10
Pos.
Designation
wW
Separating heat exchanger, primary circuit
wE
Flow switch, well circuit (remove jumper when connecting)
wR
Dirt trap
wZ
Well pump (suction pump for groundwater; connect via on-site contactor
with fuse protection)
■ 230 V connection: See page 10.
■ 400 V connection: See page 11.
wU
Delivery well
wI
Return well
Electrical installation scheme
For an overview of the electrical connec-
tions and more detailed information
regarding the PCBs, see from
page 34 and the service instructions
for the "Vitotronic 200 heat pump control
unit".
With well pump connection 230 V~
M
1~
M
1~
X1.
X2.N
UP
UP
N
L
200 W
N
L1
X1.
X3.4
X3.3
X1.
X3.8
X3.9
230 V/50 Hz
230 V; 0.15 A
230 V; 0.15 A
230 V; 0.15 A
K1
2
qT
wZ
wE
wQ
qO
sH
sYYA
.
Preparing for installation
Primary circuit, type BW
(cont.)
5546 267 GB
