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6
Service and maintenance
For safety reasons, switch off the unit before carrying out any
maintenance or service activities.
The service and maintenance activities which are mentioned in this
paragraph may only be carried out by the installer or service company.
Danger: electric shock
See
"Precautions for installation" on page
Danger: high temperature
See
"Precautions for installation" on page
Notice
Do not pour any liquid on the fan coil unit. This could
damage the components inside it.
Service and maintenance
6.1.
Maintenance tasks
Cleaning the air filter
Clean the filter when necessary. Clean the filter at least once every 6
months. If the unit is installed in a room where the air is extremely
contaminated clean more often.
If it becomes impossible to clean, replace the air filter with an original
spare part.
To clean the air filter:
1
Switch off the power supply.
2
Push both knobs simultaneously and carefully lower the grill.
The suction grill is now opened.
See figure 18: "Opening the suction grill"
3
Pull the hook of the air filter out diagonally downward and remove
the filter.
See figure 20: "Detaching the air filter"
4
Use a vacuum cleaner or wash the air filter with water.
When the air filter is very dirty, use a soft brush and neutral
detergent.
See figure 22: "Cleaning the air filter"
5
Fix the air filter.
Attach the air filter to the suction grill by hanging it to the projected
portion above the suction grill. Press the bottom of the air filter
against the projections on the bottom of the grill to snap the air
filter into its place.
See figure 23: "Fixing the air filter"
6
Close the suction grill.
Cleaning the suction grill
1
Switch off the power supply.
2
Push both knobs simultaneously and carefully lower the grill.
The suction grill is now opened.
See figure 18: "Opening the suction grill"
3
Open the suction grill 45 degrees and lift it upward.
The suction grill is now detached.
See figure 19: "Detaching the suction grill"
4
Pull the hook of the air filter out diagonally downward and remove
the filter.
See figure 20: "Detaching the air filter"
5
Wash the suction grill with a soft brush and neutral detergent and
dry thoroughly.
See figure 21: "Cleaning the suction grill"
6
Attach the air filter to the suction grill by hanging it to the projected
portion above the suction grill. Press the bottom of the air filter
against the projections on the bottom of the grill to snap the air
filter into its place.
See figure 23: "Fixing the air filter"
7
Close the suction grill.
FWC
Fan coil units
4PW64525-1B – 2014.03
6.2.
Service and maintenance
For detailed instructions on reparations of the unit, refer to the service
manual. Contact your local DAIKIN dealer to obtain the service
manual.
If the cause of the problem can not be found or more information is
needed, call your local DAIKIN dealer or the appointed service
company.
In case some part is damaged and needs to be replaced, call your
2.
local DAIKIN dealer or the appointed service company for a list of
available spare parts.
2.
Glossary
Glossary
7
Term
Accessories:
Applicable
legislation:
Circuit
breaker (fuse):
Dealer:
Field supply:
Installer:
Service
company:
Service and maintenance
Service to the unit
Information
Before starting the troubleshooting procedure, carry out a
thorough visual inspection of the unit and look for obvious
defects such as loose connections or defective wiring.
Glossary
Meaning
Equipment which is delivered with the unit and
which needs to be installed according to the
instructions in the documentation
All international, European, national and local
directives, laws, regulations and/or codes which
are relevant and applicable for a certain product or
domain
Safety device used in electrical installations to
prevent electric shock
Sales distributor for fan coil units and other DAIKIN
products
Equipment which needs to be installed according
to instructions in this manual, but which are not
supplied by DAIKIN
Technical skilled person who is qualified to install
fan coil units and other DAIKIN products
Qualified company which can perform or
coordinate the required service to the fan coil unit
Installation manual
12
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