BLOWER OFF-DELAY
J2 JUMPER
TWINNING AND/OR
COMPONENTTEST
TERMINAL
24-V THERMOSTAT I
TERMINALS
3-AMP FUSE _--------4
LED OPERATION & -------4
DiAGNOSTiC LIGHT
115-VAC(L2) NEUTRAL -_I"
CONNECTIONS
Fig. 25 - Furnace Control
HUMiDIFiER TERMINAL
(24-VAO 0.5 AMP MAX.)
TRANSFORMER 24-VAC
CONNECTIONS
PL1-LOW VOLTAGE MAiN
HARNESS CONNECTOR
PL2-HOT SURFACE
iGNiTER & iNDUCER
MOTOR CONNECTOR
A02100
.... FIELD 24-V WIRING
.... FIELD 115-, 208/230-, 460-VWIRING
-- FACTORY 24-V WIRING
FACTORY 115-V WIRING
NOTE 2
FIVEWIRE @
THREE-WIRE --,- _ I i
HEATING-ONLY _ "_ _--',
BLOWER DOOR SWITCH _ _--_l____
. -J I I
I I
I I
C @ ---.e--a
O l
N l
i
T i
R@ '
I
115-V FIELD- AUXILIARY O /---
SUPPLIED J-BOX L @
DISCONNECT @
24-V
TERMINAL
BLOCK
FURNACE
I I
I I
I
fT
,I
NOTE 1 I
NOTES: 1.
2.
3.
THERMOSTAT
TERMINALS
i:i:iiiiiiii/iiii/iiiiii!ii_
_iiiiiii/i//@,i_iii_
ii:_:_iiiiiii',',iiiii/iiiiiiii_!ii_
H
4_,qHF4m
_ ttl
FIELD-SUPPLIED
DISCONNECT
CONDENSING
UNIT
TWO
WIRE
208/230-OR
460-V
THREE
PHASE
208/230-V
SINGLE
PHASE
ConnectY-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.
A99440
Fig. 26 - Heating and Cooling Application Wiring Diagram with Single Stage Thermostat
23