Viessmann Vitocal 300-G Installation And Service Instructions Manual page 45
Heat pump with electric drive, 1 and 2-stage. brine/water heat pump: 5.7 to 34.4 kw. with conversion kit to water/water heat pump: 7.5 to 45.2 kw
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Also See for Vitocal 300-G:
- Installation and service instructions manual (256 pages) ,
- Installation and service instructions for contractors (144 pages) ,
- Operating and service instructions (104 pages)
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Power supply
(cont.)
1-stage (type BW/BWC 301.B)
X3.7
A
X3.6
3
D
E
≈
3
kWh
3/N
F
G
4
Fig. 35
Diagram excluding fuses and RCDs
Heat pump control unit (connection on cross con-
A
nect PCB)
Instantaneous heating water heater (if installed)
B
Compressor
C
Control unit power supply
D
Mains isolator
E
C
B
5
3
kWh
3/N
H
4
4
K
F
G
H
K
4
Premium tariff meter
Ripple control receiver (contact open: Power-OFF
enabled) with backup fuse
Economy tariff meter
Feed: TNC system
Installation sequence
45
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