Lennox VE2C009N432U, Installation Manual, Page: 27 / 32

Multi Variable Air Conditioners Two-way Cassette Type Indoor Unit
22
NOTES:
①
The type of indoor units must be the same if they are controlled by the same wired
controller.
②
When the indoor unit is controlled by two wired controllers, the addresses of the two
wired controllers should be different through address setting. Address 1 is for main wired
controller; Address 2 is for slave wired controller. Detailed setting please refer to the
owner’s manual of wired controller.
6 Routine Maintenance
WARNING:
①
Do turn off the un it and cut off the main power supply when cleaning the air conditioner to
avoid electric shock or injury.
②
Stand at solid table when cleaning the unit.
③
Do not clean the unit using hot water of over 45°C to prevent the unit from losing color or
deforming.
④
Do not dry the filters by fire, or it may catch fire or become deformed.
⑤
Clean the filter with a wet cloth dipped in neutral detergent.
⑥
Please conta ct after-sales service staff if there is abnormal situation.
6.1 Cleaning of Filter
(1) Remove the air filter on the air inlet for cleaning. Use a dust catcher or water to clean it. If
the filter is very dirty (e.g. greasy), you can clean it using warm water (below 45°C) that is
mixed with mild detergent. Then let it dry naturally in cool places.
(2) If the air conditioner is used in dusty place, please clean the air filter regularly (generally
once every 2 weeks).
6.2 Maintenance Before The Seasonal Use
(1) Check if the air inlet and air outlet of indoor and outdoor unit are blocked.
(2) Check if the grounding wire is in good condition.
(3) Check if all the power cord and communication cable are securely connected.
(4) Check if any error code displayed after energized.
6.3 Maintenance After The Seasonal Use
(1) Set the unit in fan mode for half a day in a sunny day to dry the inner part of unit.
(2) When the unit won’t be used for a long time, please cut off power supply for energy
saving. the characters on the wired controller screen will disappear after cutting off the
power supply.