What happens during an air conditioning service visit?

1. Remove cover from indoor unit and thoroughly clean filter and cover, inside and out, using specialist cleaner in accordance with Covid 19 guidelines.
2. Clean evaporator coil fins, clean fan motor and blades, using manufacturer specified cleaner.
3. Clean condensate drip tray and drain with water. Check operation of condensate pump, check strainer and non-return valve operation, if applicable.
4. Check all wiring and electrical connections on indoor unit, including thermostat and contactor contacts (if fitted).
5. Visual Inspection of PCB connections.
6. Check operation of supply fan on all speeds.
7. Check all pipework and connections on suction and liquid lines into indoor unit for visible signs of leaks or vibration. Repair or report as necessary.
8. Test unit on heating and cooling. Measure on and off coil temperatures.

1. Remove access covers and isolate electric supply. Brush clean covers, condenser coil fins, condenser fan motor and blades.
2. Check and tighten all electrical connections in isolator, unit junction box (including contactor contacts) and compressor terminal box. Pay attention to compressor push-on terminals.
3. Visually check all pipes and joints for signs of leaks or vibration damage. Especially where suction and liquid lines pass through the side of unit casing.
4. Check operation of crankcase heater (if fitted). NOTE: Crankcase heater may only operate when compressor has stopped if it is wired from auxiliary contacts on compressor contactor.
5. If condenser fan speed controller is fitted, check for correct operation.
6. Measure run current of compressor with amp probe.
7. Check for undue noise and vibration of compressor, pipework and fan motor and remedy if possible. Oil or grease fan bearings if necessary.
8. Check that suction and liquid line pipework and armaflex runs from Condenser unit to indoor unit where accessible.
9. Refit and secure unit cover and clean unit exterior.
10. Also, check on condition of insulation.
11. Report any unusual operating conditions or measurement.

One single split air conditioning system servicing will take approximately 2 hours.