Poor Cooling - Sanyo SPW-X253G56 Service Manual

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Poor cooling

Check installation position
of remote control unit.
• Does cool air from air condi-
tioner reach remote control
unit directly ?
• Is wide tube between indoor unit
and outdoor unit insulated ?
• Measure temperatures of suction
and discharge air of indoor unit.
• Check clogging of air
filter.
• Is fan speed set to LOW ?
• Review cooling load estimate,
if performance of air conditioner
is normal.
YES
NO
YES
Temperature
difference
is small.
Temperature difference between
suction and discharge air is
large enough (Approx. 10 deg. or more).
Air filter is clogged.
YES
– 65 –
4. Service procedures
Change installation
position of remote
control unit.
Insulate wide tube and
then execute taping with
narrow tube.
Possibility of Charge
refrigerant refrigerant
shortage. (R22).
Clean filter.
Set fan speed to either
HIGH or MEDIUM.
Reduce cooling load or
replace the unit with
higher cooling capacity.
4
0636_X_S
SM830042