Manual Operations
And Maintenance
Page 9
Manual Operations And Maintenance
3
Operation mode selection
Maintenance
While simultaneously operating two indoor units
or more, make sure the operation modes do not
conict with each other. The heat mode claims
precedence over all other modes. If the unit
intially started operates under heat mode, the
other units should operate under heat mode only.
For example: If the unit intially started operates
under cool (or fan) mode, the other units can
operate under any mode except heat. If one of
the units select heat mode, the other operating
units will stop operation and diplay ”--” (for the
units with display window only), or the Auto and
Operation indication light will ash rapidly, the
Defrost indication light will turn o, the Timer
indication light will remain on (for the units
without display window ), the Defrost and
Alarm indication lights (if applicable) will illuminate
and the Timer indication light will turn o (for the
If you plan to idle the unit for a long time,
perform the following:
1. Clean the indoor unit and air lter.
2. Select FAN only mode, let the indoor fan run
for a while to dry the inside of the unit.
3. Disconnect the power supply and remove
battery from the remote control.
4. Check components of the outdoor unit
periodically. Contact a local dealer or a
customer service centre if the unit requires
servicing.
When the air conditioner is to be used
again:
• Use a dry cloth to wipe o the dust
accumulated on rear air intake grille, in order to
avoid the dust blowing out from the indoor unit.
• Check that the wiring is not broken o or
disconnected.
• Check that the air lter is installed.
• Check if the air outlet or inlet isn't blocked after
the air conditioner has not been used for a long
time.
Suggestion: For the unit that adopts an Electric
Heater, when the outside ambient
temperature is below 0°C (32°F), we strongly
recommend keeping the machine plugged
in to guarantee it runs smoothly.
Optimal operation
To achieve optimal performance, please note the
following:
• Adjust the airow direction correctly so that it
is not directed at people.
• Adjust the temperature to achieve the highest
comfort level. Do not adjust the unit to
excessive temperature levels.
• Close doors and windows on COOL or HEAT
modes, or performance may be reduced.
• Use TIMER ON button on the remote controller
to select a time you want to start your air
conditioner.
• Do not put any object near air inlet or air
outlet, as the eciency of the air conditioner
may be reduced and the air conditioner may
stop running.
• Clean the air lter periodically, otherwise
cooling or heating performance may be
reduced.
• Do not operate unit with horizontal louver in
closed position.
NOTE: Before you clean the air conditioner, be
sure to switch the unit o and disconnect the
power supply plug.
or, the Operation indication light will ash rapidly
floor and standing types).
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