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Daikin FWR08AF [10/42] Cleaning

FWV+FWZ+FWL+FWR+FWM+FWS

Fan coil units

4PW17548-5

Installation and operation manual

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

Maintenance must only be carried out by an assistance

centre authorised by the manufacturer or by qualied

personnel

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 lter 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 lter 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 ns are not obstructed by deposits of dirt.

If necessary clean the ns with low pressure compressed air

or steam without damaging the ns.

Cleaning

The lter must only be cleaned by an assistance centre

authorised by the manufacturer or by qualied personnel

Clean the lter 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 lter proceed as follows (gure 7)

! model FWV and FWZ

turn the screws that secure the lter to the cover cabinet 90° and

remove the lter,

! model FWL and FWR

remove the air lters that are inside the intake grids located on the

front panel of the cover cabinet,

! concealed model FWM and FWS

reach the unit through the inspection panel and remove the lter,

turning the locking brackets 90°,

! clean the lter with lukewarm water, or in case of dry dust, clean

the lter with compressed air,

! reassemble the lter after having it dried up.

It is recommended to replace the air lter 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 rst 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

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”

Symptom 2: Poor cooling or heating performance

Possible causes corrective action

Dirty or clogged air lter Clean the air lter

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

Symptom 3: The unit leaks

Possible causes corrective action

The unit is not levelled Contact the installer

Drip tray is clogged Contact the installer

Units are marked with the following symbol:

This means that electrical and electronic products may not

be mixed with unsorted household waste.

Do NOT try to dismantle the system yourself: the

dismantling of the system, treatment of the refrigerant, of

oil and of other parts must be done by an authorized

installer and must comply with applicable legislation.

Units must be treated at a specialized treatment facility for reuse,

recycling and recovery.

By ensuring this product is disposed of correctly, you will help to

prevent potential negative consequences for the environment and

human health.

For more information, contact your installer or local authority.

Daikin FWR08AF [10/42] Cleaning

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