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12. Installation Instruction (E18RK and E24RK)
12.1
Select the Best Location
12.1.1
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 8 ft (2.4 m).
12.1.2
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.
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.
Recommended installation height for outdoor unit
should be above the seasonal snow level.
Piping size
Capacity
Model
(Btu/h)
Length
Gas
Liquid
1/2"
E18RKUA
17200
(
12.7 mm)
1/4"
24.6 ft
(
(
6.35 mm)
7.5 m)
5/8"
E24RKUA
24000
(
15.88 mm)
Example: For E18RKUA
If the unit is installed at 41 ft (12.5 m) distance, the
quantity of additional refrigerant should be 2.46 oz
(62.5 g) .... (41 - 32.8) ft x 0.3 oz/ft = 2.46 oz.
((12.5 - 10) m x 25 g/m = 62.5 g).
Min.
Max.
Std.
Max.
Additional
Piping
Piping
Elevation
Refrigerant
Length
Length
49.2 ft
9.8 ft
100.0 ft
0.3 oz/ft
(
(
(
(
15 m)
3 m)
30.5 m)
25 g/m)
12.1.3
Indoor/Outdoor Unit Installation
Diagram
Piping direction
Right
Rear
Right
Left
bottom
Rear Left bottom
1
31
/
"
32
(50 mm)
or more
Insulation of piping connections
• Carry out insulation after
checking for gas leaks and
secure with vinyl tape.
Attaching the remote control holder to the wall
Remote control holder fixing screws
Remote
3
control
It is advisable to
avoid more than 2
blockage directions.
For better ventilation
& multiple-outdoor
installation, please
consult authorized
dealer/specialist.
• This illustration is for
explanation purposes only.
The indoor unit will actually face
a different way.
Piping
Length
for add.
gas
32.8 ft
(
10 m)
41
Attention not to bend
(Front side)
up drain hose
Left
(Left and right are identical)
Floor / Grade level
Vinyl tape
6
5
Remote control holder
Installation parts you
should purchase ( )
Installation plate 1
Bushing-Sleeve ( )
Sleeve ( )
Putty ( )
(Gum Type Sealer)
Bend the pipe as
closely on the wall as
possible, but be careful
that it doesn't break.
Vinyl tape (wide) ( )
• Apply after carrying
out a drainage test.
• To carry out the
drainage test,
remove the air filters
and pour water into
the heat exchanger.
Saddle ( )
Conduit
(Power supply cord ( ))
Conduit
(Connection cable)
Liquid side piping ( )
Gas side piping ( )
Additional drain hose
Control Board cover
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