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8.3 Cleaning the Air System
Evaporator, ventilator and condensate outflow should be cleaned
of contamination (leaves, twigs, etc.) before each new heating
period.
ATTENTION!
Before opening the device, ensure that all circuits are isolated from the
power supply.
To prevent the evaporator and the condensate tray from being
damaged, do not use hard or sharp objects for cleaning.
Under extreme weather conditions (e.g. snow drifts), ice may
form on the air intake and air outlet grids. If this happens, the ice
must be removed in the vicinity of the air intake and air outlet
grids to ensure that the minimum air flow is maintained.
To ensure proper drainage from the condensate tray, it must be
regularly inspected and cleaned, if necessary.
All panelling can be removed to allow accessing the inside of the
device. Note that the upper covers can only be removed after the
lower covers have been taken off.
The two sash fasteners must be opened for this purpose. The
cover must then be slightly tilted forward and lifted off toward the
top.
3.
2.
1.
3.
1.
2.
Opening the lower covers
The lateral and rear panels are hooked into the cover panel. Loo-
sen the two screws for dismantling and unhook the panels by pul-
ling them back.
2.
3.
3.
1.
1.
Opening the lateral and
rear cover panels on top
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1.
2.
3.
1.
2.
3.
Closing the lower covers
1.
1.
1.
2.
2.
Closing the lateral and
rear cover panels on top
The cover panels on the ventilator side can be dismantled after
the two upper lateral side panels have been removed. Loosen
the screws for this purpose, slide the panel slightly to the right or
left and then lift it off towards the front.
2.
3.
2.
1.
1.
Opening the upper front covers
8.4 Maintenance
Refrigerating circuits with a minimum refrigerant quantity of 3kg,
or "hermetically sealed" refrigerating circuits with a minimum re-
frigerant quantity of 6 kg must be tested for leaks yearly by the
operator according to regulation (EC) No. 842/2006.
The leak test is to be documented and archived for a minimum of
5 years. The test is to be carried out by certified personnel only
according to regulation (EC) No. 1516/2007. The attached table
can be used as a basis for the documentation.
9
Faults / Trouble-
Shooting
This heat pump is a quality product and designed for trouble-free
and maintenance-free operation. In the event that a fault should
occur, it will be indicated on the heat pump manager display.
Simply consult the Faults and Trouble-Shooting page in the ope-
rating instructions of the heat pump manager. If you cannot cor-
rect the fault yourself, please contact your after-sales service
technician.
ATTENTION!
Any work on the heat pump may only be performed by authorised and
qualified after-sales service technicians.
10 Decommissioning /
Disposal
Before removing the heat pump, disconnect it from the power
source and close all valves. Observe all environmentally-relevant
requirements regarding the recovery, recycling and disposal of
materials and components in accordance with all applicable
standards. Particular attention should be paid to the proper dis-
posal of refrigerants and refrigeration oils.
10
2.
1.
2.
3.
3.
Closing the upper front covers
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