Viessmann VITOCAL 300-G Installation And Service Instructions For Contractors page 5

Index
1. Information
2. Preparing for installation
3. Installation sequence
4. Commissioning, inspec-
tion, maintenance
5. Maintenance
Disposal of packaging ............................................................................
Symbols .................................................................................................
Intended use ..........................................................................................
Product information ................................................................................
System examples ...............................................................................
■
Spare parts lists ..................................................................................
■
Requirements concerning on-site connections ...................................... 10
Siting and transport requirements .......................................................... 10
Transport ............................................................................................ 10
■
Installation room requirements ........................................................... 11
■
Siting the heat pump .............................................................................. 12
Removing the front panel ................................................................... 12
■
Removing the heat pump module ....................................................... 13
■
Transporting the heat pump module ................................................... 15
■
Installing the heat pump module ......................................................... 15
■
Fitting the hydraulic connection set .................................................... 16
■
Levelling the heat pump ..................................................................... 17
■
Hydraulic connections ............................................................................ 17
Connecting the primary circuit ............................................................ 17
■
Connecting the secondary circuit ....................................................... 18
■
Connecting the cooling circuit ............................................................. 18
■
Electrical connection .............................................................................. 18
Preparing the electrical connections ................................................... 18
■
Opening the wiring chamber ............................................................... 20
■
Installing the programming unit .......................................................... 21
■
Routing the cables to the wiring chamber .......................................... 23
■
Connecting the Vitoconnect (accessories) ......................................... 24
■
Overview of electrical connections ..................................................... 25
■
Main PCB (function components 230 V~) .......................................... 26
■
Expansion PCB on main PCB (230 V~ components) ......................... 29
■
Luster terminals (message and safety connections) .......................... 33
■
Controller and sensor PCB (extra low voltage (ELV) connections) .... 35
■
Connecting a temperature limiter to restrict the maximum tempera-
■
ture of underfloor heating circuit ......................................................... 37
Swimming pool heating ...................................................................... 39
■
Power supply ......................................................................................... 40
Heat pump control unit power supply 230 V~ ..................................... 41
■
Compressor power supply 400 V~ ..................................................... 41
■
Instantaneous heating water heater power supply 400 V~ ................. 42
■
Power supply with power-OFF: Without on-site load disconnect ....... 42
■
Power supply with power-OFF: With on-site load disconnect ............ 43
■
Mains power supply in conjunction with on-site power consumption . 44
■
Smart Grid .......................................................................................... 44
■
Make connections at terminals X3.8/X3.9 ............................................. 46
Closing the heat pump ........................................................................... 46
Steps - commissioning, inspection and maintenance ............................ 47
Opening the casing door ........................................................................ 64
Overview of electrical components ........................................................ 64
Overview of internal components .......................................................... 65
Draining heat pump on the secondary side ........................................... 66
Checking the temperature sensors ........................................................ 66
Viessmann NTC 10 k
Ω
■
Viessmann Pt500A (green marking) ................................................... 68
■
NTC 10 k (no marking) ..................................................................... 69
Ω
■
Checking the fuses ................................................................................ 69
(blue marking) ............................................... 67
Index
7
7
7
8
8
9
5