Honeywell Heat/1Cool User Guide - Page 100
Optional LED on T8611G1004. See Fig. 26.
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TRANE/AMERICAN STANDARD Electromechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV T841A1555 Y594R1763 Y594G1161 T8T681611G11R0100400 T8T481411R11R0120802 T8T581511G11G0140721 T8T081011R11R0110406 T8T681611G12G0220802 W890P0CB8190000/2 Existing Function Terminals Common ³ C B B B Power R R R R Compressor or Y Y1 Y Y Y 1st Stage W1 - - - Heat Aux. Heat W2 W W W Fan G G G G C/O Valve B - - - Heat C/O Valve O Cool System Monitor/ L System Defrost O O O ¶ ¶ ¶ F F F Outdoor Stat E X2 X2 X2 LED Indication or X1 X2 - - - 2nd Stage - - - - Compressor 2nd Stage - - - - Cool ³ Terminal must be connected to the transformer common. · Optional LED indication activated with completed circuit on X1 and X2 terminals. » Do not remove factory-installed jumper. ¿ Optional LED on T8611G1004. See Fig. 26. C R or Y1 Y » W1 W2 G B O º L C C C C C R R R R R Y » W1 Y1 » W1 Y » W1 Y1 » W1 Y1/W1 - ² W2 W2 W2 W2 Aux. G G G or ´ B B O/B B or ´ O O O/B O G G or ´ ´ B O/B O/B or ´ ´ O O/B O/B º ¶ º ¶ ¶ L L L L L E E E X1 X2 ¿ - - - - - E E E · - X1 X2 - ² - - W2 - - - - - Y2 ´ Configure O/B (select models) in Installer Setup. ² When W2 is not used, configure W2 cycle rate to NC. ¶ LED is energized when terminal is powered. º L terminal is powered continuously when thermostat is in Em. Ht. position. M13226 70-6627 • 98