ActronAir ELY620T - Maintenance Frequency Checklist; Electrical; Indoor Unit

86
Installation and Commissioning Guide 500-700 Tri-Capacity Split Ducted
Doc. No.0525-098 Ver. 2 210330
Installation and Commissioning Guide
Split Tri-Capacity
31. MAINTENANCE FREQUENCY CHECKLIST
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
Isolators /
Printed Circuit
Boards

Visual Inspection
Tighten Terminals as necessary
on isolators and 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.
INDOOR 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


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.
Drain Pan/
Condensation line

Check for obstructions and
free flow of water
Clean to eliminate obstructions/
sludge and check condition of
pan. Pour water to ensure flow
Filter*

Check for clogging by dust. Clean Filter
Temperature
Readings

Measure air on and air off
Place temperature probe in
return and supply air of the unit.
Damper Motors
(If fitted)

Visual inspection of motors
open/closing. Ensure no
obstructions
Drive motors opened and
closed. Ensure correct operation
* Service period for filter cleaning may vary depending on operating time and surrounding environment.