Maintenance - Toshiba RAV-SM454MUT-E Installation Manual

Compact 4-way Cassette Type
Wireless remote controller
1
Remove a small screw which fixes the
nameplate of the receiver unit.
Remove the nameplate of the sensor section by
inserting a flat-blade screwdriver into the notch at
the bottom of the plate, and set the Dip switch to
[TEST RUN ON].
2
Execute a test operation with ON / OFF
button on the wireless remote controller.
• , , and LED flash during test operation.
• Under status of [TEST RUN ON], the
temperature adjustment from the wireless
remote controller is invalid.
Do not use this method in the operation other than
test operation because the equipment is
damaged.
3
Use either COOL or HEAT operation mode
for a test operation.
*The outdoor unit does not operate approx. 3
minutes after power-ON and operation stop.
4
After the test operation finished, stop the air
conditioner from the wireless remote
controller, and return Dip switch of the
receiver section as before.
(A 60-minutes timer clearing function is attached
to the receiver section in order to prevent a
continuous test operation.)
Receiver unit
Spacer
M4 × 25 screw
(2 pieces)
Small
screw
Nameplate
Notch
37-EN
Installation Manual
When a test run is not
performed properly
When a test run is not performed properly, refer to the
error code and the part to be checked on
"Troubleshooting".
Compact 4-way Cassette Type
– 19 –
10

Maintenance

<Daily maintenance>
▼ Cleaning of air filter
If is displayed on the remote controller, maintain the
air filter.
1
Push the button to stop the
operation, then turn off the circuit breaker.
After the cooling or dry operation, the fan keeps
running for self-cleaning. Push the
twice to stop the operation.
8
2
Open the air intake grille.
1) Loosen the fixing screw.
2) Slide the fixing bracket toward the outside.
Installation Manual
3) Slide the air intake grille buttons to detach the
air intake grille from the ceiling panel. Lower
the grille slowly whilst holding.
button
Air intake grille
1,7
knob
3
Take out the air filter.
• Push the extrusion of the air filter away from the
grille and remove.
Strap to
prevent falling
Air filter
4
Cleaning with water or vacuum cleaner.
• If dirt is heavy, clean the air filter using tepid
water with a neutral detergent or just water.
• After cleaning with water, dry the air filter
sufficiently in a shaded place.
Push
38-EN