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DIRECT

REPLACEMENT

LENNOX

INTEGRATED HSI MODULE

21d83m-843 LENNOX NITRIDE IGNITION

INTEGRATED HSI FURNACE CONTROL KIT

Controls Gas Valve, Ignitor, Blower, Inducer, Humidifier and

Air Cleaner

FEATURES

• Includes diagnostic indicator flash codes.

• 3 fan speeds.

• Remote flame sense.

• Humidifier and electronic air cleaner connections (optional).

SPECIFICATIONS

Input Voltage . . . . . . . . . . 25 VAC 50 / 60 Hz

Maximum Input Current @ 25 VAC . . 0.45 amp

Valve Relay . . . . . . . . . . . 1.5 amp @ 25 VAC 50 / 60 Hz 0.6 pf

Ignitor Relay . . . . . . . . . . 2.0 amp @ 120 VAC 50 / 60 Hz (resistive)

Inducer Relay . . . . . . . . . . 2.2 FLA – 3.5 LRA @ 120 VAC

Circulator Relay . . . . . . . . . 14.5 FLA – 25.0 LRA @ 120 VAC

Operating Temperature Range . . . -40 to +175°F (-40 to +79°C)

Humidity Range . . . . . . . . . 5% to 93% relative humidity (non-condensing)

21D83M-843

Model

Number

Pre-Purge

Delay Heat

Delay Cool

Auto Reset

ON

OFF

ON

OFF

21D83M-843

15

45 60 / 90 / 120 / 180 2

2/45

60 minutes

CROSS REFERENCE

21D83M-843 Replaces:

Lennox

White-Rodgers

100925-01

56L8301

50A62-120

100925-02

56L84

50A62-121

100925-03

56L8401

50A62-820

10M93

63K89

50A66-122

124110

63K8901

50A66-123

17W92

65867

50A66-743

17W9201

69M08

50A66-843

23W51

69M0801

23W5101

69M15

24L85

69M1501

24L8501

83M00

30W25

83M001

30W2501

97L48

32M88

97L4801

56L83

L39-564

www.white-rodgers.com

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