04-07
Step-3. Insert the connection pipe
Insert the connection pipe until
it comes in contact with the joint.
If the connection pipe cannot be inserted,
loosen the tightening nut by half a turn.
OK NG
Step-4. Fasten the tightening nut by hand
Fasten the tightening nut by hand for temporary fixing.
By fastening the tightening nut, the O-ring will fix the connection pipe temporarily.
If the insert margin marking is visible when the tightening nut is temporarily fastened,
insert the connection pipe until it comes in contact with the joint (indoor unit pipe). (see STEP.5)