Programmable Electronic Thermostat
(630-0640)                 Controls                   Faxback Doc. # 44980

Controls and Functions

Display Window - Shows present temperature in the OPERATE mode.  Shows
                 Days of the week and programmed temperature range in the
                 PROGRAM mode.  Displays realtime in the SET CLOCK mode.

Heat button - Used to program the desired winter temperature.  To raise
              the house temperature by 2 degree increments, press and HOLD
              the HEAT button.  To lower the house temperature in 2 degree
              steps.  TAP the Heat button.

In the OPERATE mode, a single TAP of the button will display the programm-ed temperature range for the preset day.

A/C button - Used to program your desired temperature for your warmer
             season.  To lower the temperature by 2 degrees increments,
             press and HOLD the A/C button.  To raise the temperature, TAP
             the A/C button.

Power ON - allows for the operation of all functions.

Power OFF - erases any program, turns off BOTH the furnace and the air 
            conditioner and disconnects the internal battery.  Prevents
            your heating/cooling system from operating.

Fan ON - turns the fan on.

Fan AUTO - sets the fan to turn on as needed for either heating or 
           cooling.

Mode - Holding the button in sequences through the modes.  Release when
       the desired mode is reached.

HOLD:  used to hold one set temperature indefinitely until you change it.
       See How to Override Your Program.

HOLD UNTIL:  will allow you to have one temperature held for up to a week.
             This feature is ideal for vacations.  See How to Override
             Your Program.

PROGRAM:  permits the entry of minimum and maximum temperature points, up
          to 6 per day, for 7 days.

SET CLOCK:  allows the realtime to be entered so the thermostat knows when
            to begin operation for the program entered.

Tapping the Mode button interrupts sequencing and returns to display of
present room temperature.

Fast:  In SET CLOCK mode, HOLD in to advance the clock time in 4 hour
       steps.  To step backwards by 4 hour increments.  TAP the button. 
       In PROGRAM mode used to review an entered program.  HOLD in to
       advance to the next programmed temperature range.  TAP to back up 
       to the previously set temperature points.

Slow:  In SET CLOCK mode, HOLD in to advance by 10 minutes intervals.  TAP
       to reverse clocktime by 10 minutes steps.  In PROGRAM mode, HOLD to
       advance the clocktime in 30 minutes steps.  TAP to reverse clock- 
       time by 30 minutes steps.

(LB/SM 10/30/97)

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