1-11-1-1-3
1
(3) If branching the inter-unit control wiring, the number of branch points should be 16 or fewer.
Central Controller
Outdoor unit
Outdoor unit
Outdoor unit
Indoor unit
Indoor unit
Indoor unit
: Branch point
More than 2m required
(4) Use shielded wires for inter-unit control wiring (C) and ground the shield on both sides, otherwise misoperation from
noise may occur.
Connect wiring as shown in Section “ Wiring System Diagrams” on page 1-11-1-1-2.
(Functional earthing) (Functional earthing)
Shielded wire
rating specifications) or use the cables based on IEC standard. (60245 IEC57, 60245 IEC66)
)RAH( CELENEC ot mrofnoc hcihw F-NR70H ro F-NR50H sa hcus( eporuE rof selbac ylppus rewop dradnats eht esU )5(
WARNING
Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also occur. Therefore,
ensure that all wiring is tightly connected.
When connecting each power wire to the terminal, follow the instructions on “How to connect wiring to the terminal” and fasten the
wire securely with the terminal screw.
Stranded wire
Ring
terminal
pressure
Screw and
Special washer
Ring
terminal
pressure
Terminal board
terminal
Ring pressure
Wire
Wire
Strip 10 mm
How to connect wiring to the terminal
Using a ring connector fastener or pliers, securely clamp
each stripped wire end with a ring pressure terminal.
Place the ring pressure terminal, and replace and tighten
the removed terminal screw using a screwdriver.
Special
Screw
washer
For stranded wiring
(1) Cut the wire end with cutting pliers, then strip the insulation
to expose the stranded wiring about 10 mm and tightly
twist the wire ends.
screw(s) on the terminal board.
(2) Using a Phillips head screwdriver, remove the terminal
(3)
(4)
SM830281-00_欧州向け R32シングル TD＆SM.indb 3 20/01/09 14:59:31
To Next Page
Loading...
