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8. Malfunctions / Troubleshooting
Caution!
Work on the hot water heat pump may only be performed by competent persons! Accident prevention
regulations must be adhered to!
Heat pump fails to run !
Please check whether
(Notice for the expert:
Heat pump switches off prematurely
Please check whether
Condensate fails to drain (
Please check whether
If the malfunction cannot be corrected based on the above questions, please consult your installer or
customer service .
Decommissioning
9.
Activities to be performed:
•
Disconnect HPWH from the power source.
•
Completely shut off water circuit (hot water, cold water and circulation line) and drain the 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 HPWH.
Ö Ö Ö Ö
the plug is plugged in
Ö Ö Ö Ö
the power switch is switched on
Ö Ö Ö Ö
the switches on the remote control are switched on
Ö Ö Ö Ö
voltage is present at the wall outlet
the air intake temperature is ≥ 14°C
Ö Ö Ö Ö
Ö Ö Ö Ö
the hot water temperature has already reached 58°C (or more)
Ö Ö Ö Ö
has the internal appliance fuse tripped ? )
(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)
water at or under the unit
Ö Ö Ö Ö
the sealing lip valve at the end of the condensate hose is contaminated or
clogged; clean it, necessary. The valve can be easily removed and reinstalled.
Ö Ö Ö Ö # # # # the air supply / air discharge rate is greatly reduced (kinked airduct / clogged
air filter)
( for the user )
)
15
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