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5
Indoor Unit
4.Wiring
� WARNING--------------
• Do not use tapped wires, extension cords, or starburst connections, as they may cause overheating, electrical
shock, or fire.
• Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc.,
from the terminal block.) Doing so may cause electric shock or fire.
• Do not connect the power wire to the indoor unit. Doing so may cause electric shock or fire.
1) Strip wire ends (15mm).
2) Match wire colours with terminal numbers on the indoor and
outdoor unit's terminal blocks and firmly secure the wires in the
corresponding terminals with the screws.
3) Connect the earth wire to the corresponding terminals.
Attach the earth wire so that it is not connected to the fan motor connector.
4) Pull the wires lightly to make sure they are securely connected, then secure
them with the wire retainer.
5) Shape the wires so that the service lid fits securely, then close service lid.
Firmly fix the wires with
the terminal screws.
Inter-unit wire
4-core 1.5mm2 or more
IS:694
I
Indoor
�I____ \ _
umt
-\
Firmly fix the wires with
the terminal screws.
Outdoor
unit
Power supply wire
3-core 1 .5mm
2
or more
IS:694
::::--ir---
Earth leaka
circuit breake
• A voltage stabilizer is not needed
Model
Protection against fluctuation
FTKZ50UV16U4
140V-265V
5. 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.
Power supply
50Hz 230V
Shape wires so
that the service
Hd fits securely.
Use the specified
wire type.
The drain hose should
be inclined downward.
No trap is permitted.
�
Do not put the end
of the hose in water .
,(-
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.
Drain hose supplied
with the indoor unit
Extension drain hose
..
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��}=P""""'--
Heat insulation tube
(field supply)
o::::=J -- �
Commercially
available drain
socket (nominal
diameter 13mm)
Commercialy
available rigid
polyvinyl chloride
pipe (nominal
diameter 13mm)