INSTALLATION
Appliance handover
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12. Appliance handover
Explain the appliance function to users and familiarise them with
how it works.
Note
f Hand over these operating and installation instruc-
tions to the user for safe-keeping. All information in
these instructions must be closely observed. The in-
structions provide information on safety, operation,
installation and maintenance of the appliance.
13. Appliance shutdown
Material losses
Never interrupt the heat pump power supply, even out-
side of the heating season. Otherwise, system frost pro-
tection is not guaranteed.
The heat pump manager automatically switches the heat
pump to summer or winter mode.
!
Material losses
f Observe the temperature application limits and the
minimum circulation volume on the heat consumer
side (see chapter "Specification/ Data table").
13.1 Standby mode
To shut the system down, simply set the heat pump manager to
"Standby mode". This way, the safety functions that protect the
system remain enabled, e.g. frost protection.
13.2 Power interruption
If the system is to be isolated from the power supply permanently,
please observe the following:
Material losses
f If the heat pump is completely switched OFF and
there is a risk of frost, drain the system on the water
side.
14. Troubleshooting
WARNING Electrocution
f Before working on the appliance, isolate it from the
power supply at the terminal area.
Following disconnection from the power supply, parts of
the appliance may remain energised for 5minutes until
the inverter capacitors have discharged.
Note
f Please observe the instructions for the heat pump
manager.
Note
The following inspection instructions may only be carried
out by a qualified contractor.
Note
When you open the appliance, check the sealing tape.
The sealing tape is required for generating the necessary
negative pressure.
f Replace the sealing tape if required.
Note
The built-in fan must generate a negative pressure of at
least 30Pa.
f Check the negative pressure with a barometer on
the back of the appliance.
14.1 Removing the casing parts
Note
When you open the appliance, check the sealing tape.
The sealing tape is required for generating the necessary
negative pressure.
f Replace the sealing tape if required.
1.
2.
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f Remove the screws on both sides of the appliance.
f Slide the handles on both sides of the appliance along the
guide as far as they will go.
Removing the cover
1.
2.
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f Pull the cover forwards.
f Hang the cover down in front of the appliance.
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