Table 9-1 Monthly maintenance checklist
Item
Expected Result
Troubleshooting
Air filter
The air filter is not damaged
or distorted.
Replace the air filter.
Water
tank
The float has no scale.
Clean up the scale on the liquid
level sensor when the device is
shut down.
The water tank filter is not
blocked.
Clean up the foreign matter on the
surface of the water tank filter.
Compresso
r
The compressor is secured.
Tighten screws if the compressor is
not secured.
The operating compressor
generates no metal friction
noise or collision noise from
inside.
Replace the compressor.
Pipe
The refrigerant pipe does not
leak or corrode, and is
properly wrapped with
thermal insulation foam.
Repair the leakage points and
rewrap thermal insulation foam.
Wear working gloves and
touch the needle valve and
soldering points of the
refrigerant pipe. There are no
oil stains.
If there are oil stains, check
whether the suction and discharge
pressure of the compressor is
within the normal ranges. If the
pressure is beyond the normal
range, contact technical support.
No water exists under the
water pipe or on the thermal
insulation foam.
● If drops of water are evenly
distributed, wipe them off with
dry cloth.
● If there are large water marks,
close the water inlet sluice and
handle the leaking points. If the
thermal insulation foam is
damaged or missing, install new
thermal insulation foam.
The refrigerant pipe support
is secure and intact.
Replace the pipe support and
secure it again.
Indoor fan
and
exhaust
fan
The guards of the indoor fan
and exhaust fan are not
deformed, and the fan blades
are not damaged.
Replace the fan.
The indoor fan and exhaust
fan run smoothly.
Take out the foreign matter if the
fan is blocked.
FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
9 System Maintenance
Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
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