Panasonic CS-C9EKZW, Service Manual, Page: 22 / 57

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10 Installation Instruction
10.1. 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.
• The above models will be installed at a 15 m (max) distance.
The refrigerant should be added 75 g. (15-7.5) x 10 g=75 g
10.2.
Indoor/Outdoor Unit Installation
Diagram
Model
Piping size Rated
Length
(m)
Max
Elevation
(m)
Max.
piping
Length
(m)
Additional
Refrigerant
(g/m)
Gas Liquid
CS-C9EKZW x 2
CU-2C18EKH
3/8” 1/4” 7.5 5 15 10
CS-C9EKZW x 3
CU-3C20EKH
3/8” 1/4” 7.5 5 15 10