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• AUDIO PROMPTING — Each time you
press a button, the thermostat will beep.
• BACKLIT DISPLAY — When you press
any button on the thermostat, the display is
lit for approximately eight seconds (this
feature works only when the thermostat is
attached to the wall and 24 VAC power is
present to the thermostat).
• COMPRESSOR SHORT CYCLE PRO-
TECTION — To protect your compressor
from potential damage due to rapid cycling,
this thermostat has a built-in delay of 5
minutes between cooling cycles. The blower
will operate during a time delay, but the air
circulated will not be cooled. The following
may cause a time delay in COOL:
a) Return of power after a power outage.
b) Pressing
SYSTEM
SWITCH
to change operating
modes.
c) Pressing or to create a call
for COOL too soon after a previous call.
• SYSTEM INDICATOR LIGHTS — The red
indicator light comes on whenever the first
stage heating or cooling system is operat-
ing. The yellow indicator light comes on
when the second or third stages of heating
or cooling are operating.
• PROGRAMMABLE BLOWER CON-
TROL — You may program the fan blower
to run continuously during any given pro-
gram period, regardless of the cycling of the
heating or cooling system. During program-
ming, after entering the time and tempera-
ture for the time period, press
FAN
SWITCH
until