Viessmann VITOCAL 222-S Installation And Service Instructions Manual page 14

Preparing for installation
System example, ID: 4605418_1102_01
Pos. Designation
Heating circuit without mixer A1/HC1
oP Radiator heating circuit
oQ Remote control Vitotrol 200A (accessory)
oZ Heating circuit pump
Electrical installation scheme
For further information, an overview of
the electrical connections and more
details regarding the PCBs, see from
page 48 and service instructions for
the Vitotronic 200 heat pump control
unit.
14
(cont.)
For information regarding the power sup-
ply, see page 59.