Carrier 58CTW Installation, Start-Up, Operating And Service And Maintenance Instructions page 24

WIRE
THREE-WIRE
HEATING-
ONLY
BLK BLK
WHT WHT
GND
115-VOLT FIELD- JUNCTION
SUPPLIED BOX
FUSED
CONTROL
DISCONNECT
FURNACE
MODEL PLUG
SW1 SETUP
CONNECTOR
SWITCHES AND
BLOWER OFF-
DELAY
COMMUNICATION
CONNECTOR
24-V THERMOSTAT
TERMINALS
STATUS AND COMM
LED LIGHTS
PL1 – LOW VOLTAGE MAIN
HARNESS CONNECTOR
3-AMP FUSE
TRANSFORMER 24-VAC
CONNECTIONS
115-VAC (L2) NEUTRAL
CONNECTIONS
Fig. 26 - - Variable Speed Furnace Control for ECM Blower Motor
NOTE 2
W C Y
FIVE
W2
COM
W/W1
NOTE 1
Y/Y2
R
BOX G
24-VOLT
TERMINAL NOTES: 1.
BLOCK 2.
3.
Fig. 25 - - Field Wiring Diagram
OUTDOOR
AIR TEMP
CONNECTOR
115-VAC (L1) LINE
VOLTAGE CONNECTIONS
FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING
1-STAGE
THERMOSTAT
R G
TERMINALS
FUSED DISCONNECT
CONDENSING
UNIT
Connect Y/Y2-terminal as shown for proper operation.
Some thermostats require a "C" terminal connection as shown.
If any of the original wire, as supplied, must be replaced, use
same type or equivalent wire.
AIR CONDITIONING (A/C) &
HUMIDIFIER
CONTINUOUS FAN (CF)
TERMINAL (24-VAC
AIRFLOW SETUP SWITCHES
0.5 AMP MAX.)
FLASH
UPGRADE
CONNECTOR
(FACTORY
ONLY)
PL2 – HOT SURFACE
EAC-1 TERMINAL
IGNITER & INDUCER
(115-VAC 1.0 AMP MAX.)
MOTOR CONNECTOR
24
FIELD-SUPPLIED
208/230- OR
460-VOLT
THREE
PHASE
208/230-
VOLT
SINGLE
PHASE
GND
ACRDJ – AIR
CONDITIONING
RELAY DISABLE
JUMPER
SOFTWARE
VERSION
A95236
L14F003