Wiring System Diagrams - Sanyo C4272R S/C Installation Instructions Manual

07-115 SSHP_II 5/7/07 4:00 PM
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.

5-3. Wiring System Diagrams

Basic wiring diagram for standard control
Remote
controller
WHT
BLK
NOTE
(1) Refer to Section 5-2. Recommended Wire Length
and Wire Diameter for Power Supply System for
the explanation of "A", "B", "C", "D", and "E", in the
above diagrams.
(2) Inter-Unit Control Wiring (C) and remote control-
ler 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)
Page 58
Trade Size
(Fuse or HACR
of Conduit
type circuit breaker)
3/4 in.
(D) Remote Control Wiring
*1 AWG #18
Max. 1,650 ft.
Indoor
unit
1
2
G
Grounding line
U1
U2
D
1 1
2 2
MOP
15 A
(E) Control Wiring For Group Control
*2 2
(0.75 mm ) AWG #18
*1
*2
Outdoor unit
INV unit
A
Inter-unit power line
L1
208 / 230 V, 60 Hz
L2
B
Grounding line
1
2
G
C
U1
U2
Ground
Inter-unit
control wiring
X, T, U Type
5P terminal board
1 2 G
Inter-unit
power wiring
K Type
4P terminal board
U1 U2
Inter-unit
control wiring
58
*2 2
(0.75 mm )
–
Max. 1,650 ft. (Total)
–
With ring-type wire terminal.
Wire joint connection.
L1
Power supply
L2 208 / 230 V, 60Hz
CH Type
8P terminal board
U1 U2 1 2 G L1 L2
Inter-unit Power wiring
power wiring
U1 U2
Inter-unit Remote
control wiring controller wiring
1 2 G
Inter-unit Remote
power wiring controller wiring