Airedale SmartCool 11-233kW - Manual (Page 176)

SmartCool
TM
- D Precision Air Conditioning
176
Precision Air Conditioning
Installation, Maintenance and Commissioning Manual :6877419 02/2013
3 Monthly
General 1 Check condition of filters - replace as necessary.
2 Check condensate drain is free from dirt or obstructions. Check water runs away freely.
3 Check humidifier operation and that the drain and bottle are both free from significant
debris/scale.
Refrigeration Circuits 1 Check the suction and discharge pressures using a service gauge manifold and compare them
with the commissioning sheet. If there is any significant variation, then the fault should be found
and corrected.
2 Check that the high and low pressure switches are cutting out the compressors at the correct
settings.
3 Ensure the fan head pressure controller is controlling the head pressure at the required setting
as shown on the commissioning sheets.
4 The gauges can then be removed from the system. Do not forget to replace the security caps on
the Schrader valves.
5 Check the compressor oil sight glass (if fitted) for correct oil level.
Controls 1 Check operation of control system.
2 Check any alarms registered and take action as necessary.
Electrical 1 Check all electrical connections for signs of overheating or arcing.
2 Check all cables for signs of chafing or physical damage.
Cabinet 1 Wash down cabinet using a mild detergent.
2 Treat any paint damage or rust as necessary.
6 Monthly As 3 monthly plus the following
1. Check and clean condensate pump reservoir and float switches. Unscrew the pump lid and check
the pump reservoir for debris or residue, clean out with clean tap water, DO NOT use detergent
2.
Check the 2.5mm purging hole in the impeller casing is clear and free of debris, to clear use a
narrow implement (2.5mm drill bit) to clear the blockage
3. Check the float switches are free running, if not, clean the shafts with a damp cloth
12 Monthly As 3 monthly plus the following:
1 Check all electrical connections for tightness.
2 Check all refrigeration connections with leak detector.
3 Check system readings against those recorded on original commissioning sheet and
investigate significant differences.
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