending on the temperature probe reading and set point values. 3. depending on the necessity of the storage tank. In addition to the basic version components. • Low pressure controller (with limited trip automatic reset). Heat pump mode for heating: the unit provides the heating of water in the plant until it reaches the set temperature 2. using the finned coil as an evaporator. The unit operates in various modes. The heat exchanger on the plant side is able to produce both hot and chilled water. which activates the anti-freeze alarm (with limited trip automatic reset). The heat exchanger on the domestic hot water side produces water of high temperature to be conveyed to the machine external storage tank. in order to ensure maximum reliability and efficiency of the system. • High pressure safety valve (except for sizes 8. • Condensation pressure control by means of operation speed controller with low external temperatures. hydraulic circuit water discharge valve. • Anti-freeze probe on evaporator outlet. following a logic of priority to produce domestic hot water. 10. Production of domestic hot water only when there is no cooling load. the unit provides the heating of the water inside the storage tank for domestic use (outside the unit). For a complete list of accessories please refer to the price list. Production of domestic hot water and chiller mode simultaneously: the unit produces cooled water for the system and domestic hot water at the same time. Heat pump mode for the production of domestic hot water: the unit provides the heating of the water inside the domestic water storage tank at high temperature. Switching time and logic are properly devised. ACCESSORIES Beside the basic version components and various outfits. The winter operation consists of 2 modes:: 1. depending on the season. • Vane actuated mechanical flow switch (supplied as standard). Chiller: the unit provides the production of cooled water for the system. • Manual reset high pressure controller. /HWS VERSION: multifunctional heat pump This version is equipped with two heat exchangers: one on the plant side and the other on domestic hot water side.CONTROL AND SAFETY DEVICES • User water temperature control probe (on evaporator inlet). 89 5.3 5. External air temperature 7°C BS.1 2. ingoing/outgoing water temperature 12/7℃.2 6.0 9.00 3.33 COP (3) Heating capacity (W 45℃) (5) kW 6.6 5.9 8.4 22.7 19.9 14.6 12.46 3.34 3.7 2. 6°C BU. External air temperature 35°C.5 23.6 32. even partial.13 3. 8 .2 12.89 3.91 4.29 4.57 3.5 6.2 16.0 29.9 6. ingoing/outgoing water temperature 23/18℃.5 3.22 3.00 Absorbed power EER (4) Compressor Quantity/Cooling circuits Capacity steps Fans User side heat exchanger Water flow (1) l/h 1190 1524 1912 2554 2817 3322 3792 4131 4753 5586 Pressure drop (1) kPa 4 3 5 39 27 33 34 29 33 32 Pump head rating (6) kPa 52 49 43 46 47 45 143 141 138 91 Storage tank capacity (6) l 40 40 40 70 70 70 110 110 140 140 Noise power level (7) dB(A) 63 65 66 68 70 70 72 73 74 75 Noise pressure level (8) dB(A) 32 34 35 37 39 39 41 42 42 43 Hydraulic module Noise levels (1) (2) (3) (4) (5) (6) (7) (8) External air temperature 35°C.08 3. Ingoing/outgoing water temperature 30/35 ℃.32 3.12 4.5 EER (1) Cooling capacity (W 7℃) (4) kW (4).7 (1)(2) kW 2. For ST 1PS version Noise power levels measured according to ISO 3744.24 6.1 4.5 10.45 3.