Heating/Cooling Application Wiring Diagram - Bryant 376CAV Service And Maintenance Procedures Manual

FIVE WIRE
THREE-WIRE
HEATING-ONLY
BLOWER DOOR SWITCH
BLK BLK
WHT WHT
GND GND
AUXILIARY
115-V FIELD-
J-BOX
SUPPLIED
DISCONNECT
FURNACE
Fig. 10—Heating and Cooling Application Wiring Diagram
115-VAC (L1)
POWER SUPPLY
HOT SURFACE
IGNITOR CONNECTOR
NOTE 2
W C R G
W
C
R
O
N
T
R
G
O
L C
NOTE 1
Y
24-V
TERMINAL
BLOCK
NOTES: 1. Connect Y-terminal in furnace as shown for proper blower operation.
2. Some thermostats require a "C" terminal connection as shown.
3. If any of the original wire, as supplied, must be replaced, use
same type or equivalent wire.
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—Furnace Control
—7—
FIELD 24-V WIRING
FIELD 115-, 208/230-, 460-V WIRING
FACTORY 24-V WIRING
FACTORY 115-V WIRING
THERMOSTAT
Y
FIELD-SUPPLIED
TERMINALS
DISCONNECT
CONDENSING
UNIT
TWO
WIRE
24-V THERMOSTAT
TERMINALS
HUMIDIFIER TERMINAL
(24-VAC 0.5 AMP MAX)
LED OPERATION &
DIAGNOSTIC LIGHT
HARNESS CONNECTOR
24-V 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)
208/230- OR
460-V
THREE
PHASE
208/230-V
SINGLE
PHASE
GND
A98521
A00292