Viessmann VITOCAL 200-G Installation And Service Instructions Manual page 50

Type bwc & bwc-m 201.a06 to a17, 6 to 17 kw single stage heat pump with electric drive, 400 v~ & type bwc-m 201.a06 to a10, 6 to 10 kw single stage heat pump with electric drive, 230 v~
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Installation sequence
Electrical connections
Immersion heater (400 V~)
224.7
B
X2.N
A Immersion heater, power supply
3/N/PE 400 V/50 Hz
Immersion heater (230 V~, on site)
224.7
B
X2.N
A Immersion heater, power supply
1/N/PE 230 V/50 Hz
50
(cont.)
L1
L2
L3
N
?
A
L1
L1
L1
N
N N
A
B Terminals of the heat pump control
unit
?
B Terminals of the heat pump control
unit

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