Airedale Ultima Compact UCC 360 [41/53] Chillers ultima compact

Airedale Ultima Compact UCC 360 [41/53] Chillers ultima compact
Chillers ULTIMA COMPACT
Chillers
Installation & Maintenance : 903-129 IM E 10/04/
C
41
Commissioning Procedure
GENERAL
To be read in conjunction with the commissioning sheets provided, items highlighted
should be recorded.
CAUTION
Please ensure all documents have been completed correctly and return to Airedale
Technical Support immediately to validate warranty.
PRE COMMISSIONING CHECKLIST
ALL work MUST be carried out by Technically Trained competent personnel.
CAUTION
The equipment contains live electrical and moving parts, ISOLATE prior to
maintenance or repair work.
The door interlocking MCCB should be in the OFF position and the auxiliary alarm
contact from the MCCB should be linked out.
Ensure all items listed in the Pre commissioning section are complete.
RECORD
The unit should be visually inspected and any damage noted.
Secure commissioning gauges to the high side of the system, check for a
positive charge.
Check tightness of electrical components.
Check that the remote on/off switch (if fitted) is in the off position.
With the MCBs in the off position measure the incoming voltage.
Check Phase Rotation.
Check voltage at permanent supply.
Measure and record the primary (230V) and secondary (24V) voltages at each of the
transformers, adjust tapping if necessary and record on the
commissioning document.
Check all timer settings are correct.
Check Sump Heater (ensure this is switched on for a minimum of 8 hours prior to the
unit operation).
Check oil level of each compressor.
Check water filter is fitted.
Check design water flow is available.
Check flow switch and pump interlocks are fitted to the water system and wired
directly to the chiller.
Switch on the controls and individual circuits, primary and secondary, MCBs to the
ON position. At this stage the control display panel should be illuminated.
Record Optional Extras.
Record Controller Data.
Disable remote ON/OFF to ensure the unit does not start unintentionally.
CAUTION
The chiller will not start until microprocessor control SWITCH 1 is in the ON
position. DO NOT SWITCH TO ON AT THIS STAGE
Adjust the water temperature supply and return set points (if necessary) to call for
100% cooling (refer to the
Controls section).
Ensure all KNOBS and SWITCHES are adjusted to suit the design requirements
(refer to the
Controls section).
To switch the unit ON, use the microprocessor keypad as follows:
Press
Prg
, press , press , press & finally .
CAUTION
There will always be a delay between the enabling of the unit and the energising of
the compressor contactors, anything between 1 to 2 minutes. Be patient.

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