Carrier 101 Series Service And Maintenance Instructions page 6

FIVE WIRE
THREE-WIRE
HEATING-ONLY
BLOWER DOOR SWITCH
BLK BLK
WHT WHT
GND GND
AUXILIARY
115-VOLT FIELD-
J-BOX
SUPPLIED
FUSED
DISCONNECT
FURNACE
115-VAC (L1)
POWER
SUPPLY
NOTE 2
W C R
W
C
R
O
N
T
R
G
O
C
L
NOTE 1
Y
24-VOLT
TERMINAL
BLOCK
NOTES: 1.
2.
3.
Fig. 5—Heating and Cooling Application Wiring Diagram
TEST/TWIN
SEC-1
3-AMP FUSE
COOL
HEAT
HOT SURFACE
INDUCER MOTOR
IGNITOR
CONNECTOR
CONNECTOR
Fig. 6—Furnace Control
FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING
THERMOSTAT
G Y
TERMINALS
CONDENSING
UNIT
TWO
WIRE
Connect Y-terminal in furnace as shown for proper blower 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.
BLOWER OFF DELAY
ADJUSTMENT SWITCH
24V THERMOSTAT
G
TERMINALS
R
Y
W
HUMIDIFIER TERMINAL
Com
(24-VAC 0.5 AMP MAX)
24V
HUM
LED OPERATION &
STATUS 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 1.5 AMP MAX)
EAC 2 (WHITE)
115-VAC (L2) NEUTRAL
CONNECTION
6
FIELD-SUPPLIED
FUSED DISCONNECT
208/230- OR
460-VOLT
THREE
PHASE
208/230-
VOLT
SINGLE
PHASE
GND
A96312
A93052