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INSTALLATION
Installation
4. Installation
1
2
3
4
5
6
7
8
9
10
1 Connector with ball shut-off valve
G 1 1/4 female thread heating flow
2 Safety valve 0.3 MPa
3 Temperature pressure gauge
4 Connector with gravity brake
5 G 1 1/4 male thread heat pump flow connector
6 Connector with ball shut-off valve
G 1 1/4 female thread heating return
7 Ball shut-off valve
8 Drain valve
9 G 1 1/4 male thread heat pump return connector
10 G 3/4 female thread expansion vessel connection
f Screw the kit components and the heating circuit pump
f
together and tighten by hand.
f Fit the components and the heating circuit pump on the
f
cylinder.
f Retighten the fittings.
f
f Fit the expansion vessel and the drain valve.
f
f Fit the heat pump flow and return to the heat pump.
f
WPKI 5
Note
The WPKI 5 safety valve must not be able to be isolated
from the heat source.
Note
When there is a danger of frost in alternative opera-
tion, a drain valve must be installed on site to drain an
external air source heat pump (WPL and connection
hoses).
Note
All shut-off devices are tightly sealed ball shut-off
valves.
f Only use an open-ended spanner (AF 8) to open
f
and close the ball shut-off valves.
4.1
Heating circuit pump (cylinder charging
pump)
A corresponding heating circuit pump can be selected based
on the characteristic curves for the pumps and the pressure
loss from the compact heat pump installation.
Depending on the heat pump type, we recommend a heating
circuit pump from the following table for a standard system.
Heating circuit pump for buffer cylinder
Heat pump
WPL 13 E, TTL 13 E
WPL 18 E, TTL 18 E
WPL 23 E, TTL 23 E
WPL 33 HT, TTL 33 HT
WPL 15 AC(S), TTL 15 ACS
WPL 20 A(C), TTL 20 A(C)
WPL 25 AC(S), TTL 25 AC
HPA-O 7-13 (C)(S) Premium
Heating circuit pump for DHW cylinder
Heat pump
WPL 13 E, TTL 13 E
WPL 18 E, TTL 18 E
WPL 23 E, TTL 23 E
WPL 33 HT, TTL 33 HT
WPL 15 AC(S), TTL 15 ACS
WPL 20 A(C), TTL 20 A(C)
WPL 25 AC(S), TTL 25 AC
HPA-O 7-13 (C)(S) Premium
UP 25/7.5 PCV
X
X
X
X
X
X
X
X
UP 25/7.5 PCV
X
X
X
X
X
X
X
X
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