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THE THE
THE THE
THE
THERMOSTTHERMOST
THERMOSTTHERMOST
THERMOST
AA
AA
A
T BT B
T BT B
T B
UTTUTT
UTTUTT
UTT
ONSONS
ONSONS
ONS
See inside front cover for illustration
showing button locations.
1
(Blue arrow) Lowers temperature
setting (45°F or 7°C minimum)
2
(Red arrow) Raises temperature setting
(99°F or 37°C maximum)
3
The yellow indicator glows when the
system is operating.
4
This button (on top of the cover) lights
the display.
5
Used to initiate or review thermostat
programming.
6
Used with TIME
FWD
/TIME
BACK
to set the clock.
7
Used to adjust the time backward, or to
select the previous menu item.
8
Used to adjust the time forward, or to
select the next menu item.
9
Used with TIME
FWD
/TIME
BACK
to set the current day and with
HOLD
to
enter VACATION mode.
10
Used to advance operation to the next
program period.
11
Used to manually override program-
ming to hold at a selected temperature.
12
Used to display humidity.
13
Selects fan operation (see The Display,
figure 1
21
). This button is also used to
program the fan to run continuously during
a program period.
14
Used to set/reset the filter and
humidity maintenance timer.
15
Sets the system mode (HEATing, OFF,
COOLing, or AUTOmatic changeover).
16
Used to adjust the clock one hour
forward or back.
17
Used to start or return to program
operation.
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