Viessmann VITOCAL 200-G Installation And Service Instructions Manual page 15

DHW heating
(cont.)
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 39 and the separate
service instructions, Vitotronic 200 heat
pump control unit.
2
212.3
X1.
X2.N
224.7
X2.N
A On-site contactor
DHW cylinder with cylinder loading system
Note
The circulation pumps are installed in the
heat pumps and connected at the factory
(primary pump qT, secondary pump 6,
circulation pump for cylinder heating 7,
instantaneous heating water heater 4
optional).
F6
F7
Preparing for installation
50 W
M
ZP
1~
L1 L2 L3 N
A
PT500
STS
PT500
STS
37
40
31
32
15