13
Pos.
Designation
Heat source
1
Internal unit, heat pump, Vitocal 222-S, type AWT-AC 221.A
2
Heat pump control unit Vitotronic 200, type WO1B
3
Outside temperature sensor ATS
4
Instantaneous heating water heater with control module (integral)
5
3-way diverter valve "Heating/DHW heating" (integral)
6
Secondary pump (integral)
qW
Safety assembly
8
KM BUS distributor (accessory)
qE
Heating circuit expansion vessel
Primary circuit
wU
Hot gas line
wI
Liquid line
wO
External unit of the heat pump Vitocal 222-S
DHW heating
eP
DHW cylinder (integral)
eQ
Cylinder temperature sensor STS (integral)
eU
DHW circulation pump ZP (accessory)
zP
Heating water buffer cylinder
zQ
Buffer temperature sensor PTS
zW
System flow temperature sensor VTS
Heating circuit with mixer M2/HC2 (KM BUS)
uP
Underfloor heating circuit/cooling circuit
uQ
Remote control Vitotrol 200A (accessory)
uE
Flow temperature sensor
uR
Temperature limiter to restrict the maximum temperature of underfloor
heating
■ as immersion thermostat
or
■ as contact thermostat
uZ
Heating circuit pump
uU
3-way mixer, heating circuit
Mixer motor of the 3-way mixer
q-T
Mixer extension kit
Active cooling function AC
qI
Frost stat 230 V
iE
Contact humidistat 230 V
iO
3-way diverter valve for "Heating/cooling"
Preparing for installation
System example, ID: 4605418_1102_01
(cont.)
5600 950 GB
Installation