25
CIRCUIT
BREAKERS
60A
ON
OFF
GRD
Single
Supply
(standard)
OR
Circuit A
Circuit B
GRD
GRD
Ground
Dual
Supply
(optional)
60A
60A
ON
ON
OFF
OFF
Ground
Line
Voltage
Ground
Line
Voltage
60A
ON
OFF
TRANSFORMER
240V
24V
ELEMENTS
TOP ELEMENT, 11.6 KW
BLACK
RED
H
MH
ML
L
C
ORANGE
BLACK
BLUE
YELLOW
RED
GREY
WHITE
GREEN
RED
BLACK
GREY
RED
BLACK
GREY
RED
ORANGE
GREY
BLACK
BLUE
YELLOW
RED
WHITE
BLACK
RED
RED
M2M1
M4 M3
BLACK
SEQUENCER
LIMIT
1
5 2
BLOWER
RELAY
3 6
4
GREEN
GREY
RED
1
1
2
2
3
3
4
4
5
5
6
6
1
2
3
4
5
6
1
2
3
4
5
6
4
2
3
1
BLOWER
SPEED
SELECTOR
LEADS
(See Note 7)
BLACK
VIOLET
FUSE
!
WARNING:
Switch circuit breakers to
the OFF position beore
servicing the furnace.
240V
Seq 1
C
H
L
IFM
CB-A
CB-A
CB-B
CB-B
Transformer
LS
Top - 11.6
ML
MH
1
2
3
4
5
IFR
Red
Yellow
Blue
E
IFR
Seq
1
24V
Red Pig-Tail
White Pig-Tail
IFR
Green Pig-Tail
Grey Pig-Tail
2
4
3
5
6
Black
Grey
Org.
Red Jumper Wire
(See note 8)
E
Fuse
Legend:
IFM – Fan Motor
CB – Circuit Breaker
E – Heater Element
Seq – Sequencer
IFR – Fan Relay
LS – Limit Switch
– Fan Plug
– Control Plug
NOTES:
1) See unit data label for recommended supply wire sizes.
2) Thermostat anticipator setting: 0.20 Amps.
3) To change blower speeds on units without a relay box refer
to installation instructions.
4) Refer to furnace and/or relay box installation for thermo-
stat connections.
5) If any wire in this unit is to be replaced it must be
replaced with 105°C thermoplastic copper wire of
the same gauge.
6) Not suitable for use on systems exceeding 120V to
ground.
7) This wire is used with some accessories. See acces-
sory Installation Instructions for further details.
Figure 25. E2EB 012 Wiring Diagrams