
24
!
WARNING:
Switch circuit breakers to
the OFF position beore
servicing the furnace.
240V
Seq 1
C
L
IFM
CB-A
CB-A
Transformer
LS
Top - 10.0
ML
1
2
3
4
5
IFR
Red
Blue
E
Seq 1
IFR
Seq
1
24V
Red Pig-Tail
White Pig-Tail
IFR
Green Pig-Tail
Grey Pig-Tail
2
4
3
5
Yellow
MH
H
6
Black
Grey
Org.
Red Jumper Wire
(See note 8)
Fuse
TRANSFORMER
240V
24V
ELEMENTS
TOP ELEMENT, 10.0 KW
BLACK
RED
H
MH
ML
L
C
ORANGE
BLACK
GREY
BLUE
YELLOW
RED
RED
GREEN
WHITE
BLACK
GREY
RED
BLACK
GREY
RED
ORANGE
GREY
BLACK
BLUE
YELLOW
RED
WHITE
RED
M2 M1
M4 M3
BLACK
BLACK
SEQUENCER
LIMIT
RED
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
4
2
3
1
1
2
3
4
5
6
60A
ON
OFF
Circuit A
Line
Voltage
GRD
Ground
Supply
CIRCUIT
BREAKER
BLOWER
SPEED
SELECTOR
LEADS
(See Note 7)
BLACK
FUSE
VIOLET
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 24. E2EB 010 Wiring Diagrams