Panasonic CS-E7NKDW / CS-E9NKDW / CS-E12NKDW / CS-E15NKDW / CS-E18NKDW / CU-E7NKD / CU-E9NKD / CU-E12NKD / CU-E15NKD / CU-E18NKD Service Manual ▷ View online
41
11. Installation
Instruction
11.1 Select the Best Location
11.1.1 Indoor
Unit
Do not install the unit in excessive oil fume area
such as kitchen, workshop and etc.
There should not be any heat source or steam
near the unit.
There should not be any obstacles blocking the air
circulation.
A place where air circulation in the room is good.
A place where drainage can be easily done.
A place where noise prevention is taken into
consideration.
Do not install the unit near the door way.
Ensure the spaces indicated by arrows from the
wall, ceiling, fence or other obstacles.
Recommended installation height for indoor unit
shall be at least 2.5 m.
11.1.2 Outdoor
Unit
If an awning is built over the unit to prevent direct
sunlight or rain, be careful that heat radiation from
the condenser is not obstructed.
the condenser is not obstructed.
There should not be any animal or plant which
could be affected by hot air discharged.
Keep the spaces indicated by arrows from wall,
ceiling, fence or other obstacles.
Do not place any obstacles which may cause a
short circuit of the discharged air.
If piping length is over the [piping length for
additional gas], additional refrigerant should be
added as shown in the table.
added as shown in the table.
Piping size
Model
Horse
Power
(HP)
Gas Liquid
Std.
Leng-
th
(m)
Max.
Eleva-
tion
(m)
Min.
Piping
Length
(m)
Max.
Piping
Length
(m)
Addi-
tional
tional
Refri-
gerant
(g/m)
Pi-
ping
Leng-
th for
add.
gas
(m)
E7*** 3/4HP
15
15 20 7.5
E9*** 1.0HP
15
15 20 7.5
E12*** 1.5HP
9.52mm
(3/8”)
15 15
20
7.5
E15*** 1.75HP
15
15
20 7.5
E18*** 2.0HP
12.7mm
(1/2”)
15 20
20
7.5
E24*** 2.5HP
20
30 30 10
E28*** 3.0HP
15.88mm
(5/8”)
6.35mm
(1/4")
5
20
3
30 30 10
Example: For E9***
If the unit is installed at 10 m distance, the quantity of
additional refrigerant should be 50 g .... (10-7.5) m x
20 g/m = 50 g.
11.1.3 Indoor/Outdoor Unit Installation
Diagram
42
11.2 Indoor Unit
11.2.1 How to Fix Installation Plate
The mounting wall shall be strong and solid enough to
prevent it from the vibration.
prevent it from the vibration.
The center of installation plate should be at more than
c
at right and left of the wall.
The distance from installation plate edge to ceiling
should more than d.
From installation plate left edge to unit’s left side is e.
From installation plate right edge to unit’s right side is
f
should more than d.
From installation plate left edge to unit’s left side is e.
From installation plate right edge to unit’s right side is
f
.
○
B
: For left side piping, piping connection for
liquid should be about g from this line.
: For left side piping, piping connection for gas
should be about h from this line.
1 Mount the installation plate on the wall with
5 screws or more (at least 5 screws).
(If mounting the unit on the concrete wall,
consider using anchor bolts.)
(If mounting the unit on the concrete wall,
consider using anchor bolts.)
o
Always mount the installation plate
horizontally by aligning the marking-off
line with the thread and using a level
gauge.
line with the thread and using a level
gauge.
2 Drill the piping plate hole with ø70 mm hole-
core drill.
o
Line according to the left and right side of
the installation plate. The meeting point
of the extended line is the center of the
hole. Another method is by putting
measuring tape at position as shown in
the diagram above. The hole center is
obtained by measuring the distance
namely 128 mm for left and right hole
respectively.
the installation plate. The meeting point
of the extended line is the center of the
hole. Another method is by putting
measuring tape at position as shown in
the diagram above. The hole center is
obtained by measuring the distance
namely 128 mm for left and right hole
respectively.
o
Drill the piping hole at either the right or
the left and the hole should be slightly
slanting to the outdoor side.
the left and the hole should be slightly
slanting to the outdoor side.
11.2.2 To Drill a Hole in the Wall and
Install a Sleeve of Piping
1 Insert the piping sleeve to the hole.
2 Fix the bushing to the sleeve.
3 Cut the sleeve until it extrudes about 15 mm
2 Fix the bushing to the sleeve.
3 Cut the sleeve until it extrudes about 15 mm
from the wall.
4 Finish by sealing the sleeve with putty or
caulking compound at the final stage.
11.2.3 Indoor Unit Installation
43
11.2.3.1
For the right rear piping
11.2.3.2
For the right and right bottom
piping
11.2.3.3
For the embedded piping
(This can be used for left rear piping and bottom
piping also.)
piping also.)
44
11.2.4 Connect the Cable to the Indoor Unit
1 The inside and outside connection cable can
be connected without removing the front grille.
2 Connection cable between indoor unit and
outdoor unit shall be approved
polychloroprene sheathed 4 x 1.5 mm
polychloroprene sheathed 4 x 1.5 mm
2
flexible
cord, type designation 245 IEC 57 or heavier
cord.
cord.
3 Bind all the indoor and outdoor connection
cable with tape and route the connection
cable via the escapement.
cable via the escapement.
4 Remove the tapes and connect the
connection cable between indoor unit and
outdoor unit according to the diagram below.
outdoor unit according to the diagram below.
o
Secure the connecting cable onto the control board with the holder.
o
Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor’s
respectively.
respectively.
o
Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason.
Click on the first or last page to see other CS-E7NKDW / CS-E9NKDW / CS-E12NKDW / CS-E15NKDW / CS-E18NKDW / CU-E7NKD / CU-E9NKD / CU-E12NKD / CU-E15NKD / CU-E18NKD service manuals if exist.