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Maintenance
To prolong the life of the unit, it is recommendable to program regular maintenance for the
equipment to be perfomed by knowledgeable and trained personnel.
Outdor heat exchanger
Outdoor heat exchanger must be checked and cleaned once every two months. Use a vacuum
cleaner with nylon brush to remove dust and debris from its surface. Expel dust through
compressed aire if available. Never use water to clean the heat exchanger.
Drain piping
On a regular basis, check the condition of all drain piping to verify it is free of obstructions and
that it does not show any signs of possible condensate leaking that could cause damages by
water.
Checking of the unit before the start of the season to confirm:
1. If the the entry/outlet of the indoor/outdoor unit is capped or obstructed
2. If the grounding cable is secured in place
3. If batteries of the wireless remote control unit have been replaced
4. If the filter mesh has been cleaned and placed once again in its position
5. After long periods of shutdown due to cold temperatures, open the main power breaker
during 8 hours before operating the unit in order to reheat the compressor crankcase
heater
6. If the indoor unit is securely installed
7. If something looks abnormal, contact your equipment installer
Maintenance at the end of the season:
1. Cut all power supply to the unit
2. Clean the filter mesh as well as both indoor and outdoor units
3. Remove dust and debris from both indoor and outdoor units
4. If oxidation is observed, use anti-oxidant paint to stop oxide propagation
Parts replacement
Acquire parts from your local Distributor Service Center.
NOTE: During leak tests, never mix oxygen, ethylene (acetylene) and other dangerous gases
inside the refrigerant circuit. Nitrogen must be used for leak testing.
Aftermarket service
If problems arise with the unit or if maintenance is required, contact your local service center or
distributor.
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Wall Unit
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