Honeywell YRTH7500D1009 Quick Installation Guide - Page 19
RTH7400/RTH7500 Series, 2487ES-01 - controls
UPC - 085267257244
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SETUP WIRING RTH7400/RTH7500 Series ASybsotuetmyosuertunpew thermostat See page 14 to navigate between functions. Function Settings & Options 0180 Heating Fan Control Press s/t to select your heating system & fan control: 0 Gas or oil heat: Use this setting if you have a gas or oil heating system (system controls fan operation). 1 Electric heat: Use this setting if you have an electric heating system (thermostat controls fan operation). Press NEXT 0190 Heat Pump Changeover Valve (for heat pumps only) Press s/t to select whether your changeover valve is used in heating or cooling: 0 Cooling changeover valve: Use this setting if you connected a wire labeled "O" to the O/B terminal (see page 22). 1 Heating changeover valve: Use this setting if you connected a wire labeled "B" to the O/B terminal (see page 23). Press NEXT NOTE: Some functions in the following pages may not appear due to previous selections made. ASSISTANCE TROUBLESHOOTING 17 69-2487ES-01