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6721833372 (2021/09) GB/IE

Installer Guide

Air to water heat pump

Compress 7400i AW

5 OR | 7 OR

Содержание Compress 7400i AW

Страница 1: ...6721833372 2021 09 GB IE Installer Guide Air to water heat pump Compress 7400i AW 5 OR 7 OR ...

Страница 2: ...age that is caused by such usage is excluded from liability 1 Explanation of symbols and safety instructions 2 1 1 Explanation of symbols 2 1 2 General safety instructions 2 2 Regulations 3 2 1 Water quality 3 3 Product description 5 3 1 Scope of delivery 5 3 2 Heat pump details 5 3 3 Declaration of conformity 5 3 4 Type plate 5 3 5 Product overview 6 3 6 Dimensions 6 3 6 1 Dimensions of heat pump...

Страница 3: ...erate at lower temperatures than other heating systems which means that the thermal de airing is not as effective and oxygen levelsare never aslowaswitha systemincorporating anelectric oil gas boiler This means that the heating system will be more susceptible to corrosion when exposed to aggressive water Preventive actions are required if the heating systems require recurrent filling or where a he...

Страница 4: ...water volume Fill volume of the heating system and top up volume over the life span of the heat pump Ifthetotalwatervolumeisabovethelimitcurveinthediagram Fig 1 suitable measures are required for water treatment Suitable measures are Use of fully de mineralized fill water with a Conductivity of 10 microsiemens cm To prevent oxygen from entering the heating water the expansion vessel must be adequa...

Страница 5: ...n auxiliary heater electric oil and gas heating with mixer 3 3 Declaration of conformity Thedesignandoperatingcharacteristicsofthisproductcomplywiththe European and national requirements The CE marking declares that the product complies with all the applicable EU legislation which is stipulated by attaching this marking The complete text of the Declaration of Conformity is available on the Interne...

Страница 6: ...Four way valve 4 Pressure switch pressure sensor 5 compressor 6 Inverter Description applies for all sizes 3 6 Dimensions 3 6 1 Dimensions of heat pump models 5 OR 7 OR Fig 4 Dimensions and connections of heat pump models 5 OR 7 OR rear Fig 5 Dimensions of heat pump models 5 OR 7 OR view from top 1 2 3 4 6 5 352 99 76 405 1380 836 593 583 478 510 ø10 5 934 0010031841 002 ...

Страница 7: ...nded by walls With a freestanding installation not near the building Do not install the heat pump so the intake side faces directly south to avoid the effects of the sun on the air temperature sensor Use a wall wall or similar object to protect the intake side Fig 8 Free standing heat pump Whenever possible set up the heat pump so that the front is not directly facing the wind Position the outdoor...

Страница 8: ...aryheateroperation the following configuration is recommended 4 radiators with 500 W rating for heat pump 5 OR 7 OR Heating system with underfloor heating system and radiators in separate heating circuits without buffer cylinders A room temperature dependent control unit should be installed in the largest room reference room instead of room thermostats Small floor areasoronlyafewradiatorsinthesyst...

Страница 9: ...njury The heat pump may tilt if it is not fixed correctly Fix the heat pump to the floor NOTICE Installation problems faults if installed on sloping surface This will hamper the assembly of the side panels and cover The condensate drainage and functionality will be impaired Make sure that the inclination of the heat pump in the horizontal and vertical direction is no more than 1 Screw the heat pum...

Страница 10: ...s according to instructions Tab 6 9 To minimise pressure drops avoid joints in the heat transfer medium line Use PEX pipes for all pipework between the heat pump and indoor unit To avoid leaks only use material pipes and connections from the same PEX supplier To make installation easier and to avoid breaks in the insulation use of insulated AluPEX pipes is recommended The purpose of PEX and AluPEX...

Страница 11: ...rate l s Maximum pressure reduction kPa 1 1 For pipes and components between the heat pump and indoor unit AX20 inside Ø 15 mm AX25 inside Ø 18 mm AX32 inside Ø 26 mm AX40 inside Ø 33 mm Maximum pipe length A 13 PEX m 5 OR 5 0 33 55 7 16 5 30 7 OR 5 0 43 40 4 10 5 30 Heat Pump Delta heat transfer medium K Nominal flow rate l s Maximum pressure reduction kPa 1 1 For pipes and components between the...

Страница 12: ...um outlet to the indoor unit DN25 2 Heat transfer medium inlet from the indoor unit DN25 5 5 4 Electrical connection NOTICE Malfunction due to faults High voltage lines 230 400 V in the vicinity of communication lines can cause the heat pump to malfunction Route sensor cable EMS BUS cable and shielded CAN BUS cable separately to power cables Maintain a minimum distance of 100 mm The BUS cable can ...

Страница 13: ...h Term is used to indicate the start and end of a CAN BUS loop The heat pump I O module card should be terminated Fig 16 Termination CAN BUS Connecting the heat pump A CAN BUS signal cable with the minimum dimensions 4 x 0 75 mm2 and a maximum length of 30 m must be routed between the heat pump and indoor unit Release belt Velcro fastener Remove the lock of the control device Feed the connecting l...

