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ROUTINE

 SERVICING
  • Dismantle the front grille cover, air filter, water tray and cross blow fan and clean using pressurized water.

  • Vacuum / blow the condensate drain pipe.

  • Clean the evaporator coil fins using vacuum/blow/brush

  • Clean the condensing coil using a pressurized water.

  • Check the operating pressure and current.

  • Observe for normal working operation

GENERAL

SERVICING
  • Pump down the system and dismantle the fan coil unit alone (FCU/indoor unit)

  • Clean the FCU using a pressure washer (using of coil cleaner chemical if necessary only)

  • Vacuum/blow the condensate drain pipe.

  • Remove cover and clean the condensing coil fins using pressurize water (dismantle excluded)

  • Re-install the FCU, vacuum the refrigerant  system, leak test and refill the refrigerant if necessary

  • Check the operating pressure and  current

  • Observe for normal working operation

  • Additional charge for CU will impose:

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MAINTENANCE

CONTRACT
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  • Combine both Routine Servicing and General Servicing.

  • In a one year period, we will arrange for 3 routine servicing and 1 general servicing.

  • Much cheaper than buying one off.

  • Allows you to maintain your Air-Con for longer.

REPAIR

REFRIGERANT LEAK (COMMON)
  • Minor issues which can be repaired on site

  • Pressure leak test the unit/existing tubing using dry nitrogen gas to verify the leak.

  • Repair the leak without transporting to AEC workshop (refrigerant leaks that identified and can repair on site).

  • Flushing and vacuum the refrigerant system to remove dirt, moisture and leak test.

  • Refill the refrigerant based on the capacity/system required.

  • Check the operating pressure and current.

  • Observed for normal working operation.

     

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REPAIR

REFRIGERANT LEAK ( GENERAL )
  • Major issues which have to repaired in the workshop

  • Dismantle the FCU/CU and transport to AEC workshop for pressure leak
    test the unit/existing tubings using dry nitrogen gas to verify the leak
    (refrigerant leaks that unidenfied on site).

  • Repair the leak including brazing .

  • Flushing and vacuum the refrigerant system to remove dirt,moisture
    and leak test.

  • Top up the refrigerant based on the capacity/system required.

  • Check the operating pressure and current.

  • Observed for normal working operation.

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PRESSURE LEAK

& FUNCTIONAL TEST
  • Pressure leak test the refrigerant system on site / AEC workshop.

  • No leak was found in system.

  • Flushing and vacuum the refrigerant system to remove dirt, moisture and leak test.

  • Top up the refrigerant based on the capacity/system required. 

  • Check the operating pressure and current.

  • Observed for normal working operation.

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REPLACING

THE COMPRESSOR
  • Dismantle of condensing unit (CU / Outdoor unit) and transport to AEC workshop to a new compressor motor complete with cleaning, flushing using dry nitrogen gas, brazing, pressure test, vacuum the refrigerant
    system to remove dirt and moisture.

  • Supply and install new capacitor (for compressor motor only.) 

  • Top up the refrigerant based on the capacity/system required.

  • Check the operating pressure and current.

  • Observed for normal working operation.       

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PIPING WORKS

CONCEALED

  • Hacking of the wall to conceal the refrigerant piping, drain pipe (with
    insulation) and the conduit pipe for the wires inside the walls
    and ceilings.

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