Panasonic CS-HE12JKE, Service Manual, Page: 23 / 97

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11 Installation Instruction
11.1. Select The Best Location
INDOOR UNIT
• 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.
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.
• 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 rated length, additional refrigerant
should be added as shown in the table.
Example: For HE9***
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
11.2. Indoor/Outdoor Unit
Installation Diagram
Model
Horse
Power
(HP)
Piping
size
Std.
Length
(m)
Max.
Ele-
vation
(m)
Min.
Piping
Length
(m)
Max.
Piping
Length
(m)
Addi-
tional
Refri-
gerant
(g/m)
Piping
Length
for
add.
gas
(m)
Gas
Li-
quid
HE9*** 1.0HP 3/8”
1/4” 5
5 3 15 20 7.5
HE12*** 1.5HP 1/2” 5 3 15 20 7.5