Panasonic CS-TZ25ZKEW Service Manual page 66

12.2.5.3 Connecting the Piping to Outdoor Multi
Decide piping length and then cut by using pipe cutter.
Remove burrs from cut edge. Make flare after inserting the
flare nut (locate at valve) onto the copper pipe. Align center
of piping to valve and then tighten with torque wrench to
the specified torque as stated in the table.
* For Gas side piping please refer table and diagram below
Outdoor Multi Combination Model
R32 Model
CS-TZ20***, CU-2Z35***,
CS-TZ25***, CU-2Z41***,
CS-TZ35***, CU-2Z50***,
CS-RZ25***, CU-3Z52***,
CS-R35*** CU-3Z68***,
CU-4Z68***,
CU-4Z80***,
CU-5Z90***,
CU-2TZ41***,
CU-2TZ50***,
CU-3TZ52***
CS-TZ42***, CU-2Z50***,
CS-TZ50***, CU-3Z52***,
CS-RZ50*** CU-3Z68***,
CU-4Z68***,
CU-4Z80***,
CU-5Z90***,
CU-2TZ50***,
CU-2TZ52***
12.2.6 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.
Pipe
Reamer
Point down
1. To cut 2. To remove burrs
Pipe size (refer to diagram)
1
2
(CZ-MA1PA)
Handle
Bar
Yoke
Core
Red arrow mark
Clamp handle
3. To fl are
Hall Union
Auxiliary pipe
(male side)
1
Hall Union
Auxiliary pipe
(male side)
2
Hall Union
Auxiliary pipe
(male side)
0 – 0.5 mm
Bar
Copper pipe
66
Flare Nut
Connection pipe
(female side)
Gas side
Flare Nut
Connection pipe
(female side)
Flare Nut
Connection pipe
(female side)
Pipe size reducer (CZ-MA1PA)
Improper fl aring
Inclined Surface Cracked Uneven
damaged
When properly fl ared, the internal surface of the
flare will evenly shine and be of even thickness.
Since the flare part comes into contact with the
connections, carefully check the flare finish.
Liquid side
thickness