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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+)

www.white-rodgers.com

49

HEATING