a specific amount of time, press 
or 
until the tempera- ture you want is displayed. The display will indicate HOLD, and the number of hours remaining in the hold period will be indicated with the word HRS. To adjust the length of time for the override, press TIME FWD or TIME BACK . HOLD TILL will be displayed as well as the HOLD period expiration time. Press TIME FWD or TIME BACK buttons until you reach the time you would like it to resume the program. The TIME FWD or TIME BACK buttons adjust the time in 15 minute increments. This programmed hold time has a 19 hour maximum and 15 minute minimum. Beyond 19 hours you may wish to use the vacation hold
feature (page 36). If you need to, you can adjust the temperature up or down.
Indefinite Program Hold.
If you want to operate the thermo- stat to keep a set temperature without a program running, press
PROGRAM HOLD . The 
or 
buttons can be use to raise or
lower the temperature. The thermostat will hold the set temperature until you return to the program by pressing PROGRAM
RUN .
Thermostat Startup After Total Power Loss.
On installation, or when power is restored after a total power loss to the thermostat, your thermostat will automatically maintain a heating
35
temperature of 62°F (16°C) and a cooling temperature of 85°F (29°C). A total loss of power will occur when you lose 24 VAC power to the thermostat, and you have no battery backup. If this happens, the thermostat display will go blank in about one minute after power loss.
When power is restored, the thermostat will automatically return to the temperatures listed above. If this happens, set the clock and day of the week (use steps 1 through 6 from “Entering Your Program”, page 26), then select HEAT, COOL or AUTO using the SYSTEM . button, and press PROGRAM RUN to resume operation with your previously set program.
Features
