33
Required equipment
Pos.
Description
6
Secondary pump
7
Circulation pump for cylinder heating
eP
DHW cylinder
eQ
Cylinder temperature sensor, bottom (optional)
eW
Cylinder temperature sensor, top
eU
DHW circulation pump (optional)
rP
Immersion heater (create electrical circuit on site. Can only be used as an
alternative to the external heat source for DHW reheating.)
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 72 and the separate
service instructions, Vitotronic 200 heat
pump control unit.
X1.
X2.N
ZP
40
2
37
50 W
230 V / 50 Hz
212.3
X2.N
A
224.7
L1 L2 L3 N
F6
Low voltage
STS
31
PT500
F7
STS
32
PT500
M
1~
A
On-site contactor
Preparing for installation
DHW heating
(cont.)
5600 161 GB
Installation
Summary of Contents for BW 01.A06
Page 121: ...121 Opening the shield Troubleshooting Repairs cont 5600 161 GB Service ...
Page 166: ...166 5600 161 GB ...
Page 167: ...167 5600 161 GB ...