WW
KW
VF1
HK1-P
HK2-P
HK3-P
HK2
HK3
VF2
VF3
SP
ZIR
Fig. 5.5 Wall-mounted boiler with VRC 630
Key
WW DHW
cylinder
ZIR Circulation
pump
SP
Cylinder sensor
KW
Cold water
VF 1
Flow sensor 1
VF 2
Flow sensor 2
VF 3
Flow sensor 3
HK 1-P Heating circuit pump 1
HK 2-P Heating circuit pump 2
HK 3-P Heating circuit pump 3
HK 2
Mixer
HK 3
Mixer
i
Caution - illustration shows principle only!
This system schematic does not include all
the shut-off and safety devices necessary for
professional assembly. System-specific plan-
ning is required!
33
Installation Instructions VRC 630 0020095108_00
Electrical installation 5
Summary of Contents for VRC 630
Page 1: ...GB VRC 630 3 ...
Page 2: ......
Page 54: ......
Page 55: ...For the heating engineer Installation Manual VRC 630 ...
Page 152: ...0020095108_00 GB 022010 Subject to alterations ...