Viessmann Vitocal 300-G Pro BW 302.D090, Installation And Service Instructions For Contractors

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1. Safety and liability Occupational safety ............................................................................... 6
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Electrical connections ......................................................................... 6
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Work on the heat pump ...................................................................... 7
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Work on the refrigerant circuit ............................................................. 7
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Work on the casing ............................................................................. 7
2. Information Disposal of packaging ............................................................................ 8
Symbols ................................................................................................. 8
Intended use .......................................................................................... 8
Product information ................................................................................ 9
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Vitocal 300-G Pro, type BW 302.D090 to BW 302.D230 .................... 9
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Heat pump application limits ............................................................... 9
3. Preparing for installation General information on electrical connection ......................................... 10
Transport and siting requirements ......................................................... 10
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Unloading and handling ...................................................................... 10
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Installation room requirements ........................................................... 12
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Minimum clearances ........................................................................... 12
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Anti-vibration base .............................................................................. 13
Requirements for on-site connections ................................................... 14
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Dimensions Vitocal 300-G Pro ............................................................ 14
Hydraulic connection requirements ....................................................... 16
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Primary circuit: Brine/water, 2-stage (type BW 302.D090,
BW 302.D110, BW 302.D140, BW 302.D180 and BW 302.D230) ..... 17
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Primary circuit: Brine/water, heat pump cascade (type BW 302.D090
to BW 302.D230) ................................................................................ 18
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Heat pump cascade: 2-stage (type BW 302.D090 to BW 302.D230) . 19
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DHW heating (type BW 302.D090 to BW 302.D230) ......................... 20
4. Installation sequence Siting the heat pump .............................................................................. 22
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Levelling the heat pump ..................................................................... 22
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Removing the transport brackets ........................................................ 23
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Fitting the back panel, side panels and kicking plates ........................ 24
Making the hydraulic connections .......................................................... 25
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Overview of hydraulic connections ..................................................... 25
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Connecting the Vitocal 300-G Pro ...................................................... 26
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Fitting the Victaulic couplings ............................................................. 28
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Connecting the primary circuit ............................................................ 29
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Connecting the secondary circuit ....................................................... 29
Electrical connections ............................................................................ 30
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Routing cables to the heat pump wiring chamber .............................. 30
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Overview of electrical connections ..................................................... 31
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Terminal strip for system components ................................................ 33
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Main PCB with expansion PCB .......................................................... 33
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Message and safety connections (safety chain) with distribution ter-
minal ................................................................................................... 39
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Controller and sensor PCB ................................................................. 42
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Electric booster heater (on-site) ......................................................... 44
Power supply ......................................................................................... 45
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Control circuit power supply (230 V~) and power circuit (400 V~) ..... 45
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Electrical connection requirements ..................................................... 46
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Power supply with power-OFF without on-site load disconnect
(delivered condition) ........................................................................... 46
Mains monitor ........................................................................................ 47
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Electronic soft starter, type SMC ........................................................ 47
Fitting the shaft and dial for the ON/OFF switch and installing the pro-
gramming unit ........................................................................................ 48
Closing the heat pump ........................................................................... 48
Index
Index
5838144