Huawei NetCol8000-A - Scenarios with a low-temperature component (NetCol8000-A060 Upflow); Scenarios with a low-temperature component (NetCol8000-A045 Upflow)

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Scenarios with a low-temperature component (NetCol8000-A045 Upflow)
1. Leak checking
2. Vacuuming
3. Precharging
refrigerant
Nut
Reducing valve
Nitrogen
cylinder
Electronic
scale
Refrigerant
cylinder
Vacuum pump
Low-pressure needle valve
Exhaust pipe
needle valve
Liquid pipe
needle valve
Low-pressure
needle valve
Exhaust pipe
needle valve
Nut
Nitrogen
cylinder
Electronic
scale
Refrigerant
cylinder
Vacuum
pump
Low-pressure needle valve
Reducing valve
Scenarios with a low-temperature component (NetCol8000-A060 Upflow)
1. Leak checking
2. Vacuuming
3. Precharging refrigerant