Table of Contents
Advertisement
Maintenance
After season maintenance
Let the unit run in Fan mode for half a day in a
fine weather to dry completely the unit inside.
Turn off the unit and pull out
power plug.
There might be certain power
consumption even if unit is stopped.
Before season maintenance
Check if there are obstacles at inlet and outlet of indoor and outdoor unit,
whick will reduce unit efficiency.
Don't fail to attach air filter after making sure it is cleaned.
Dust will enter into unit causing damages or faults if it is
running without air filter.
To protect compressor at start, please connect external
power supply to the unit 12 hrs prior to starting. Also
please keep the power supply switch ON during the whole season.
Trouble shooting
Followings are not problems
Sound of water flowings are not
problems.
Sound of cracking is heard.
Smells are generated.
During operation, white fog or steam
comes out of indoor unit.
In cooling operation, unit switches to fan
operation.
Clean air filter and indoor unit,
cover outdoor unit after
cleaning.
POWER
SOFT
SWING
SET
DAMP
TEMP
ON
OFF
During unit start and operation or at stop, a swishing
or gurgling noise may be heard. This noise is
generated by refrigerant flowing in the system.
During unit operation, a cracking noise may be heard.
This noise is generated by the casing expanding or
shrinking because of temperatuer changes.
This is because the system circulates smells from
the interior air such as the smell of cigarettes or the
painting on the unit.
When unit is running at places like restaurant where
SOFT
POWER
dense edible oil fumeis always exist, this will happen.
SWING
DAMP
SET
TEMP
ON
OFF
To prevent frost from accumulating on indoor heat
exchanger, unit will switch to fan operation for a
while then resume cooling operation.
18
Advertisement
Table of Contents
