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OPTION 15 -- AUTO MODE ON/OFF SELECTION --
This option allows the installer to enable or disable AUTO
mode (automatic changeover between heat and cool). When
disabled, AUTO icon does not appem when successive presses
of MODE button me used to move between OFE HEAT. and
EHEAT (in heat pump systems). Facto U default is ON (AUTO
mode enabled).
To select:
1. Enter Configuration mode.
2. Use up and down buttons to display Option 15. The
SET icon should be off.
3. Press MODE button once. The SET icon will come on.
The Option 15 setting is now displayed.
4. Use up and down buttons to move between available
Option 15 choices of ON or OE Factory default is ON.
5. Press MODE button again to return to Option 15. The
SET icon will now be off.
6. Use up and down buttons to select another Option, or
press the FAN button to exit Configuration mode.
OPTION 18 -- BACKLIGHT CONFIGURATION
-- This
function is only available when the thermostat is operating
from full power via R and C. It is not available when the ther-
mostat operates from battelies. In OF (off) mode, this function
is disabled. The thermostat backlight will normally be off. It
turns on with any button press and stays on for 10 seconds in
between button presses. [n ON mode, this limction is enabled.
The thermostat backlight will normally be on and dim in ap-
pem'ance. The backlight becomes brighter with any button
press and remains bright for 10 seconds. Facto U default is OE
To select:
1. Enter Configuration mode.
2. Use up and down buttons to display Option 18. The
SET icon should be off.
3. Press MODE button once. The SET icon will come on.
The Option 18 setting is now displayed.
4. Use up and down buttons to move between available
Option 18 choices of ON or OE The facto U default is OE
5. Press MODE button again to return to Option 18. The
SET icon will now be off.
6. Use up and down buttons to select another Option, or
press the FAN button to exit Configuration mode.
OPTION 19 -- NUMBER OF WIRES -- This selection in-
forms the thermostat of the heat, cool, and fan capabilities of
the installed equipment. Select number 2, 3, or 4 or morn. The
default is 4 or morn.
For equipment with both heat and cool capability and fan
selection, choose 4.
For equipment with only heat or cool, but with fan selec-
tion, choose 3.
For equipment with only heat or cool and no fan selection,
choose 2. Refer to Fig. 2-15 for Thermostat Wiring diagrams.
To select:
1. Enter Configuration mode.
2. Use up and down buttons to display Option 19. The
SET icon should be off.
3. Press MODE button once. The SET icon will come on.
The Option 19 setting is now displayed.
4. Use up and down buttons to move between available
Option 19 choices of 2 through 4. The facto U defzmlt
is 4 or more.
5. Press MODE button again to return to Option 19. The
SET icon will now be off.
6. Use up and down buttons to select another Option, or
press the FAN button to exit Configuration mode.
OPTION
21 -- KEYPAD
LOCKOUT
--In
OF (off) mode,
the keypad is not locked out and has full functionality.
In ON
mode, the keypad is locked out and the lock icon on the display
is illuminated.
To unlock
the keypad,
the user must press
and hold the up and down buttons simultaneously
for approxi-
mately 5 seconds. The lock icon is turned off and the keypad
will remain
unlocked
as long as the user presses a button at
least every 30 seconds or for the entire duration of the installer
test mode. If keypad
remains
idle for 30 seconds
and the
installer test mode is not in operation,
the keypad will return to
the locked state and the lock icon will illuminate on the screen.
To select:
1. Enter Configuration
mode.
2. Use up and down buttons
to display
Option
21. The
SET icon should be off.
3. Press the MODE
button once. The SET icon will come
on. The Option 21 setting is now displayed.
4. Use up and down buttons
to move between
available
Option 21 choices
of ON or OE The factory default is
OE
5. Press the MODE
button
again to return to Option
21.
The SET icon will now be off.
6. Use up and down buttons
to select another
Option,
or
press FAN button to exit Configuration
mode.
Installer Test Mode
--
Installer test will be initiated by
pressing
the fan button
for
20 seconds
(15 seconds
will
enter installer setup).
InS will appear
on the screen and the
SERVICE
icon will be illuminated.
1. [n [nstaller
Test mode, pressing the MODE
button will
change
the system
operating
mode. Note that AUTO
mode
is not available
in installer
test.
Heating
and
cooling modes must be tested independently.
2. If the mode is set to HEAT. the first stage of heating
will be energized
for three minutes
(180 seconds),
and
then the first and
second
stages
(if a second
stage
exists)
will turn on for an additional
three
minutes.
Installer
test will always
attempt
to run a second
stage
output whether
it is attached
or not, providing
a mini-
mum of 6 minutes
of first stage operation.
At the end
of the 6-minute
period, the MODE
will return to OFE
3. Pressing
the FAN button
while the heating
or cooling
equipment
is not running
will turn on the FAN relay
and display the FAN icon.
4. If the mode is set to COOL,
the first stage of cooling
turns on for three minutes,
then first and second
stages
(ifa second stage exists) will turn on for three minutes.
5. [fthe mode is set to EHEAT. auxiliary
heat turns on for
three minutes,
then the mode returns to OFF.
Terminating Installer Test
-- After 15 minutes of in-
activity (no button pressed by the installer), thermostat will
automatically revert to normal operation. Pressing RESET
FILTER at any time during installer test will terminate installer
test and return the thermostat to nomml operation.
Step 5 -- Check Thermostat
Operation
FAN OPERATION
1. Press FAN button to start continuous
fan operation.
The FAN icon turns on.
2. Press
FAN button
again
to stop
fan operation.
The
FAN icon turns off.
NOTE:
Some fan coils have 90-second
fan off delay, so fan
may not stop immediately.
See Table 2 for a quick reference of thermostat output.
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