Panasonic CS-Z25UD3EAW Service Manual page 47

12.1.6.1 Wire Stripping and Connecting Requirement
Wire stripping
No loose strand
when inserted
Do not joint wires
WARNING
RISK OF FIRE
JOINING OF WIRES MAY CAUSE
OVERHEATING AND FIRE.
Use complete wire without joining.
Use approved socket and plug with earth pin.
Wire connection in this area must follow to national
wiring rules.
12.1.7 Connect the Piping
12.1.7.1 Connecting the Piping to Indoor
For connection joint of all model (except R32 model)
Please make flare after inserting flare nut (locate at
joint portion of tube assembly) onto the copper pipe.
(In case of using long piping)
Connect the piping

Align the center of piping and sufficiently tighten
the flare nut with fingers.

Further tighten the flare nut with torque wrench in
specified torque as stated in the table.
Spanner or
Wrench
Indoor/outdoor
connection
terminal board
5 mm
or more
(gap between wires)
Torque wrench
Conductor
fully inserted
ACCEPT
OR
For connection joint of R32 models

Decide the length.

Cut and remove the tube connectors at indoor
copper pipings (both gas and liquid piping) by
using pipe cutter. Remove burrs from cut edge.

Use pipe expander to expand the end of long
piping.

Align the center of piping and braze the piping
joints.
(40~50mm)
Indoor copper pipe
1. Cut and Remove

Braze the piping joints carefully so that the indoor
unit is not damaged by brazing flame.
If necessary, cover with wet clothes to prevent
parts unintentionally overburnt.
47
Conductor not
Conductor
fully inserted
over inserted
PROHIBITED PROHIBITED
OR
OR
Brazing point
Tube connector
2. Expand long pipe 3. Braze both pipe