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6
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’10 • SC-T-154
(7) Installation procedure
(a) In case of embedding in a wall, first, embed the power supply
wire, signal wire, and electrical box.
Keep the power supply wire and signal wire separated to
prevent malfunctions.
(b) Open the top case by following the procedure below.
①
Grasp the indentations on the right and left sides, and
pull forward to open the cover downward.
②
Use a phillips-head screwdriver to remove the screw.
(Be careful not to lose the screw.)
③
Open the top section in the direction 4 while gently
pressing the top section.
(c) Connect the power supply wire to the terminal.
(See section
(8) Electrical wiring.
)
(d) Use the supplied pan-head screws to secure the central
control to the electrical box or control board.
Caution
The back of the central control
(e) Use a precision screwdriver to make the control selector
settings.
(For details, see section
(10) Control switch selection.
)
(f) Peel off the protective sheet on the screen of central control.
(g) Insert the top case back into its original location in the bottom
case as before, and tighten the case mounting screws [(b),
②
].
This completes the installation procedure.
Caution
The case and power supply kit are an integrated unit.
Please do not separate them.
(8) Electrical wiring
For safety reasons, please use the round crimping terminals with insulated sleeves for connecting all wires to the central control.
c
Please do the grounding work. Please do not connect earth line with gas pipes, water pipes, lightning rods and grounding line of
telephone.
c
Please do not turn on the power supply (local switch) until all of the work is completed.
c
Please wait at least two minutes after the indoor and outdoor units are turned on before turning on the power supply.
c
Except for the central control in the figure, all of the components are obtained at the site (wires, switches, relays, power supply,
lamps, etc.).
c
Please be sure to build the breaker which is easily accessible with building equipment's wiring.
c
Please be sure to use the supplied round crimping terminals when connecting wires to the power supply terminal block and
Super Link terminal block.
c
Please use demand input device, emergency stop input device and external timer input device comply with a relevant IEC safety
standard.
Important
Please peel off the protective sheet on the air
conditioner screen when transferring the central
control to the customer. Peel off before mounting
the top case.
(26 pages)
(37 pages)
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