21
!
WARNING:
Switch circuit breakers to
the OFF position beore
servicing the furnace.
240V
Seq 1
C
L
IFM
CB-A
CB-A
CB-B
CB-B
IFS
Transformer
LS
Top - 11.6
6
H
1
2
3
4
5
Red
Yellow
Blue
E
IFS
Seq
1
24V
Red Pig-Tail
White Pig-Tail
2
4
Black
Grey
Org.
3
(See Note 7)
Grey Pig-Tail
E
Fuse
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
L
C
ORANGE
BLACK
WHITE
RED
RED
TRANSFORMER
240V
24V
1
2
3
ELEMENTS
TOP ELEMENT, 11.6 KW
BLACK
RED
BLOWER
SWITCH
H
BLACK
GREY
RED
BLACK
GREY
RED
ORANGE
GRAY
BLACK
BLUE
YELLOW
RED
GREY
WHITE
BLACK
YELLOW
RED
RED
BLACK
M2 M1
M4 M3
BLACK
SEQUENCER
LIMIT
4
2
3
1
1
1
2
2
3
3
4
4
5
5
6
6
1
2
3
4
5
6
1
2
3
4
5
6
BLOWER
SPEED
SELECTOR
LEADS
(See Note 7)
BROWN
VIOLET
FUSE
Figure 21. E2EH 012 Wiring Diagrams
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
accessory Installation Instructions for further details.
Legend:
IFM – Fan Motor
CB – Circuit Breaker
E – Heater Element
IFS – Fan Switch
Seq – Sequencer
IFR – Fan Relay
LS – Limit Switch
– Fan Plug
– Control Plug
