Features:
• Includes diagnostic indicator flash codes
• 3 fan speeds
• Remote flame sense
• Humidifier and electronic air cleaner connections (optional)
21D83M-843 Cross Reference
21D83M-843 Replaces following TRANE and White Rodgers parts:
10M9301
12L6901
32M8801
56L8401
24L8501
63K8901
97L4801
100925-01
100925-03
17W9201
23W5101
30W2501
69M0801
69M1501
83M00
50A65-120
50A65-121
50A62-120
50A62-121
50A62-820
21D83M-843
50A66-122
50A66-123
LB-109531A SureLight Repl Kit
Kit includes:
1 – 50A66-843 Ignition Control Board
1 – Wiring harness (9-pin to 12-pin)
1 – Wiring harness (4-pin to 6-pin)
1 – Mounting panel
4 – Stand-off fasteners
1 – Circuit breaker
1 – 4" blue wire
2 – Wiring diagrams
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)