(2) kW 2.5 6.1 24. Ingoing/outgoing water temperature 40/45 ℃.9 11. under nominal operating conditions. is strictly prohibited.39 n°/n° 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 % 0-100 0-100 0-100 0-100 0-100 0-100 0-100 0-100 0-100 0-100 Quantity n° 1 1 1 2 2 2 2 2 2 2 Air flow 3 m /s 1.9 16.20 3.0 19.7 2.1 14.2 2.7 14. 6°C BU.8 5.9 8.16 4.8 21.38 3.9 18.7 3.51 4.6 8.4 5.17 2.81 4.basic version general technical data UNIT SIZE 8 10 12 16 18 20 23 25 29 34 Heating Heating capacity (W 35℃) Absorbed power (3) kW 6.0 27.15 3. according to ISO 3744.3 6.2 7.23 3.37 3.4 3.7 3.99 3. Sound pressure levels measured at 10 metres from the unit in free field under nominal operating conditions.00 5.5 4.(2) kW 2.8 10.5 (5).3 39.5 3.9 8.5 9.23 4.00 2.7 15.5 25.8 24.38 4.0 20.39 4.14 4.0 5.8 8.9 31. The reproduction.02 4.36 3.4 26.4 4.0 5.20 4.08 1.9 17.1 4.20 3.2 32. The values and pictures reported in the document are purely indicative and can be modified by the Manufacturer without any prior notice.4 6.4 7.3 22.4 19.24 3.9 4.3 9.2 3.5 2.48 3.43 Absorbed power COP (5) Cooling Cooling capacity (W 18℃) Absorbed power (1) kW 8.1 2.91 4.1 2.9 4.41 4.19 4.81 3.17 2. For further information refer to the specific documentation.5 (3).6 7. The total capacity is represented by the sum of the power absorbed by compressors and that absorbed by fans External air temperature 7°C BS.08 1.88 2.1 4.(2) kW 1.11 3.9 28.4 4. 350 mm 375 375 505 505 700 mm H W Operating weight 10 kg 88 93 1.basic version general technical data H DR D DF LL L LR Basic and /ST1P version L 8 Length D Depth H Height (1) 12 16 18 20 23 25 29 34 mm 925 925 1.585 kg 8 Length 16 mm /HWS /ST 1PS Versions L 12 1.105 34 1.385 1.750 1.350 102 135 1.105 1.050 172 177 186 269 285 300 410 431 589 598 8 10 12 16 18 20 23 25 29 34 925 1.585 212 233 358 367 23 25 29 34 DR /ST1PS Version L 8 Length D Depth mm LL L H Height W Operating weight mm kg Length D Depth H Height W Operating weight (1) 18 D DF20 925 925 1.850 2.050 W Operating weight (1) kg L L Left side (2) mm Clearance areas 8 10 300 12 16 18 300 20 23 25 300 29 34 300 L R Right side (2) mm 600 600 600 600 DF Front (2) mm 900 900 900 900 DR Back (2) mm 300 300 300 300 (1) The reported weight is only indicative and may be different depending on unit outfit (2) The clearance areas are reported considering as front side the side with the fans 9 .385 151 166 1.850 2.105 1.750 1.350 mm 375 505 505 mm 1.105 1.350 375 375 505 505 1.000 mm (1) /HWS and /HWS /ST 1P versions L LR 10 10 12 16 18 20 23 925 mm 25 29 1.350 D Depth mm 375 505 505 H Height mm 1.350 1. 7 13.0 3.0 9.5 18.5 7.0 62 83 49 65 65 75 104 98 116 123 (37) (50) (29) (39) (39) (45) (63) (59) (70) (74) 3.4 7.5 13.1 4. The reproduction.7 12.4 17.9 9.8 Maximum input current (3) [A] Additional electric resistance (optional) (4) kW POWER SUPPLY Standard power supply Optional power supply (1) (2) (3) (4) (4) 63 84 50 67 67 77 107 101 119 126 (38) (50) (30) (40) (40) (46) (64) (61) (71) (75) 3.5 6.4 Maximum absorbed current (2) A 17.7 20.2 22.6 11.1 11.0 8 10 12 16 18 20 23 25 29 34 Maximum input current (3) [A] Additional electric resistance (optional) (4) [kW] VERSION ST1P OR ST1PS Maximum absorbed power (1) kW 3.0 8 10 12 16 18 20 23 25 29 34 V/ph/Hz 230/1~/50 V/ph/Hz 400/3N~/50 400/3N~/50 230/1~/50 All reported data refer to unit with standard power supply.0 9.0 27. For further information refer to the specific documentation.0 3.1 3.0 6.0 9.7 19.0 3.0 6.0 3.5 6. Electrical power that must be supplied by the mains to power the unit Tripping current of unit internal breakers.3 4.6 14. even partial.7 11. 