11
■
English
Indoor Unit Installation
4) Remove the electric parts box cover.
(3 tabs) (Refer to Fig. 2)
4-1) Discharge the tab 3.
4-2) Pull up the electric parts box cover
slowly, discharge the tab 4, slide up,
and discharge the tab 5.
5) Insert the connection cord into the HA
connector “S21”.
6) Lay the connection cord as shown in
“Fig. 3”.
7) Replace the electric parts box cover and
electric parts box as they were.
8) Attach the decelerator assembly part
along with the guide rail. (Refer to Fig. 2)
9) Install the front grille.
8.
Drain piping.
1) Connect the drain hose, as described right.
2) Remove the air filters and pour some water into the drain pan to check the water
flows smoothly.
3) When drain hose requires extension, obtain an extension hose commercially
available.
Be sure to thermally insulate the indoor section of the extension hose.
4) When connecting a rigid polyvinyl chloride pipe
(nominal diameter 13mm) directly to the drain
hose attached to the indoor unit as with
embedded piping work, use any commercially
available drain socket (nominal diameter 13mm)
as a joint.
9.
Improving installation strength.
• We recommend screwing the indoor unit onto a
mounting plate in order to improve the
installation strength.
1) Remove the front grille.
2) Screw in the indoor unit with fixing screws.
3) Attach the front grille.
Tab 3
Electric parts box cover
Guide rail
Tab 4
Tab 5
Fig. 2
Inside the electric parts box
Fig. 3
Electric parts box cover
HA connector
“S21”
To connection cord
The drain hose should
be inclined downward.
No trap is permitted.
Do not put the end
of the hose in water.
Indoor unit
drain hose
φ
18
Extension drain hose
Heat insulation tube
(Field supply)
Drain hose supplied with
the indoor unit
Commercially available drain
socket
(nominal diameter 13mm)
Commercially available rigid
polyvinyl chloride pipe
(nominal diameter 13mm)
φ
18
Shape of
rear side of
indoor unit
Wall
Piping
Indoor unit
Screw position
A
Mounting plate
A
Mounting plate
Screw in
F
Fixing screw (M4 × 12L)
Front diagram
Enlarged diagram
Screw position
A
F
01_EN_3P177302-1.fm Page 11 Tuesday, May 30, 2006 9:36 AM
Summary of Contents for FTXR28EV1B
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