Aprilaire 8533 Aprilaire, Digital Heat/Cool Thermostat, 110-964B 7/12/01 914 AM Page, Mode Fan

110-964B 7/12/01 9:14 AM Page 4

Aprilaire

Digital Heat/Cool Thermostat

Temperature ˚F or ˚C. Room temp. normally displayed. Press Outdoor button to display outdoor temp. (Model 8041 Remote Outdoor Sensor required).

Set-point icon displays the active set point (full sun = Day set point, partial moon = Night set point).

Press to select

Heat/Cool/Auto/Off.

(Auto for Models 8534 & 8538 only)

Press for continuous fan. Press again to resume to auto fan.

Fan icon displays during continuous fan only.

Mode

Fan

Heat and Cool Mode icons. Both displayed during Auto Mode.

Flame flickers during heat call and Snowflake flashes during cool call.

	Displays mode when
Outdoor	changing (Heat, Cool,
	Off, and Auto).
	(Auto for Models 8534
	& 8538 only)
Day/Night

Press to display outdoor temperature (w/optional Model 8041 Remote Outdoor Sensor only).

Press to change set point to either the Day or Night preset value.

Press to raise and lower set point. Press both at the same time to switch between ˚F and ˚C. Press and release to view current set point.

Figure 1 - Display and Button Description – 2 –