10 .3 6.3 16.0 6.2 12.0 6. is strictly prohibited.4 26.9 Maximum absorbed current (2) [A] 16.0 6.3 10.6 21.0 9. The value between brackets refers to the unit equipped with soft-starter (optional).0 6.2 28.8 29.0 6.7 8.0 6.7 9.6 8. Maximum input current calculated considering the compressor start and the maximum current absorbed by all other devices. This value is never exceeded and must be used to size the line and its protections (refer to the electric diagram supplied with the unit).7 9.0 6.9 4.basic version general technical data COOLING HEATING +20 60 55 User outgoing water temperature [°C] User outgoing water temperature [°C] +15 +12 +10 +5 0  -5 50 45 40 35 30 25 -10 -15 -10 -5 0 +5 +10 +15 +20 +25 +30 +35 +40 External air temperature [°C] -15 +45 +50 +46 -10 -5 0 +5 +10 +15 +20 +25 +30 +35 +40 External air temperature [°C] TOTAL RECOVERY User outgoing water temperature [°C] 60 55 50 45  40 35 30 The heat exchanger on the user side must have a thermal expansion leap between 3°C and 5°C : the unit can operate within these values only with glycol/ water mixture on the evaporator side BASIC VERSION -10 0 -5 5 10 +15 +18 External air temperature [°C] 8 10 12 16 18 20 23 25 29 34 Maximum absorbed power (1) [kW] 3.4 19.7 6. To be requested when ordering The values and pictures reported in the document are purely indicative and can be modified by the Manufacturer without any prior notice.0 6. 7 5.3 43 Pe 2.7 10.2 6.6 11.3 4.3 11.0 16.9 2.6 13.9 1.6 8.8 15.6 16.1 11.1 2.3 5.3 2.5 17.8 2.2 11.2 2.8 13.9 2.9 2.4 4.5 4.6 10.5 1.2 8.0 2.6 3.7 11.4 9.0 15.2 17.6 2.5 4.8 1.7 3.2 7.0 14.0 2.0 19.6 17.8 8.1 9.3 10.1 8.9 4.6 2.4 2.2 3.6 11.8 7.6 1.7 2.5 10.8 3.5 6.0 15.7 2.6 3.9 11.5 19.8 4.2 9.4 2.2 17.8 12.5 3.7 9.4 15.9 12.7 1.7 4.0 4.0 14.9 9.8 1.8 2.9 2.9 3.5 8.1 4.8 2.0 2.0 2.9 3.7 1.4 10.0 10.4 9.2 3.1 3.7 2.6 1.3 14.5 1.0 3.8 2.4 2.9 14.0 3.8 25 Pe 1.6 8.6 4.7 4.7 3.7 1.7 16.4 5.5 19.2 3.3 7.2 2.5 7.4 2.9 2.3 14.1 15.2 2.1 20.8 4.0 12.3 3.0 6.6 4.0 3.4 3.0 4.6 18.2 3.3 3.0 15.8 14.8 11.5 3.4 2.8 13.2 2.8 8.8 9.6 12.2 2.3 3.7 15.6 17.1 2.4 2.1 7.5 5.3 3.9 12.7 2.4 7.3 2.6 4.7 6.9 2.7 14.9 2.8 1.3 13.5 2.6 10.0 11.9 7.7 3.5 6.2 7.7 14.4 7.0 3.3 8.1 2.8 3.9 9.9 2.5 4.9 3.7 1.9 1.5 14.9 1.9 18.3 10.2 6.2 3.3 10.3 7.8 8.9 2.8 15.2 2.8 4.6 18.5 4.5 16.0 2.6 3.9 13.8 9.4 2.9 17.3 12.3 2.9 4.1 9.5 4.5 4.6 21.1 3.6 8.4 4.6 6.8 2.8 7.9 1.7 3.3 9.3 3.5 4.9 10.4 2.6 2.2 4.1 6.2 2.8 12.6 5.5 11.4 4.6 10.5 2.5 10.4 4.4 17.1 11.0 12.7 2.1 5.7 13.1 4.1 4.5 4.0 4.6 7.2 14.4 2.5 20.6 Pf 5.3 4.5 13.6 4.9 9.6 12.5 3.6 3.9 10.9 16.9 12.4 12.3 16.4 2.9 6.7 1.7 1.2 4.2 10.9 2.1 12.7 8.2 2.4 2.3 2.8 1.3 4.4 6.8 10.6 15.0 8.0 15.4 3.5 8.2 11.4 8.9 2.7 2.8 16.6 1.2 3.1 9.1 13.8 4.1 13.9 7.2 2.0 10.2 21.0 16.6 2.0 2.4 2.5 16.1 7.0 17.0 12.7 4.9 14.8 1.3 3.8 13.5 6.5 6.3 6.2 2.8 2.7 13.7 8.6 2.8 17.9 7.4 2.2 10.3 13.5 2.4 3.2 2.8 11.0 3.4 3.2 9.3 8.3 3.1 40 Pe 2.4 3.0 3.4 2.0 4.2 2.5 8.6 10.7 3.6 4.5 7.9 9.6 4.7 2.2 Pf 5.2 3.5 13.cooling capacity Model 8 10 12 16 18 To [°C] 5 6 7 8 9 10 13 14 15 16 17 18 5 6 7 8 9 10 13 14 15 16 17 18 5 6 7 8 9 10 13 14 15 16 17 18 5 6 7 8 9 10 13 14 15 16 17 18 5 6 7 8 9 10 13 14 15 16 17 18 Pf 6.5 20.4 Pf 6.2 10.5 1.2 2.1 10.4 15.4 3.8 1.5 7.8 9.6 30 EXTERNAL AIR TEMPERATURE [°C] 35 Pe 1.5 19.8 3.1 15.3 3.4 2.5 1.1 2.3 3.3 2.2 4.8 4.2 4.9 8.1 13.0 2.2 6.2 8.4 6.5 15.7 3.2 2.0 2.3 3.9 4.9 1.2 3.9 11.8 7.9 14.7 17.1 2.9 2.9 