Sanyo MINI ECO-i SPW-CR365GXH56B Service Manual page 242

12. Serial-Parallel I/O Unit for Each
Indoor Unit (ACC-SP1AG(B))
7
(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
2
Thickness: 0.5 to 2.0 mm
Length: 200 m maximum
Connect to mode of 4 series
S e r i - P a r a I / O U n i t
f o r e a c h i n d o o r u n i t
CN1
15
T10 (12V)
14
13
R/C LINE A
12
Arrange at
the remote
locations
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.
Connect to model of 3 series
Seri-Para I/O Unit
for each indoor unit
CN1
15
T10 (12V)
14
Red
SG
11
White
R/C LINE B
12V
10
Black
GND
9
Arrange at
the remote
locations
G Remote control 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.
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.
7 - 182
T10 cable
(Accessory
components )
Wire joint
+: white, - : black
(Accessory
components )
I n d o o r u n i t s
PIN 5
T10 terminal
PIN 2
Remote control
line terminal
Remote controller
T10 cable
(Accessory
T10 cable
components
(Accessory
+: white, - : black
components )
Wire joint
+: white, - : black
(Accessory
components )
Indoor units
PIN 5
T10 terminal
PIN 2
SG
Remote control
12V
line terminal
GND
Remote controller
Mini ECO-i System
Remote Control Functions
)