Wiring System Diagrams - Sanyo C4272R Service Manual

Indoor Unit
(B) Power Supply
Type
AWG #14
X, K, T, U Max. length 67 ft.
Control Wiring
(C) Inter-Unit Control Wiring
AWG #18
Use high voltage wire (300 V)
Max. 3,300 ft.

Wiring System Diagrams

Basic wiring diagram for standard control
Remote
controller
WHT
1 1
BLK
2 2
NOTE
1) Refer to " Recommended Wire Length and Wire
Diameter for Power Supply System" for the explana-
tion of "A", "B", "C", "D", and "E", in the above dia-
grams.
2) Inter-Unit Control Wiring (C) and remote controller
wiring (D), (E) have no polarity. But for other wiring,
respect polarity. Be sure to connect as shown in the
Wiring System Diagram.
3) In case of separate supply connection to indoor unit,
over current protection must be provided between
power source and indoor unit.
MAXIMUM OVER CURRENT PROTECTION 15 A
(FUSE OR HACRTYPE CIRCUIT BREAKER)
Trade Size
(Fuse or HACR
of Conduit
type circuit breaker)
3/4 in.
(D) Remote Control Wiring
*1
AWG #18
Max. 1,650 ft.
Inter-unit power line
Indoor
208 / 230 V, 60 Hz
unit
1
2
G
Grounding line
U1
U2
D
Ground
MOP
15 A
(E) Control Wiring For Group Control
*2 2
(0.75 mm )
Outdoor unit
INV unit
A
L1
L2
B
Grounding line
1
2
G
C
U1
U2
8P terminal board
U1 U2
Inter-unit
control wiring power wiring
X, T, U Type
5P terminal board
1 2 G U1
Inter-unit
Inter-unit
power wiring
control wiring
K Type
4P terminal board
1 2
U1 U2
Inter-unit Inter-unit
control wiring power wiring
I-99
1. Specifications
*2 2
AWG #18 (0.75 mm )
–
Max. 1,650 ft. (Total)
–
*1 With ring-type wire terminal.
Wire joint connection.
*2
L1
Power supply
L2
208 / 230 V, 60Hz
CH Type
1 2 G L1
L2
Inter-unit Power wiring
U2
Remote
controller wiring
G
Remote
controller wiring
SM831148
1
2
3
4
5
6