4.1 8.0 7.8 1.1 3.3 8.2 4.2 3.6 4.4 8.6 4.0 2.4 3.2 14.9 2.9 2.7 8.7 2.1 3.3 2.5 2.3 2.3 2.6 3.6 6.6 3.5 2.2 14.0 3.2 16.3 9.8 6.8 1.0 11.9 3.2 7.8 2.7 2.3 8.0 2.4 2.1 4.0 18.1 7.5 1.1 4.8 1.7 7.4 12.0 2.7 15.7 3.6 9.4 2.7 3.1 13.8 8.3 3.1 11.1 15.2 16.0 14.9 19.8 1.7 3.7 4.4 3.8 Pf 5.4 13.9 2.2 7.5 18.8 3.9 Pf: cooling capacity [kW] Pe: electrical power absorbed by the compressors [kW] To: evaporator outgoing water temperature [°C] 11 .5 12.0 15.9 4.2 11.2 12.2 3.9 1.3 2.4 2.4 18.0 7.6 18.9 6.8 7.9 12.4 11.0 9.6 15.2 2.1 2.6 8.7 15.0 6.7 2.1 2.1 4.3 8.8 1.5 4.4 2.4 2.3 7.4 10.3 3.7 10.0 3.9 1.1 20.1 8.5 3.2 4.7 12.0 4.2 3.9 1.3 10.2 12.2 8.1 2.6 12.6 1.6 7.3 3.6 8.9 9.3 16.8 8.6 5.5 13.0 14.6 6.4 3.0 13.2 13.6 13.9 4.8 9.1 3.4 2.7 3.0 3.7 4.3 14.0 8.7 4.4 2.7 15.5 1.5 12.0 7.2 9.4 7.1 18.7 3.9 16.3 4.0 7.4 15.5 11.7 2.2 10.5 1.6 10.4 14.4 2.1 2.2 13.3 11.3 2.4 2.9 11.5 8.3 2.5 3.4 Pe 1.5 4.5 16.2 4.3 13.7 17.9 2.0 8.2 3.8 6.7 2.6 9.4 3.3 12.3 8.0 19.0 7.6 1.1 17.9 3.4 8.3 2.4 6.5 8.8 7.1 3. 8 5.5 32.1 29.5 24.2 5.5 4.9 30.8 5.2 25.2 5.5 32.5 26.9 8.6 3.9 6.3 4.4 5.2 28.0 24.9 5.2 7.8 4.8 19.2 6.6 31.2 Pf 14.8 5.3 Pf 14.6 30.0 14.5 17.8 18.2 6.7 7.0 5.6 22.4 5.5 5.3 6.8 3.5 5.0 19.9 7.3 4.1 39.4 28.7 6.7 20.4 23.2 7.5 34.1 8.0 30.4 18.4 29.3 6.0 20.0 16.9 24.7 30.1 22.3 8.5 6.2 26.1 37.7 24.5 5.0 6.7 25.7 18.8 18.1 18.9 20.7 4.6 3.0 4.6 6.3 25.2 6.3 21.1 6.3 37.8 7.2 39.5 6.6 15.2 25.3 17.6 28.3 20.9 19.0 6.3 25.6 25.cooling capacity Model 20 23 25 29 34 To [°C] 5 6 7 8 9 10 13 14 15 16 17 18 5 6 7 8 9 10 13 14 15 16 17 18 5 6 7 8 9 10 13 14 15 16 17 18 5 6 7 8 9 10 13 14 15 16 17 18 5 6 7 8 9 10 13 14 15 16 17 18 Pf 17.8 17.8 18.4 24.9 5.4 33.3 6.5 9.5 25 Pe 3.6 20.1 29.2 5.4 4.9 6.3 7.4 6.1 35.9 4.6 23.0 8.2 7.2 21.5 6.5 8.4 5.4 5.9 6.7 31.9 4.7 18.7 9.9 6.5 5.5 6.4 18.8 22.5 9.2 24.0 26.7 3.6 4.1 40.3 18.7 19.4 19.3 29.3 4.9 5.5 6.7 6.0 9.5 25.9 7.3 4.4 25.0 18.9 23.0 16.6 32.1 28.8 5.1 22.2 20.2 29.9 3.2 30.8 6.8 4.6 5.4 33.0 6.4 34.2 17.7 6.2 8.5 7.5 5.2 40.8 19.4 14.2 5.9 7.5 33.3 17.0 5.2 34.2 7.6 6.3 5.8 6.1 6.6 7.2 4.8 21.9 22.1 20.3 20.7 27.3 7.2 36.1 9.6 24.4 Pf 15.5 6.9 19.4 29.9 18.3 9.6 27.4 26.7 29.0 29.2 6.0 4.6 8.2 26.8 6.8 23.4 6.5 6.6 32.0 7.9 6.6 5.3 24.3 34.0 27.6 26.1 7.5 19.4 5.4 6.1 4.4 6.0 7.9 25.4 5.8 22.7 4.7 7.7 3.6 4.2 6.8 31.4 6.6 4.3 26.5 16.8 15.1 5.0 40 Pe 5.5 4.4 7.2 41.5 25.4 30.7 30.1 22.3 6.8 7.0 19.7 16.9 5.9 5.3 20.1 8.9 20.5 22.3 5.6 22.2 22.2 20.2 9.9 31.7 25.3 35.5 18.5 4.6 9.6 20.6 6.1 4.7 4.4 7.7 4.8 4.2 5.7 24.9 31.3 23.5 32.3 19.1 5.4 7.2 20.3 5.6 5.3 34.8 4.3 7.9 19.7 6.3 18.6 7.6 25.5 19.9 5.7 31.3 4.0 9.8 7.1 5.1 4.6 9.0 7.4 5.3 18.4 6.1 6.1 5.2 36.0 7.0 7.4 5.4 44.1 7.0 4.2 4.3 7.7 25.5 21.1 5.0 26.4 28.3 42.1 4.0 24.0 21.8 6.2 26.8 4.7 4.7 5.6 6.5 5.8 6.6 20.4 5.7 16.9 26.4 9.9 19.3 6.5 23.5 25.9 7.8 21.5 18.7 7.0 5.9 27.6 5.9 32.6 5.8 22.4 33.3 23.6 7.8 26.2 19.8 36.4 33.6 27.0 9.6 23.5 4.4 29.0 5.9 24.9 6.7 5.4 6.7 Pe 4.3 5.0 17.8 4.2 41.2 22.8 28.5 28.8 23.9 5.9 5.1 6.2 6.7 28.0 30.6 27.2 5.3 32.2 15.9 6.6 25.5 6.7 5.8 4.7 28.7 8.9 5.3 26.2 34.7 6.7 4.0 26.3 5.6 4.4 35.9 22.0 6.0 6.5 24.8 38.0 24.2 24.1 22.8 5.2 26.2 5.7 27.8 22.7 7.9 5.2 30 EXTERNAL AIR TEMPERATURE [°C] 35 Pe 4.6 6.6 5.8 29.2 5.9 6.3 28.1 28.1 17.5 6.3 7.7 23.2 5.3 5.9 8.8 22.6 23.2 7.2 9.7 24.9 4.9 9.1 24.3 6.7 3.7 4.4 31.4 29.9 18.7 39.8 7.0 19.4 20.7 5.3 8.6 20.5 20.4 21.2 42.6 5.1 22.2 17.1 5.0 16.2 5.8 21.1 31.9 21.5 21.6 6.6 5.3 7.4 26.4 22.5 23.5 20.2 20.3 21.4 4.3 