E2

Intertherm E2 Product information

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Models: E2EB-020HB, 023HB, 023HB - 5 TON
CB-B
CB-B
E
Cont 2
Cont 2
7103200 (Replaces 7102490)
WIRING DIAGRAM
Optional 4-Speed
Blower
!
WARNING
Switch circuit breakers to the “off”
position before servicing the furnace.
Notes :
See unit data label for
recommended supply wire sizes.
Thermostat anticipator setting :
0.75 Amps
To change blower speed on units
without a relay box installed refer
to installation instructions
Refer to furnace and/or relay box
installation instructions for
thermostat connections.
If any wire in this unit is to be
replaced it must be replaced with
105 C thermoplastic copper wire
of the same gauge.
Not suitable for use on systems
exceeding 120V to ground.
This wire is used with some
accessories. See accessory
Installation Instructions for further
detail.
Refer to Installation Instructions
for complete wiring diagram.
1)
2)
3)
4)
5)
6)
7)
8)
IFR1
Cont
1
LS
IFR2
Transformer
24V
Red
White
Green
Grey
Fuse
LS
Cont
2
240V
Cont 1
Top - 11.6/10.0
E
Cont 1
CB-A
CB-A
Org.6
White Jumper Wire
(See note 7)
IFR2
Grey
Black
Blue
Yellow
Red
2
3
4
5
1
ML
C
IFM
H
MH
L
4 Speed
IFR1
LS
Bottom 10.0
CB = Circuit Breaker
E = Heater Element
IFR = Fan Relay
IFM = Fan Motor
Cont = Contactor
LS = Limit Switch
Legend:
= Fan Plug
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