AIREDALE SmartCool D - Commissioning Procedures - Initial Checks; Pre-Commissioning Checks - Pressure Testing; Pre-Commissioning Checks - Triple Evacuation; Electrical Connection Checks

Precision Air Conditioning
SmartCool
TM
– D
Precision Air Conditioning
167
Installation, Maintenance and Commissioning Manual :6877419 02/2013
Commissioning procedure
General
To be read in conjunction with the commissioning sheets provided.
CAUTION
Please ensure all documents have been completed correctly and return to Airedale
Technical Support immediately to validate warranty.
Commissionin
g Checklist
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 Commissioning checks
Pressure test
Ensure that the system has been pressure tested for pipework soundness and leaks. This
not only ensures a correctly operating system but also reduces potential leaks in the
future.
Triple evacuation
A good evacuated system will reduce the potential of breakdown. Any moisture within
refrigeration systems can affect the oil within the unit, causing acid to form.
If the triple evacuation is proving to be difficult, where the evacuation levels keep
changing try changing the liquid line filter drier. Filter driers can trap and then release
moisture back into the system.
Don’t forget to check pipework integrity with a pressure test.
Electrical Connections
Prior to turning on the power supply to the unit ensure that all electrical connections are
tight and correctly terminated.
Solenoid Valve Heads
Ensure that any solenoid valve heads are re-attached if removed for evacuation
purposes. Failure to do so could cause the coils to burn out.
External Fuses/ MCB’s
Check that the correct electrical supply rating is available to the unit.
Electrical Continuity
Before electrical power is applied to the unit, Electrical continuity must be carried out on
the 3 phase power.
Phase Rotation
Check that the phase rotation is correct. Components in the unit will malfunction with
incorrect phase rotation. Check with a phase rotation meter.
Electrical Earthing
Check that the earth is correctly bonded.
Remote ON / OFF
To ensure that the unit does not start doing the pre-commissioning checks the remote
on/off should be in the OFF state.
Voltage
Measure the voltage at the following points and record on the commissioning sheet
• Voltage at main incoming
• Dedicated power supply
• Voltage at permanent supply
• Control voltage at transformer (min 22.5V, max 25V)
Commissioning