Outdoor Unit - Panasonic CS-Z25TKEA Service Manual

12.3 Outdoor Unit

12.3.1 Install the Outdoor Unit

After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram.
1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm).
2 When installing at roof, please consider strong wind and earthquake.
Please fasten the installation stand firmly with bolt, screws or nails.
A
12.3.2 Connect the Piping
12.3.2.1 Connecting the Piping to Indoor
For connection joint location at outside building
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
12.3.2.2 Connecting the Piping to Outdoor
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.
B
Torque
wrench
Model
Z25***, Z35***, Z42***
Z50***, Z71***
For connection joint location at inside building

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.
Indoor
(40~50mm)
copper pipe
Tube connector
1. Cut and Remove
Do not overtighten, overtightening may cause gas leakage.
Piping size
6.35 mm (1/4")
9.52 mm (3/8")
12.7 mm (1/2")
15.88 mm (5/8")
19.05 mm (3/4")
44
A B C
540 mm 160 mm 18.5 mm 330 mm
613 mm 131 mm 24 mm 360.5 mm
Brazing point
2. Expand long pipe 3. Braze both pipe
Torque
[18 N•m (1.8 kgf•m)]
[42 N•m (4.3 kgf•m)]
[55 N•m (5.6 kgf•m)]
[65 N•m (6.6 kgf•m)]
[100 N•m (10.2 kgf•m)]
D