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8.4 Maintenance after Seasonal Use
Cut off main power supply of the unit.
Clean filter screen and indoor and outdoor units.
Clean the dust and sundries on the indoor and outdoor units.
In the event of rusting, use the anti-rust paint to stop spreading of rust.
8.5 Parts Replacement
Purchase parts from Lennox appointed service center or dealer if necessary.
NOTICE!
During airtight and leakage test, never mix oxygen, ethyne and other dangerous
gas into refrigeration circuit. In case of hazard, it's better to use nitrogen or refrigerant to
accomplish such test.
9 After-sales Service
In case the air-conditioning unit you bought has any quality problem or you have any
inquiry, please contact the local after-sales service agency designated by Lennox.
Warranty should meet the folowing requirements:
First run of the unit should be operated by professional personnel from Lennox appointed
service center.
Only Lennox manufactured accessories can be used on the machine.
All the instructions listed in this manual should be followed.
Warranty will be automatically invalid if fails to obey any item mentioned above.
Lennox
VRF Unit
