Emerson 1F97-391 User Manual

Page 38

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.

Adjusta

Adjustab

ble Humidity Displa

le Humidity Displa

le Humidity Display

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).

Humidifier

Humidifier
Maintenance Indica

Maintenance Indica

Maintenance Indicator

tor

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