International comfort products N8MXL Installation Instructions Manual page 22

SELECTION TERMINALS
115 VAC (L2) NEUTRAL
FIVE WIRE
THREE-WIRE
HEATING-ONLY
BLOWER DOOR SWITCH
BLK BLK
WHT WHT
GND GND
AUXILIARY
115-V FIELD-
J-BOX
SUPPLIED
DISCONNECT
Fig. 25 − Heating and Cooling Application Wiring Diagram with 1−Stage Thermostat
22
J2 JUMPER
24 V THERMOSTAT
TERMINALS
3 AMP FUSE
LED OPERATION &
DIAGNOSTIC LIGHT
BLOWER SPEED
CONNECTIONS
EAC TERMINAL
(115 VAC 1.0 AMP MAX.)
Fig. 24 − Furnace Control
NOTE 2
W C R
W
C
R
O
N
T
R
G
O
L COM
NOTE 1
Y/Y2
24-V
TERMINAL
BLOCK
NOTES:
FURNACE
Representative drawing only, some models may vary.
Specifications are subject to change without notice.
HEAT
OFF DELAY
TWINNING AND/OR
COMPONENT TEST
TERMINAL
HUMIDIFIER TERMINAL
(24 VAC 0.5 AMP MAX)
TRANSFORMER 24 VAC
CONNECTIONS
P1
HARNESS CONNECTOR
P2
HOT SURFACE IGNITOR (HSI)
& INDUCER MOTOR (IND)
CONNECTOR
115 VAC
BLOWER
POWER (BL 1)
CONNECTION
IND
115 VAC
(L1) LINE VOLTAGE
CONNECTION
HUMIDIFIER
TERMINAL
115 VAC
115 VAC
TRANSFORMER
PRIMARY
FIELD 24-V WIRING
FIELD 115-, 208/230-, 460-V WIRING
FACTORY 24-V WIRING
FACTORY 115-V WIRING
THERMOSTAT
G Y
TERMINALS
CONDENSING
UNIT
TWO
WIRE
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.
LOW VOLTAGE MAIN
HSI
FIELD-SUPPLIED
DISCONNECT
208/230- OR
460-V
THREE
PHASE
208/230-V
SINGLE
PHASE
GND
441 01 1421 02
L15F001
A99440