Viessmann 7513685, Installation And Service Instructions Manual

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1. Information Disposal of packaging ............................................................................ 5
Symbols ................................................................................................. 5
Intended use .......................................................................................... 5
Product information ................................................................................ 6
2. Preparing for installation Requirements regarding on-site connections ........................................ 7
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Recommended power cables ............................................................. 8
3. Installation sequence Installing the external unit ...................................................................... 10
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Installation information ........................................................................ 10
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Installation site .................................................................................... 11
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Minimum clearances ........................................................................... 11
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Minimum clearances for heat pump cascade (max. 5 external units) 12
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Transport and installation ................................................................... 12
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Floorstanding installation .................................................................... 13
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Wall mounting ..................................................................................... 13
Installing the internal unit ....................................................................... 14
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Transport ............................................................................................ 14
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Installation room requirements ........................................................... 14
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Minimum clearances ........................................................................... 14
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Fitting the internal unit to the wall ....................................................... 15
Connecting refrigerant lines ................................................................... 15
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Routing the refrigerant lines ............................................................... 16
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Sound and vibration isolation when line entry is above ground level . 17
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Connection to the external unit ........................................................... 18
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Connection to the internal unit ............................................................ 19
Connecting the secondary circuit ........................................................... 21
Connecting a cooling circuit if required .................................................. 21
Electrical connection .............................................................................. 22
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Internal unit: Routing the cables to the wiring chamber ...................... 23
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Internal unit: Overview of connections ................................................ 24
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Internal unit: Main PCB (function components 230 V~) ...................... 25
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Internal unit: Expansion PCB on main PCB (function components
230 V~) ............................................................................................... 27
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Internal unit: Luster terminals (signal and safety connections) ........... 29
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Internal unit: Controller and sensor PCB (LV connections) ................ 30
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Internal unit: AVI PCB ......................................................................... 33
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External unit: Overview of connections .............................................. 33
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Connecting internal and external units ............................................... 34
Power supply ......................................................................................... 34
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Heat pump control unit power supply 230 V~ ..................................... 35
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External unit power supply 230 V~/400 V~ ........................................ 35
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Power supply for instantaneous heating water heater (only
type AWB-AC) .................................................................................... 37
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Power supply with power-OFF: Without on-site load disconnect ....... 37
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Power supply with power-OFF: With on-site load disconnect ............ 38
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Mains power supply in conjunction with on-site power consumption . 40
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Smart Grid .......................................................................................... 40
Closing the heat pump ........................................................................... 41
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Fitting the front panel of the internal unit ............................................ 42
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Fitting side cover for external unit ....................................................... 42
4. Commissioning, inspec-
tion, maintenance
Steps - commissioning, inspection and maintenance ............................ 43
5. Maintenance Overview of electrical components ........................................................ 60
Opening the programming unit .............................................................. 60
Placing the control panel in its service position ..................................... 61
Overview of internal components: Internal unit ...................................... 62
Index
Index
5700 542 GB