Emerson White-Rodgers HSI Integrated Control Board, for Trane Furnaces with Variable Speed Motors

Emerson White-Rodgers 50V64-743, HSI Integrated Control Board, For Trane Furnaces with Variable Speed Motors

Features:
80 VAC igniter output.
Variable speed circulator output, variable speed inducer output.
Two stage gas valve output.
System diagnostic LED with fault recall.
Furnace status and fault LEDs: Green and Red
Heat fan off delay (dipswitch selectable), fan on delay for cooling.
Auto second stage delay (dipswitch selectable).
120 VAC humidifier output/120 VAC electronic air cleaner output

SPECIFICATIONS
Electrical Ratings [@ 77oF (25oC)]:
Input Voltage . . . . . . . . . . . . . . . . . . . . 24 VAC, 60 Hz
Max. Input Current @ 25 VAC . . . . . . . 525mA + MV
Relay Load Ratings:
Gas Valve Relay . . . . . . . . . . . . . . . . . 1.5 amp @ 25 VAC, 60 Hz, 0.6 pf
Ignitor . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 amp @ 80 VAC, 60 Hz – resistive
Humidifier Relay . . . . . . . . . . . . . . . . . 1.0 amp @ 120 VAC, 60 Hz
Electronic Air Cleaner Relay . . . . . . . . 1.0 amp max. @ 120 VAC, 60 Hz
Flame Current Requirements:
Minimum current to insure flame detection 1 μa DC*
Maximum current for non-detection . . . 0.1 μa DC*
Maximum allowable leakage resistance 100 M ohms
*Measured with a DC microameter in the flame probe lead
Operating Temperature Range . . . . . . -40o to 175oF (-40 to 80oC)
Humidity Range . . . . . . . . . . . . . . . . . . 5% to 95% relative humidity (non-condensing)
Timing Specs: (@ 60 Hz**) maximum
Flame Establishing Time . . . . . . . . . . 0.8 sec
Flame Failure Response Time . . . . . 2.0 sec.
Gases Approved . . . . . . . . . . . . . . . . . Natural, manufactured, mixed, liquid
petroleum, and LP gas air mixtures are all approved for use