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8.
Malfunctions / Troubleshooting
Caution!
Arbeiten an der Kühl-Brauchwasser Wärmepumpe dürfen nur von sachkundigen Personen ausgeführt
werden! Unfallverhütungsvorschriften sind zu beachten!
Heat pump fails to run !
Please check whether
Heat pump switches off prematurely
Please check whether
If the malfunction cannot be corrected based on the above questions, please consult your installer or
customer service.
9.
Decommissioning
Activities to be performed:
•
Disconnect HPCDW from the power source.
•
Completely shut off water circuit (supply and drain sides) and drain hot water storage tank.
10. Environmental Requirements
Environment-relevant requirements regarding the recovery, reuse and disposal of service fuels and components in
accordance with DIN EN 378 must be adhered to when repairing or decommissioning the HPCDW.
Ö Ö Ö Ö
the plug is plugged in
Ö Ö Ö Ö
the control switch is in the OFF position
Ö Ö Ö Ö
voltage is present at the socket
Ö Ö Ö Ö
the heat pump has been switched off by the temperature controller
Ö Ö Ö Ö
the domestic water temperature has already reached (or is less than) 18°C
(setpoint temperature has not been reached yet)
Ö Ö Ö Ö
airducts are kinked or their openings are closed, or
air filters that may be provided are severely contaminated (clogged)
Ö Ö Ö Ö
the temperature of the intake air lies above the permissible limit value (45°C)
12
( only for the user )
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