22
!
WARNING:
Switch circuit breakers to
the OFF position beore
servicing the furnace.
L
C
ORANGE
BLACK
RED
TRANSFORMER
240V
24V
1
2
3
SEQUENCER
LIMITS
TOP ELEMENT, 10.0/10.8 KW
BLACK
RED
BLOWER
SWITCH
ELEMENTS
BOTTOM ELEMENT, 5.0/5.4 KW
H
BLACK
GREY
RED
BLACK
GREY
RED
ORANGE
GREY
BLACK
BLUE
YELLOW
RED
RED
WHITE
BLACK
YELLOW
RED
RED
RED
GREY
BLACK
M2
M1
M4 M3
M6 M5
BLACK
BLACK
BLACK
RED
4
2
3
1
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
60A
ON
OFF
GRD
Single
Supply
(optional)
OR
Circuit A
Circuit B
GRD
GRD
Ground
Dual
Supply
60A
60A
ON
ON
OFF
OFF
Ground
Line
Voltage
Ground
Line
Voltage
60A
ON
OFF
CIRCUIT
BREAKERS
WHITE
GREY
BLOWER
SPEED
SELECTOR
LEADS
(See Note 7)
BROWN
FUSE
WHITE
VIOLET
240V
Seq 1
C
L
IFM
CB-A
CB-A
CB-B
CB-B
IFS
Transformer
LS
Bottom -
5.0/5.4
Top -
10.0/10.8
H
1
2
3
4
5
Red
Yellow
Blue
E
Seq 1
IFS
Seq 2
LS
Seq
2
Seq
1
24V
Red Pig-Tail
White Pig-Tail
2
4
6
Black
Grey
Org.
3
(See Note 7)
Grey Pig-Tail
E
Fuse
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
NOTES:
1) See unit data label for recommended supply wire sizes.
2) Thermostat anticipator setting: 0.40 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 22. E2EH 015, 017 Wiring Diagrams
