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.
To Next Page
Loading...
