Honeywell CT3500 User Manual

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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
switch.
Heat: The thermostat controls your heating system.
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
System
Cool
Heat
Off
System
Cool
Heat
Off
System
Cool

Honeywell CT3500 Specifications

General

Brand	Honeywell
Model	CT3500
Category	Thermostat
Language	English