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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.
BLACK
BLOWER
1
SWITCH
2
YELLOW
3
BLOWER
SPEED
SELECTOR
LEADS
TRANSFORMER
240V
24V
BLACK
GREY
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.
C
H
L
6
5
4
3
2
1
6
5
4
3
2
1
BLACK
GREY
RED
VIOLET
FUSE
ORANGE
WHITE
GRAY
TOP ELEMENT, 10.0 KW
M1
M2
2
4
M4 M3
1
3
ELEMENTS
LIMIT
SEQUENCER
BLACK
RED
RED
CB-A
(See
Note 7)
1
2
3
4
5
6
1
2
3
4
4
5
6
Red Pig-Tail
RED
GRD
RED
BLACK
BLACK
CIRCUIT
BREAKER
Switch circuit breakers to
the OFF position beore
servicing the furnace.
Grey
5
Black
4
Blue
3
Yellow
2
Red
1
IFS
IFS
E
Seq 1
Seq 1
Top - 10.0
240V
Transformer
24V
Fuse
2
White Pig-Tail
Grey Pig-Tail
Ground
Supply
Legend:
Line
Circuit A
IFM – Fan Motor
Voltage
CB – Circuit Breaker
E – Heater Element
IFS – Fan Switch
!
WARNING:
Seq – Sequencer
IFR – Fan Relay
LS – Limit Switch
CB-A
IFM
C
6
Org.
H
L
LS
Seq
1
3
(See Note 7)
– Fan Plug
– Control Plug
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