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50T35-743 Replaces:
Goodman White-Rodgers
B18099-06 50T35-730
B18099-08 50T35-730-1
B18099-10
B18099-13
B18099-13S
CNT04664
CROSS REFERENCE
GOODMAN
INTEGRATED HSI MODULE
DIRECT
REPLACEMENT
50T35-743
50T35-743 GOODMAN SILICON CARBIDE
INTEGRATED HSI FURNACE CONTROL
Controls Gas Valve, Ignitor, Two-Speed Blower Motor, Inducer,
Humidifier (Both 120v & 24v Input), and Air Cleaner. Replaces OEM
Goodman, UTEC and TI Models
FEATURES
• Includes flash code diagnostics.
• Twinning.
• Includes mounting hole template.
• Fused to protect low voltage system transformers.
• Adjustable blower relay.
• 90+ furnace option.
SPECIFICATIONS
Operating Temperature . . . . . . . . . -40 to 176°F
Humidity Range . . . . . . . . . . . . 95% RH (non-condensing)
Mounting . . . . . . . . . . . . . . . Plastic standoffs
Electrical Ratings @ 77°F (25°C)
Input Voltage . . . . . . . . . . . . . 20-30 VAC RMS 50 / 60 Hz
Maximum Input Current @ 30 VAC . . . . . 0.35 amp
Relay Load Ratings
Valve Relay . . . . . . . . . . . . . . 1.5 amp @ 30 VAC 50 / 60 Hz 0.6 pf
Ignitor Relay . . . . . . . . . . . . . 5.0 amp @ 120 VAC 50 / 60 Hz
Inducer Relay . . . . . . . . . . . . . 4.0 FLA-8.0 LRA @ 120 VAC
Circulator Relay . . . . . . . . . . . . 14.5 FLA-25.0 LRA @ 120 VAC
Flame Current Requirements
Minimum current to insure flame detection . . 75 uA DC
Maximum current for non-detection . . . . . 0.10 uA DC
Maximum allowable leakage resistance . . . 100 M ohms
Timing Spec @ 60 Hz
Flame establishing time . . . . . . . . . n/a
Flame failure response time . . . . . . . 2.0 seconds maximum
NOTE: At 50 Hz, all timing specifications should be increased by 20%.
Model
Number
Pre-Purge
Time
Heat
Delay On
Heat Delay
Off Sec.
Cool Delay
On Sec.
Cool Delay
Off Sec.
Post
Purge
50T35-743 15 seconds 30 90 / 120 / 150 5 60 25 sec (29 w/ 90+)
49
HEATING