ActronAir Cascade 2 CRE-100CS Manuale d'uso - Pagina 15

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Owner's Manual
Outdoor Unit
Service
Frequency
Parts
1
3
Mth
Mth
Mth
Casing / Panels
and Frames
Insulation
Fan
Motor
Heat
Exchanger
Condensate
Drain Line
(if available)
Compressor
Compressor
drive
Refrigeration
Operational
Readings
Safety
Devices
Faults
Detail of Service Check
6
1
Yr
Visual check for damage, rust
and dust accumulation.
Visual check for insulation
conditions.
Visual check for run out
of balance and dust
accumulation.
Visual check on wiring.
Insulation resistance check to
be carried out annually.
Check for clogging by dust.
Check for leaks / damage.
Check for obstructions & free
flow of water.
Check for high / low pressure.
Measure insulation resistance.
Check compressor for
abnormal noise/vibrations.
For variable drive compressor
check full operation of drive
from minimum hertz to
maximum, check fan operation
of drive.
Ensure drive fresh air
path is clear and drive fan is
operating correctly.
Make note of operational
reading in test cool/heat mode.
Check calibration of
safety devices.
Check for any previous fault
history on unit.
Owner's Manual - Cascade Series 2
Doc. No. 9590-4016 Ver. 2 220616
Four-Way Cassette
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. Should be more
than 1M .
Clean air inlet side as necessary. Straighten any
bent fins using fins comb.
Clean to eliminate obstructions/ sludge and
check condition of drain line. Pour water to
ensure free flow.
Measure insulation resistance. Should be more
than 1M . Ensure to isolate first the VSD from
the compressor before measuring insulation
resistance.
Check compressor amperage & running
frequency feedback from outdoor board seven
segment display.
Check ventilation holes on top and bottom of
drive cover are clear of leaves, pebbles or dirt.
Check operating pressures, record super heat
and sub-cool values.
Check resistance of sensors, pressure cut in /
cut out of pressure controls.
Investigate any causes for previous faults, reset
fault history.
15