Daikin FTXN25MV1B Technical Manual

Contents

Daikin FTXN25MV1B Technical Manual Manual pdf 41 page image

37Service & MaintenanceAir Filter1. Open the front panel.• Hold the panel at the recesses on the main unit (2 recesses on right and left sides) and lift it until itstops.Recess onmain unit2. Pull out the air filters.• Push a little upwards the tab at the center of each air filter, then pull it down.3. Clean or replace each filter.• When shaking off remaining water, do not wring the filter.4. Set the air filter and close the front panel.• Insert claws of the filters into slots of the front panel. Close the front panel slowly and push the panel atthe 3 points. (1 on each side and 1 in the middle.)• The air filter have a symmetrical form in the horizontal direction.FRONT• Don’t touch the metal parts of the indoor unit. It may cause an injury.• When removing or attaching the front panel, use a robust and stable stool and watch your steps carefully.• When removing or attaching the front panel, support the panel securely with hand to prevent from it falling.• For cleansing, do no use hot water above 40°C, benzene, gasoline, thinner, nor other volatile oils, polishingcompound, scrubbing brushes, nor other hand stuff.• After cleaning, make sure that the front panel is securely fixed.Pre Start Up Maintenance(After Extended Shutdown)p Inspect thoroughly and clean indoor and outdoor units.p Clean or replace air filters.p Clean condensates drain line.p Clean clogged indoor and outdoor coils.p Check fan imbalance before operation.p Tighten all wiring connections and panels.p Check for refrigerant leakage.Outdoor ModelsThe design of the MX-B outdoor series allows servicing to be carried out easily. The removal of the top, frontand side panels makes almost every part accessible.Under normal circumstances, these outdoor units only require a check and cleaning of air intake coilsurface once every 3 months. However, if a unit is installed in areas subjected to much oil mist and dust,the coils must be regularly cleaned by qualified Air Conditioner Service Technicians to ensure sufficient heatexchange and proper operation. Otherwise, the systems life span may be shortened.• Do not charge OXYGEN, ACETYLENE OR OTHER FLAMMABLE and poisonous gases into the unit whenperforming a leakage test or an airtight test. These gases could cause severe explosion and damage if exposed tohigh temperature and pressure.• It is recommended that only nitrogen or refrigerant be charged when performing the leakage or airtight test.