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En-8
8) Pass indoor/outdoor unit connecting wire
D
process the end of the wire.
9) Loosenterminalscrew,andconnectrstthegroundwire,thenindoor/outdoor
unit connecting wire
D
to the terminal block. Be careful not to make mis-
wiring. Fix the wire to the terminal block securely so that no part of its core
is appeared, and no external force is conveyed to the connecting section of
the terminal block.
10) Firmly tighten the terminal screws to prevent them from loosening. After
tightening,pullthewireslightlytoconrmthattheydonotmove.
11) Reinstall the electrical cover (1).
3-1. PIPING WORK
1) Remove the pipe cover, hose band, pipe band, and spacer (cushion) of the
indoor unit. Dispose of the spacer (cushion), as it will not be needed.
2) When using pipe with super insulating material (about ø1-7/8 in. (ø48 mm)
liquid pipe, ø2 in. (ø51 mm) gas pipe) for indoor connecting pipe, remove
plate and turn it over so that the concave part faces upward.
When the ceiling is above 8 ft. (2.4 m) and 9 ft. (2.7 m) or below
Movetheslideswitch(SW3)totherighttoincreaseairowvolume.
* Whentheceilingisabove9ft.(2.7m),airowvolumemaybeinsufcienteven
withtheslideswitch(SW3)setto“increaseairow”.
1) Make sure that the breaker for air conditioner is turned OFF.
2) Remove electrical cover (1) and (2) of the indoor unit.
3) Slide out the electronic control P.C. board, and switch up the slide switch
(SW).
4) Put the electronic control P.C. board back to the original position, and install
electrical cover (1) and (2).
Note:
• Perform static elimination before setting.
• Default setting is Normal.
Plate
Pipe band
Plate
(turn over)
Plate
Pipe cover
Spacer (cushion)
3. FLARING WORK AND PIPE CONNECTION
[When using pipe with super insulating material]
Indoor terminal block
Indoor/outdoor unit
connecting wire
D
Outdoor terminal block
Grounding
terminal*
Disconnect switch
• For future servicing, give extra length to the connecting wires.
Electrical cover (1)
Electrical cover (2)
Electronic
control P.C.
board
Electrical cover (1)
Slide switch SW3
Normal Increaseairow
volume
Indoor/outdoor
unit connecting
wire
D
Terminal block
Remark:
* Use a ring tongue terminal
in order to connect a ground
wire to terminal.
BH79A643H01_01En.indd 8 2021/05/06 17:37:24
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