Daikin FWM08CATV [6/32] Aintenance and cleaning
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Daikin FWM08CATV [6/32] Aintenance and cleaning

Daikin FWL01CAFN [6/32] Aintenance and cleaning
Installation and operation manual
3
FWV+FWL+FWM
Fan coil units
4PW17548-1B
MAINTENANCE AND CLEANING
For safety reasons before carrying out any maintenance or cleaning
operation, switch off the unit turning the selection switch to "Stop"
and the power supply switch on position 0 (OFF).
Maintenance
Be careful during any maintenance operation; you could get injured
by some metal parts; use protective gloves.
The units do not require any particular maintenance operation: only
the periodical cleaning of the air filter should be carried out.
It is necessary to carry out a running in period of 100 hours in order
to eliminate all mechanical friction.
The starting up must be carried out at the maximum speed.
For good operation of the units follow the instructions below:
■ keep the air filter clean;
■ do not pour liquids into the unit;
■ do not introduce metal parts through the air outlet grill.
■ keep the air inlet and outlet free at all times.
Each time the machine is turned on after being idle for a long
period, ensure there is no air in the heat exchanger.
Before using the unit for air conditioning, check that:
■ condensate drainage is performed correctly:
■ the heat exchanger fins are not obstructed by deposits of dirt.
If necessary clean the fins with low pressure compressed air
or steam without damaging the fins.
Cleaning
Clean the filter at least once a month and in any case before using
the unit (before the heating or the air conditioning season).
For cleaning the air filter proceed as follows (figure 7)
■ model FWV
turn the screws that secure the filter to the cover cabinet 90° and
remove the filter,
■ model FWL
remove the air filters that are inside the intake grids located on
the front panel of the cover cabinet,
■ concealed model FWM
reach the unit through the inspection panel and remove the filter,
turning the locking brackets 90°,
■ clean the filter with lukewarm water, or in case of dry dust, clean
the filter with compressed air,
■ reassemble the filter after having it dried up.
It is recommended to replace the air filter yearly, and to use original
spare parts. The unit model name is stated on the nameplate located
on the side panel of the basic unit.
To clean the unit cabinet proceed as follows:
■ use a soft cloth;
■ do not pour any liquid on the unit, as this could cause
electrical shocks or damage the components inside it;
■ do not use any aggressive chemical solvents; do not use
very hot water to clean the air outlet grill.
DISPOSAL REQUIREMENTS
Dismantling of the unit should be done in accordance with the
relevant local and national legislation.
TROUBLESHOOTING
If the unit does not work properly first check the points reported in the
table below before requesting service. If the problem cannot be
solved contact your dealer or service centre.
Symptom 1: The unit does not run at all
Symptom 2: Poor cooling or heating performance
Symptom 3: The unit leaks
POSSIBLE CAUSES CORRECTIVE ACTION
Power failure Restore power
Leakage breaker tripped Contact service centre
The switch is on STOP ("0") position Turn ON the unit, select "I"
POSSIBLE CAUSES CORRECTIVE ACTION
Dirty or clogged air filter Clean the air filter
Obstacle near the air inlet or outlet Remove the obstacle
Air inside the heat exchanger Contact the installer
Doors and windows are open Close doors and windows
The unit is running at low speed Select medium or high fan speed
POSSIBLE CAUSES CORRECTIVE ACTION
The unit is not levelled Contact the installer
Drip tray is clogged Contact the installer
1D_I+OM_4PW17548-1B.book Page 3 Wednesday, October 5, 2005 9:04 AM

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I OM_4PWI7548 IB book Page 3 Wednesday October 5 2005 9 04 AM MAINTENANCE AND CLEANING DISPOSAL REQUIREMENTS For safety reasons before carrying out any maintenance or cleaning operation switch off the unit turning the selection switch to Stop and the power supply switch on position 0 OFF Dismantling of the unit should be relevant local and national legislation done in accordance with the TROUBLESHOOTING Maintenance Be careful during any maintenance operation you could get injured by some metal parts use protective gloves The units do not require any particular maintenance operation only the periodical cleaning of the air filter should be carried out If the unit does not work properly first check the points reported in the table below before requesting service If the problem cannot be solved contact your dealer or service centre Symptom 1 The unit does not run at all It is necessary to carry out a running in period of 100 hours in order to eliminate all mechanical friction The starting up must be carried out at the maximum speed For good operation of the units follow the instructions below keep the air filter clean POSSIBLE CAUSES CORRECTIVE ACTION Power failure Restore power Leakage breaker tripped Contact service centre The switch is on STOP 0 position Turn ON the unit select 1 Symptom 2 Poor cooling or heating performance do not pour liquids into the unit do not introduce metal parts through the air outlet grill POSSIBLE CAUSES keep the air inlet and outlet free at all times Dirty or clogged air filter Each time the machine is turned on after being idle for a long period ensure there is no air in the heat exchanger Before using the unit for air conditioning check that condensate drainage is performed correctly the heat exchanger fins are not obstructed by deposits of dirt If necessary clean the fins with low pressure compressed air or steam without damaging the fins Cleaning CORRECTIVE ACTION Clean the air filter Obstacle near the air inlet or outlet Remove the obstacle Air inside the heat exchanger Contact the installer Doors and windcws are open Close doors and windows The unit is running at low speed Select medium or high fan speed Symptom 3 The unit leaks POSSIBLE CAUSES CORRECTIVE ACTION The unit is not levelled Contact the installer Drip tray is clogged Contact the installer Clean the filter at least once a month and in any case before using the unit before the heating or the air conditioning season For cleaning the air filter proceed as follows figure 7 model FWV turn the screws that secure the filter to the cover cabinet 90 and remove the filter model FWL remove the air filters that are inside the intake grids located on the front panel of the cover cabinet concealed model FWM reach the unit through the inspection panel and remove the filter turning the locking brackets 90 clean the filter with lukewarm water or in case of dry dust clean the filter with compressed air reassemble the filter after having it dried up It is recommended to replace the air filter yearly and to use original spare parts The unit model name is stated on the nameplate located on the side panel of the basic unit To clean the unit cabinet proceed as follows use a soft cloth do not pour any liquid on the unit as this could cause electrical shocks or damage the components inside it do not use any aggressive chemical solvents do not use very hot water to clean the air outlet grill Installation and operation manual 3 DAIKIN FWV FWL FWM Fan coil units 4PW17548 1B

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