Service manual

37
Model No: AC-S10CK_S10HK
Version 1.0
l Confirm that both the 2-way and 3-way valves are set to the open position.
F Remove the valve caps and confirm that the valve spindles are in the open
position.
F Be sure to use a hexagonal wrench to operate the valve spindle.
l Operate the unit for 10~15 minutes.
l Stop operation and wait for 3 minutes, then connect the charge set to the service
port of the3-way valve.
F Connect the charge hose with the push pin to the service port.
l Air purging of the charge hose
F Open the low-pressure valve on the charge set slightly to purge air from the
charge hose.
l Set the 2-way valve to the closed position.
l Operate the air conditioner at the cooling cycle and stop it when the gauge indi-
cates 1kg/cm
2
.g.
l Immediately set the 3-way valve to the closed position.
F Do this quickly so that the gauge ends up indicating 3 to 5kg/cm
2
.g.
l Disconnect the charge set, and amount the 2-way and 3-way valve’s caps and
the service port cap.
F Use torque wrench to tighten the service port cap to a torque of 1.8 kg.m.
F Be sure to check for gas leakage.
3. RE-AIR PURGING FOR RE-INSTALLATION
l Confirm that both the 2-way valve and the 3-way valve are set to the closed
position.
l Connect the charge set and a gas cylinder to the service port of the 3-way valve.
F Leave the valve on the gas cylinder closed.
l Air purging
F Open the valves on the gas cylinder and the charge set. Purge the air by loos-
ening the flare nut on the 2-way valve approximately 45°°for 3 seconds, then
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