Scenarios without a low-temperature component (NetCol8000-A060 Upflow)
1. Leak checking
2. Vacuuming
3. Precharging refrigerant
Refrigerant cylinder
Electronic
scale
Scenarios with a low-temperature component (NetCol8000-A045 Upflow)
Vacuum pump
Refrigerant
cylinder
Electronic
scale
Reducing valve
Vacuum pump
Nitrogen cylinder
1. Leak checking
2. Vacuuming
3. Precharging refrigerant
Reducing valve
Nut
Nitrogen cylinder
Nut
Exhaust pipe
needle valve
Low-pressure
Liquid pipe
Exhaust pipe
needle valve
needle valve
30
Low-pressure
needle valve
needle valve