42-EN
41-EN
– 21 –
10
Maintenance
CAUTION
Before maintenance, be sure to turn off the
leakage breaker.
Cleaning of air
fi
lter
y
Clogging of the air
fi
lter reduce cooling / heating
performance.
Cleaning of panel and air
fi
lter
Preparation:
1. Turn off the air conditioner by the remote controller.
2. Open the air inlet grille.
y
Slide the hook of the air inlet grille outward, and
open the air inlet grille slowly while holding it.
Hook lock grille
Hook lock grille
Air inlet grille
Loosen
screw
Direction
to open
Direction
to open
Push
hook
Cleaning of air
fi
lters
If the air
fi
lters are not cleaned, it not only reduce the
cooling a performance of air conditioner but causes
a failure in the air conditioner such as water falling in
drops.
Preparation:
1. Stop the operation by remote controller.
2. Dismount the air
fi
lter.
Push and
Pull Air
fi
lter
from grille
Air inlet grille
Filter air
Use a vacuum cleaner to remove dust
from the
fi
lters or wash them with water.
y
After rinsing the air
fi
lters with water, dry them in the
shade.
y
Set the air
fi
lter into the air conditioner.
Clean the panel and air
fi
lter with water:
y
Wipe down the panel and air
fi
lter with a sponge or
towel moistened with a kitchen detergent.
(Do not use any metallic brush for cleaning.)
y
Carefully rinse the panel and air
fi
lter to wash out
the detergent.
y
After rinsing the panel and air
fi
lter with water,
dry it in the shade.
1. Close the air inlet grille.
y
Close the air inlet grille, slide the hook inward, and
fi
x the air inlet grille securely.
Hook lock grille
Hook lock grille
Air inlet grille
Loosen
screw
Direction
to close
Direction
to close
Push
grille
2. Turn on the circuit breaker, then push the
button
on the remote controller to start operation.
CAUTION
y
Do not start the air conditioner while leaving the
panel and air
fi
lter removed.
REQUIREMENT
Be sure to clean the heat exchanger with
pressurized water.
If a commercially available detergent (strong
alkaline or acid) cleaning agent is used, the surface
treatment of the heat exchanger will be marred,
which may degrade the self cleaning performance.
For details, contact the dealer.
Wireless remote controller
(RBC-AX33UYP-E)
Test run (forced cooling operation)
REQUIREMENT
Finish the forced cooling operation in a short time
because it applies excessive strength to the
air conditioner.
T
How to perform forced cooling operation
1
When TEMPORARY button is pushed for
10 seconds or more, “Pi!” sound is heard
and the operation changes to a forced
cooling operation. After approx. 3 minutes,
a cooling operation starts forcedly.
Check cool air starts blowing. If the operation
does not start, check wiring again.
2
To stop a test operation, push TEMPORARY
button once again (approx. 1 second).
y
Check wiring / piping of the indoor and
outdoor units in forced cooling operation.
TEMPORARY
button
