ActronAir
is constantly seeking ways to improve the design of it’s products, therefore specifications are subject to change without notice.
Copyright © 2017 Actron Engineering Pty. Ltd.
Page 27 of 36
MAINTENANCE FREQUENCY CHECKLIST
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 1MΩ
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 1MΩ. Ensure
to isolate first the VSD from the
compressor before measuring
insulation resistance.
Compressor
drive
For variable drive
compressor check
full operation of drive
from minimum hertz to
maximum, check fan
operation of drive
Check compressor amperage and
running frequency feedback from
outdoor board seven segment
display.
Ensure drive fresh air
path is clear and drive
fan is operating correctly
Check ventilation holes on top
and bottom of drive cover are
clear of leaves, pebbles or dirt.
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.
