INSTALLATION PROCEDURE
PREPARING INDOOR UNIT INSTALLATION
1. REMOVE THE INTAKE GRILL
Install the room air conditioner as follows:
Open the intake grill and remove the
three or four or six screws.(Fig. 1)
(Fig. 1)
When the directions are selected, drill a 7 cm dia. hole on the wall so
that the hole is tilted downward toward the outdoor for smooth water
flow. When the pipe is led out from the rear, make a hole in Fig.6, at
the position shown.
(Fig.3)
Remark: The main unit can be wired before
the indoor unit is installed. Select
the most appropriate installation
order.
For series 28, there is no power plug.
A. FLOOR CONSOLE TYPE
1. DRILLING FOR PIPING
Select piping and drain directions.(Fig.2)
The piping and drain can be made in three directions as shown below.
The drain hose can be connected to either the left or right side.(Fig.3) For series 28 only right side.
(Fig. 2)
rear
right
down
CONNECTION PIPE REQUIREMENT
Table 1
M o d e l
Diameter
Liquid side
Gas side
Maximum
length
Maximum height
(between indoor
and outdoor)
9.52 mm
15.88 mm
30 m
20 m
HCFU-28CF03 HCFU-28HF03
Machine screw
Tapping screw
Tapping screw
Intake grill
13
Installation of Indoor Unit
6.35 mm
12.7 mm
15 m
5 m
HCFU-18CF03 HCFU-18HF03
Drain hose (Left side)
Drain hose (Right side)
