Honeywell RTH7400 Installation Manual page 22

Installation Guide
System setup
Setup functions
0180 Heating Fan
Control
0190 Heat Pump
Changeover
Valve (for heat
pumps only)
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Settings & Options
Press to select your heating system & fan control:
s/t
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 to select whether your changeover valve is used in heating or
s/t
cooling:
0 Cooling changeover valve: Use this setting if you connected a wire
labeled "O" to the O/B terminal (see page 10).
1 Heating changeover valve: Use this setting if you connected a wire
labeled "B" to the O/B terminal (see page 10).
NOTE: Press NEXT button to continue.
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