Sanyo CL4232 User Manual download pdf (Page 60)

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SM830078

12. SERVICE PROCEDURES

11) Poor Cooling

12) Excessive 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 ?

1040_X_S

• Measure temperatures of suction

and discharge air of indoor unit.

Change installation

position of remote

control unit.

Insulate wide tube and

then execute taping with

narrow tube.

YES

NO

Possibility of

refrigerant

shortage.

Charge

refrigerant

(R22).

Temperature

difference

is small.

YES

• Check clogging of air

filter.

Temperature difference between

suction and discharge air is

large enough (Approx. 10 deg. or more).

Clean filter.

Air filter is clogged.

Set fan speed to either

HIGH or MEDIUM.

• Is fan speed set to LOW ?

Reduce cooling load or

replace the unit with

higher cooling capacity.

• Review cooling load estimate,

if performance of air conditioner

is normal.

YES

• The set temperature is too low.

• Is the remote control unit installed

at a place where it can

detect the room temperature

properly ?

0637_X_S

Set the temperature to

higher value using

temperature setting

button of the remote

control unit.

Change installation

position of the remote

control unit.

YES

NO

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