Replacing A Low Pressure Sensor - Huawei NetCol8000-A013 User Manual

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
Step 7 Apply sealant on the liquid cooling cold plate and use a Phillips screwdriver to
install the cover of the liquid cooling cold plate.
Step 8 Bind cable ties and install cable terminals according to the photo you have taken.
Step 9 Use a Phillips screwdriver to reinstall the front upper panel and top cover.
Step 10 Power on the smart cooling product and ensure that it starts properly. Observe it
for 30 minutes and ensure that no alarm is generated.
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5.4.2.3 Replacing a Low Pressure Sensor

Prerequisites
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Context
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Procedure
Step 1 Turn off the indoor unit circuit breaker and circuit breaker in the power
distribution cabinet.
If the outdoor unit does not take the electricity from indoor unit, turn off the
circuit breaker for the outdoor unit.
Step 2 Reclaim all the refrigerant from the system in accordance with laws and
regulations using a refrigerant retrieval device to ensure that there is no pressure
inside the system.
Step 3 Remove the top cover and front upper panel using a Phillips screwdriver. For
panels position, see
Step 4 Open the cable connection box cover of the outdoor unit, remove the following
four cables, and remove the side rear panel.
Issue 04 (2022-11-25)
A low pressure sensor needs to be replaced.
A spare low pressure sensor of the same model is available and functional.
Tools: Phillips screwdriver, refrigerant retrieval device (required based on local
conditions), nitrogen injection and pressure preservation tool, vacuumization
tool, refrigerant injection tool, adjustable wrench, and sealant.
Preparation: Power off the outdoor unit.
NO TICE
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5 System Operation and Maintenance
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