Airedale BluCube 10-48kW - Manual (Page 65)

Condensing Units BluCube
™
Condensing Units
65
Installation and Maintenance Manual 7222094: 11/2013
Commissioning
Control Circuit Checks Please refer to the Airedale matched indoor unit manual for further details.
Cooling Only & Heat Pump 1. Disconnect the compressor power wiring from the compressor contactor. Switch
on mains power.
2. Check status of the Alarm output on the microprocessor, refer to information
provided with unit.
3. Select Cooling mode on the indoor unit and check for continuity between the
cooling signal on the microprocessor.
4. The compressor contactor should pull in.
5. De-select Cooling mode on the indoor unit and check for no continuity between
the cooling signal on the microprocessor.
6. The compressor should switch off.
Heat Pump Units Follow steps 1-6 above and then check heating operation as described below:
1. Select heating mode on the indoor unit and check for continuity between the
heating signal and the microprocessor.
2. Check status of the microprocessor; refer to information provided with unit.
3. The compressor contactor should pull in.
4. The compressor should switch on. The reversing valve should activate changing
the unit from cooling to heating mode. Refrigerant may travel to different parts of
the system (it may produce a whoosh noise when this occurs; this is normal)
when the valve is activated.
5. De-select heating mode on the indoor unit and check for no continuity between
the heating signal and the microprocessor. (the reversing valve will again
change positions)
6. The compressor contactor should drop out.
7. Switch off mains power and reconnect compressor power wiring.