Huawei NetCol5000-A User Manual page 199

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
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Procedure
Step 1 Open the rear door. Remove the filters, and switch off the general power input breaker QF1
and compressor circuit breaker QF3.
Step 2 Reclaim the refrigerant by referring to the position and methods for vacuumizing in
Vacuumizing.
Step 3 Remove the compressor heat tape.
Step 4 Use a Phillips screwdriver to open the outer cover of the power distribution box. And remove
the cables from the compressor.
Step 5 Clamp the suction corner valve with 45# adjustable wrench, and use other two adjustable
wrenches (50# and 45#) to remove the suction pipe from the compressor. Seal the suction
openings to ensure that the system is clean and does not draw in moisture.
Step 6 Clamp the discharge corner valve with 45# adjustable wrench, and use other two 45#
adjustable wrenches to remove the discharge pipe from the compressor. Seal the discharge
openings to ensure that the system is clean and does not draw in moisture.
Step 7 Use a 13# solid wrench or socket wrench to remove the four bolts from the compressor base
and remove the base and compressor, as shown in
Issue 13 (2019-01-15)
Reclaim or dispose of the refrigerant in accordance with local laws and regulations. Do not
discharge the refrigerant to the atmosphere.
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.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Figure 6-6.
5.2.3
190