6.3 43.9 35.0 21.0 24.0 5.7 5.9 25.4 5.1 8.9 6.1 23.2 16.2 4.5 17.9 20.1 6.0 24.7 4.2 26.8 32.8 5.6 7.1 9.5 4.0 6.4 21.0 16.9 23.8 7.9 5.1 22.3 35.2 5.2 4.8 6.3 34.5 30.9 19.4 7.9 21.5 16.5 26.1 7.4 8.3 27.9 6.6 8.3 18.5 5.6 4.7 23.0 35.1 15.7 5.5 22.2 38.8 27.8 8.5 6.6 4.2 5.7 17.7 28.0 5.6 27.6 4.6 5.8 .1 23.6 33.7 Pf: cooling capacity [kW] Pe: electrical power absorbed by the compressors [kW] To: evaporator outgoing water temperature [°C] 12 Pf 16.9 6.3 5.8 7.7 17.2 29.7 21.3 27.2 6.9 3.4 28.8 5.3 6.9 27.8 23.1 9.4 4.3 21.3 43 Pe 5.4 17.5 22.8 5.8 6.4 22.5 7.5 6.8 24.5 8.1 18.7 27.2 7.9 8.1 21.8 5.8 37.0 7.9 7.1 8.2 22.0 26.4 19.8 21.4 6.1 23.2 8. 4 9.1 5.0 2.4 * * * 5.0 8.4 2.1 7.1 5.2 12.3 8.1 * * * 11.4 15.7 6.0 2.7 6.4 10.0 8.6 1.5 1.9 11.6 19.0 2.3 7.5 1.0 8.3 1.0 4.4 8.1 11.3 16.7 15.3 11.7 13.9 7.8 9.9 2.1 10.3 6.1 10.4 12.9 1.3 1.9 16.8 7.4 * * * * * * * 3.6 17.0 8.5 2.9 2.0 2.1 * * * * * * * 5.0 15.3 10.3 1.1 10.8 9.4 9.4 15.1 3.1 5.4 10.6 2.1 3.9 2.6 8.heating capacity Model 8 10 12 16 18 Ta [°C] -15 -10 -7 -5 -2 0 2 5 7 10 15 20 -15 -10 -7 -5 -2 0 2 5 7 10 15 20 -15 -10 -7 -5 -2 0 2 5 7 10 15 20 -15 -10 -7 -5 -2 0 2 5 7 10 15 20 -15 -10 -7 -5 -2 0 2 5 7 10 15 20 RH % 90 90 90 80 80 80 80 80 80 70 70 70 90 90 90 80 80 80 80 80 80 70 70 70 90 90 90 80 80 80 80 80 80 70 70 70 90 90 90 80 80 80 80 80 80 70 70 70 90 90 90 80 80 80 80 80 80 70 70 70 CONDENSER INGOING/ OUTGOING WATER TEMPERATURE [°C] 25 30 40 Pt Pe Pt Pe Pt Pe 4.9 9.2 7.3 3.1 4.1 11.3 2.2 3.5 * * * 2.7 2.6 3.8 1.3 2.9 16.1 4.1 9.4 17.7 2.5 2.0 16.9 11.2 3.9 14.0 8.1 3.2 5.6 3.7 2.3 5.6 * * * * * * * 8.5 7.7 2.0 2.8 11.5 1.5 2.1 17.1 3.3 1.5 14.2 12.4 1.0 2.7 2.6 6.3 12.7 14.9 2.2 15.5 1.0 16.7 2.3 6.7 2.1 2.1 2.9 2.7 2.2 13.9 10.2 9.7 1.3 4.7 2.3 2.7 5.7 5.4 4.0 2.9 13.3 2.4 14.5 1.1 3.8 3.6 10.6 2.3 3.8 1.5 6.4 4.2 Pt * * * * * * * 6.3 6.1 3.7 9.0 7.9 1.0 3.5 14.7 3.5 6.0 1.6 8.2 10.9 * * * 11.5 3.7 13.9 1.1 3.5 1.2 19.2 3.7 18.3 1.0 9.0 * * * * * * * 10.3 4.8 13.0 2.4 5.7 15.0 6.3 12.9 1.6 8.4 4.3 3.8 17.9 1.4 4.1 3.3 8.9 11.2 * * * * * * * 3.5 3.6 1.5 1.9 19.7 2.1 2.7 1.8 3.3 1.2 3.1 3.0 4.7 1.3 1.2 3.9 * * * 4.9 6.9 12.0 4.4 9.7 13.4 19.0 6.7 2.6 18.9 3.3 14.1 2.9 6.3 11.1 3.3 8.2 4.1 3.9 11.1 4.3 14.6 8.8 1.6 8.0 18.1 2.2 5.7 7.4 2.9 * * * 2.7 12.9 12.9 1.9 1.1 2.8 1.0 10.9 15.0 9.2 11.2 3.5 3.3 13.6 2.4 1.4 4.0 14.0 4.9 9.9 11.8 15.0 2.9 1.6 20.3 12.2 3.9 6.5 2.3 2.2 12.2 5.8 * * * 2.8 11.3 * * * 8.6 17.9 50 Pe * * * * * * * 2.3 5.2 7.0 8.5 10.9 2.3 2.5 3.0 2.6 15.5 3.5 3.4 5.9 9.1 2.7 2.6 14.6 7.9 * * * 6.1 2.3 * * * * * * * 14.3 2.7 7.0 14.3 2.7 5.3 3.3 6.3 1.4 5.2 8.9 3.8 8.6 3.7 1.3 5.7 3.8 3.4 21.3 Pt: heating capacity [kW] Pe: electrical power absorbed by the compressors [kW] Ta: dry bulb evaporator intake air temperature[°C] RH : evaporator intake air relative humidity [%] 13 .6 8.1 3.0 14.4 19.3 2.9 2.4 17.1 8.9 2.5 1.5 2.8 * * * * * * * 5.0 1.9 7.5 2.3 2.3 10.1 3.7 2.5 1.1 3.8 6.5 1.5 14.7 1.1 2.8 7.4 1.7 5.9 * * * 4.1 3.5 8.2 5.4 4.4 6.7 1.2 10.3 9.1 3.9 16.7 11.8 13.7 1.3 2.4 11.3 10.1 2.5 10.2 13.5 6.9 7.1 5.1 2.9 2.0 10.6 2.2 21.4 1.8 1.7 9.2 5.4 3.9 10.6 3.4 8.3 13.7 5.7 * * * * * * * 14.4 15.2 12.6 3. 