7
7
- 181
Mini ECO-i System
Remote Control Functions
12. Serial-Parallel I/O Unit for Each
Indoor Unit (ACC-SP1AG(B))
Wiring
Arrangement of the terminal block and switches
Securing the wiring
CN1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
+
-
SG
12V
GND
+
+
+
-
+
-
+
-
12 V power supply
Remote control line A
Remote control line B
Digital input
Analog input (Change
temperature setting)
Analog output (Room
temperature monitor)
CN2
1
2
3
4
DO1
COM
DO2
COM
Digital output 1
(Start output)
Digital output 2
(Alarm output)
CN2
CN8
S1
S5
S3
S4
S2
CN1
DO1
(Start)
(Alarm)
(U.H.J1.A.J2)
(12V)
D
O2
COM
COM
COM
D
I1
DI2
DI3
AO
ON
ON
JP6
JP5
JP4
JP3
JP2
JP1
ON
OFF
D3
BOOT MODE
1
4
1
2 3 4
NON VOLTAGE
VOLTAGE
0-10V
0-140
Ω
NORMAL
+
-
AI
+
-
T10
+
-
SG
12V
GND
R/C
LINE A
(T.G)
R/C
LINE B
+
+
-
+
S1
S2
S3
S4
S5
Control type setting switch
Detail setting switch
Voltage present / absent switch
Set temperature input select switch
Not used
T10(12V)
R/C LINE A
R/C LINE B
DI 3
DI 2
DI 1
COM
AI
AO
Caution:
G
Always use round connectors with insulator holddown for wiring to the terminal
block. (CN1 uses M3.0, CN2 uses M3.5)
Make sure to secure all wiring using the clip wires inside the unit, and the
cable clamps outside the unit.
Removing the top cover
Caution:
G
If using high-voltage wiring such as AC power supply (Digital output), make sure that
wiring does not contact any component on the circuit board, or any low-voltage (CN1)
wiring.
CN1
CN2
1
4
15
10
5
1
Not used
CN8
Digital input
Analog I/O
lines
Remote control lines
12V Power Supply lines
Cable clamps
Digital output
lines
Clip wires
06-408 Mini_ECOi_SM7 11/10/06 7:25 PM Page 181
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