22
Pos.
Description
z
P
Heating water buffer cylinder
z
Q
Buffer temperature sensor
z
W
System flow temperature sensor
Heating circuit with mixer M2 (KM BUS)
u
P
Underfloor heating circuit/cooling circuit
u
Q
Vitotrol 200A remote control
u
E
Flow temperature sensor
u
R
Temperature limiter to limit the maximum temperature of underfloor heating
systems
■ As immersion thermostat
or
■ As contact thermostat
u
Z
Heating circuit pump
u
U
3-way mixer, heating circuit
Mixer motor of 3-way mixer
q
-
T
Extension kit, heating circuit with mixer
Active cooling function AC
i
E
Contact humidistat 230 V
i
O
3-way diverter valve for "Heating/cooling"
Heating circuit without mixer A1
o
P
Radiator heating circuit
o
Q
Vitotrol 200A remote control
o
Z
Heating circuit pump
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 45 and the separate
service instructions for the heat pump
control unit.
For information regarding the power sup-
ply, see page 60.
Preparing for installation
System example 2, ID: 4605170_1103_04
(cont.)
5604 692 GB
