Stulz Down-flow Unit CCD200CW
Schedule Of Works:
Aces have undertaken an intensive investigation into faults with the above referenced unit. During this period, we undertook a unit strip down removed a majority of side panels ultimately identifying that one evaporator coil had failed. We also identified that one scroll compressor had also failed and requires replacement.
Works Carried Out:
- Attended site for quoted works to downflow unit in area 1.
- After investigation found unit had lost all its refrigerant due to evaporator coil had split so we isolated system then removed and replaced the coil.
- We also replaced the compressor and contacts as the old compressor was faulty and tripping the breaker.
- We left on pressure test overnight which held so we let the oxygen free nitrogen out the system then evacuated till 1.3 torr.
- We charged the system with 40kg of refrigerant.
- Powered back on to the system and carried out test all working, and no leaks found