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3. MAINTENANCE
• Only a qualified person is allowed to perform mainte-
nance without daily maintenance.
• Before touching any of the connection wirings, be
sure to turn off all power supply switches.
• For installation of optional parts, only a qualifited
person is allowed to do so.
Be sure to use optional parts specified by the manufac-
turer. Installation in your own manner may result in wa-
ter leakage, electric shock or fire.
• Do not use flammable material (e.g. hair-spray or insec-
ticide) near the product.
• Only proceed with the unit cleaning after stopping the
operation and turning the power supply off.
Failure to do so may result in electric shocks or injury.
• Do not wash the heat pump or air handler with water.
Failure to do so may result in an electric shock.
• Consult with installation contractor for cleaning the
inside of the air handler.
Wrong cleaning procedures may break plastic parts or
cause water leakage or electric shock.
• Use a stable prep stand.
Pay extra attention when cleaning the air handler.
(Maintenance and inspection)
• Clean the drain pan periodically. The drain pipes clogged
with dust will cause water leakage.
• For cleaning, consult with your Daikin dealer. (Before each
season when cooling or heating is required, clean the air
handler.)
• If the area around the indoor unit is very dusty, use a
dust proof cover (local procurement).
(Cleaning the inside of the indoor unit)
• It is necessary to clean the inside of the indoor unit peri-
odically.
Since the cleaning requires special technologies, request
a Daikin dealer to clean them.
(Electric heater replacement interval)
• The electric heater should be replaced every ten years.
This replacement interval is a guideline for ensuring safe
and trouble-free operation of the product for many years.
(Cleaning the air filter)
• The air filter is an optional accessory.
EXPLANATION:
• Removing the air filter except when cleaning the air han-
dler may result in accidents.
• Replace the filter when one of the following messages
displayed on the bottom of remote controller screen.
- Time to clean filter & element
- Time to clean filter
• If using the air handler under very dusty environment,
increase the frequency of air filter cleaning.
• Reset the filter sign on main menu of remote controller.
Refer an operation manual of remote controller for de-
tail.
• Consult dealer to change filter setting time to display fil-
ter change alarm on remote controller screen. (The de-
fault factory setting is 2500 hours.)
• There are the following time, display pattern: 1250, 2500,
5000, 10000.
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