ActronAir SCA260C - 17. Maintenance Frequency Checklist

Installation and Commissioning Guide - Standard Commercial Split Ducted Commercial Outdoor Unit
Doc. No.0525-056 Ver. 7 220308
Installation and Commissioning Guide
Split Ducted Outdoor Units
32
. 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
Service Period
Detail of Service Check Service Methods
1
Mth
3
Mth
6
Mth
1
Yr
2
Yrs
3
Yrs
4
Yrs
5
Yrs
Printed Circuit
Boards

Visual Inspection
Tighten Terminals as necessary
on printed circuit boards.
Electrical
Connections

Check all electrical terminals,
mains, communications, etc Re-tighten if loose.
Magnetic
Contactor

Check for loose terminal
connections
Tighten electrical terminals.
Remove any dust.
OUTDOOR UNIT
Parts
Service Period
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.
DrainPan /
Condensation
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 superheat and subcooling
values