Panasonic CS-XZ20XKEW-H Service Manual page 48

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-Z20***, CU-2Z35***,
CS-XZ20***, CU-2Z41***,
CS-Z25***, CU-2Z50***,
CS-XZ25***, CU-3Z52***,
CS-Z35***, CU-3Z68***,
CS-XZ35*** CU-4Z68***,
CU-4Z80***,
CU-5Z90***
CS-Z42***, CU-2Z50***,
CS-Z50***, CU-3Z52***,
CS-XZ50*** CU-3Z68***,
CU-4Z68***,
CU-4Z80***,
CU-5Z90***
CS-Z71*** CU-4Z80***,
CU-5Z90***
12.2.5.4 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
12.2.6 How to Take Out Front Grille
Please follow the steps below to take out front grille if necessary such as when installing or servicing.
Z20***, Z25***, Z35***, Z42***,
Model
XZ20***, XZ25***, XZ35***
1 Pull down 3 caps at the bottom, then remove
3 mounting screws.
2 Cling finger around screw area slot, pull the
bottom plate downward until a click sound
indicates hook is unleashed.
Move the bottom plate forward carefully.
3 Open front panel.
4 Remove 3 mounting screws on the front grille.
5 Slide the 3 lock knobs on the upside of front
grille to unlock position.
6 Set the upper vane to horizontal position.
Set the lower vane to slightly below horizontal
position.
7 Pull the front grille towards you to remove the
front grille.
Pipe size (refer
to diagram)
(CZ-MA1P)
Auxiliary pipe
(male side)
(Indoor)
(CZ-MA2P) &
(CZ-MA3P)
Handle
Bar
Yoke
Core
Red arrow mark
Clamp handle
3. To fl are
Hall Union
Auxiliary pipe
(male side)
Hall Union
Auxiliary pipe
(male side)
Packing
Hall Union
Auxiliary pipe
(male side)
Pipe size reducer (CZ-MA1P)
Pipe size reducer
Hall Union (CZ-MA3P)
Packing Connection pipe
(female side)
0 – 0.5 mm
Bar
Copper pipe
Bottom
plate
2
Cap and Screw
1
(3 location)
48
Flare Nut
Flare Nut
Connection pipe
(female side)
Flare Nut
Connection pipe
(female side)
Flare Nut Packing Hall Union
Auxiliary pipe
Pipe size expander
(CZ-MA2P)
Improper fl aring
Inclined Surface Cracked Uneven
damaged
When properly fl ared, the internal surface of the
fl are will evenly shine and be of even thickness.
Since the fl are part comes into contact with the
connections, carefully check the fl are fi nish.
Front
panel
3
4
Screw
(3 location)
Upper vane: Set to horizontal;
Lower vane: Set to slightly below horizontal
Liquid side
Connection pipe
(female side)
Gas side
(male side)
(Outdoor)
thickness
5
LOCK
UNLOCK
Lock knob
7
Front grille
6
Vane