Honeywell Heat/1Cool User Guide - Page 78
Existing, Terminals, PC8900, AVAILABLE, NOT AVAILABLE
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LENNOX HP6 Electromechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV T841B1000 Q6T7847B41C0170518 AVAILNAOBTLE T8T681611G11R0100400 T8T481411R11R0120802 T8T581511G11G0140721 T8T081011R11R0110406 T8T681611G12G0220802 W890P0CB8190000/2 Existing Function Terminals or or Common ³ - - - X - or ¿ or ¿ Power R V VR V VR V R R ´ Compressor Y1 M1 M Y1 Y1 ´ ´ 1st Stage W1 R - W1 W1 Heat Auxiliary W2 Y Y W2 W2 Heat Fan G F F G G C/O Valve - - R O O Cool SystemMonitor/ X1 - - - - System Defrost Em. Heat - - - - - 2nd Stage - - - - - Compressor ³ Terminal X (C) must be connected to transformer common. · Configure O/B (select models) in Installer Setup. » If separate Y1 and W1 terminals are required, install R8222D1014; see page 12. NOT AVAILABLE C C C C C C R R R R R R Y1 ´ W1 W2 Y Y1 Y ´ ´ ´ W1 W1 W1 W2 W2 W2 Y1 ´ W1 » Y1/W1 - ¶ W2 Aux. G G G G G G O · O O or O/B O · O or O/B · O/B L L L L L L ² E - ² E - E² - ² E - ² E - ² E ¶ W2 ¿ If separate transformers are used, replace with one 75 VA transformer as shown on page 78. ´ When replacing models with one compressor terminal, jumper Y1 to W1. ² Field-installed E to W2 (Aux) jumper required. ¶ When W2 is not used, configure W2 cycle rate to NC. M13162 70-6627 • 76