Installation manual

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Integration of the Heat Pump in the Heating System 8.4.3
NOTE
The use of the DDV 32 compact manifold is recommended for heat pumps
with a heating water flow rate up to max. 2.5 m
3
/h.
Fig. 8.6: DDV 32 dual differential pressureless manifold for the connection of
the mixed heating circuit, external supplementary heating and
optional domestic hot water preparation.
Fig. 8.7: Integration of the dual differential pressureless manifold for the
heating operation and the domestic hot water preparation
Fig. 8.8: Volume flow - pressure drop diagram DDV 32
1
Heating connections
1 1/2“ internal thread
2
Heat pump connections
1 1/4" external thread
3
Auxiliary circulating pump/
Main circuit heat circulating
pump 1 1/4" external
thread
4
Buffer tank connections
1 1/4" internal thread
5
Hot water cylinder
connections 1 1/4" external
thread
6
Stop-cock
with check valve
7 Pressure gauge
8
Safety valve 3/4“ internal
thread
9
Tee joint for the mounting
of the expansion module
10 Check valve
11
Immersion sleeve for
return flow sensor
12 Insulation
13 Double nipples 1 1/4"
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