Panasonic CS-TZ20WKEW, Service Manual, Page: 65 / 233

65
12.2.3 Indoor Unit Installation
12.2.3.1 For the Right Rear Piping
12.2.3.2 For the Right and Right Bottom
Piping
12.2.3.3 For the Embedded Piping
(This can be used for left rear piping also.)
● Do not turn over the unit without shock absorber during pull out the piping.
Pull out the Indoor piping
It may cause intake grille damage.
● Use shock absorber during pull out the piping to protect the intake grille from damage.
Intake grille
Sho ck absorber
Piping
Piping
pull ou
t the
pip
ing
pull ou
t the
pip
ing
Install the Indoor Unit
Pull out the Indoor piping
Step-2
Secure the Indoor Unit
Insert the power supply cord and connection cable
Step-1
Step-3
Step-4
• Insert the cables from bottom of the unit through the control board hole until
terminal board area.
Install the Indoor Unit
Pull out the Indoor piping
Step-2
Insert the power supply cord and connection cable
Secure the Indoor Unit
Step-1
Step-3
Step-4
• Insert the cables from bottom of the unit through the control board hole until
terminal board area.
• Use a spring bender or equivalent to bend the piping so that the piping is not
crushed.
• Please refer to “Connecting the piping” column in outdoor unit section. (Below
steps are done after connecting the outdoor piping and gas-leakage
confirmation.)
• When determining the dimensions of the piping, slide the unit all the way to the
left on the installation plate.
• Refer to the column “Cutting and flaring the piping”.
Bend the embedded piping
Cut and flare the embedded piping
Change the drain hose position
Pull the connection cable into Indoor Unit
• The power supply cord and indoor unit and outdoor unit connection cable
can be connected without removing the front grille.
Step-1
Step-2
Step-3
Step-4
Connect the piping
• Please refer to “Insulation of piping connection” column as mentioned in
indoor/outdoor unit installation.
Install the Indoor Unit
Secure the Indoor Unit
Insulate and finish the piping
Step-5
Step-6
Step-7
Step-8
Cover for the
bottom piping
Cover for the
bottom piping
Tape it with piping
in a position as
mentioned in Fig.
below.
Cover for
the right
piping
Drain
hose
Cover
for the
left
piping
Right Rear piping
Cover for the
bottom piping
Tape it with piping
in a position as
mentioned in Fig.
below.
Cover for the
right piping
Piping
Drain hose
Cover
for the
left
piping
Right and Right bottom piping
Cover
for
piping
How to keep the cover
In case of the cover is cut, keep the
cover at the rear of chassis as shown
in the illustration for future reinstallation.
(Left, right and 2 bottom covers
for piping.)
Guide
surface
Connection
cable
A
bo
ut
70
–
8
0 m
m
Connection
cable Gas side
piping
Liquid
side
piping
Drain hose
Insert the connection cable
To take out the unit, push the
marking at the bottom unit, and
pull it slightly towards you to
disengage the hooks from the
unit.
g n i k r a m
Install the indoor unit
Hook the indoor unit onto the
upper portion of installation
plate.
(Engage the indoor unit
with the upper edge of the
installation plate). Ensure the
hooks are properly seated
on the installation plate by
moving it in left and right.
In case of embedded piping,
for model (TZ20***, TZ25***,
TZ35***, TZ42***, TZ50***,
RZ20***, RZ25***, RZ35***,
RZ50***) there is an option to
use the holder at the rear of
chassis to prop up the indoor
unit as shown in the illustration
for ease of installation.
Push the holder back to
original position before secure
the indoor unit.
Secure the Indoor Unit
Press the lower left and right
side of the unit against the
installation plate until hooks
engages with their slot
(sound click).
Piping
Drain hose
Sleeve for piping
hole
Indoor
unit
Hooks at
installation plate
Holder
Piping
•
Press the area of orange
color to release holder.
Installation
plate
Unit’s hook