Panasonic CS-PC18GKF, Service Manual, Page: 22 / 64

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11 Installation Instruction
11.1. CS-PC18GKF CU-PC18GKF
11.1.1. 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 7.5m, additional refrigerant should be
added as shown in the table.
REMOTE CONTROL
• Do not install at place where there is direct sunlight or near
any heat source.
Example: For C18GK
If the unit is installed at a 10m distance, the quantity of
additional refrigerant should be 50g....(10 - 7.5)m x 20g/m =50g
11.1.2. Indoor/Outdoor Unit Installation
Diagram
Model
Piping size
Rated
Length
(m)
Max.
Elevation
(m)
Min.
Piping
Length
(m)
Max.
Piping
Length
(m)
Additional
Refrigerant
(g/m)
Gas Liquid
C18GK
PC18GK
1/2” 1/4” 5 20 3 25 20