Viessmann BWT 241.A Series, Installation And Service Instructions Manual

Page: 13 / 124

13
Pos. Designation
Heating circuit with mixer M2
uP Underfloor heating circuit M2 with mixer controlled by the heat pump control
unit
uQ Vitotrol 200A remote control
uE Flow temperature sensor VTS
uR Temperature limiter to restrict the maximum temperature of underfloor
heating systems
■ Version with immersion sensor
or
■ Version with contact sensor
uT Mixer extension kit
uZ Heating circuit pump
uU Mixer motor for 3-way mixer
Heating circuit without mixer A1
oP Radiator heating circuit
oQ Vitotrol 200A remote control
oZ Heating circuit pump
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 34 and the separate
service instructions, Vitotronic 200 heat
pump control unit. For information regarding the power sup-
ply, see page 43.
230 V/ 50 Hz
2
212.2
X2.N
X1.
UP A1
212.3
X2.N
X1.
212.4
X2.N
X1.
UP 43
ZP 37
46
STB 41
X1.1
X2.1
X3.18
230 V / 50 Hz
N
L1
X3.8
X1. 230 V; 0.5 A 21
X3.9
<16A
100 W
50 W
96
130 W
95 °C
M
1~
M
1~
M
1~
Preparing for installation
System example, ID: 4605091_1102_03
(cont.)
5601 598 GB
Installation