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be set anywhere from 0 to 1975 hours
in 25 hour increments. A selection of
00 will cancel this feature.
When CHCK HUMD is displayed,
you can clear it by pressing HUM/
FLTR SERVICE button. This resets
the timer and starts counting the hours
until the next humidifier maintenance.
The following steps will allow you to
change the number of hours for
humidifier maintenance.
1. If you see CHCK HUMD on the
display, press the HUM/FLTR
SERVICE button once to reset the
timer. Also display will show SET
HUMD TIME and will show the
number of hours to humidifier
maintenance.
2. Press TIME
FWD
or TIME
BACK
to change the time to your require-
ments.
3. Press PROGRAM
RUN
to return
to the normal operating mode.
repeat this sequence three times. If the
temperature still does not rise, it will
continue to call for heat. This normally
indicates the heating system is not
working correctly. You may wish to
consult your furnace manufacturer or
service person.
The display will indicate CHECK STAT
if one of the following occurs.
• One of the buttons is stuck down or
in. Check buttons, make sure nothing
is pushing them in.
• The thermostat sensor is not
functioning. If using a remote sensor,
check connections, wiring and power.
• The humidity sensor is not function-
ing.
After checking the above, press
PROGRAM
RUN
to reset the
display. If this does not clear the
display, disconnect power and remove
the batteries for five minutes.
If these checks fail to solve the
problem, the thermostat should be
replaced.
AdjustaAdjusta
AdjustaAdjusta
Adjusta
bb
bb
b
le Humidity Displale Humidity Displa
le Humidity Displale Humidity Displa
le Humidity Displa
yy
yy
y
..
..
.
The room humidity display can be
adjusted to read higher or lower by
following the configuration menu and
adjusting the humidity to a higher or
lower value (up to 20% RH). The
sensed humidity is calibrated at the
factory. If you want to adjust it, refer
to the CONFIGURATION section
(page 19, step 14).
HumidifierHumidifier
HumidifierHumidifier
Humidifier
Maintenance IndicaMaintenance Indica
Maintenance IndicaMaintenance Indica
Maintenance Indica
tortor
tortor
tor
..
..
.
This feature allows the thermostat to
display the words CHCK HUMD
(check humidifier) after a set time of
humidifier operation. This is a
reminder to maintain or clean your
humidifier. The factory set interval for
CHCK HUMD to be displayed is 100
hours of humidifier operation. This can