Installation and Commissioning Guide
Split Ducted ESP Digital
Installation and Commissioning Guide - Split Ducted ESP Digital Units
Doc. No.0525-077 Ver. 2 200129
37
OUTDOOR UNIT
Parts
Service Frequency
Detail of Service Check Service Methods
1
Mth
3
Mth
6
Mth
1
Yr
2
Yrs
3
Yrs
4
Yrs
5
Yrs
Casing / Panels
and Frames
Visual check for damage,
rust and dust accumulation.
For highly corrosive environment,
wash panels quarterly with water
and neutral detergent solution.
Wax panels. Repair / re-paint
where required.
Insulation
Visual check for insulation
conditions.
Repair / replace insulation
material.
Fan
Visual check for run out of
balance and dust attached
Clean off dust as necessary to
negate possibility of fan running
out of balance
Motor
Ω
Visual check on wiring.
Insulation resistance check
to be carried out annually
Measure insulation resistance.
Should be more than 1M
Heat
Exchanger
Check for clogging by dust.
Check for leaks / damage.
Clean air inlet side as necessary.
Straighten any bent fins using fins
comb.
Condensate
Drain Line
(if available)
Check for obstructions and
free flow of water
Clean to eliminate obstructions/
sludge and check condition of
drain line. Pour water to ensure
free flow.
Compressor
Ω
Check for high / low
pressure. Measure
insulation resistance. Check
compressor for abnormal
noise/vibrations
Measure insulation resistance.
Should be more than 1M.
Refrigeration
Operational
Readings
Make note of operational
reading in test cool/heat
Check operating pressures,
record super heat and subcool
values
Safety
Devices
Check calibration of safety
devices such as HP and LP
controls, sensors, etc
Check resistance of sensors,
pressure cut in / cut out of
pressure controls
Faults
Check for any previous fault
history on unit.
Investigate any causes for
previous faults, reset fault history.
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