Scenarios without a low-temperature component (NetCol8000-A060/A120 Downflow)
Vacuum pump
Refrigerant cylinder
Electronic
scale
Scenarios with a low-temperature component (NetCol8000-A045/A090 Downflow)
Vacuum pump
Refrigerant cylinder
Electronic
scale
1. Leak checking
2. Vacuuming
3. Precharging refrigerant
Reducing valve
Nitrogen cylinder
1. Leak checking
2. Vacuuming
3. Precharging refrigerant
Reducing valve
Nut
Nitrogen cylinder
Nut
28
Low-pressure needle valve
Exhaust pipe
needle valve
Low-pressure needle valve
Exhaust pipe needle valve
Liquid pipe needle valve