Airedale EasiCool 6kW 64kW - Manual (Page 8)

EasiCool™ EZRE Precision Air Conditioning
8 EasiCool EZRE Operational Manual 7610207 V1.0.0_02_2013
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CAUTION
ALL work MUST be carried out by technically trained competent personnel.
The equipment contains live electrical and moving parts, ISOLATE prior to maintenance or repair work.
Pre Start Checks
Crankcase Heater
The compressor crankcase heaters must be energised for a period of 8 hours before the unit can be started.
This is to ensures that liquid refrigerant has not condensed in the compressor during its off period.
Compressors cannot pump liquid and damage will occur if it does.
Check that the crankcase heater is operating correctly.
Shut Off Valves
All shut off valves must be opened prior to starting unit.
Electrical Power Supply
The power supply to the unit must be correct to design. The three phase power must be of correct phase orientation.
IMPORTANT
Check phase rotation of electrical supply prior to running the compressor as the compressor is direction sensitive.
Visual Inspection
Check that the unit is of satisfactory condition and that it’s not damaged.
CAUTION
A damaged component could indicate a reason why the unit is not operating. Refrigerant leaks etc.
Electrical Overloads
Check that circuit breakers are all turned on. If not investigate why they have tripped. This could be the reason why the
unit is turned off.