Airedale TurboChill FreeCool 200kW - 1830kW - Manual (Page 120)

120 Chiller Technical Manual 7525355 V1.1.0_04_2013
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Chillers TurboChill™ Air Cooled and FreeCool
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
Water Flow
Make sure that you have the correct water flow rate before turning the unit on. (Refer to commissioning documentation)
CAUTION
If the unit is operated without water the unit will be damaged.
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. A
permanent single phase supply (L4) provides power to the microprocessor and evaporator trace heater.
IMPORTANT
Check phase rotation of electrical supply prior to running the compressor as it’s 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. For example: A refrigerant leak 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 has turned off.