Viessmann Vitocal 300-G Installation And Service Instructions Manual page 58

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Preparing for installation
System example 3, ID: 4605352_1008_01
Pos.
Description
q-R
3-way diverter valve
q-T
External extension H1
Note
The additional parameters for two-stage
operation are set during commissioning
by the certified heat pump contractor.
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 72 and the separate
service instructions, Vitotronic 200 heat
pump control unit.
58
(cont.)
For information regarding the power sup-
ply, see page 94.

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