Fig. 11—control board – Carrier SERIES 131 58PAV User Manual

Page 7

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Fig. 10—Heating and Cooling Application Wiring Diagram

A78461

115-VOLT FIELD-

SUPPLIED

FUSED

DISCONNECT

AUXILIARY
J-BOX

CONTROL

BOX

24-VOLT

TERMINAL

BLOCK

TWO-WIRE

HEATING-

ONLY

FOUR

WIRE

FIELD-SUPPLIED
FUSED DISCONNECT

CONDENSING
UNIT

TWO
WIRE

FURNACE

R

G

C

W

R

G

Y

GND

GND

FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING

NOTE:

208/230- OR
460-VOLT
THREE
PHASE

208/230-
VOLT
SINGLE
PHASE

WHT

BLK

WHT

BLK

If any of the original wire,
as supplied, must be replaced, use
same type or equivalent wire.

NOTE: Connect Y-terminal as

shown for proper
operation.

W

Y

GND

THERMOSTAT
TERMINALS

Fig. 11—Control Board

A93052

G

R

Y

W

3-AMP FUSE

Com

24V

HUMIDIFIER TERMINAL
(24-VAC 0.5 AMP MAX)

LED OPERATION &
DIAGNOSTIC LIGHT

HARNESS CONNECTOR

24V TRANSFORMER SEC-2

SPARE 1

SPARE 2

EAC 1 (BLACK)

EAC-ELECTRONIC AIR CLEANER
TERMINALS (115-VAC 1 AMP MAX)

EAC 2 (WHITE)

115-VAC (L2) NEUTRAL
CONNECTION

24V THERMOSTAT
TERMINALS

BLOWER SPEED
SELECTION TERMINALS

INDUCER MOTOR
CONNECTOR

115-VAC (L1)

POWER

SUPPLY

HOT SURFACE

IGNITOR

CONNECTOR

HEAT

COOL

BLOWER OFF DELAY
ADJUSTMENT SWITCH

SEC-1

TEST/TWIN

HUM

7

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