Setpoint Display and Adjustment
ROOM 69
FAN
AUTO
SETPOINT 64 SYSTEM
HEAT
Figure 9
After the desired setpoint is reached, the HOME screen will reappear after about 8 seconds.
Fan Control
The FAN button is located behind the small door on the
If continuous fan mode is enabled, the fan will run continu- ously regardless of whether the heating or cooling equip- ment is running. Also, ON will be displayed in the FAN box as shown in figure 10.
Fan ON with Icon
ROOM 73
FAN
ON
SYSTEM
HEAT
Figure 10
If auto fan mode is selected, the fan will only run when the heating or cooling equipment is running. In this case, AUTO will be displayed in the FAN box as shown in figure 11.
Fan AUTO with Icon
ROOM 73
FAN
AUTO
SYSTEM
HEAT
Figure 11
To change from continuous to auto fan mode and vice versa, press the FAN button. Also note the presence of a fan icon in the FAN box. This icon indicates that the fan is running.
Filter Reminder
The 51M33 thermostat includes a filter reminder feature. The filter reminder can be set for 1, 3, 6, or 12−month inter- vals. The SETTINGS button, located behind the door on the right−hand side of the thermostat is used to set the filter reminder interval. See figure 3. Press the SETTINGS but- ton from the HOME screen to display the Filter Reminder Settings screen as shown in figure 12.
Filter Reminder Settings
0 Filter
Figure 12
The default setting for the filter reminder is 0, which dis- ables the function. Use the UP arrow while in the Filter Re- minder Settings screen to select the desired interval be- tween reminders. It may be necessary to press the UP arrow several times to access the desired setting. The HOME screen will reappear about 10 seconds after the ar- row key has been pressed for the final time.
After the programmed interval has elapsed, the FILTER re- minder will be displayed as shown in figure 13. After the fil- ter has been changed, reset the filter reminder by pressing the SETTINGS button for 4 seconds. The screen will blink for a few moments to indicate that the timer has been reset.
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