English
11
INSTALLING THE DUCT
Connect the duct supplied in the field.
Air inlet side
• Attach the duct and intake-side flange (field supply).
• Connect the flange to the main unit with accessory screws (in 16, 20 or 24 positions).
• Wrap the intake-side flange and duct connection area with aluminum tape or something similar to prevent air escaping.
Caution
When attaching a duct to the intake side, be sure also to attach an air filter inside the air passage on the intake side. (Use an air
filter whose dust collecting efficiency is at least 50% in a gravimetric technique.)
Outlet side
• Connect the duct according to the inside of the outlet-side flange.
• Wrap the outlet-side flange and the duct connection area with aluminum tape
or something similar to prevent air escaping.
Caution
• Be sure to insulate the duct to prevent condensation from forming. (Material:
glass wool or polyethylene foam, 25mm thick)
• Use electric insulation between the duct and the wall when using metal ducts
to pass metal laths of the net or fence shape or metal plating into wooden
buildings.
WIRING
See the installation manual supplied with the outdoor unit.
HOW TO CONNECT WIRINGS
• Wire only after removing the
control box lid as shown in the
figure.
Caution
• When clamping the wiring, use
the included clamping material as
shown in the figure to prevent
outside pressure being exerted
on the wiring connections and
clamp firmly.
• When doing the wiring, make
sure the wiring is neat and does
not cause the control box lid to
stick up, then close the cover
firmly. When attaching the control
box lid, make sure you do not
pinch any wires.
• Outside the machine, separate the
weak wiring (remote controller
wiring) and strong wiring (earth wire
and power supply wiring) at least
50mm so that they do not pass
through the same place together.
Proximity may cause electrical
interference, malfunctions, and
breakage.
[ PRECAUTION ]
See also the “Electrical Wiring Diagram Nameplate” when wiring the unit for electrical power.
Insulation material
Aluminum tape
Flange
(Field supply)
(Field supply)
Outlet side
Air inlet side
Main unit
(Rear)
Wiring Diagram
Control box lid
Power supply wiring
Earth wire
*Remote controller wiring
• Make sure to let a wire go through a wire penetration area.
• After wiring, seal the wire and wire penetration area to
prevent moisture and small creatures from the outside.
• Wrap the strong and weak electric lines with the sealing
material as shown in the figure below.
(Otherwise, moisture or small creatures such as insects from
the outside may cause short-circuit inside the control box.)
Attach securely so that there are no gaps.
Wiring through
hole
Sealing material
(accessory)
Wire
[How to adhere it]
Outside
unit
Inside
unit
Содержание FNQ25A2VEB
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