Installer/configuration menu, Operating your thermostat, Caution – White Rodgers 1F95-1291 User Manual

Page 10

cally reduces indoor humidity with a call for

Cooling if

humidity is 2% above setting. Humidity is set by pressing
the

HUMIDITY key when in the appropriate mode, in

this case

Cooling, and pressing the or keys to set

desired humidity level followed by pressing

Humidity key

again. This dehumidification feature may use more energy
by making dehumidification a priority initiating a call for
cooling if humidity is 2% above desired setting. This
feature may also over-cool the condition space by up to 3
degrees to achieve the desired humidity level. (Note: Both
dehumidification modes operate in Cooling mode only
with a call for cooling)

38.

Change UV Lamp – This feature allows the thermostat to

display the words

"Change UV Lamp" (Call for Service

of UV bulb) after a set time of UV bulb operation. This is

a reminder to maintain your UV system at optimum level

of operation. When enabled, the factory set interval for

"Change UV Lamp" to be displayed is 350 days of UV

bulb operation and can be adjusted in 25 day increments.

This should be adjusted with respect to the bulb’s recom-
mended maintenance schedule.

INSTALLER/CONFIGURATION MENU

When

"Change UV Lamp" is displayed, you can clear it

by pressing Clean Display.

39.

Change Humidifier Pad – This feature allows the thermo-

stat to display the words

"Change Pad" after a set time

of humidifier operation. This is a reminder to maintain or
clean your humidifier. The factory set interval for

"Change

Pad" to be displayed is 200 hours of humidifier operation.
This should be adjusted with respect to the humidifier’s
recommended maintenance schedule.

When

"Change Pad" is displayed, you can clear it by

pressing Clean Display.

40.

Select Change Filter Run Time – This feature allows
thermostat to display

"Change Filter" after a set time of

blower operation. This is a reminder to change or clean
your air filter. This time can be set from 25 to 1975 hours
in 25 hour increments. A selection of OFF will cancel this
feature. When

"Change Filter" is displayed, you can

clear it by pressing Clean Display. In a typical application,
200 hours of run time is approximately 30 days.

OPERATING YOUR THERMOSTAT

If at any time during testing your system does not operate
properly, contact a qualified service person.

Fan Operation

If your system does not have a G terminal connection, skip to
Heating System.

1. Turn on power to system.
2. Press FAN key to

ON position. The blower should begin

to operate.

3. Press FAN key to

AUTO position. The blower should

stop immediately.

To prevent static discharge problems, touch side of
thermostat to release static build-up before touching
any keys.

NOTE

Check Thermostat Operation

Do not allow the compressor to run unless the com-
pressor oil heaters have been operational for 6 hours
and the system has not been operational for at least
5 minutes.

CAUTION

Heating/Humidifier

1. Press SYSTEM key to select HEAT. If the auxiliary heating

system has a standing pilot, be sure to light it.

2. Press

to adjust thermostat setting to 1°

above the

room temperature. The heat pump system should begin
to operate. The display should show "

System On".

However, if the system configuration is set to HP1 or HP2
and setpoint temperature display is flashing, the 5 minute
compressor lockout feature is operating (see Configura-
tion menu, item 11).

3. Adjust temperature setting to 3° above room temperature.

If your system configuration is set at MS2, HP1 or HP2,
the auxiliary heat system should begin to operate and the
display will show

"System On +2".

4. Press

to adjust the thermostat below room tempera-

ture. The heating system should stop operating.

To check the humidifier when

System On appears and the

heating system is running press the

*HUMIDITY button once.

Press

to adjust the humidity 2% or more above the room

humidity level.

Hum On will appear indicating it is calling for

the humidifier.
*Note: If Auto Schedule is displayed instead of Humidity, Auto
Schedule must be turned off in the Configuration Menu.

Emergency Mode

Applies only to Heat Pump Systems

Emergency Heat (System EM Position) bypasses the Heat
Pump to use the heat source wired to terminal

W/E, W2 on

the thermostat.

EM is typically used when compressor opera-

tion is not desired, or you prefer back-up heat only.
1. Press SYSTEM key to select

EM. “EM Heat Mode” will

flash on the display.

2. Press

to adjust thermostat setting above room tem-

perature. The Emergency heating system will begin to
operate. The display will show

“System On” flashing “EM

Heat Mode” and “Heat” to indicate that the Emergency sys-
tem is operating.