10
180
200
+20
1 Condensate drain hose
2 Pressure hose connection (heating flow)
3 Pressure hose connection (heating return)
4 Connecting cables
5 Cable duct for connecting cables
6 Control panel with strain reliefs for connecting cables
7 Thermal insulation for flow and return pipes
8 Installation conduit for connecting cables and flow and return pipes
9 Coarse gravel back filling
10 Concrete foundation
17874
6
5
2
3
9
10
1 Condensate drain hose optionally
on the r.h. or l.h. front
2 Connection heating flow
3 Connection heating return
4 Cable entries for connecting
cables
5 Control panel with strain reliefs
for connecting cables
6 Safety equipment
1
5
4
6
3
2
Fig. 9
Fig. 10
26_03_01_306
26_03_01_0305
pressure drop values for the interconnecting
line, the heat pump and the WPKI 5. Base the
sizing of the circulation pump on the nominal
volume flow and the total pressure drop.
Heat meter
For the installation of a heat meter observe,
that most heat meters cause a substantial
pressure drop; therefore size the circulation
pump larger.
Heat pump WPL 7 WPL 10
Nominal volume flow m³/h 1.07 1.4
Pressure drop
Heat pump hPa 110 195
SBP 700 + WPKI 5 hPa 55
Pressure hose 1¼” hPa/m 3
3.5 Condensate drain
At the factory, a 3/4“ hose is fitted to the
defrost pan as condensate drain hose, which
terminates near the knock-out in the bottom
plate to the right of the refrigeration drive.
For external installation
In case of external installation, route this hose
– after removing the knock-out, downwards
out of the equipment (Fig. 7).
For internal installation
For internal installations route the defrost
water into a public sewer.
For this, the condensate drain hose can be
routed through the opening in the floor plate
and frame, and by removing the knock-out in
the bottom of the side panel to the right out of
the equipment (Fig. 10 and 11).
Ensure that the condensate drain
hose is not kinked anywhere over its
entire length and is routed with a slope.
Check after routing the hose that the
condensate drains correctly. For this, slowly
pour approx. 10 l water into the defrost pan.
The water must completely drain out of the
defrost pan.
Use a condensate pump if there is insufficient
fall.
Maximum condensate drain volume:
6 l/min.
Install the heat pump approx. 100 mm higher,
if the condensate pump PK 9 (for part no.,
see section 1.6) is used for draining the
condensate.
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