Honeywell Heat/1Cool User Guide - Page 104
Typical Wph Series
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WEATHERKING TYPICAL WPH SERIES Electromechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV T841A1712 Y594R1425 Y5Y95494G1G4174619 T8T681611G11R0100400 T8T481411R11R0120802 T8T5815111G1G0140721 T8T081011R11R0110406 T8T6816111G2G0220802 W890P0CB8190000/2 Function Existing Terminals Common ᕦ or or X C1 C X X X C C C C C C Power R R Compressor or Y W1 Y 1st Stage - - Heat Aux. Heat or W2 E W2 Fan G G C/O Valve B B Heat C/O Valve or O Y1 O Cool System Monitor/ or L X System Defrost R R R or Y Y1 Y1 Y ¶ ¶ ¶ W1 W1 W1 W2 W2 W2 µ µ G G G B B B O O ¿ ¿ L X1 O ´ L R R R R R Y ¶ W1 Y1 ¶ W1 Y ¶ W1 Y1 ¶ W1 Y1/W1 - · W2 W2 W2 W2 Aux. G G G or ³ B B O/B B or ³ O O O/B O G or ³ B O/B ³ or O O/B G ³ O/B ³ O/B ´ ¿ ´ L L L ¿ ¿ L L Em. Heat E E E E E E E E E E Multiple Aux. W3 Heat Loads » LED Indication - 2nd Stage - Compressor W3 W3 W3 µ µ µ ¸ X2 ¾ X2 ¾ X1 X2 º - - - - - - - - µ µ µ - X1 X2 - · - - W2 2nd Stage - Cool - - - ³ Configure O/B (select models) in Installer Setup. · When W2 is not used, configure W2 cycle rate to NC. » Terminal is for multiple auxiliary heat loads such as contactors, sequencers, or relays. ¿ LED is energized when terminal is powered. ´ L terminal is powered continuously when thermostat is in Em. Ht. position. ² Terminal must be connected to the transformer common. - - - - - Y2 ¶ Do not remove factory-installed jumper. º Optional Check LED on T8611G1004. See Fig. 26. ¾ Field-installed X2 to X (C) jumper. µ If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. M13209 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER OR CUSTOMER PART NUMBER T841A1373 T8141A1105 GE 3AAT80 70-6627 • 102