7
- 129
Mini ECO-i System
Remote Control Functions
7
8. Local Adaptor for ON/OFF
Controller (SHA-KL4UG(B))
CN1
CN2
CN3
Cable clamps
Clip wires
Securing the wiring
Make sure to secure all wiring using the clip wires inside the unit, and the
cable clamps outside the unit.
Indoor / outdoor operation lines
Indoor unit
Local adapter
Central control unit
Relay control unit
Power supply,
high-voltage
output wiring
Power supply
wiring port
Communication
s and signal line
wiring port
Communications
and low-voltage
signal wiring
〜
AC110-240V
CN1
CN2
Circuit example for high-voltage set output
equipment
If the SET / RESET output uses high voltage signaling (110 - 240 V AC), pull
that signal line out through the power supply wiring port. Bundling the high
voltage signal line with the communications lines or low-voltage signal lines,
or allowing it to touch them, may result in malfunction.
2 3
CN3
U1 U2
(2) Connecting to the central control unit
Connect the local adapter indoor / outdoor operation lines (CN3, (2) and (3)) to
the central control unit indoor / outdoor operation lines, as shown in the diagram
below.
These signal lines do not have polarity; either signal line may be connected
to terminals (2) and (3).
These terminals may also be connected to the indoor / outdoor operation
lines of other indoor or outdoor units.
Termination Plug (JP1)
If the system is comprised of a single local adapter, and there are no air
conditioner units connected directly to the indoor / outdoor operation lines, then a
jumper must be installed on the B side of the termination plug (JP1) of the single
local adapter.
Jumper on the A side of JP1: termination resistor not connected
(factory default setting)
Jumper on the B side of JP1: termination resistor connected
no termination resistor
termination resistor connected
06-408 Mini_ECOi_SM7 11/10/06 7:24 PM Page 129
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