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2VV.
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9. FAULTS REMOVAL
ATTENTION!
In case of power failure and subsequent recovery of the mains power supply, the unit returns to the state before such failure.
The unit always remembers the operating status and all setups. If you fail to find or remove the cause of the fault, or if the repair
requires intervention in the device, contact the authorised service
Electric heating overheat:
If the electric heating overheats, the safety thermostat is disconnected. Upon removing the cause of such overheat, it is necessary
to reset manually the safety thermostat located directly on the electric heater.
Location of the safety thermostat is indicated with
RESET mark in each unit
Replacing damaged belt of the rotary heat recovery unit
In case of damage, breakage, or wear exceeding the acceptable limit (slipping) of the belt, it is possible to buy a spare belt that will
be ready exactly for the wheel size.
The belt connects using an aluminium clamp
Replacement procedure:
1. Pull pout the „old” damaged belt from the heat recovery unit
2. Insert the aluminium clamp to one end of the belt
3. One end of the new belt is glued to the outer shell of the heat recovery unit wheel using the tape
4. Turn it around until the end will show
5. The belt end is then detached from the wheel shell and both ends are connected using the clamp (already inserted in one end)
6. Tighten the belt using a driving pulley