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Subject to change without notice | 83053600fUK – Translation of the original operating manual | ait-deutschland GmbH
Example for heating variant:
A
H
000
J
zu
offen
zu
1 Return, domestic hot water
2 Return, hot water
3 Supply, hot water /
domestic hot water
4 Filling stop cock
5 Heat pump
6 Drain
Exchange hoses at filling and emptying taps and
flush condenser of the heat pump via return flow.
In addition, open the bleeding valve on the
condenser of the heat pump. Bleed condenser
and then close the bleeding valve again when
fully bled.
Insulating the hydraulic
connections
You must insulate the fixed piping of the heating
circuit, the connection pipes between the hydraulic
module and the heat pump and the connections of the
domestic hot water tank.
In (R) variant vapour diffusion tight
NOTICE
Insulate in accordance with applicable local
standards and directives.
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 dif-
ference (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: