28
of 53
Procedure
Cut off the power supply. Take air conditioning
off from the cabinet door or side.
1
，
，
，
，
Mechanical Cleaning
（
（
（
（
recommended cleaning method
）
）
）
）
1-1
Open the units cover, use a vacuum cleaner
very careful clean-up the dust. Especially at: air
ducts, condenser and evaporator fan, Con-
denser and evaporator coil. Then use pressur-
ized air/brush to remove/loosen dust that the
vacuum cleaner could not remove. Then use a
vacuum cleaner to remove the remaining matter
1-2
You should finished all the items in the below check list. Then perform a test simu-
lating all temperatures within the specified temperature range.
Содержание DCU22-2000DH
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Страница 52: ...52 of 53 Wiring diagram...
