Panasonic CS-A7DKD Service Manual page 52

CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12DKD CU-A12DKD /
MODEL
C7DK, C9DK, A7DK, A9DK
C12DK, A12DK
Connecting The Piping To Outdoor Unit
Decide piping length and then cut by using pipe cutter. Remove
burrs from cut edge. Make flare after inserting the flare nut
(located at valve) onto the copper pipe.
Align center of piping to valves and then tighten with torque
wrench to the specified torque as stated in the table.
CUTTING AND FLARING THE PIPING
1. Please cut using pipe cutter and then remove the burrs.
2. Remove the burrs by using reamer. If burrs is not
removed, gas leakage may be caused.
Turn the piping end down to avoid the metal powder
entering the pipe.
3. Please make flare after inserting the flare nut onto the
copper pipes.
Piping size (Torque)
Gas Liquid
3/8" (42 N.m) 1/4" (18 N.m)
1/2" (55 N.m) 1/4" (18 N.m)
52