6 18.6 25.0 4.7 32.5 20.0 4.7 6.6 5.7 25.5 3.1 8.8 15.1 8.5 4.4 30.3 10.6 5.1 3.2 17.4 26.5 5.7 23.6 27.4 6.2 26.8 14.3 20.9 4.6 18.4 4.9 4.6 23.9 7.3 6.6 32.4 6.9 6.7 26.1 8.6 31.6 5.3 10.0 14.9 24.2 7.2 6.0 12.1 8.0 34.7 21.9 24.3 10.8 33.2 6.3 18.2 * * * 6.5 5.2 13.5 5.4 21.8 19.3 31.8 8.2 * * * * * * * 22.5 34.6 5.5 50 Pe * * * * * * * 6.9 26.6 26.7 5.6 33.7 24.9 4.5 5.7 22.4 20.8 16.2 6.5 4.8 25.9 6.4 22.6 3.2 19.3 4.1 23.7 5.7 23.4 4.4 4.1 7.7 23.4 25.6 39.0 * * * 5.2 6.0 18.2 17.9 4.8 27.7 36.0 * * * 8.2 6.6 12.9 15.4 15.3 19.9 4.4 6.9 * * * * * * * 29.3 23.5 38.8 17.6 20.0 4.3 * * * 23.9 4.0 5.6 21.8 * * * 6.4 17.3 * * * * * * * 7.3 4.8 18.2 6.2 4.3 4.4 4.9 5.2 28.5 15.6 23.0 20.8 5.4 30.1 7.8 4.8 20.2 18.6 19.2 22.8 3.2 4.5 17.5 3.4 6.7 3.7 5.0 29.1 38.5 5.9 4.3 4.7 16.6 19.1 17.1 Pt * * * * * * * 17.1 42.9 18.1 7.6 * * * * * * * 20.5 * * * 14.6 * * * 20.2 21.7 5.0 25.9 4.9 3.8 3.3 19.9 7.9 4.3 4.9 6.9 19.1 32.5 27.6 22.9 22.9 7.7 15.5 33.4 24.6 5.2 * * * 4.8 3.4 23.4 29.3 4.4 26.1 19.9 14.4 29.6 3.4 3.8 4.4 6.7 28.1 24.9 21.6 13.3 23.2 6.5 23.8 4.4 3.3 4.7 16.8 3.8 * * * * * * * 10.4 3.4 6.6 43.1 5.1 21.6 5.8 11.0 41.9 6.5 5.1 6.2 27.9 21.8 4.3 28.9 4.9 14.9 4.9 4.5 5.9 28.4 18.5 32.3 4.6 5.3 21.8 22.1 8.2 6.3 4.1 16.8 26.2 26.3 * * * * * * * 25.3 4.6 16.7 8.3 22.4 6.5 5.3 4.5 3.9 3.9 4.2 21.9 6.9 4.4 24.5 31.6 25.1 35.3 4.0 19.8 4.1 21.4 6.4 29.7 5.4 24.5 24.1 37.8 3.4 17.6 29.5 5.7 30.0 22.6 35.0 16.2 4.9 3.9 7.8 3.7 19.9 4.2 * * * 17.9 5.9 3.4 16.4 3.8 3.2 27.1 8.7 8.9 4.6 5.7 5.9 * * * * * * * 8.3 12.1 8.9 28.9 3.9 4.9 23.3 28.6 4.3 3.4 3.8 22.4 27.3 31.8 13.2 6.8 3.9 21.8 4.8 4.3 12.1 26.9 7.4 6.3 24.8 3.2 27.9 6.0 29.9 5.8 19.6 5.4 6.2 37.heating capacity Model 20 23 25 29 34 Ta [°C] -15 -10 -7 -5 -2 0 2 5 7 10 15 20 -15 -10 -7 -5 -2 0 2 5 7 10 15 20 -15 -10 -7 -5 -2 0 2 5 7 10 15 20 -15 -10 -7 -5 -2 0 2 5 7 10 15 20 -15 -10 -7 -5 -2 0 2 5 7 10 15 20 RH % 90 90 90 80 80 80 80 80 80 70 70 70 90 90 90 80 80 80 80 80 80 70 70 70 90 90 90 80 80 80 80 80 80 70 70 70 90 90 90 80 80 80 80 80 80 70 70 70 90 90 90 80 80 80 80 80 80 70 70 70 Pt: heating capacity [kW] Pe: electrical power absorbed by the compressors [kW] Ta: dry bulb evaporator intake air temperature[°C] RH : evaporator intake air relative humidity [%] 14 CONDENSER INGOING/ OUTGOING WATER TEMPERATURE [°C] 25 30 40 Pt Pe Pt Pe Pt Pe 11.5 22.5 5.2 6.5 3.3 .0 19.5 5.4 3.2 * * * * * * * 7.5 5.8 8.2 31.8 14.4 18.9 17.3 15.6 5.8 3.6 15.8 18.9 4.6 * * * 16.1 4.5 5.9 20.4 26.5 18.9 3.8 4.9 6.7 3.8 4.3 26.3 20.6 20.9 4.0 5.4 4.3 10.8 21.1 8.1 18.2 6.5 30.5 33.7 29.3 23.0 18.5 4. 8 2.2 50.8 5.9 28.4 10.1 9.3 20.3 7.8 38.4 13.8 22.2 32.1 4.4 14.7 5.9 16.6 29.2 12.1 15.7 11.0 13.2 18.7 1.0 2.1 1.1 8.8 2.4 21.3 26.7 1.4 43.4 23.3 20.3 13.9 34.3 17.1 7.6 25.8 2.7 22.4 26.4 22.4 39.7 40.5 41.9 40.1 2.1 10.1 10.5 2.7 13.3 16.5 6.5 27.8 4.7 3.5 23.1 29.7 21.3 4.5 39.4 22.6 28.6 19.4 6.5 14.9 7.9 23.2 2.5 35.2 30.7 6.6 1.1 18.6 24.3 23.0 6.4 5.9 18.3 6.5 1.7 16.5 15.9 46.8 4.8 12.3 4.6 5.5 36.9 8.4 32.4 29.5 10.8 19.6 30.7 18.0 2.2 4.3 Pf: cooling capacity [kW] Pe: electrical power absorbed by the compressor [kW] Pr: domestic side heating capacity [kW] To: evaporator outlet water temperature [%] 15 .8 18.7 13.6 14.6 7.6 27.9 6.4 6.3 21.3 4.8 5.3 11.7 5.2 12.5 3.9 16.4 17.1 19.5 30.4 6.1 21.4 2.1 31.6 19.9 16.6 11.8 19.1 6.3 13.2 11.0 23.2 8.2 12.7 21.1 3.2 5.1 28.8 4.9 5.8 3.7 20.9 22.6 29.9 19.0 20.7 13.1 12.8 6.1 37.4 15.1 22.7 19.2 21.2 5.6 3.5 17.0 43.3 16.5 2.6 19.5 2.6 12.1 15.6 24.8 38.3 15.1 5.7 51.8 1.5 9.0 5.1 23.1 2.7 3.1 8.2 11.7 25.7 33.6 28.3 11.3 26.4 7.7 4.2 5.2 2.6 23.0 27.0 5.3 20.7 19.0 25.7 23.0 5.6 12.3 8.6 24.6 1.8 27.4 8.8 6.0 31.2 7.1 5.7 2.4 24.1 24.5 4.7 5.3 4.9 16.0 5.0 30.8 1.5 16.5 30.7 22.0 17.3 29.7 8.8 9.2 9.1 