White Rodgers 90 Thermostat User Manual


 
3
FAN AUTOHRS
CHECK BATTERY STAT SYSTEM
°F
AM
MON
PRG
FAN ON
HEATHEAT
HRS
CHECK BATTERY
°F
AM
MON WED THU FRI SAT SUNTUEWED THU FRI SAT SUNTUE
18 18
19
20
21
21
22
25
2324
Figure 1. The Display
THE DISPLAY
18
Displays system mode (HEAT,
EMER, OFF, COOL, AUTO,
HOLD, or VACA). During program-
ming displays the time period
(OCCU, UNOC) being programmed..
In the configuration menu, the menu
item name is shown, one word at a
time (PRGM MODE, EMR, COOL
FAN DELA OFF, etc.).
19
CHECK STAT appears when the
thermostat detects certain problems
within itself. CHECK SYSTEM
appears when the thermostat detects
certain problems in heating or cooling
the system.
20
Indicates the length of time
remaining in a temporary hold
condition. Also indicates the length of
time remaining in VACATION mode.
21
Displays FAN ON when the fan is
operating continuously. Displays FAN
AUTO when the fan cycles with the
heating or cooling system. Displays
PRG FAN ON when fan is pro-
grammed to be on during a period.
22
Displays the setpoint temperature.
23
Alternately displays room
temperature and time of day.
24
Shows the current day of the week.
When programming, shows the day(s)
being programmed.
25
The word HEAT or COOL will
appear above or below the setpoint if
area
18
is needed to display other
information.
Orientation