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BLOWER
OFF-DELAY
J2 JUMPER
24-V THERMOSTAT
TERMINALS
3-AMP FUSE
LED OPERATION
&
DIAGNOSTIC
LIGHT
115-VAC(L2)N
EL
CONNECTIONS
TWINNING
AND/OR
COMPONENTTEST
TERMINAL
L2
____
TERMINAL
1.0 AMP MAX.)
c
;PARE
SPARE-2
SPARE-3
L
DD
PL2
1
115 VAC (L1) LINE
VOLTAGE CONNECTION
Fig. 25 -
Furnace
Control
HUMIDIFIER
TERMINAL
(24-VAC 0.5 AMP MAX.)
TRANSFORMER
24-VAC
CONNECTIONS
PL1 -LOW VOLTAGE MAIN
HARNESS
CONNECTOR
PL2-HOT
SURFACE
IGNITER & INDUCER
MOTOR CONNECTOR
Al1619
....
FIELD 24-V WIRING
....
FIELD 115-, 208/230-, 460-VWIRING
--
FACTORY 24-V WIRING
FACTORY 115-V WIRING
NOTE 2
FIVE WIRE
@@
THREE-WIRE
--_
_
i
i
HEATING-ONLY
_
"_ _--',
BLOWER
DOOR
SWITCH
_
_
@_J
'', ,
I
I
I
I
C _
----t--J
O
I
N
I I
T
I
R@
L
I
115-V FIELD-
AUXILIARY
O
_---
SUPPLIED
J-BOX
L @
DISCONNECT
@
24-V
TERMINAL
BLOCK
FURNACE
I
I-T
'I
NOTE 1
I
NOTES: 1.
2.
3.
THERMOSTAT
TERMINALS
FIELD-SUPPLIED
DISCONNECT
@ii_il
_
_, O--H--Q
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
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