20
Subject to technical amendments without notice | 83050700gUK – Translation of the original operating manual | ait-deutschland GmbH
Then, on the opposite side, latch the
lugs on
the masking plate
from the bottom up
into the
slots provided in the front panel.
Finally, press the upper latching lugs of the mask-
ing plate into the slots provided in the front panel.
27.2 Dismantling the masking plate
In order to dismantle the masking plate, the latching
lugs must be completely released
on one side first
by
pushing
towards the middle of the masking plate
.
Then release the lugs on the opposite side.
28
Set the overflow valve
REMARQUE
The activities in this section are only neces-
sary for in-line tank integration.
Complete the worksteps quickly, otherwise
the maximum return temperature can be ex-
ceeded and the heat pump switches to high-
pressure fault.
Turn the adjusting knob at the overflow valve
to the right to increase the temperature diffe
-
rence (the temperature drop), turn it to the left
to reduce it.
System is running in heating mode (ideally in cold
condition).
In case of low heating curve: Set the system to
“Forced heating”.
Operating manual of the heating and heat
pump controller.
Shut off valves to the heating circuit.
Ensure that the total flow is routed via the over
-
flow valve.
Read out the flow and return temperature at the
heating and heat pump controller.
Operating manual of the heating and heat
pump controller.
Turn the adjusting knob (1) of the overflow valve
(2) until the temperature drop between the flow
and return temperature is set as follows:
Heat source
temperature
Recommended
settings
10 °C
9 K
1 Adjusting knob
2 Overflow valve
Open valves to heating circuit.
Reset the heating and heat pump controller.
