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 AmpsTo change blower speed on units without a relay box installed refer to installation instructionsRefer 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

Cont1

LS

IFR2

Transformer

24V

RedWhite

Green

Grey

Fuse

LS

Cont2

240V

Cont 1

Top - 11.6/10.0

ECont 1

CB-A CB-A

Org.6

White Jumper Wire(See note 7)

IFR2

Grey

Black

Blue

Yellow

Red2345

1ML C

IFMHMH

L

4 Speed

IFR1

LS

Bottom 10.0

CB = Circuit BreakerE = Heater ElementIFR = Fan RelayIFM = Fan MotorCont = ContactorLS = Limit Switch

Legend:

= Fan Plug