Nordyne E3 Switch circuit breakers to, position, before, servicing the furnace, Dual, Supply

26

Figure 29. E3EB 020H, 023H, and 023H - 5 Ton, E2EB-015HBR Wiring Diagrams

NOTES:

5) If any wire in this unit is to be replaced it must be

CB-B

CB-B

1) See unit data label for recommended supply wire

sizes.

replaced with 105°C thermoplastic copper wire of

2) Thermostat anticipator setting: 0.40 Amps.

the same gauge.

Cont 2

E

LS

3) To change blower speed on units without a relay

6) Not suitable for use on systems exceeding 120V to

Cont 2

Top -

box refer to installation instructions.

ground.

10.0/11.6/7.6

CB-A

White Jumper Wire

CB-A

4) Refer to furnace and/or relay box installation for

7) This wire is used with some accessories. See

(See note 7)

Grey

5

H IFM

thermostat connections.

accessory Installation Instructions for further de-

Black

4

IFR

Blue

3

MH

C 6 Org.

Yellow

2

ML

IFR

Red

1

L

H

C

ORANGE

!

WARNING:

MH

Cont 2

E

LS

ML L

BLACK

BLUE

YELLOW

Cont 2

Btm - 10.0/7.6

RED

Switch circuit breakers to

240V

Transformer

the

OFF

position

before

1

2

3

24V

servicing the furnace.

BLACK

4

5

6

Fuse

Cont

BLACK

BLUE

YELLOW

RED

1

1

5

2

1

2

3

Grey Pig-Tail

BLOWER

White Pig-Tail

Cont

3

6

4

RELAY

4

5

6

Green Pig-Tail

2

WHITE

BLACK

Red Pig-Tail

IFR

GREY

GREEN

RED

TRANSFORMER

FUSE

GREY

VIOLET

ORANGE

BLACK

Line

RED

COM 240V

RED

24V

BLACK

OFF

60A

ON

Circuit B

Voltage

GREY

Dual

WHITE

RED

GRD

Ground

Legend:

RED

Supply

BLACK

Circuit A

Line

CB – Circuit Breaker

BLACK

OFF

60A

ON

GREY

BLACK BLACK

Voltage

LS – Limit Switch

CONTACTOR

TOP ELEMENTS, 10.0/11.6/7.6 KW

E – Heater Element

RED

2

CIRCUIT

GRD

Ground

IFR – Fan Relay

4

BREAKERS

OR

Cont – Contactor

RED

1

ELEMENTS

3

BOTTOM ELEMENT, 10.0/7.6 KW

Single

IFM– Fan Motor

4

2

OFF

60A

ON

RED

– Fan Plug

RED

1

Supply

GREY

ELEMENTS

3

(optional)

LIMITS

OFF

60A

ON

CONTACTOR

BLACK

RED

WHITE

Ground

GRD