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Closing the terminal area
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Position the cover on the appliance.
Secure the cover with the four screws.
12. Commissioning
A WPM heat pump manager is required to operate the appliance.
All necessary adjustments prior to and during operation are made
on this device.
Only qualified contractors may make the settings in the heat pump
manager commissioning report, commission the appliance and
instruct the owner in its use.
Carry out commissioning in accordance with these operating and
installation instructions, and the instructions for the heat pump
manager. Our customer support can assist with commissioning,
which is a chargeable service.
Where this appliance is intended for commercial use, the rules of
the relevant Operational Safety Ordinance must be observed at
commissioning. For further details, check with your local author-
ising body (e.g. TÜV).
12.1 Checks before commissioning
Before commissioning, check the following:
12.1.1 Heating system
- Have you filled the heating system to the correct pressure
and opened the quick-action air vent valve?
12.1.2 Temperature sensors
- Have you correctly positioned and connected the outside
temperature sensor and the return temperature sensor (in
connection with a buffer cylinder)?
12.1.3 High limit safety cut-out
At ambient temperatures below -15°C it is possible that the high
limit safety cut-out of the electric emergency/booster heater may
trip.
Check whether the high limit safety cut-out has tripped.
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1
26_03_01_1880
1 Electric emergency/booster heater
Remove the cause of the fault.
D0000035383
Reset the high limit safety cut-out by pressing the reset
button.
12.1.4 Power supply
- Have you correctly connected the power supply?
12.2 Using the appliance with an external second
heat generator
The appliance is factory set for compressor operation with an elec-
tric emergency/booster heater. If the appliance is operated in dual
mode with an external second heat generator, set the DIP switch
to compressor mode with an external second heat generator (see
chapter "Troubleshooting/ Checking the IWS DIP switch settings").
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