Viessmann VITOCAL 200-G Installation And Service Instructions Manual page 17

DHW heating
(cont.)
Pos. Designation
eP
DHW cylinder
eW Cylinder temperature sensor
eE Cylinder primary pump (DHW side)
eR
Plate heat exchanger
eT Flow limiter
eZ Motorised 2-way valve, normally closed
eU DHW circulation pump
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
211.4
X1.
X2.N
Note
The total output of all components con-
nected directly to the heat pump control
unit must not exceed 1000 W (e.g.
pumps, valves, message facilities, con-
tactors).
Cylinder loading pump eE is connected
parallel to internally fitted and connected
circulation pump for cylinder heating
7.
F6
Preparing for installation
50 W
M
ZP
1~
97
130 W
L
M
UPSB
1~
N
130 W
M
UP
1~
M
1~
PT500
STS
37
7
33
36
32
17