Mini ECO-i System
Remote Control Functions
7
7
- 182
12. Serial-Parallel I/O Unit for Each
Indoor Unit (ACC-SP1AG(B))
(1) Connecting to indoor units
G
Do not run the control lines and power cables in the same conduit, do
not connect those lines and cables with the same wire, and do not
place those lines and cables close together. (Maintain a minimum 30
cm separation.)
G
Wiring specifications
Type:
vinyl insulated cord with sheath
Thickness: 0.5 to 2.0 mm
2
Length:
200 m maximum
Connect to mode of 4 series
Connect to model of 3 series
G
Remote control line
Connect terminals 12 and 13 (Remote Control Line A) on the Seri-Para
I/O Unit terminal block CN1 to the Remote Control terminals of the indoor
unit.
There is no polarity for the signal wires.
G
12V power supply line
Connect terminals 14 and 15 (12V Power Supply Line) on the Seri-
Para I/O Unit terminal block CN1 to the T10 terminal of the indoor unit.
The polarity of the connection is important; make sure to connect the +
and - terminals correctly.
Wiring the polarity incorrectly may result in damage to the units.
G
Remote control line
G
12V power supply line
Connect terminals 9, 10, and 11 (Remote Control Line B) on the Seri-
Para I/O Unit terminal block CN1 to the Remote Control terminals of
the indoor unit. The polarity of the connection is important; make sure
to connect the GND, 12V and SG correctly.
Wiring the polarity incorrectly may result in damage to the units.
Connect terminals 14 and 15 (12V Power Supply Line) on the Seri-
Para I/O Unit terminal block CN1 to the T10 terminal of the indoor
unit.
The polarity of the connection is important; make sure to connect
the + and - terminals correctly.
Wiring the polarity incorrectly may result in damage to the units.
R
emote
station
S
eri-Para I/O Unit
for each indoor unit
Indoor units
Remote control
line terminal
R/C LINE A
T10 (12V)
PIN 5
T10 terminal
PIN 2
Arrange at
the remote
locations
T10 cable
(Accessory
components
)
+: white, -: black
Wire joint
(Accessory
components
)
CN1
15
14
13
12
Remote controller
R
emote
station
Seri-Para I/O Unit
for each indoor unit
Indoor units
R/C LINE B
T10 (12V)
Arrange at
the remote
locations
T10 cable
(Accessory
components
)
+: white, -: black
Wire joint
(Accessory
components
)
CN1
15
14
Remote controller
SG
12V
GND
11
10
9
T10 cable
(Accessory
components
)
+: white, -: black
SG
12V
GND
Red
White
Black
Remote control
line terminal
PIN 5
T10 terminal
PIN 2
06-408 Mini_ECOi_SM7 11/10/06 7:25 PM Page 182
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