Replacing A Filter Dryer - Huawei FusionCol8000-E240 User Manual

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
If the suction pressure, discharge pressure, and suction superheat degree are not within the
normal range, check the following items:
1. Refrigerant is charged to the standard amount. (If the refrigerant is overfilled, the discharge
pressure is high. If the refrigerant is underfilled, the suction and discharge pressures are low,
and the suction superheat degree is high.)
2. The air intake and exhaust vents of the unit are not blocked. (If the air intake vent and air
exhaust vent are blocked, the discharge pressure will be high.)
Step 6 After charging refrigerant, close all valves.
Step 7 Tap
Step 8 Tap Shutdown on the home screen.
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8.4.14 Replacing a Filter Dryer

Prerequisites
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Context
Reclaim or dispose of the refrigerant in accordance with the local laws and
regulations. During the reclaim process, the R410A refrigerant composition may
change. Therefore, you are not advised to refill the reclaimed R410A refrigerant to
the cooling system.
Procedure
Step 1 On the controller home screen, tap Shutdown and turn off the device switch in
the PDF.
Exercise caution because the device is still energized after it is shut down on the
controller home screen.
Issue 01 (2021-01-30)
NO TE
to exit the diagnostic mode.
A filter dryer needs to be replaced.
A spare welded filter dryer of the same model is available and functional.
Tools: welding equipment, refrigerant retrieval device (configured based on
local conditions), Phillips screwdriver, nitrogen cylinder, refrigerant cylinder,
vacuum pump, pressure gauge, rubber hose, protective gloves
Preparation: Power off the smart cooling product and reclaim the refrigerant
in the system.
NO TICE
NO TICE
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