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FusionCol8000-E400 Modular Indirect Evaporative
Cooling System
User Manual
Symptom
The air volume
is excessively
large.
The motor is
burnt.
The running
sound is
abnormal.
The compressor
does not work.
The compressor
discharge
temperature is
too high.
Issue 04 (2022-06-30)
Possible Cause
The return air damper is
shaking.
There are foreign matters.
The external static pressure is
excessively small (the air
duct is excessively short).
The rotational speed is too
high.
The motor is overloaded.
The motor specifications do
not meet the requirements
(voltage).
The motor is poorly
insulated.
The compressor, fan, or pipes
are loose.
The high pressure switch is
triggered.
The circuit breaker, fuse, or
cable is disconnected.
The compressor motor is
damaged.
The compressor does not
require starting.
The drive is faulty.
The refrigerant loop or
component is blocked.
Air enters the refrigerant
loop.
Heat dissipation is poor
because the condenser is
dirty or blocked.
The exhaust fan fails.
The refrigerant is insufficient.
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8 System Operation and Maintenance
Solution
Adjust the return air damper.
Clear the foreign matters.
Rebalance the air volume and
air pressure.
Adjust the voltage again.
Balance the air volume and
replace the motor.
Replace the motor.
Replace the motor.
Check and secure loose parts.
Check the high pressure
switch.
Check the main circuit
breaker, compressor circuit
breaker, fuses, and cables.
Check whether the motor is
damaged and needs
replacing.
Check the requirement status
on the display module.
Replace the drive.
Clean foreign matters from
the refrigerant loop.
Exhaust air and repair the
pipeline.
Clean the condenser fins.
Check whether the exhaust
fan works properly.
Charge more refrigerant.
120
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