Honeywell Heat/1Cool User Guide - Page 84
Luxaire Moncrief/fraser Johnston
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LUXAIRE (MONCRIEF/FRASER JOHNSTON) Electromechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV T841A1712 Y594R1425 Y5Y9549G41G4174619 T8T681611G11R0100400 T8T481411R11R0120802 T8T581511G11G0140721 T8T081011R11R0110406 T8T681611G12G0220802 W890P0CB8190000/2 Function Existing Terminals Common ¿ or B X X X X C C C C C C Power R R · Compressor Y Y 1st Stage - - Heat Auxiliary or W W2 W2 Heat R R R or Y Y1 Y1 Y ´ ´ ´ W1 W1 W1 W2 W2 W2 R Y ´ W1 R Y1 ´ W1 W2 W2 R Y ´ W1 W2 R Y1 ´ W1 R Y1/W1 - µ W2 Aux. Fan G G G G G G G G G G C/O Valve - B B B B ³ or B B O/B B ³ or ³ B O/B O/B Heat C/O Valve O O O O O or ³ O O O/B O ³ or O O/B ³ O/B Cool System Monitor/ - - L - L L L L L L System Defrost EM. Heat or X E E E E E E E E E E Multiple Aux. - W3 W3 W3 ¶ ¶ ¶ ¶ ¶ ¶ Heat Loads » LED Indication - - X2 ² ¾ X1 X2 X1 X2 º - - ¾ - X1 X2 - µ 2nd Stage - - - - - - - - - W2 Compressor ³ Configure O/B (select models) in Installer Setup. · Both first stage heat and cool are connected to Y terminal. » Terminal is for multiple second stage loads such as contactors, sequencers, or relays. ¿ Terminal X (C or B) must be connected to transformer common. ´ Do not remove factory-installed jumper. ² Field-installed X2 to X jumper (provided). ¶ If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. º Optional CHECK LED. Connect X1 to switching device; jumper X2 to C. ¾ Optional LED indication activated with completed circuit on X1 and X2 terminals. µ When W2 is not used, configure W2 cycle rate to NC. M13166 70-6627 • 82