Installation/Servicing Tools; Maintenance - Toshiba RAV-SM802BT-E Installation Manual

11

INSTALLATION/SERVICING TOOLS

Tools
Tools
Gauge manifold
Charge hose
Electronic balance for
refrigerant charging
Torque wrench
(nominal diam.
1/4, 3/8, 1/2, 5/8)
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: Newly prepared (They are special requirements for R407C, separate from those for R22.)
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: Existing tools are available.
For the details of the tools, refer to the Installation manual of the outdoor unit.
12

MAINTENANCE

Cleaning of Return grille
Preparation :
1. Turn off the main power supply switch (or breaker) before the unit maintenance.
2. Dismount the Return grille.
Clean the Return grilles with water:
• Wipe down the Return 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.
• 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.
Use a vacuum cleaner to remove dust from the filters or wash them with water.
• After rinsing the air filters with water, dry them in the shade.
• Set the air filter into the air conditioner.
Applicable to R22 model
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Tools
Flare tool
(clutch type)
Gauge for projection
adjustment
Vacuum pump
adapter
Gas leak detector
CAUTION
28
Applicable to R22 model
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