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WIRINGS DIAGRAMS
Risk of electrical shock. Disconnect power before installation, servicing, maintenance or field wiring. Replace all
panels before operating. Failure to do so can result in electrical shock causing severe injuries or death.
Open: 93.3°C (200°F)
MRHTL
MRHTL
WHT
WHT
WHT
E
HTL
RED
HEAT 3
E
HTL
RED
HEAT 1
N
KC1B
L2
24V~
24Vac
coil
RED
RED
L1
BLK
BLK
C
BLK
G
Open: 93.3°C (200°F)
MRHTL
MRHTL
WHT
WHT
WHT
HTL
E
RED
BLK
HEAT 3
HTL
E
BLK
RED
HEAT 2
HTL
E
BLK
RED
HEAT 1
N
KC1B
L2
24V~
24Vac
coil
RED
RED
L1
BLK
BLK
C
BLK
G
FE0014A
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HEAT 3
KC3
BLK
NO
COM
BLK
F + H
PNK
24 Vdc
WHT
PNK
CS
F
RED
NC
CONTINUOUS
HEAT 1
KC1
BLK
BLK
NO
COM
SEASON SELECT
24 Vdc
GRY
WHT
K7
HEAT INDICATOR
PNK
3
1
24 Vdc
WHT
VS
LO
BLU
5
4
NC
VENTILATION SPEED
MED-LO
6
2
TB2
ORG
YEL
M
BRN
BLK
HI
BLU
MED-HI
MED-LO
YEL
LO
RED
BRN
GRN
ORG
HEAT 3
KC3
BLK
NO
COM
F + H
PNK
24 Vdc
WHT
PNK
CS
HEAT 2
F
KC2
BLK
NO
COM
NC
RED
CONTINUOUS
24 Vdc
WHT
BRN
HEAT 1
KC1
BLK
NO
COM
SEASON SELECT
24 Vdc
WHT
GRY
K7
HEAT INDICATOR
PNK
3
1
24 Vdc
WHT
LO
VS
BLU
5
4
NC
VENTILATION SPEED
MED-LO
6
2
ORG
YEL
TB2
M
BRN
BLK
HI
BLU
MED-HI
MED-LO
YEL
LO
RED
GRN
BRN
ORG
WARNING
!
WHT
PNK
GRY
P3
P3-1 P3-2 P3-3 P3-4 P3-5 P3-6 P3-7
RED
BOARD POWER
SUPPLY
GRN
SPEED
BLK
PPL
RED
PPL
SS
GRN
GRY
PPL
PPL
BLK
GRY
21D10
P2
RED
YEL
K2
K1
K2
ORG
BLK
WHT
PNK
BRN
GRY
P3
P3-1 P3-2 P3-3 P3-4 P3-5 P3-6 P3-7
RED
BOARD POWER
SUPPLY
GRN
SPEED
BLK
PPL
RED
PPL
SS
GRN
GRY
PPL
PPL
BLK
GRY
21D15
P2
RED
YEL
K2
K1
K2
ORG
BLK
7
Critical Characteristic
1. If any of the original wire, as
YEL
YEL
supplied, must be replaced, use
the same equivalent wire. Wiring
must comply with applicable codes,
F1
5 A
ordinances and regulations.
2. Field wiring must comply with
applicable codes, ordinances and
regulations. Use only Class 1 wiring
inside furnace compartments.
24VAC
COMMON OUT
P2-8
Line voltage wiring:
FUSED 24VAC
POWER OUT
UL AWM 1015/1230, 600V, 105°C,
P2-7
CALL FOR
FAN
VW-1,12AWG;
P2-6
CALL FOR
CSA TEW 600V, 105°C, FT1, 12AWG.
COOL.
P2-5
REVERSING
VALVE
P2-4
Low voltage wiring: same ratings as
CALL FOR
HEAT 1
high voltage except 18AWG.
P2-3
CALL FOR
HEAT 2
P2-2
CALL FOR
FAN
COOL 1
P2-1
MOTOR SPEED
P1
HI
MED-HIGH
UTEC
1139-600/-630
MED-LOW
LOW
T
RED
YEL
BLK
YEL
Class 2 Tranformer
Prim.: 240V 60Hz
Second.: 24V 60Hz 40VA
C
F1
E
KC
K
HTL
MRHTL
YEL
YEL
M
TB2
F1
T
5 A
HEAT
L1, L2
N
24VAC
COMMON OUT
P2-8
FUSED 24VAC
For the use of a two-stage heat
POWER OUT
P2-7
thermostat or an outdoor thermostat,
CALL FOR
FAN
connect between W1and W2. Make
P2-6
CALL FOR
COOL.
sure that the
P2-5
REVERSING
VALVE
is set to the Mild Position.
P2-4
CALL FOR
HEAT 1
P2-3
CALL FOR
HEAT 2
P2-2
WIRING COLOR CODE
CALL FOR
COOL 1
P2-1
BLK
P1
BLU
BRN
GRN
UTEC
1139-600/-630
GRY
ORG
T
PNK
RED
YEL
PPL
BLK
YEL
RED
Class 2 Tranformer
Prim.: 240V 60Hz
WHT
Second.: 24V 60Hz 40VA
YEL
COLOR
BLACK
BLUE
YELLOW
RED
LEGEND
Capacitor
Fuse
Heating Element
Heating Element
Relay
Fan Relay
Auto-Reset
Thermal Protector
Manual Reset
Thermal Protector
Fan Motor
Terminal Block
Transformer Class 2
Heat
240V Line Supply
Neutral
Season Select
switch
BLACK
BLUE
BROWN
GREEN
GREY
ORANGE
PINK
PURPLE
RED
WHITE
YELLOW
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