Step 5 Apply sealant on the outer side of the air valve connected to the pipe nut.
Step 6 Install the new high pressure switch and connect cables.
Step 7 Install the air lter and close the rear door.
Step 8 Power on the device and tap Startup on the home screen. Ensure that the smart
cooling product is running normally without any alarms.
----End
11.6 Replacing a Compressor (Threaded Connection)
Prerequisites
● A compressor needs to be replaced.
● A spare compressor of the same model is available and functional.
● The compressor must be replaced with the dry
lter. Refer to 6.7.6 Replacing
a Filter Dryer (Threaded Connection).
● Recommended materials: Phillips screwdriver, two 45# adjustable wrenches,
45# and 50# torque wrenches, 13# and 30# solid wrenches or socket
wrenches, new compressor, dryer
lter, refrigerant reclaiming device,
refrigerant charging device, R410A refrigerant
Context
Components and working principle: The scroll compressor is composed of the
suction and discharge angle valves, oil pump, motor, and electric heating belt. Gas
is sucked from the outside and exhausted from the position in the center. A
variable-frequency scroll compressor uses a frequency converter, and generates
dierent gas volumes as the frequency changes, thereby increasing or reducing
the cooling and heating capacity. When the compressor operates at a high speed,
it generates a large heating or cooling capacity, which enables the room
temperature to quickly reach the preset temperature. When the room temperature
decreases to a value close to the preset temperature, the compressor frequency
automatically decreases to a certain level to meet the heating or cooling capacity
requirements and maintain the room temperature at a stable level.
● Reclaim or dispose of the refrigerant in accordance with local laws and
regulations. During the reclaim process, the R410A refrigerant composition may
change. Therefore, you are not advised to rell the reclaimed R410A refrigerant
to the cooling system.
● When replacing a compressor, avoid skin contact with the refrigerant or
lubricant to prevent frostbite or burns.
● Do not tilt the compressor during replacement to prevent lubricant leakage.
● Install a new compressor immediately after you remove the rubber plugs of the
suction inlet and exhaust outlet to prevent the moisture
.
Figure 11-12 shows an angle valve.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 11 Parts Replacement
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 257
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