18
Thermann Installer's Manual
Heat Pump Water Heaters
Motor overload relay
The motor overload relay will shut down the compressor in the event of excessive thermal load.
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Remove the cause.
After a short cooling period, the motor overload relay will restart the compressor automatically.
Maintenance
WARNING Electrocution
Prior to all work on the appliance, isolate it from the power supply.
Removing the appliance cover
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4
0
6
2
1
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Undo the screw (Torx) that attaches the cover to the appliance.
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Push the cover upwards.
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2
2
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Carefully remove the cover.
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Undo the plug-in connection in the electrical cable that runs to the battery pack on the back of the
fascia.
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Carefully lift away the appliance cover and undo the earth cable that runs from the appliance control
panel to the cover.
Note
Refit the appliance cover after completing your work. See chapter "Maintenance and cleaning
/ Fitting
the appliance cover".
Removing the casing ring
Note
If you require more space to work inside the appliance, you can remove the casing ring on the upper
section of the appliance.