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8 69-0636—1
Setting The Timer
Lift thermostat flip-up cover, and you’ll find
the 24-hour program dial, slotted in ten-minute
increments. Adjust the timer to the current time
by carefully turning the knob clockwise .
DO NOT reverse the knob.
When time is correctly set, the Time Indica-
tor Arrow (See Fig. 3) will point to the correct
time and corresponding daytime (light) or night-
time (dark) band of the program dial.
EXAMPLE: For 11 PM, the time indicator arrow
will point directly to dark band on dial. For
11 AM, the arrow will point to light band
on dial.
Daylight Savings Time
When Daylight Savings Time starts, carefully
move the knob clockwise one hour. When
Daylight Savings Time ends, carefully move the
knob clockwise 23 hours. DO NOT
reverse the knob.
TIMER
SETTING
KNOB
TIME
INDICATOR
ARROW
M821A
PROGRAM DIAL
PROGRAM
PIN (6)
Fig. 3—Setting the timer.