Panasonic CS-E24NKDS / CS-E28NKDS / CU-E24NKD / CU-E28NKD Service Manual ▷ View online
25
10.1.5 Human Activity Sensor Printed Circuit Board
26
10.2 Outdoor Unit
10.2.1 Main Printed Circuit Board
27
10.2.2 Noise Filter Circuit Board
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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.
Length
(m)
Max
Eleva-
tion (m)
Min.
Piping
Length
(m)
Max.
Piping
Length
(m)
Addi-
tional
tional
Refri-
gerant
(g/m)
Piping
Length
for add.
gas (m)
gas (m)
E7*** 3/4HP
15
3
15 20
7.5
E9*** 1.0HP
15
3
15 20
7.5
E12**
*
*
1.5HP
9.52
mm
(3/8”)
15 3 15
20
7.5
E15**
*
*
1.75HP 15
3
15
20
7.5
E18**
*
*
2.0HP
12.7
mm
(1/2”)
15 3 20
20
7.5
E24**
*
*
2.5HP 20
3
30
30
10
E28**
*
*
3.0HP
15.88
mm
(5/8”)
6.35
mm
(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.
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
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