Maintenance - Hitachi RAK-25PSEW Handbuch

MAINTENANCE

WARNING
• Before cleaning, stop unit operation with the remote controller and turn off the circuit breaker.
CAUTION
• Do not expose the unit to water as it may cause an electric shock.
• For cleaning inside the air conditioner, consult your sales agent.
• Avoid using detergent when cleaning the heat exchanger of the indoor unit. Unit failure may result.
• When cleaning the heat exchanger with a vacuum cleaner, make sure to wear gloves so as not to injure
your hands on the heat exchanger fins.
Maintenance of dust box
• No daily maintenance is required. However, dust amount varies
depending on the environment in which the air conditioner is
used. Check the dust amount in the Dust Box approximately
once every half year and throw the dust, if any.
• Some type of dust may be accumulated on the rear surface of
the dust catcher.
It is recommended to clean the dust catcher together with the
dust box.
Stop the operation with the remote controller
1
and turn off the circuit breaker.
2
Wash the dust box with water.
• If the dirt is stubborn, wash the dust box with warm
water below 40°C.
• After washing, dry it in the shade.
3
Turn on the circuit breaker.
Dust box
- 7 -