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MAINTENANCE
Service
CLEANING THE AIR FILTERS
Before inspection and maintenance of the unit, always
set the main power switch to “OFF” to cut off power sup-
ply.
• Unclip the grille from the front frame by turn the two crews
through 90º (1/4 turn)
• Swing the grille open and remove the air filter out off the
grille.
• Remove the air filter and clean by vacuum cleaner or if it is
very dirty, wash it with soap water then wipe off until it is
completely dry before reinstallation.
• Swing up the grille and lock by turn the two screw.
CLEANING THE UNIT
• Clean the air conditioner and the remote control with dry
cloth or a vacuum cleaner. If damp cloth is used, remove
moisture by using dry cloth afterward.
AT THE START OF THE SEASON
• Check that nothing blocks the air inlet and outlet of indoor
and outdoor units.
Running the unit without an air filter can cause malfunc-
tions due to dirt or dust . Always install anair filter at all
times.
Check that a drainage hose does not bend or clog.
Check that the units are properly installed.
DURING THE OFF SEASON
• Cut off the power supply main switch.
• Clean the air filter and other parts.
• Leave the circulation fan running to : 2-3 hous to dry out
the inside of the unit
If the air filter is dirty, it will cause the reduction of airflow,
the unit is overload and consume 6% more of electricity.
So regular cleaning is necessary.
Summary of Contents for CHD U-2T 1109
Page 6: ...6 UNIT DRAWINGS General CHD U 2T 506 706 CHD U 4T 506 706 CHD U 2T 809 1209 CHD U 4T 809 1209...
Page 17: ...17 ELECTRICAL CONNECTION Installation CHD 506 706 CHD 809 1209...
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