Carrier SERIES 131 58PAV Service And Maintenance Instructions page 7

FOUR
WIRE
TWO-WIRE
HEATING-
ONLY
BLK BLK
WHT WHT
GND GND
AUXILIARY
115-VOLT FIELD-
J-BOX
SUPPLIED
CONTROL
FUSED
DISCONNECT
FURNACE
Fig. 10—Heating and Cooling Application Wiring Diagram
115-VAC (L1)
POWER
SUPPLY
HOT SURFACE
IGNITOR
CONNECTOR
W R
W
R
G
C
Y
BOX
24-VOLT
TERMINAL
BLOCK
NOTE: Connect Y-terminal as
shown for proper
operation.
BLOWER OFF DELAY
ADJUSTMENT SWITCH
G
R
Y
W
TEST/TWIN
Com
24V
HUM
SEC-1
3-AMP FUSE
COOL
HEAT
115-VAC (L2) NEUTRAL
CONNECTION
INDUCER MOTOR
CONNECTOR
Fig. 11—Control Board
FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING
THERMOSTAT
G Y
FIELD-SUPPLIED
TERMINALS
FUSED DISCONNECT
CONDENSING
UNIT
TWO
NOTE: If any of the original wire,
WIRE
as supplied, must be replaced, use
same type or equivalent wire.
24V THERMOSTAT
TERMINALS
HUMIDIFIER TERMINAL
(24-VAC 0.5 AMP MAX)
LED OPERATION &
DIAGNOSTIC LIGHT
HARNESS CONNECTOR
24V TRANSFORMER SEC-2
SPARE 1
BLOWER SPEED
SELECTION TERMINALS
SPARE 2
EAC 1 (BLACK)
EAC-ELECTRONIC AIR CLEANER
TERMINALS (115-VAC 1 AMP MAX)
EAC 2 (WHITE)
7
208/230- OR
460-VOLT
THREE
PHASE
208/230-
VOLT
SINGLE
PHASE
GND
A78461
A93052