Daikin Emura 3 Series, Service Manual

Page: 73 / 100

6 | Maintenance
Service manual
73
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04 – 2022.04
6.3 To clean the indoor unit heat exchanger in extreme condition
When cleaning the indoor unit heat exchanger (contaminated by cooking oil, …),
make sure to:
▪ Use proper field supply cleaning agent which is suitable for cleaning heat
exchangers and drain pans.
▪ Clearly follow the instructions of local supply cleaning agent and to NOT use
household cleaning agents.
▪ Rinse the heat exchanger and drain pan with water after the cleaning process.
CAUTION
Rinse out the cleaning agent until there is NO cleaning agent left. Otherwise, the
corrosion of heat exchanger and drain pan may occur. Pay attention to the cleaning
agent that may also corrode other materials of the indoor unit (Aluminium, copper,
plastic, ABS, …).
Is the problem solved? Action
Yes No further actions required.
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
6.4 To clean the indoor unit and wireless remote control
WARNING
Improper detergents or cleaning procedure may cause damage on plastic
components or water leakage. Splashed detergent on electric components, such as
motors, may cause failure, smoke or ignition.
NOTICE
▪
Do NOT use gasoline, benzene, thinner, polishing powder or liquid insecticide.
Possible consequence: Discoloration and deformation.
▪
Do NOT use water or air of 40°C or higher. Possible consequence: Discoloration
and deformation.
▪
Do NOT use polishing compounds.
▪
Do NOT use a scrubbing brush. Possible consequence: The surface finishing peels
off.
▪
As an end user, you may NEVER clean inside parts of the unit by yourself; this
work must be performed by a qualified service person. Contact your dealer.
DANGER: RISK OF ELECTROCUTION
Before cleaning, be sure to stop the operation, turn the breaker OFF or pull out the
supply cord. Otherwise, an electrical shock and injury may result.
1 Clean with a soft cloth. If it is difficult to remove stains, use water or a neutral
detergent.
draft – 22/04/2022 08:50