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Subject to change without notice | 83054400dUK – Translation into English of the original German operating manual | ait-deutschland GmbH
Set the overflow valve
REMARQUE
The activities in this section are only necessary
for in-line tank integration.
Complete the worksteps quickly, otherwise the
maximum return temperature can be exceeded
and the heat pump switches to high-pressure
fault.
Turn the adjusting knob at the overflow valve to
the right to increase the temperature difference
(the temperature drop), turn it to the left to re-
duce 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 overflow
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:
External temperature Recommended settings
-10 °C
4 K
0 °C
5 K
10 °C
8 K
20 °C
9 K
30 °C
10 K
Open valves to heating circuit…
Reset the heating and heat pump controller.
Commissioning
DANGER!
The unit may be commissioned only with
the air ducts and weather grille or rain
guard installed and with the covers closed.
NOTE.
The commissioning has to be in the heating
mode.
Carry out a thorough installation check and work
through the general checklist…
Manufacturer’s homepage.
By checking the installation you prevent damage to
the heat pump system, which could be caused by
work carried out improperly.
Check that…
•
clockwise rotary field
of the load power supply
(compressor) is ensured.
•
The heat pump
installation and assembly
have
been carried out according to the requirements
of this operating manual.
•
the electrical installation work has been
completed properly.
•
The power supply for the heat pump must be
equipped with an all-pole automatic circuit-
breaker with at least 3 mm contact spacing to IEC
60947-2.
•
The heating circuit is flushed, filled and thoroughly
vented.
•
All valves and shut-off devices of the heating
circuit are open.
•
All pipe systems and components of the system
are leaktight.
Carefully fill out and sign the completion report for
heat pump systems...
Manufacturer’s homepage.