Viessmann VITOCAL 151-A Installation And Service Instructions Manual page 9

Index
1. Information
2. Preparing for installation
3. Installation sequence
Disposal of packaging ............................................................................ 12
Symbols ................................................................................................. 12
Intended use .......................................................................................... 12
Product information ................................................................................ 13
Layout and functions .......................................................................... 13
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System examples ............................................................................... 14
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Spare parts lists .................................................................................. 14
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Requirements for on-site connections ................................................... 15
Outdoor unit ........................................................................................ 16
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Installing the outdoor unit ....................................................................... 17
Transport ............................................................................................ 17
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Installation information ........................................................................ 19
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Installation location ............................................................................. 21
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Minimum clearances ........................................................................... 24
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Draining condensate via a soakaway ................................................. 24
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Draining condensate via waste water system .................................... 25
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Floorstanding installation .................................................................... 25
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Wall mounting ..................................................................................... 29
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Connecting the hydraulic connection lines ......................................... 30
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Checking the transport bracket ........................................................... 31
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Positioning the indoor unit ..................................................................... 32
Transport ............................................................................................ 32
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Requirements for the installation room ............................................... 32
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Minimum clearances ........................................................................... 34
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Minimum room height ......................................................................... 34
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Pressure points ................................................................................... 35
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Relocating the ON/OFF switch ........................................................... 35
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Connecting the secondary circuit ........................................................... 36
Preparing connections on the heating water side ............................... 36
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Preparing the connections on the DHW side ...................................... 36
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Connecting the secondary side .......................................................... 37
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Aligning the indoor unit ....................................................................... 39
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Temperature limiter ............................................................................. 39
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Contact humidistat .............................................................................. 40
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Operation without outdoor unit ........................................................... 40
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Indoor unit: Removing the front panels .................................................. 41
Electrical connection .............................................................................. 42
Preparing the electrical connections ................................................... 42
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Overview of electrical terminal areas .................................................. 43
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Opening electrical terminal areas ....................................................... 43
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Indoor unit: Routing cables to the terminal area ................................. 45
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Notes regarding the connection values .............................................. 46
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Upper PCB: Bus connections and sensors ........................................ 47
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Bottom PCB: 230 V~ function components and digital inputs ............ 49
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HPMU electronics module: Accessory 230 V~ and BUS connection . 51
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Integrating a heat pump into a CAN bus system ................................ 53
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Outdoor unit: Electrical terminal area on the underside of the appli-
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ance .................................................................................................... 55
Indoor/outdoor unit CAN bus communication cable (accessories) ..... 55
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Fitting the programming unit ............................................................... 57
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Power supply ......................................................................................... 58
Central power supply for types ... SP ................................................. 58
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Heat pump control unit power supply ................................................. 59
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Instantaneous heating water heater power supply ............................. 60
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Compressor power supply: Outdoor unit 230 V~ ................................ 61
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Compressor power supply: Outdoor unit 400 V~ ................................ 62
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Power supply with power-OFF: Without on-site load disconnect ....... 63
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Index
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