Huawei NetCol8000-A Quick Manual page 32

In-room air cooled smart cooling product
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Scenarios without a low-temperature component (NetCol8000-A045 Upflow)
Vacuum
pump
Refrigerant cylinder
Electronic
scale
Scenarios without a low-temperature component (NetCol8000-A060 Upflow)
1. Leak checking
2. Vacuuming
3. Precharging refrigerant
Refrigerant
cylinder
Electronic
scale
1.Leak checking
2.Vacuuming
3.Precharging refrigerant
Reducing valve
Nitrogen cylinder
Reducing valve
Vacuum
pump
Nitrogen
cylinder
31
Low-pressure needle valve
Nut
Exhaust pipe
needle valve
Nut
Exhaust pipe
needle valve
Low-pressure
needle valve

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