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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.
BLOWER
SWITCH
BLACK
1
2
YELLOW
3
BLOWER
SPEED
SELECTOR
LEADS
BLACK
VIOLET
TRANSFORMER
240V
24V
GRAY
GREY
SEQUENCER
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.
C
H
L
6
5
4
3
2
1
6
5
4
3
2
1
GREY
RED
FUSE
ORANGE
WHITE
TOP ELEMENT, 11.6 KW
M2 M1
2
4
M4 M3
1
3
ELEMENTS
LIMIT
BLACK
RED
RED
BLACK
Legend:
(See Note 7)
IFM – Fan Motor
CB – Circuit Breaker
E – Heater Element
IFS – Fan Switch
1
2
3
Seq – Sequencer
4
5
6
IFR – Fan Relay
LS – Limit Switch
1
2
3
– Fan Plug
4
5
6
– Control Plug
RED
BLACK
RED
BLACK
CIRCUIT
GRD
BREAKERS
GRD
GRD
CB-B
E
CB-A
Grey
Black
Blue
Yellow
IFS
IFS
E
Seq 1
Top - 11.6
240V
24V
Fuse
2
4
White Pig-Tail
Red Pig-Tail
Single
Supply
(standard)
Ground
OR
WARNING:
!
Line
Circuit B
Voltage
Dual
Ground
Supply
Switch circuit breakers to
(optional)
Line
Circuit A
the OFF position beore
Voltage
servicing the furnace.
Ground
CB-B
CB-A
5
IFM
4
3
6
Org.
H
C
2
Red
L
1
LS
Transformer
Seq
1
3
Grey Pig-Tail
(See Note 7)
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