Equipment Required - Viessmann VITOCAL 222-G Installation And Service Instructions Manual

Preparing for installation
System example, ID: 4605445_1104_01

Equipment required

Pos. Description
Heat source
1 Compact heat pump:
2 ■ Integral heat pump control unit
■ Primary pump
■ Secondary pump
■ 3-way diverter valve for "Heating/DHW"
■ DHW cylinder
■ Cylinder temperature sensor
3 Outside temperature sensor ATS
4 Instantaneous heating water heater
8
KM BUS distributor
qW Safety assembly
qE Heating circuit expansion vessel
Primary circuit
wP Brine accessory pack
wQ
Pressure switch, primary circuit
wW Brine distributor for geothermal probes/geothermal collectors
wU Geothermal probe/geothermal collector
DHW heating
eU Connection set with DHW circulation pump ZP
Heating water buffer cylinder
zP Heating water buffer cylinder
zQ Buffer temperature sensor PTS
zW Flow temperature sensor, system VTS
■ As immersion sensor
or
■ As contact sensor
12
(cont.)