Balcar R410A service manual Removal of suction grille, 141, Tools

RAV-SM561, 801CT-E

RAV-SM1101, 1401CT-E

9 INSTALLATION/SERVICING TOOLS

Tools

Tools	Applicable to R22 model
Gauge manifold	o
Charge hose	o
Electronic balance for	¡
refrigerant charging
Torque wrench	o
(nominal diam.
1/4, 3/8, 1/2, 5/8)

Tools

Flare tool (clutch type)

Gauge for projection adjustment

Vacuum pump adapter

Gas leak detector

Applicable to R22 model

¡

— ——

¡

o

¡: Newly prepared (They are special requirements for R407C, separate from those for R22.) o : Existing tools are available.

For the details of the tools, refer to the Installation manual of the outdoor unit.

10 MAINTENANCE

Cleaning of Return grille

Preparation :

1.Turn off the main power supply switch (or breaker) before the unit maintenance.

2.Dismount the Suction grille.

Clean the Return grilles with water:

•Wipe down the Suction grille with a sponge or towel moistened with a kitchen detergent.

(Do not use any metallic brush for cleaning.)

•Carefully rinse the Return grille to wash out the detergent.

•After rinsing the Return grille with water, dry it in the shade.

CAUTION

•Do not start the air conditioner while leaving the return grille removed.

Cleaning of Air Filters

•If the air filters are not cleared, it not only impairs the cooling performance of air conditioner but causes a failure in the air conditioner such as water drops.

Preparation :

1.Turn off the main power supply switch (or breaker) before the unit maintenance.

2.Dismount the Return grille.

Removal of suction grille

Slide the suction grille fixing knobs (two positions) toward the arrow direction, and then open the suction grille.

Under the condition of suction grille opened, push the hook section of hinges (two positions) at the rear side, and then pull out the suction grille.

Pull out suction grille while pushing hook.

Hinge

Suction grille	Suction grille
fixing knob

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