22
Figure 22. E2EH 010 Wiring Diagrams
Legend:
CB – Circuit Breaker
E – Heater Element
IFS – Fan Switch
Cont – Contactor
LS – Limit Switch
– Fan Plug
– Control Plug
IFM – Fan Motor
NOTES:
1
)
See unit data label for recommended supply wire sizes.
2
)
Thermostat anticipator setting: 0.30 Amps.
3
)
To change blower speeds on units without a relay box
installed 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.
!
W
ARNING:
Switch circuit breakers to
the OFF position before
servicing the furnace.
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.
240V
Transformer
Cont
1
24V
Red Pig-Tail
White Pig-Tail
2
4
Cont 1
CB-A
CB-A
IFS
Top - 10.0
6
E
Cont 1
IFS
Org.
3
(See Note 7)
Grey Pig-Tail
Fuse
LS
2
3
4
5
1
Grey
Black
Blue
Yellow
Red
H
L
C
IFM
60A
ON
OFF
Circuit A
Line
Voltage
GRD
Ground
Supply
CIRCUIT
BREAKER
TRANSFORMER
240V
24V
1
2
3
BLOWER
SWITCH
GREY
YELLOW
BLACK
CONTACTOR
ORANGE
BLACK
RED
1
1
2
2
3
3
4
4
5
5
6
6
BLOWER
SPEED
SELECTOR
LEADS
BROWN
WHITE
LIMIT
BLACK
BLACK
ELEMENTS
TOP ELEMENTS, 10.0 KW
ORANGE
RED
RED
RED
BLACK
BLACK
BLACK
3
2
1
3
2
1
6
5
4
6
5
4
H
L
C
YELLOW
RED
BLUE
BLACK
VIOLET
WHITE
RED
GREY
GREY
GREY
RED
WHITE
