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

Orientation

THE DISPLAYTHE DISPLAY

THE DISPLAYTHE DISPLAY

THE DISPLAY

18

Displays system mode (HEAHEA
HEAHEA
HEATT
TT
T,
EMER,EMER,
EMER,EMER,
EMER, OFF OFF
OFF OFF
OFF, COOLCOOL
COOLCOOL
COOL, AA
AA
AUTUT
UTUT
UTOO
OO
O, HOLDHOLD
HOLDHOLD
HOLD,
or VACAVACA
VACAVACA
VACA). During programming
displays the time period (MOR, DAY,MOR, DAY,
MOR, DAY,MOR, DAY,
MOR, DAY,
EVE, NHTEVE, NHT
EVE, NHTEVE, NHT
EVE, NHT) being programmed.. In the
configuration menu, the menu item
name is shown, one word at a time
(PRGMPRGM
PRGMPRGM
PRGM MODEMODE
MODEMODE
MODE, EMREMR
EMREMR
EMR, COOLCOOL
COOLCOOL
COOL FANFAN
FANFAN
FAN
DELADELA
DELADELA
DELA OFFOFF
OFFOFF
OFF, etc.).
19
CHECK STATCHECK STAT
CHECK STATCHECK STAT
CHECK STAT appears when the
thermostat detects certain problems
within itself. CHECK SYSTEMCHECK SYSTEM
CHECK SYSTEMCHECK SYSTEM
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 FF
FF
FAN ONAN ON
AN ONAN ON
AN ON when the fan is
operating continuously. Displays FF
FF
FANAN
ANAN
AN
AA
AA
AUTUT
UTUT
UTOO
OO
O when the fan cycles with the
heating or cooling system. Displays
PRPR
PRPR
PRG FG F
G FG F
G F
AN ON AN ON
AN ON AN ON
AN 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 HEAHEA
HEAHEA
HEATT
TT
T or COOLCOOL
COOLCOOL
COOL will
appear above or below the setpoint if
area 18 is needed to display other
information.