Daitsu FDLA-09, Installation, Operation & Service Manual

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Maintenance C.
General Maintenance C.1.
1. Installation and maintenance should be performed by qualified personnel who are familiar with local
codes and regulations, and are experienced with this type of appliance.
2. Confirm that the unit has been switched OFF before installing or servicing the unit.
3. A good general maintenance plan will prevent damage to and unexpected shutting down of the
equipment.
4. Dirty filters reduce air flow as well as unit performance. Therefore changing or cleaning the filters is very
important. Check the cleanliness of the filter and replace or clean as required monthly.
5. Coils should be cleaned with compressed air or water to remove dust, dirt or lint. They can be brushed
with a soft brush or vacuumed with a vacuum cleaner.
6. If the water coil is not being used during the winter season it should be drained, or an anti ‐ freezing
solution should be added to the water circuit to avoid freezing.
Monthly Maintenance C.2.
1. Inspect and clean the condensate drain pan to avoid any clogging of drainage by dirt, dust, etc. Inspect
drainage piping to ensure the proper condensate flow.
2. Check and clean the coil. Clean the coils with a low pressure water jet or low pressure air.
3. Clean and tighten all the wiring connections.
4. Drain out the water in the system and check for build up of mineral deposits.
Filter Cleaning C.3.
1.
Remove
the filter from the left or right side.
2. Clean the filter with a brush or with water.
3.
Replace the filter
by sliding it back in from the left or right.