TM9-4120-400-14
CHARGING THE REFRIGERANT SYSTEM. - continued
5-16.
14. Connect power at power source.
15. Turn air conditioner on and operate in COOL mode with TEMPERATURE SELECTOR set at maximum
COOLER position.
Figure 5-15. Refrigerant Charging (Partial System/Small Quantity Charge)
NOTE
If (2.2 pounds (1.0 kg) for F9000H-1SA or 2.4 pounds (1.09 kg) for F9000H-3SA) full
charge was obtained, skip steps 16. through 20. If system pressure equalized prior to
obtaining a full charge, proceed with step 16.
Never introduce liquid refrigerant into the low pressure (suction) charging valve. This can
cause damage to the compressor.
16. Set refrigerant cylinder to deliver gas only.
Never introduce high discharge pressure into a refrigerant cylinder. This can cause the
cylinder to rupture and injure personnel.
17. Check that pressure gauge valve is closed.
18. Open compound gauge valve.
19. Open charge valve.
5-43
