24
Pos.
Description
wP
Brine accessory pack
wQ
Pressure switch, primary circuit
wW
Brine distributor, geothermal probes/collectors
wU
Geothermal probes/collectors
Note
Either fit primary circuit flow and return
temperature sensors in the sensor wells
of the hydraulic modules (accessories)
or use a sensor well set (accessories).
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 76 and the separate
service instructions for the Vitotronic 200
heat pump control unit.
2
X1.
X3.8
X3.9
230 V / 50 Hz
230 V; 0.15 A
21
211.1
X1.
X2.N
UP
15
200 W
224.2
F2
Low voltage
16
PT500
F3
17
12
PT500
13
M
1~
Preparing for installation
Primary circuit, type BW + BWS (2-stage,…
(cont.)
5609 667 GB
