Airedale OnRak 3kW 35kW - Manual (Page 51)

IT Cooling LogiCool
™ OnRak
IT Cooling
51
Technical, Installation and Maintenance Manual :6912497 V1.5.0 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 returned to
Airedale technical support to validate warranty.
CAUTION All work MUST be carried out by Technically Trained and competent personnel.
The equipment contains live electrical and moving parts, Isolate prior to maintenance or
repair work.
General Visually inspect the unit for any mechanical damage that could have occurred during
installation.
Applying Mains
Voltage Apply mains electrical supply to the unit.
Check the mains incoming voltage (230 Volts) carry this procedure out with all MCB’s
turned off.
Turn on the MCB that supplies the transformer. Measure both the primary and secondary
tapping. (230 Volts and 24 Volts respectively)
Turn on the remaining MCB.
Turning Unit On Use the display to turn the unit on.
Using the display to enter maintenance mode. Within the parameters sub menu increase/
decrease the fan output voltage. Check the current and fan speed with the unit running at
full output. Record on commissioning sheet.
3 Way Chilled Water
Valve Check that the chilled water valve operates correctly and delivers water to the coil when
the microprocessor is calling for cooling.
Check that the valve goes into bypass with no demand or when in alarm.
2 Way Chilled Water
Valve Check that the chilled water valve operates correctly and delivers water to the coil when
the microprocessor is calling for cooling.
Check that the valve shuts off water with no demand or when in alarm.
Solenoid Valve Ensure that the solenoids de-energise on alarm (making them close).
Resetting Alarms Reset any alarms to ensure correct alarm monitoring.
Door Open Alarm Ensure that the Door open alarm is activated when the door is opened, following delay.
Leak Detection Alarm Check that the leak detection alarm operates. Apply a small controlled leak to verify that
the alarm operates.
Dual power Supply Check that the two power supplies are live. Ensure that the Dual power supply LED
illuminate with correct power source.
Uninterrupted Power
Supply The UPS requires charging for a period of 8 hours before the internal battery can supply
the rated backup time. The UPS charges the battery as soon as it is connected to the AC
power supply.
Following its initial charge the UPS can be changed over to operate on battery power.
During battery operation an audible alarm beep will sound every 10 seconds. Low battery
warning the alarms beeps every 3 seconds. Automatic shutdown is imminent.
Upon return of AC input power the UPS will restart automatically (unless the restart
function has been disabled via UPS personalisation).
Static Transfer Switch The static transfer switch is to be commission as per the manufacture r’s instructions.