International comfort products N8MXL Installation Instructions Manual page 22

SELECTION TERMINALS
115 VAC (L2) NEUTRAL
Figure 26 − Heating and Cooling Application Wiring Diagram with Single−Stage Thermostat
THREE-WIRE
BLK BLK
WHT WHT
GND
115-VOLT FIELD- JUNCTION
SUPPLIED BOX
FUSED
DISCONNECT
22
Figure 25 − Furnace Control
J2 JUMPER
24 V THERMOSTAT
TERMINALS
3 AMP FUSE
LED OPERATION &
DIAGNOSTIC LIGHT
BLOWER SPEED
CONNECTIONS
EAC TERMINAL
(115 VAC 1.0 AMP MAX.)
NOTE 2
W C
FIVE
WIRE
HEATING-
ONLY
W2
COM
W/W1
NOTE 1
Y/Y2
R
CONTROL
BOX G
24-VOLT
TERMINAL NOTES: 1.
BLOCK
FURNACE
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 LOW VOLTAGE MAIN
HARNESS CONNECTOR
P2
HOT SURFACE IGNITOR (HSI)
& INDUCER MOTOR (IND)
CONNECTOR
115 VAC
BLOWER
POWER (BL 1)
CONNECTION
IND HSI
115 VAC
(L1) LINE VOLTAGE
CONNECTION
HUMIDIFIER
TERMINAL
115 VAC
115 VAC
TRANSFORMER
PRIMARY
FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING
1-STAGE
THERMOSTAT
Y R G
TERMINALS
CONDENSING
UNIT
Connect Y/Y2-terminal as shown for proper 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.
FIELD-SUPPLIED
FUSED DISCONNECT
208/230- OR
460-VOLT
THREE
PHASE
208/230-
VOLT
SINGLE
PHASE
GND
441 01 1421 01
L15F001