Owner's Manual
06. 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
Printed Circuit
Boards
Electrical
Connections
INDOOR UNIT
Parts
Casing / Panels and
Frames
Insulation
Fan
Motor
Heat
Exchanger
Drain Pan/
Condensation line
Filter*
Temperature
Readings
Damper Motors
(if fitted)
Duct Works
* Service period for filter cleaning may vary depending on operating time and surrounding environment.
Service Period
1
3
6
1
2
Mth
Mth
Mth
Yr
Yrs
Yrs
Service Period
1
3
6
1
2
Mth
Mth
Mth
Yr
Yrs
Yrs
Ω
Owner's Manual ECOFLEX MINI VRF R-32 SERIES - 1 WAY CASSETTE
Doc. No.9590-4028-02 Ver. 1 230819
ECOFLEX MINI VRF R-32 SERIES
3
4
5
Detail of Service Check
Yrs
Yrs
Visual Inspection
Check all electrical terminals,
mains, communications, etc
Detail of Service Check
3
4
5
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
Inspect duct works for air
gaps.
Service Methods
Tighten Terminals as necessary
on 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.
Reading 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
Re-tape any loose ducts.
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