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TABLE NOTES

:

M1-M2 and M3-M4 are always first switches

to turn ON and last to turn OFF. All other

switches are random ON and random OFF

24A34-14 Switch contacts designated

F

1

- F

2

instead of M

1

- M

2

24A34-28 is 2 pole double throw

These contacts switch simultaneously

NOTE

: Underwriters Laboratories requires a

fan interlock circuit to insure the blower

remains operating whenever more than one

sequencer is used. The fan interlock should

be the M

1

/ M

2

contacts of the second or third

sequencer.

All M

1

/ M

2

contacts are wired to the blower

motor so that any sequencer that is energized

will keep the blower ON.

COMBINED LOAD RATING TABLE

(ALL MODELS)

30A @ 240 VAC – TOTAL,

23A Non-Inductive + 7 FLA / 42 LRA Inductive,

ON Time: Elapsed time to make contacts after

heater is energized (min. to max.)

OFF Time: Elapsed time to break contacts after

heater is de-energized (min. to max.)

24A34-3

Model

Timings

Number

Timings

Switches

ON 1-3

OFF 1-3

24A34-15

1

1

1-60

75-95

24A34-15 HEAT PUMP CONTROL

FEATURES

• Used in heat pump air handler applications.

• Provides a delay off to the blower motor in cooling mode.

• Single pole double throw.

Resistive (Non-Inductive)

Motor Ratings (Inductive)

VAC

Watts

Amps

Full Load Locked Rotor

Pilot Duty

120

3000

25.0

14.0A

72.0A

125 VA

240

6000

25.0

7.0A

42.0A

125 VA

ELECTRICAL RATINGS – NORMALLY OPEN CONTACTS 1-3

Resistive (Non-Inductive)

VAC

Watts

Amps

Pilot Duty

120

1200

10.0

125 VA

240

1200

5.0

125 VA

ELECTRICAL RATINGS – NORMALLY CLOSED CONTACTS 1-2

ELECTRIC HEAT

PRODUCTS

HEAT

SEQUENCERS

Indicates Canadian Model Number: call 1-800-305-6953 to order

24A34 SERIES ELECTRIC HEAT SEQUENCERS

Direct Replacement for Most Fan / Heat Sequencing Functions.

Terminal Markings are Equivalent to Competitive Types

FEATURES

• Replaces Honeywell, MARS, TOD,

• Any contacts (except M1 & M2) can be

GEMLINE, Klixon (Texas Instruments).

used as auxiliary contacts.

• 24V input control.

• Double quick-connect terminals for

• Multi-poise mounting.

combination loads.

SPECIFICATIONS

Ambient Temperature Rating . . . . . -50 to +165°F

Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. component recognized

ELECTRICAL RATINGS – SINGLE LOAD CONTACT RATINGS (ALL MODELS)

VAC

Resistive (Non-Inductive)

Motor Ratings (Inductive)

Pilot Duty

Watts

Amps

Full Load Locked Rotor

120

3000

25.0

14.0A

72.0A

125 VA

240

6000

25.0

7.0A

42.0A

125 VA

480

6000

12.5

480 VA

Model

Number Timings Switches

Timings – ON

Timings – OFF

M1-M2 M3-M4 M5-M6 M7-M8 M9-M10 M1-M2 M3-M4 M5-M6 M7-M8 M9-M10

24A34-1

1

1 1-20 –

– 40-110 –

24A34-2

1

1

– 30-90 –

– 1-30 –

24A34-3

1

2 1-20 1-20 –

40-110 40-110

24A34-4

1

2

– 30-90 30-90 –

– 1-30 1-30 –

24A34-5

2

3 1-110 1-110 1-110 –

– 1-110 1-110 1-110 –

24A34-6

2

4 1-110 1-110 1-110 1-110 – 1-110 1-110 1-110 1-110 –

24A34-14

➀➁

4

5 1-160 1-160 1-160 1-160 1-160 1-160 1-160 1-160 1-160 1-160

24A34-21

1

1 1-20 –

– 1-50 –

24A34-22

1

1 15-45 –

– 1-30 –

24A34-23

1

1 25-55 –

– 15-45 –

24A34-24

1

1 30-75 –

– 1-40 –

24A34-25

1

1 40-90 –

– 1-30 –

24A34-26

2

2 1-20 30-90 –

– 40-90 1-30 –

24A34-27

2

2 1-160 1-160 –

– 1-160 1-160 –

24A34-28

2

2 1-160 1-160 –

– 1-160 1-160 –

24A34-29

1

1 15-35 –

– 25-55 –

24A34-36

2

2 1-20 30-45 –

– 45-110 1-30 –

24A34-37

1

1 1-110 –

– 1-110 –

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75

HEATING