Install Instructions

Installing and Displaying Outdoor

Temperature on Home Screen

Install the optional (purchase separately) outdoor

sensor (X2658) on a northern wall of the home,

away from direct sunlight or other heat sources

that may affect its sensitivity.

NOTE - The outdoor sensor uses standard

thermostat wiring; it may be wired using two wires

of a multi-wire cable with a wire run not to exceed

300 feet or 100 meters.

1. Connect outdoor sensor to terminals Tc and

To on thermostat.

2. To enable the outdoor sensor go to menu

and touch settings and hold until the installer

settings pop-up window appears.

3. Touch confirm to proceed.

4. From the installer settings menu, select

outdoor sensor and select yes. A green

check mark will appear next to the selection

that confirms selection.

5. To display the outdoor temperature sensor

information on the home screen, from the

home screen go to menu and touch

settings. This will take you to the user

setting screen. Select display and select

outdoor temperature display and then

select sensor.

NOTE - If the outdoor sensor is connected to the

thermostat after the above procedure is

completed and error code 9 appears on the

screen, check your wiring connections to

terminals TO and TC on the thermostat.