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12. Maintenance Frequency Checklist
Regular servicing of equipment by a qualified technician is recommended every 12 months for residential applications and
every quarter for commercial applications. Regular servicing of your unit helps in maintaining its optimum performance and
reliability. The following checklist and service periods are provided as a guide only, as some sites may require more
frequent servicing.
ELECTRICAL
Parts
Mth
Isolators/Printed
Circuit Boards
Electrical
Connections
INDOOR SECTION
Parts
Mth
Casing / Panels
and Frames
Insulation
Fan
Motor
Heat
Exchanger
Drain Pan/
Condensation
line
Filter *
Temperature
Readings
Damper Motors
(If fitted)
* Service period for filter cleaning may vary depending on operating time and surrounding environment.
18
Service Period
1
3
6
1
2
Mth
Mth
Yr
Yrs
Yrs
Service Period
1
3
6
1
2
Mth
Mth
Yr
Yrs
Yrs
Ω
Installation & Commissioning Guide - ESP Platinum QUE Split Ducted Units
Doc. No.0525-061 Ver. 1 190131
ESP Platinum QUE - Three Phase
Detail of
3
4
5
Service Check
Yrs
Yrs
Visual Inspection
Check all electrical
terminals, mains,
communications, etc
Detail of
3
4
5
Service Check
Yrs
Yrs
Visual check for
damage, rust and dust
accumulation.
Visual check for
insulation conditions.
Visual check for run
out of balance and dust
attached
Visual check on wiring.
Insulation resistance
check to be carried out
annually
Check for clogging by
dust. Check for leaks /
damage.
Check for obstructions
and free flow of water
Check for clogging
by dust.
Measure air on
and air off
Visual inspection of
motors open/closing.
Ensure no obstructions
Service Methods
Tighten Terminals as necessary on
isolators and printed circuit boards
Re-tighten if loose.
Service Methods
For highly corrosive environment,
wash panels quarterly with water
and neutral detergent solution.
Wax panels. Repair / re-paint
where required.
Repair / replace insulation material.
Clean off dust as necessary to
negate possibility of fan running
out of balance
Measure insulation resistance
to earth with insulation tester.
Insulation resistance should be
more than 1MΩ.
Clean air inlet side as necessary.
Straighten any bent fins using fins
comb.
Clean to eliminate obstructions/
sludge and check condition of pan.
Pour water to ensure flow
Clean Filter
Place temperature probe in return
and supply air of unit.
Drive motors opened and closed.
Ensure correct operation