Honeywell Heat/1Cool User Guide - Page 49
Econar
View all Honeywell Heat/1Cool manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 49 highlights
ECONAR Electromechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV T841A1712 Y594R1425 Y5Y95494G1G4174619 T8T681611G11R0100400 T8T481411R11R0120802 T8T5815111G1G0140721 T8T081011R11R0110406 T8T6816111G2G0220802 W890P0CB8190000/2 Existing Function Terminals Common ´ X X X X C C C C C C Power R R R R R Compressor Y Y Y or Y1 Y1 Y ² ² ² 1st Stg. Heat - - W1 W1 W1 Aux. Heat W2 W2 W2 W2 W2 R Y ² W1 W2 R Y1 ² W1 W2 R Y ² W1 W2 R Y1 ² W1 W2 R Y1/W1 - · Aux. Fan G G C/O Valve B B Heat C/O Valve O O Cool » System Monitor/ L System Defrost G G B B O O ¶ L G B O ¹ L G G G ³ or B B O/B B G ³ or B O/B G ³ O/B or ³ or ³ ³ O O O/B O O O/B O/B ¹ ¶ ¹ ¶ ¶ L L L L L EM. Heat E E E E E E E E E E Multiple Aux. W3 W3 W3 W3 ¸ Heat Loads ¿ ¸ ¸ ¸ ¸ ¸ LED Indication - - X2 º µ X1 X2 ¾ X1 X2 - - µ - X1 X2 - 2nd Stage - - - - - Compressor · - - - - W2 ³ Configure O/B (select models) in Installer Setup. · When W2 is not used, configure W2 cycle rate to NC. » If provided on original equipment. ¿ Terminal is for multiple second stage loads such as contactors, sequencers, or relays. ´ Terminal X (C) must be connected to transformer common. ² Do not remove factory-installed jumper. ¶ LED is energized when terminal is powered. º Field-installed X2 to X jumper (provided). ¾ Optional CHECK LED on T8611G1004. See Fig. 26. µ Optional LED indication activated with completed circuit on X1 and X2 terminals. ¸ If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ¹ L terminal is powered continuously when thermostat is in Em. Ht. position. M13152 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T874G1915/Q674F1212 T874R1921/Q674L1207 70-6627 • 47