White Rodgers 90 SERIES 1F95-391 Operating Instructions Manual page 22

normal program operation. To program
the number of days, press the
to set your temperature then
SET
press and release the
button and VACA HOLD TILL will be
displayed. The display will also show
DAYS (flashing) and the number 5. To
change the number of vacation days,
press TIME or TIME
FWD
Press or to set the
temperature you wish to maintain
while away. While still in the vacation
mode, set the time you require your
program to resume by pressing SET
once. The current time will
TIME
display along with the word HRS
(flashing). Press TIME
the time in 15 minute increments. You
may wish to select a few hours in
advance of your expected return to
allow time to reach the desired
temperature. Your thermostat is now
programmed to hold the temperature
or you selected through your vacation for
HEAT, COOL, or AUTO. After 20
seconds the display will return to time/
DAY
temperature alternation, and will
display VACA. Pressing PROGRAM
cancels this feature and begins
RUN
running your normal program.
.
BACK
Keypad Lockout.
This security feature allows you to lock
out the keypad to prevent unauthorized
tampering with the program. Two
levels of security are available, Total
Keypad Lockout or Partial Keypad
Lockout. Total Keypad Lockout
renders all buttons inoperative. Partial
to adjust
FWD
Keypad Lockout allows only the
or
temperature overrides. It also limits the
temperature to the maximum heating
and minimum cooling temperatures
used in your program. This is
to operate for temporary
20
especially useful in buildings where
unscheduled events are common.
Anyone can change the temperature,
but only between the temperatures you
set and only for four hours or the
number of hours you specify if you set
up your Hold Till timing (see
Temporary Program Override, page
18). To select or deselect this feature,
refer to the USER CONFIGURATION
section (page 11, steps 1 and 2).
Thermostat Startup Up
After Power Loss.
The user program and installation and
configuration settings are stored in
permanent memory indefinitely. After
a total power loss of 24V to the
thermostat for more than 4 hours the
clock and day settings will be lost.
When power is restored your thermo-
stat will maintain a heating tempera-
°
ture of 62 F and a cooling temperature