Scope of Works

Our monthly servicing schedule of works is as follows:

Normal Preventative Maintenance Service of:

Chilled Water Air-conditioning Units

• Removal and cleaning of FCU Filters

• Check and lubricate all bearings

• Check and rectify all fan rotations

• Check and balance fans

• Check and clean all electrical panels

• Clean drain pans and condensate trays

• Chemical clean all condensate lines

• Check and rectify all controls cabling and programmes

• Check and rectify all programmes

• Verify correct operation of all machines

• Wash all outdoor units

• Check and clean all outdoor electrical panels

• Check and rectify all outdoor controls

• Repair any surface rust

• Check Cooling Tower for normal operation

• Lubricate Bearings

• Cooling Tower water treatment

 

VRV Units

 

Indoor Unit

• Check ambient/room temperatures and record.

• Remove and wash air filter

• Check indoor fan motor and clean air conditioners panels

• Check and clean condensate tray/drain

• Inspect bearings for noisy operation

• Check fan blade and clean

• Check condition of coil for corrosion and lint

• Inspect coil for built up of dirt

• Check control and operating switches

• Check individual remote controllers for any fault and report

• Check schedule timer and system configuration for all VRV units

• Check master/salve selection on controllers, set as required

• Check for malfunction code in the indoor PC boards, if any report

• Check all safety devices and see they are all operational

• Check inter-unit connection and transmission connection

• Check cooling efficiency and air flow for each indoor unit

 

 

Outdoor Unit

• Check external appearance for rust on condensing units

• Check and record high and low pressures

• Check and record amperages for all compressors

• Check compressor fitting for gas/oil leaks and report

• Check liquid and gas pipe connection

• Check system configuration on outdoor PC board

• Check inverter/standard compressor operation and record

• Check all safety devices and see they are all operational

• Check and clean fan blades

• Remove dirt and debris from fan inlet screen

• Inspect coils for built up of dirt

• Check pipe supports, receiver and suction line accumulator for corrosion

• Leak test the installation and inspect visually for leakage

• Check operating pressures

 

Split Type Air Conditioner - Wall mounted

• Clean indoor filters and wipe cover.

• Check operating temperature and pressure and record

• Brush coil and blower

• Check condenser for status

• Lubricate moving parts

• Check for wear and tear

• Check for corrosion

• Check motor temperature

• Check seals and motor bearing

• Check electrical wiring and terminals

• Check fan rotation

• Check for undue noise and vibration

• Check and clean condenser coils

 

Split Type Air Conditioner – Outdoor Unit

• Clean the coil (condenser) and wash with water and chemicals.

• Clean the condenser fan

• Clean compressor

• Check for undue noise

• Check the electrical components (capacitor, terminals etc)

• Check valves for leaks

• Check gas pressure and top up if necessary.

• Wipe outdoor unit.

• Check and clean all drain trays

• Status of machines – an inventory of all machines within the premise will need to be carried out before commencement of work and all defects identified before rectification

• works) may be undertaken. These will be charged separately from the service fee.