24
L
C
ORANGE
BLACK
RED
TRANSFORMER
240V
24V
1
2
3
ELEMENTS
BOTTOM ELEMENTS, 10.0 KW
BLACK
BLOWER
SWITCH
H
BLACK
BLACK
ORANGE
GREY
BLACK
WHITE
YELLOW
RED
BLACK
BLACK
CONTACTOR
LIMITS
4
2
3
1
FUSE
BROWN
VIOLET
GREY
GREY
RED
RED
COM
1
2
3
4
5
6
1
2
3
4
5
6
RED
BLACK
BLACK
RED
RED
CIRCUIT
BREAKERS
60A
ON
OFF
GRD
Single
Supply
(standard)
OR
Circuit A
Circuit B
GRD
GRD
Ground
Dual
Suppl
(optional)
60A
60A
ON
ON
OFF
OFF
Ground
Line
Voltage
Ground
Line
Voltage
60A
ON
OFF
BLACK
YELLOW
RED
Figure 23. E3EH 012H, Wiring Diagrams
NOTES:
1) See unit data label for recommended supply wire sizes.
2) Thermostat anticipator setting: 0.20 Amps.
3) To change blower speed on units without a relay box
refer to installation instructions.
4) Refer to furnace and/or relay box installation for
thermostat 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
accessory Installation Instructions for further details.
Legend:
CB – Circuit Breaker
E – Heater Element
IFS – Fan Switch
Cont – Contactor
LS – Limit Switch
IFM – Fan Motor
– Fan Plug
!
WARNING:
Switch circuit breakers to
the OFF position before
servicing the furnace.
240V
Cont 1
C
L
IFM
CB-A
CB-A
CB-B
CB-B
IFS
Transformer
LS
Btm - 11.6
6
H
1
2
3
4
5
Red
Yellow
Blue
E
IFS
Cont
1
24V
Red Pig-Tail
White Pig-Tail
Black
Grey
Org.
(See Note 7)
Grey Pig-Tail
E
Fuse
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