Carrier 58SU0A Installation, Start-Up, Operating And Service And Maintenance Instructions page 20

SW1 - FAULT
RECALL/CLEAR
AND COMPONENT
TEST BUTTON
SW1
COOL ON-DELAY AND HEAT OFF-
DELAY (JUMPER SHOWN IN
FACTORY DEFAULT POSITION)
COOL
HEAT
MULTICOLOR STATUS
LED LIGHT
(RED/GREEN/AMBER)
LED
ID PLUG CONNECTOR
(ID PLUG IS A
SEPARATE PART)
24-VAC THERMOSTAT
TERMINALS
MAIN HARNESS
CONNECTION FOR 24-VAC
COMPONENTS
TRANSFORMER 24-VAC
CONNECTIONS
(ATTACHMENT AT PIN
10 (RED) AND 11 (BLUE)
WIRES)
3-AMP FUSE
Fig. 24 − Heating and Cooling Application Wiring Diagram with 1−Stage Thermostat
SW1 – SEE
DIAGNOSTIC
LABEL FOR USE
OF THIS SWITCH
B A
J6
J5
D C B A
J10
ID Plug
J4
J9
12 9 6 3
11 8 5 2
10 7 4 1
SPARE1 SPARE2
3A Fuse
ECM BLOWER MOTOR SPEED OUTPUTS 24-VAC COOL/HEAT/FAN
SPARE1 & 2 ARE FOR MOTOR TAPS NOT BEING USED
SEE INSTRUCTIONS FOR MOTOR SPEED SELECTION OPTIONS
Fig. 23 − Furnace Control
Representative drawing only, some models may vary.
20
INDUCER MOTOR
LOW VOLTAGE
CONNECTOR
J11
3 2 1
2 4
J3
3
1
NEUT
NEUT
LABEL WITH
PART
L1
NUMBER /
DATE CODE
BL
(WWYY) /
PR
SOFTWARE
VERSION
HUM
EAC
FLAME
GND
FAN
COM COOL HEAT
INFORMATION
LABEL
INDUCER MOTOR AND
IGNITER 115-VAC / NEUTRAL
CONNECTOR
115-VAC (L2) NEUTRAL
CONNECTIONS – L2, ECM
BLOWER, TRANSFORMER,
HUM/EAC (WHEN USED)
115-VAC LINE CONNECTION (L1)
ECM BLOWER 115VAC
PRIMARY OF TRANSFORMER 115-VAC
HUMIDIFIER 115-VAC (WHEN USED)
EAC 115-VAC (WHEN USED)
FLAME SENSOR
NO CONNECTION AT GND –
PIN 8 (J9) IS USED FOR GND
(GROUNDED AT BURNER
BOX OR CASING)
A180213
A180241