Appendix C3: Maintenance Checklist - Seeley Aira AL Series Installation And Operation Manual

APPENDIX C: MAINTENANCE

APPENDIX C3: MAINTENANCE CHECKLIST

Maintenance Check List
Unit Type: ______________________
Description
Electrical
Water
Date of Maintenance: ___________________
Component Check For
Incoming electrical Visually inspect incoming electrical supply
supply and isolation for signs of damage. If any major
upgrades have been installed to the site confirm
that there is sufficient power for unit operation.
Electrical wiring Check wiring in control box. Replacing any
damaged or loose wires.
Isolator fitted and Check isolator switch for signs of damage.
operating Confirm that switch isolates unit.
Single or 3 phase Test and record incoming voltage to unit.
power test
Fan Motor Refer to manufactures specifications
Belts and pulleys Check belts and pulleys for signs of wear and
visual inspection damage. Check for rubber deposits and if belts
have a glazed or slick look. Replace if required
Belts and pulleys Check alignment of pulleys. Check tension of
thorough inspection belts. Replace if required
Fan obstructions and Check fan is clear of any foreign objects. Confirm
direction fan is operating in correct direction
Fan Bearings Check greasing of fan bearings and grease as
necessary.
Incoming Water Visually inspect incoming water connection for
Supply signs of damage. Check that the unit isolation
valve is in good working condition and easily
accessible. If any new water appliances have
been installed confirm that there is sufficient water
pressure and flow for unit operation.
Water connections Visually inspect the water piping to and within the
visual inspection unit.
Water isolation fitted Check water isolation valve successfully isolates
and in good condition the unit.
Water Supply Check incoming supply pressure against unit label
Pressure
Drain Unit Confirm that drain or auto-drain can remove water
from the unit
Clean out the unit All foreign material is cleaned out of the unit.
Internal surfaces wiped down.
Cooling pads. Wash the cooling pads with a garden hose spray
nozzle. Check for build up of dirt and/or salt.
Replace if required.
Float Valve Operation Check that the float valve allows water to flow until
the water reaches 5mm below the overflow.
Bleed Valve Check that the bleed valve rate per Note:-
Operation Formation of salt deposit in cooler pads indicates
insufficient bleed off.
Pump Operation Check that the pump operates when the cooling
function is active.
Water Distribution Tap Check that the water distribution tap is set to allow
Settings the required flow rate to the pads.
C=Clean
R= Replace
A= Adjust
= Check
N/A= Not Required
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