26.9 22.5 20.5 20.6 28.5 4.8 1.3 14.2 5.9 18.9 7.4 6.9 13.1 26.1 3.2 25.6 15.6 18.6 7.6 4.3 31.8 2.0 4.5 6.0 10.3 8.3 12.9 25.8 23.8 14.9 32.5 4.6 5.6 38.6 42.0 29.8 17.0 14.9 13.8 28.2 2.3 11.8 9.3 7.2 3.2 3.7 8.6 25.4 3.6 16.2 7.4 12.4 19.2 19.3 5.4 26.9 7.1 5.8 17.3 22.0 21.5 5.Tau HWS .0 4.3 10.7 14.8 4.4 8.1 8.5 8.6 13.1 9.6 1.2 6.4 18.3 35.7 6.3 10.7 25.2 4.1 19.0 6.7 26.8 26.2 26.9 8.6 3.1 4.5 16.3 37.1 24.6 29.1 22.5 9.2 20.5 12.0 37.2 5.3 29.9 3.1 10.4 7.0 12.9 23.0 53.6 12.2 18.8 25.2 45.2 3.2 3.6 17.2 6.6 13.6 24.5 20.0 20.2 7.0 20.1 34.4 32.7 5.0 11.2 3.5 24.4 2.2 6.0 5.8 10.9 1.1 17.6 19.0 42.0 14.7 5.8 9.3 24.8 28.3 9.4 14.3 15.2 7.0 33.0 27.5 24.4 26.4 3.1 9.4 11.2 4.2 24.8 8.3 23.5 22.3 32.8 22.8 10.1 27.4 31.4 6.8 19.8 33.8 17.1 20.9 42.1 4.0 6.7 5.5 5.8 34.1 19.8 27.8 4.6 36.5 3.9 12.1 7.9 22.7 4.2 16.6 42.1 14.2 7.1 12.0 5.5 21.4 30.8 37.3 18.8 5.1 8.2 26.5 16.9 3.2 28.2 8.4 29.7 1.0 15.0 17.5 21.7 4.2 12.8 1.3 37.1 11.1 8.8 37.1 20.8 4.9 7.9 41.6 2.1 6.2 2.6 12.3 11.0 17.6 1.8 5.2 25.2 1.4 2.6 8.5 7.6 9.2 3.4 10.5 10.5 1.7 15.2 25.2 2.9 8.7 15.8 25.2 9.6 16.7 4.4 20.8 10.6 1.8 5.5 14.4 33.1 6.3 9.2 7.4 1.7 12.8 22.6 29.0 9.7 7.7 18.6 15.8 27.3 2.9 11.7 15.6 28.7 3.2 7.9 1.8 6.4 4.7 5.4 5.4 29.0 2.2 3.9 12.8 8.2 7.0 15.7 15.3 9.9 3.6 1.7 18.5 3.2 29.7 21.5 27.8 13.1 18.5 4.9 2.5 17.7 4.6 3.8 2.5 10.5 28.1 9.5 13.3 10.0 30.7 14.1 8.4 8.3 21.0 30.9 1.9 20.0 18.2 3.2 2.2 10.0 21.5 2.0 16.0 9.5 14.0 2.2 8.7 37.0 8.9 37.6 3.9 19.7 9.4 2.9 2.3 35.2 47.8 6.6 33.7 22.4 6.4 4.4 2.3 23.5 22.0 4.8 11.4 6.1 18.3 9.9 31.3 21.7 8.1 2.9 2.8 7.0 15.3 4.1 4.8 4.0 8.1 2.7 40.8 32.2 17.0 9.7 5.1 16.2 26.1 3.1 31.4 19.1 20.4 35.7 27.9 33.1 2.3 29.0 2.2 11.8 14.8 15.3 30.6 3.4 9.6 9.5 1.8 7.6 14.6 6.5 1.3 11.8 4.4 21.4 5.2 5.1 3.7 4.8 45.7 16.1 18.5 3.3 37.4 24.9 20.9 1.5 5.0 8.1 23.7 2.1 8.1 36.5 33.9 26.1 2.8 12.7 1.3 23.5 22.9 8.9 6.7 3.8 31.4 17.0 35.5 40.2 4.5 14.2 4.6 17.3 5.4 23.5 40.9 13.7 10.9 23.3 5.6 33.0 11.2 7.1 46.6 48.5 2.1 2.5 8.7 6.9 15.0 6.0 10.8 3.0 2.2 34.4 19.5 7.2 22.8 2.3 6.4 2.4 16.4 12.8 2.5 4.3 48.7 4.1 5.5 5.8 19.6 9.4 7.1 11.recovery capacity DOMESTIC HOT WATER TEMPERATURE [°C] Model 8 10 12 16 18 20 23 25 29 34 To [°C] 5 7 10 14 18 5 7 10 14 18 5 7 10 14 18 5 7 10 14 18 5 7 10 14 18 5 7 10 14 18 5 7 10 14 18 5 7 10 14 18 5 7 10 14 18 5 7 10 14 18 30/35 35/40 40/45 45/50 50/55 Pf Pe Pr Pf Pe Pr Pf Pe Pr Pf Pe Pr Pf Pe Pr 6.0 36.0 4.6 5.1 5.1 35.8 26.3 16.6 26.0 13.8 32.3 9.9 11.8 6.8 32.6 15.5 4.1 23.4 25.4 2.2 7.9 29.9 28.1 10.8 6.4 4.8 2.3 23.6 4.2 3.2 34.1 2.6 5.4 6.2 13.5 2.6 35.0 19.6 16.7 11.9 17.6 10.2 26.0 7.3 23.7 30.4 32.5 14.2 2.6 11.8 17.3 3.0 28.3 9.5 20.2 7.0 3.7 34.1 25.4 6.9 16.4 10.4 9.4 18.8 2.1 24.3 25.6 17.1 8.0 10.7 5.3 10.0 34.6 26. noise levels OCTAVE BAND [HZ] Model 63 [dB] 125 [dB] 250 [dB] 500 [dB] Total 1000 [dB] 2000 [dB] 4000 [dB] 8000 [dB] Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp 8 67 36 67 36 66 35 62 31 56 25 52 21 45 14 38 7 63 32 10 68 37 68 37 67 36 64 33 57 26 54 23 48 17 40 9 65 34 12 72 41 69 38 70 39 64 33 60 29 56 25 49 18 42 11 66 35 16 72 41 72 41 70 39 67 36 62 31 56 25 51 20 41 10 68 37 18 74 43 73 42 73 42 68 37 62 31 58 27 53 22 43 12 70 39 20 75 44 74 43 74 43 68 37 63 32 59 28 52 21 45 14 70 39 23 77 46 75 44 76 45 70 39 66 35 61 30 53 22 47 16 72 41 25 78 47 76 45 76 45 72 41 64 33 61 30 56 25 47 16 73 42 29 79 47 77 45 78 46 72 40 67 35 63 31 56 24 49 17 74 42 34 80 48 79 47 77 45 74 42 67 35 63 31 57 25 50 18 75 43 Lw:sound power levels measured in free field according to standard ISO 3744. 