CONNECTING REFRIGERANT PIPING LINES
18.12 CONNECTING REFRIGERANT PIPING TO OUTDOOR UNIT TOP DISCHARGE
18.12.1 Description of Refrigerant Connections of Outdoor Unit Top Discharge
Stop Valve Operation Introduction
Liquid Valve Suction Valve
1. Opening Service Valve
(A) Remove the cap and turn the valve counter clock-wise with the hexagon wrench
(B) Turn it until the shaft stops. Do not apply excessive force to the stop valve. Doing so may
break the valve body, as the valve is not a backseat type. Always use the special tool.
(C) Make sure to tighten the cap securely.
2. Closing Service valve
x Remove the cap and turn the valve clockwise with the hexagon wrench.
x Securely tighten the valve until the shaft contacts the main body seal.
Make sure to tighten the cap securely. For the tightening torque, refer to the table below.
CAUTION
Always use a charge hose for service port connection.
After tightening the cap, check that no refrigerant leaks are present.
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