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Overriding the Schedule —
The schedule can be
overridden in 3 ways, the Hold button can be pressed to lock in
the current temperature setting, the Up or Down buttons can be
pressed to change the desired temperature, or the Occupied
button can be pressed to change the unoccupied set points to
OC1. The thermostat will use new set point until the next
scheduled time period starts. The HOLD will last indefinitely,
until the Hold button is pressed again. The occupied override
can be used to force the thermostat into Occupied mode.
Display Outdoor-Air or Leaving-Air Tempera-
ture —
When the Up and Down buttons are pressed at the
same time, the display will show the temperature of the sensor
wired to the thermostat. The temperature is displayed for 4 sec-
onds with the letters “od” or “LA” (outdoor sensor or leaving
air sensor, respectively). The display then returns to normal. If
a sensor is not connected, the thermostat has been configured
for use with a remote room sensor, or the reading is out of
range, then “--” is displayed.
The valid temperature range for the outdoor-air sensor is
–38 to 145 F. The valid temperature range for the leaving-air
sensor is –38 to 145 F.
AUTO
HOLD
EHEAT
Fan
ON
PROGRAMMING
Mo Tu We Th
Fr Sa Su
OC1 UN1 OC2 UN2
TIME
AM PM
AUX HT
CLEAN FILTER
COOL
AUTO
Mode
OFF
HEAT
COOL
Fig. 1 — Thermostat Liquid Crystal Display