16 dB(A) . Lp: sound pressure levels measured at 10 metres from the unit in free field under nominal operating conditions. under nominal operating conditions. according to ISO 3744. 10 .12 SD00009A 17 .12 TAU ST 1P 8 .10 . clearance areas and hydraulic connections TAU 8 .overall dimensions. weights. 10 . clearance areas and hydraulic connections TAU ST 1PS 8 .overall dimensions.12 SD00013A 18 . weights. 20 TAU ST 1P 16 .20 TAU HWS 8-10-12 TAU HWS ST 1P 8-10-12 SD00010A 19 .18 .overall dimensions. weights.18 . clearance areas and hydraulic connections TAU 16 . clearance areas and hydraulic connections TAU ST 1PS 16 .18 .20 TAU HWS ST 1PS 8-10-12 SD00014A 20 .overall dimensions. weights. weights.25 TAU ST 1P 23 . clearance areas and hydraulic connections TAU 23 .25 SD00011A 21 .overall dimensions. overall dimensions.25 SD00015A 22 . weights. clearance areas and hydraulic connections TAU ST 1PS 23 . clearance areas and hydraulic connections TAU 29 .34 TAU ST 1P 29 .34 SD00012A 23 . weights.overall dimensions. overall dimensions.34 SD00016A 24 . clearance areas and hydraulic connections TAU ST 1PS 29 . weights. - Before turning on the disconnect switch. - Electrical connections: three-pole power cable + earth or three pole cable + neutral + earth. . During short stops. Do not switch the power off during short stoppages. storage tank. it is advisable to install an electric heater (defroster) on the evaporator and the hydraulic circuit. cut the power off by turning on the disconnect switch. installation and maintenance manual). This procedure is particularly important. flow switch. - The power supply must be fitted with all protections according to the standards in force. anti-vibrating connections. integration with nearby structures. Carefully vent the hydraulic system with the pump switched off. external interlock. as even small air bubbles may cause the evaporator to freeze. - Connect the flow switch when supplied in the kit. stop the unit by turning off all the operating switches or using the remote control. in order to turn the crankcase heaters on. Please refer to the user. which provides all the instructions required for making the electrical connections. Tau ELECTRICAL CONNECTIONS - Always consult the enclosed wiring diagram. - Drain the system during winter stops or use special anti-freeze solutions. shut-off valves. etc. following carefully the instructions provided with the units. - Power up the unit (closing the disconnect switch). - Before accessing the inner components. HYDRAULIC CONNECTIONS . air valve. - Place the unit in a manner that assures the lowest environmental impact (noise. These operations must be carried out by qualified personnel only. by turning the air valve.INSTALLATION GUIDELINES POSITIONING - Strictly comply with the clearance areas indicated in the catalogue. - Install the hydraulic circuit with all the components shown in the diagrams (expansion vessel. etc. remote alarm signalling. Make sure that there are no obstructions near the finned coil suction or the fan air discharge.). at least 12 hours before start-up. 25 . START-UP AND MAINTENANCE - Strictly follow the instructions given in the use and maintenance manual. Fax +39 0426 302222 www. 30010 Cantarana di Cona (VE) .l.it .10213000702_02.11 BLUE BOX GROUP S.r.it .Via Valletta.blueboxgroup.info@blueboxgroup. 5 Tel +39 0426 921111 .