Страница 14: ...nels and cover CAUTION Risk of injury There is a risk of hand injury if the fan is uncovered The unit may not be commissioned without the front plate Fig 18 Installing side panels and cover 1 2 1 1 2 3 2 3 1x 1 1x 2 1x 3 1x 4 1x 5 7 8 9 10 6 0010029644 001 4x 8x 4x 6x 11 6x 2x ...

Страница 15: ...Installation 15 Compress 7400i AW 6721833372 2021 09 Fig 19 Installing side panels and cover 3 4 9 9 5 8 4 4 6 6 6 7 8 9 5 7 8 0010029645 001 ...

Страница 16: ...ays protect the expansion valve from impacts and shock NOTICE Deformation due to heat If the temperature is too high the insulation material EPP in the heat pump deforms Remove as much insulation EPP as possible before carrying out soldering work When carrying out soldering work in the heat pump protect the insulation material with heat resistant materials or a moist cloth Work on the refrigerant ...

Страница 17: ...Installation of accessories 17 Compress 7400i AW 6721833372 2021 09 3 4 A A 5 C A 6 A 7 C A A N N 1 1 8 A 9 C C B B 10 ...

Страница 18: ...ng or disposal Old electrical and electronic appliances This symbol means that the product must not be disposed of with other waste and instead must be taken to the waste collection points for treatment collection recycling and disposal The symbol is valid in countries where waste electrical and electronic equipment regulations apply e g European Directive 2012 19 EC on old electronic and electric...

Страница 19: ...N AC 50 Hz 230 V 1N AC 50 Hz Protection index IP X4 IP X4 Fuse rating for supplying the heat pump directly via the building connection2 2 Fuse class gL C A 16 16 Maximum power consumption kW 3 2 3 6 Heat transfer medium Minimum flow l s 0 33 0 43 Internal pressure reduction kPa 7 8 10 5 Air and noise generation Max fan motor output DC transformer W 240 240 Maximum air current m h 3400 3400 Sound p...

Страница 20: ...without auxiliary heater 1 Maximum flow temperature T0 2 Outdoor temperature T1 Detailed sound pressure level max 5 OR Space m 1 2 3 4 5 6 8 10 12 14 16 Day Q 21 1 No wall within a distance of 3m dB A 48 42 38 36 34 32 30 28 26 25 24 Q 42 2 Heat pump near the wall dB A 51 45 41 39 37 35 33 31 29 28 27 Night Q 21 dB A 41 35 31 29 27 25 23 21 19 18 17 Q 42 dB A 44 38 34 32 30 28 26 24 22 21 20 Detai...

Страница 21: ...sensor heat transfer medium outlet TL2 Temperature sensor air intake TR1 Temperature sensor compressor TR3 Temperaturesensor condenserreturn liquid heatingmode TR4 Temperature sensor evaporator return liquid cooling mode TR5 Temperature sensor suction gas TR6 Temperature sensor hot gas VR0 Electronic expansion valve 2 condenser VR1 Electronic expansion valve 2 evaporator VR4 Four way valve M M M T...

Страница 22: ...4 1 Wiring diagram for transformer alternating current Fig 22 Wiring diagram for transformer alternating current three phase current ER1 Compressor MR1 High pressure switch A Inverter B Mains voltage 230 V 1N 1 Power supply of I O module 2 MOD BUS to I O module B 2 A 1 0010029641 001 ...

Страница 23: ... at air inlet TR1 Temperature sensor compressor TR3 Temperature sensor at condenser return TR5 Suction gas temperature sensor TR6 Temperature sensor hot gas VR0 Electronic expansion valve 1 VR1 Electronic expansion valve 2 EA0 Heater for drip pan EA1 Heating cable accessory F50 Fuse 6 3 A PL3 Fan SSM Motor protection in the fan VR4 Four way valve A I O module B P7 heat pump 5 OR 1N P8 heat pump 7 ...

Страница 24: ...l charge size of the refrigerant in the table information on refrigerant of the operating instructions C r C r C r 40 154300 5 11900 50 1696 35 111700 10 9330 55 1405 30 81700 15 7370 60 1170 25 60400 20 5870 65 980 20 45100 25 4700 70 824 15 33950 30 3790 75 696 10 25800 35 3070 80 590 5 19770 40 2510 85 503 0 15280 45 2055 90 430 C C C C 20 96358 15 15699 50 3605 85 1070 15 72510 20 12488 55 298...

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Страница 28: ... Cotswold Way Warndon Worcester WR4 9SW United Kingdom Tel 0330 123 9559 worcester bosch co uk 0330 123 3366 TECHNICAL SUPPORT RENEWABLE SUPPORT 0330 123 9229 CONTROLS AND CONNECTIVITY TEAM 0330 123 3641 0330 123 9339 0330 123 9779 0330 123 9119 0330 123 0166 0330 123 9669 ...

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