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120V ACC
G
(IF USED)
N
6
L1
7
SEE HUM VIEWS
HUMIDIFIER
S1
S51
ROOM THERMOSTAT
C
W2
W1
G
R
Y1
Y2
1 2 3 4 5 6 7
OUTDOOR
UNIT
Y1
Y2
C
L
S51
DOOR
INTEGRATED CONTROL
INTERLOCK
L1
7
K4
K5
K1
K11
P3
P3
J3
1
2
3
J3
P84
P159
2
3
1
J84
J159
B6
B6
J84
J159
1
2
P84
P159
J3
J3
5
4
P3
P3
N
N
N
N
N
N
7
EQUIPMENT
GROUND
LINE VOLTAGE FIELD INSTALLED
CLASS II VOLTAGE FIELD WIRING
DENOTES OPTIONAL COMPONENTS
Figure 23. Wiring Diagram with UTEC Integrated Furnace Control 107047-xx
Page 22 of 38
S10
PRIMARY
COMBUSTION AIR
B6
GAS
INDUCER MOTOR
J84
LIMIT
P84
BURNERS
S47
IGNITOR
R33
FLAME
FLAME
SENSOR
ROLLOUT
SWITCH
L1
J3
ACC
HUM
NEUTRALS
SEVEN
A92
SEGMENT
INTEGRATED
LED
CONTROL
8
DIAGNOSTIC
PUSH
BUTTON
C
W1 W2 G
Y2
Y1
R DH
TERMINAL BOARD
A92
LINE
L1
HOT
24VAC
SEC
P2
J2
8
7
K7
GV1
M
GAS
C
VALVE
HI
CB8
120V
T1
ACC
YEL
A92
INTEGRATED
CONTROL
2011
C
C
GV1
GAS
HI
VALVE
M
S102
HIGH HEAT
PRESSURE
SWITCH
S128
S47
LOW HEAT
FLAME
PRESSURE
J159
ROLLOUT
SWITCH
P159
SWITCH
S21
T1
SECONDARY
TRANSFORMER
LIMIT
2
CB8
4
J2
3
L13
CIRCUIT
BREAKER
POWER
CHOKE
4
B3
8
NOTE: SEE INSTALLATION INSTRUCTIONS FOR PROCEDURE
TO SET CORRECT BLOWER SPEED FOR SPECIFIC COOLING
P48
L
O DS
H
P49
TONNAGE BEING APPLIED, AND HEATING TEMPERATURE
INDOOR
TB1
BLOWER
RISE REQUIRED.
MOTOR
TYPICAL SYSTEM SHOWN FOR 2 HEAT/2 COOL WITH A
CONVENTIONAL THERMOSTAT. SEE INSTALLATION
INSTRUCTIONS FOR CONNECTIONS TO OTHER EQUIPMENT
AND ACCESSORIES.
K8
6
11
10
1
11
4
4
2
(2) S47
(1) S47
NO
NO
P135
C
C
1
J135
2
J135
P136
S10
HEATING UNITS-GAS
2 HEAT 2 COOL
Supersedes
Litho U.S.A.
Issue 2220
TO C
HUMIDIFIER
TO R OR H
HUM
AT IFC
TO N
HUMIDIFIER
J,P48
TO L1
J,P49
HUM
J,P2
AT IFC
J,P84
J,P3
1
CUT W914 JUMPER LABELED DEHUM FROM DS
J,P159
TO R, AT A92 CONTROL BOARD, WHEN USED
WITH HUMIDIFICATION CONTROLS
CUT W951 JUMPER FROM O TO R, LABELED
"HEAT PUMP", AT A92 CONTROL BOARD, WHEN
USED FOR DUAL FUEL APPLICATIONS
CUT W915 JUMPER LABELED "2 STAGE COMPR."
FROM Y1 TO Y2 AT A92 CONTROL WHEN USED
WITH A 2 STAGE COOL THERMOSTAT.
L13 USED ON 3/4 AND 1 HP ONLY
THERMOSTAT HEAT ANTICIPATION SETTING
.65 AMP
HONEYWELL VALVE
TWO STAGE
.43 AMP
WHITE RODGERS VALVE
HEAT,COOL
24-V
COM.
9
9
3
SEE BLOWER SPEED CHART
1
2
3
4
5
MODEL
070-3A
090-4B
J49
1
2
3
4
5
P49
WHT/BLK
C
BLACK
B3
L
INDOOR
BLOWER
GN/YLW
G
MOTOR
WHT
N
J48
P48
WARNING-
ELECTRIC SHOCK HAZARD,CAN CAUSE INJURY
OR DEATH.UNIT MUST BE GROUNDED IN ACCORDANCE
WITH NATIONAL AND LOCAL CODES.
NOTE-
IF ANY WIRE IN THIS APPLIANCE IS REPLACED,IT
MUST BE REPLACED WITH WIRE OF LIKE SIZE,
RATING, INSULATION THICKNESS, AND TERMINATION
JACKPLUG CHART
JACK/PLUG-INDOOR BLOWER-POWER
JACK/PLUG-INDOOR BLOWER-SPD TAP
JACK/PLUG-BURNER CONTROL
JACK/PLUG-COMB AIR INDUCER
JACK/PLUG-INDUCER/IGNITER
JACK/PLUG-IGNITION
5
DIP SWITCH FACTORY DEFAULT IS FOR A TWO
STAGE THERMOSTAT
6
FIELD SUPPLIED ACC WIRE
7
USE COPPER CONDUCTORS ONLY
DH AND L TERMINALS NOT USED.
8
DO NOT USE RED (LOW SPEED) FOR HIGH
9
HEAT ON ALL MODELS.
S1
ROOM THERMOSTAT
R
ON
FAN
COOL
HEAT
COOL
2
2
W2
Y2
W1 Y1
G
C
R
W2
Y2
W1
Y1
O
G
DS
C
W915
2
3
1
W914
BLOWER SPEED CHART
HI
HI
LOW
LOW
COOL
HEAT
COOL
HEAT
PARK
BLACK
YELLOW
BROWN
RED
BLUE
BLACK
YELLOW
BROWN
RED
BLUE
508145-01G / 31-5000660
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