100
PB
R-410A SEALED SYSTEM REPAIR
Gas Charging (After Repair)
– Open the valve at the bottom of the cylinder and press the
– Connect the charge hose which you dis-connected from the
vacuum pump to the valve at the bottom of the cylinder.
– If you are using a gas cylinder, also use a scale and reverse
the cylinder so that the system can be charged with liquid.
check valve on the charge set to purge the air. (Be careful of
the liquid refrigerant).
–
–
Stopping partway will allow the gas to be discharged.
If the system has been charged with liquid refrigerant while
operating the air conditioner turn off the air conditioner before
disconnecting the hose.
– Tighten the service port nut.
– Be sure to check for gas leakage.
Lo
Open
Open
3-Way
valve
Gas side
CLOSE
3-Way
valve
OPEN
Outdoor unit
Liquid side
Indoor unit
This is different from previous procedures.
Because you are charging with liquid refrigerant
from the gas side, absolutely do not attempt to
charge with larger amounts of liquid refrigerant
while operating the air conditioner.
-
Weigh in the refrigerant amount listed on the rating plate, adding
additional refrigerant as needed for long line set length.
- If the temperature does not allow full liquid charge, run the system
in air conditioning and throttle refrigerant in at 0.2 oz/min. Allow the
system pressure to stabilize each time.
Fig. 506
Summary of Contents for FSHW091
Page 8: ...8 INTRODUCTION FSHSW09A1A FSHSW12A1A Figure 102 Indoor Units FSHSW18A3A FSHSW24A3A FSHSW36A3A ...
Page 47: ...47 INSTALLATION ...
Page 48: ...48 INSTALLATION Installation Tools ...
Page 72: ...72 WIRED CONTROLLER Display ...
Page 122: ...122 TROUBLESHOOTING Malfunction of IDUFanMotorU8 Service Manual No Start End ...
Page 146: ...146 WIRING DIAGRAMS Figure 8054 9 12KOutdoorUnitWiringDiagrams 60000706067401 3 2 N 1 C3 C4 ...
Page 158: ...158 FIgure 906 PARTS CATALOG 9KOutdoorUnit 28 27 29 31 30 32 ...
Page 160: ...160 PARTS CATALOG 12k OutdoorUnit 28 27 29 31 30 32 FIgure 907 ...