TABLE OF CONTENTS
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TABLE OF CONTENTS
SETTING & OPERATING THE THERMOSTAT
S etting fan operat i o n
1
P ress the FAN bu tton to switch betwe e n
ON and AU TO fan se tt i n g s .
FAN on indi cator will be di s p l a ye d
on LC D. When the ON mode is
selected, the fan runs cont i nu ou s l y
for improved air circ ulation.
When the AU TO mode is se l e c t e d ,
the fan runs only as needed to
m a i ntain your desired indoor tem-
p e ra t u re. FAN on indi cator is not
di s p l a yed on LC D.
S etting mode operat i o n
1
P ress the MODE bu tt o n .
2
On the LCD re a d ou t, the wo rds OFF,
H E AT, COOL, and AU TO will rotate as the
MODE bu tton is pre s se d .
If you have a heat pu m p, the LC D
re a d out will show OFF, HEAT,
C O O L, AU TO, and EMERG E N CY
H E AT (EHEAT ) .
N OT E: In AU TO mode, your system will
heat OR cool as needed to reach you r
72
COOL
FAN
72
H E AT COOL A U TO
OFF
72
COOL
SETTING & OPERATING THE THERMOSTAT
S etting your indoor te m p e r at u re set points
1
P ress the UP or DOWN bu tt o n .
The LCD re a d out will be illuminated and
the heating or cooling tempera t u re se t
p o i nt will be di s p l a yed, but will not
c h a n g e. Next to the tempera t u re
di s p l a y, HEAT or COOL indi ca t e s
which tempera t u re set point is
being di s p l a ye d .
2
Co nt i nue to press the UP or DOWN bu t-
tons until your desired heating or cooling
t e m p e ra t u re set point is di s p l a ye d .
3
P ress the MODE bu tton to select the
second tempera t u re se tting (either
H E AT or COOL).
4
P ress the UP or DOWN bu ttons until you r
second desired tempera t u re set point is
di s p l a ye d .
N OT E: Your COOL se tting must be at least
2
˚
h i gher than your HEAT se tting. You r
thermostat will automatically change you r
p rev i ously set tempera t u re to maint a i n
that 2
˚
di ffe re n c e.
72
SET TEMP
COOL
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BY Legacy Tstat HO Guide 7/28/04 12:46 PM Page 2
