INSTALLATION
Appliance shutdown
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WPL ICS classic | WPL IKCS classic |
23
If the "HEATING CURVE" parameter has been raised and outside
temperatures relatively high, adjust the zone valve or thermostatic
valve in the lead room to the required temperature.
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Material losses
Never reduce the temperature in the entire building by
closing all zone valves or thermostatic valves, instead do
this by using the setback programs.
Once everything has been implemented correctly, the system can
be heated to its maximum operating temperature and vented once
again.
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Material losses
For underfloor heating systems, observe the maximum
permissible system temperature for that particular un-
derfloor heating.
14.3.2 Other settings
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For operation with or without a buffer cylinder, see chapter
“Menu / SETTINGS / HEATING / STANDARD SETTING / BUFF-
ER OPERATION” in the WPM commissioning instructions.
Using the heat-up program
If you use the heat-up program, make the following settings on
the WPM:
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Initially set the "DUAL MODE TEMP HZG" parameter to 30 °C.
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Then set the "LOWER APP LIMIT HZG" parameter to 30 °C.
Note
After completing the heat-up process, reset the "DUAL
MODE TEMP HZG" and "LOWER APP LIMIT HZG" parame-
ters to their respective standard values or to the respec-
tive system values.
15. Appliance shutdown
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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.
15.1 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.
15.2 Power interruption
If the system is to be isolated from the power supply permanently,
please observe the following:
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Material losses
If the heat pump is completely switched off and there is a
risk of frost, drain the system on the water side.
16. Appliance handover
Explain the appliance function to users and familiarise them with
its operation.
Note
Hand over these operating and installation instructions
to users for safekeeping.
All information in these instructions must be closely ob-
served. The instructions provide information on safety,
operation, installation and maintenance of the appliance.
17. Troubleshooting
WARNING Electrocution
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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 2 minutes until
the inverter capacitors have discharged.
Note
Please observe the heat pump manager operating and
installation instructions.
Note
If faults occur on the appliance, they are shown in the
heat pump manager display.
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Isolate the appliance across all poles from the power
supply for one minute. If this faults occurs repeated-
ly, notify customer support.
Note
The following inspection instructions may only be carried
out by a qualified contractor.
If you cannot locate the fault using the heat pump manager, check
the control elements on the IWS.
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Remove the front panel from the appliance. The IWS is locat-
ed on the right, next to the terminal area.
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Read the following sections on troubleshooting and follow
the instructions.
