Option 17 - Minimum Time Between Equipment Stages (HP only)

Selections:

10, 15, 20, 25 minutes — Default is 15.

When there are two stages of heat available, this is the amount of time the first stage must operate before the second stage can turn on. With heat pumps, longer times can reduce the amount of auxiliary heat used. Not available with AC thermostats.

Option 18 - Backlight Configuration

Selections:

ON, OF — Default is OF.

When ON is selected and the thermostat is not battery operated, a low level continuous display backlight is always on. With OF selected, the backlight is only on for a short time after a key is pressed.

NOTE: Continuous backlight is not available with battery operation.

Option 26 - Minimum Cooling Setpoint

Selections:

52_ to 90_F — Default is 62_F.

Sets the lowest cooling setpoint available to the user.

Option 27 - Maximum Heating Setpoint

Selections:

50_F to 88_F — Default is 83_F.

Sets the highest heating setpoint available to the user.

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Carrier PTACSTAT-NP-HC Option 17 Minimum Time Between Equipment Stages HP only, Option 18 Backlight Configuration