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FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Item
7.5 kW air
conditioner
Issue 02 (2017-01-10)
Method
Expected
Result
humidifier input to
50%, and check
whether water can
be smoothly taken
in.
(Following the
Water drainage
preceding step) Set
is normal.
the humidifier
input to 0%, and
press the manual
drainage button on
the side of the
electric control box
to check whether
water drainage is
normal. After the
check is complete,
set the manual
drainage button on
the side of the
electric control box
to normal
humidification.
Start the air
The electric
conditioner, choose
heater
generates heat.
Maint >
Diagnostic
Mode > Enter
from the main
screen, and set
Electric heater to
On. Check whether
the electric heater
generates heat.
Check air filters.
The air filters
are blocked.
Check the
No water
drainpipes.
leakage occurs
on connectors.
Check the
There is no
scale.
condensate water
pan.
Check the high and
The high
low pressures.
pressure is not
higher than 2.7
MPa, and the
low pressure is
not lower than
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4 Routine Maintenance
Troubleshooting
1. Disconnect the water hose, and
hammer it with a rubber mallet
to shake off foreign matters.
2. Remove the water pump and
clean up foreign matters in it.
3. If there are too many foreign
matters and they cannot be
cleaned up, replace the water
pump by following instructions
in the user manual delivered
with the water pump.
Replace the faulty electric heater by
following instructions in the air
conditioner user manual.
Clean dust from the air filters using
a brush or vacuum cleaner.
Tighten the connectors.
Clean the condensate water pan.
If the high pressure is abnormal,
check whether the outdoor unit
is power off, whether the fan
speed controller and outdoor fan
are working properly, and
whether the outdoor unit coils
36
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