Honeywell CT3500/CT3595 manual Connected to the G thermostat terminal, Controls the fan operation

Page 18

STEP 12. SET THE FAN AND SYSTEM SWITCHES

First set the fan switch.

Fan On: The fan runs continuously. Use for improved air

 

circulation or for more efficient central air cleaning. (In a

 

heat-only system, fan runs continuously only if fan relay is

 

connected to the G thermostat terminal).

 

Fan Auto: Normal setting for most homes. The equipment

 

controls the fan operation.

Then set the system

Heat: The thermostat controls your heating system.

switch.

 

 

Off: Both the heating and air conditioning systems are off.

 

Cool: The thermostat controls your air conditioning system.

On Auto

Fan

On Auto

Fan

Heat Off Cool System

Heat Off Cool System

Heat Off Cool System

69-1199—2

18

Image 18 Contents
Table of Contents Honeywell CT3500/CT3595Mercury Notice 69-1199-269-1199-2 WakeLeaveReturnSleep Hold forDays SystemCompatibility Chart Prepare for InstallationPackage Contents Tools RequiredSpecial Installations Replacing a Thermostat that has Six or More WiresRemove OLD Thermostat Replacing a Thermostat that has Three Wires Mount Thermostat WallplateWire Wallplate Terminals Install the Batteries Terminal Designations on Old and New ThermostatsConnect To Description SET FAN Operation Switch If the thermostat is already mounted on the wall, removeMount the Thermostat Customize Your ThermostatSystem Type Feature Number Smart Response Technology Feature NumberTemperature Format Feature Number SET the Clock Time Format Feature NumberFactory Set Function Feature Number Set Current Day and TimeProgramming Return Program WeekdaysLeave SleepProgram Saturday and Sunday Clear a Program PeriodOperating Your Thermostat Change Temperature Setting Indefinitely HoldTo cancel Hold press Program You press ProgramFan Auto Normal setting for most homes. The equipment Connected to the G thermostat terminalControls the fan operation Then… If YOU have a ProblemSolution Guide 40 to 90F 4.5 to 32C for heatingToll-Free Customer Assistance Display flashes during programmingCheck the program times for the period in question Temperature Smart Response TechnologyWiring Diagrams Wire HEAT-ONLY Jumper IntactWire HEAT/COOL with Damper Jumper Intact Limited One-Year Warranty Home and Building Control