SMECO CoolSentry Programmable Thermostat Instructions
Getting to know your SMECO CoolSentry Programmable Thermostat
BATT
FAULT
2
1
3
4
7
5
6
8
9
10
11
13
16
19
15
14
12
17
20
18
INFO
PRGM
SYSTEM
Programming Keys
The functions that appear below the buttons (SELECT, MODE) become
active when you press PRGM to enter programming mode. Otherwise,
these keys perform their alternate functions, which appear above the keys.
FAN
ON
MODE
AUTO
HOLD
TIER
SELECT
Fltr
RUN
The thermostat buttons and switches
1
Raises the temperature setting.
2
Lights to indicate that a curtailment event is
occurring or will occur soon.
3
Lowers the temperature setting.
4
RUN button – Runs your heating or cooling program.
5
HOLD / TIER button – In normal mode, sets a
temperature hold. (Note: TIER functionality is not
currently used.)
6
INFO / SELECT button – In normal mode, displays
the information screen (if available). In programming
mode, switches between temperature setpoint and
period start time.
7
PRGM button – Enters thermostat programming
mode.
8
SYSTEM / MODE button – During normal operation,
selects the system mode. (See #15 for description
of system modes.) In programming mode, switches
between heating and cooling programs.
9
FAN switch - ON means fan is always on. AUTO
means fan runs when the compressor or furnace runs.
The display
10
Indicates day of the week.
11
Indicates a system hold is in effect. Flashing
HOLD
indicates a temporary hold. Solid (not flashing)
HOLD
indicates a permanent hold.
12
Displays the current time. Press up or down arrow
button once, or
RUN
button, to display the current
temperature setpoint, as shown above in
20
.
13
Displays the current room temperature.
14
Solid (not flashing) antenna icon indicates the
system is in recovery from a curtailment event.
Icon disappears when the programmed temperature
is reached. Flashing antenna icon indicates remote
communication to the thermostat, such as web
programming, has occurred. Press any key to
turn off the display.
15
Indicates current system mode:
HEAT
for heat
mode,
COOL
for cool mode,
HEAT
and
COOL
for
auto-changeover mode, or
EMER
for emergency
heat mode. (Note:
EMER
is available only if you
have a heat pump system.) Displays
FLTR
(in ad-
dition to the mode) as a reminder when the system
filter needs to be changed. Press
RUN
and
HOLD
together to turn off the
FLTR
reminder.
16
Displays
STG 1
when the first stage of heat or cool is
running. Displays
STG 1+2
when the first and second
stage of heat or cool is running. (Note: +2 does not
display for single stage systems.)
17
Displays current period of the day (
MOR
,
DAY
,
EVE
or
NHT
). Alternates with
SAVE
during
curtailment events and
AUX
if your auxiliary heat
is turned on. (Note:
AUX
applies to heat pump
systems only.)
18
Indicates a communications failure. Does not
indicate a problem with the thermostat.
19
Displays
BATT
when the 2 AA batteries are low
and should be replaced.
20
Indicates the current temperature setpoint.
