Panasonic CS-E24MKDS / CU-E24MKD / CS-E28MKDS / CU-E28MKD Service Manual ▷ View online
25
10.1.6. Comparator Printed Circuit Board
10.1.7. Human Activity Sensor Printed Circuit Board
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10.2. Outdoor Unit
10.2.1. Main Printed Circuit Board
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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
• 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,
• 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.
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.
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
Model
Horse
Power
(HP)
Piping size
Std.
Leng-
th
(m)
Max.
Eleva-
tion
(m)
Min.
Piping
Length
(m)
Max.
Piping
Leng-
th
(m)
Addi-
tional
tional
Refri-
gerant
(g/m)
Pi-
ping
Leng-
th for
add.
gas
(m)
Gas
Liquid
E7***,
XE7***
3/4 ~
1.75HP
9.52mm
(3/8”)
6.35mm
(1/4”)
5
15
3
15
20
7.5
E9***,
XE9***
15
3
15
20
7.5
E12***,
XE12***
15
3
15
20
7.5
E15***,
XE15***
12.7mm
(1/2”)
15
3
15
20
7.5
E18***,
XE18*** 2.0 ~
2.25HP
15
3
20
20
7.5
E21***,
XE21***
15
3
20
20
7.5
E24*** 2.5HP 15.88mm
(5/8”)
20
3
30
30
10
E28*** 3.0HP
20
3
30
30
10
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