76
FTX-N/U, FVXS-N, FDMQ-R Series EDUS091558E
C: 3P379970-5B
6
2� Drilling a wall hole and installing wall embedded pipe
WARNING
For metal frame or metal board walls, be sure to use a wall embedded pipe and wall hole cover in the feed-through hole to
prevent possible heat, electric shock, or re.
• Be sure to caulk the gaps around the pipes with caulking material to prevent
condensation.
1) Drill a feed-through hole with a φ2-9/16 inch (65mm) (for 09/12 class),
φ3-1/8 inch (80mm) (for 15/18/24 class) diameter through the wall at a
downward angle toward the outside.
2) Insert a wall embedded pipe into the hole.
3) Insert a wall hole cover into wall pipe.
4) After completing refrigerant piping, wiring, and drain piping, caulk the pipe
hole gap with putty.
Inside
Outside
Caulking
(eld supply)
Wall embedded
pipe
(eld supply)
Wall hole cover
(eld supply)
φ2-9/16”
(65mm)
φ3-1/8”
(80mm)
09/12 class
15/18/24
class
3� Installing the indoor unit
In the case of bending or curing refrigerant pipes, keep the following precautions in mind.
Abnormal sound may be generated if improper work is conducted.
• Do not strongly press the refrigerant pipes onto the bottom frame.
• Do not strongly press the refrigerant pipes on the front grille, either.
3-1� Right-side, right-back, or right-bottom piping
1) Attach the drain hose to the underside of the refrigerant pipes with
adhesive vinyl tape.
2) Wrap the refrigerant pipes and drain hose together with
J
insulation
tape.
Right-bottom
piping
Right-side piping
Right-back piping
Bind refrigerant
pipe and drain
hose together with
insulation tape.
Remove pipe port
cover here for
right-side piping.
Remove pipe port cover
here for right-bottom piping.
J
3) Pass the drain hose and refrigerant pipes through the wall hole, then set
the indoor unit on the
A
mounting plate hooks by using the markings
at the top of the indoor unit as a guide.
Mounting plate
A
4) Open the front panel (Refer to “Installation Tips”on page 10), then open
the service lid (Refer to “Indoor Unit Installation Diagram”on page 4).
5) Pass the inter-unit wire from the outdoor unit through the feed-through
wall hole and pass to the front of indoor unit from the back. Then pull
them at front side. Bend the ends of cable tie wires upward for easier
work in advance.
6) Press the bottom frame of the indoor unit with both hands to set it on the
A
mounting plate hooks. Make sure the wire leads do not catch on the
edge of the indoor unit.
A
When stripping the
ends of inter-unit wire
in advance, bundle the wire
lead ends with tape.
Wire guide
Hang indoor unit on the hooks of
mounting plate.
Inter-unit
wire
Mounting
plate
01_EN_3P379970-5B.indd 6 10/29/2015 16:21:02
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