Braeburn 3300 - Manual (Page 8)

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6
Additional Operation Features
cont.
Status Indicators
Three status indicators can be displayed to notify you of key system information.
AUX: This will turn on when the auxiliary
stage of heating is active. The auxiliary
stage of heating is usually the least
economical stage of heat.
CHECK: Indicator will be displayed
when a malfunction occurs in a heat
pump system. When this indicator is
active, call a professional service
technician to verify system performance
and switch the system to Emergency
Heat mode if required to maintain
room temperature.
EMER (displays only on heat pump
systems): Indicator will be displayed
when Emergency Heat Mode of operation
is selected using the system selector
button. When selected, the heat pump
stage of heat is turned off and the
emergency (auxiliary) stage of heating
is used to maintain the set point
temperature.
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Humidifier Pad Monitor
The Humidifier Pad Monitor displays
a reminder for required replacement
of the humidifier pad by flashing
the
HUMID SRVC segment in the
display. See instructions on your
filter or heating/cooling unit for
recommendations for interval setting. When the selected interval has been
reached, and required service has been performed, press the
BACK button in
any normal mode to reset the timer and turn off the warning.
Compressor Protection Feature
This thermostat includes an automatic compressor protection feature to avoid
potential damage to the system from short cycling. This thermostat automati-
cally provides an adjustable (5-minute default) delay after turning off the com-
pressor. This protection is also present in the first stage heat mode of operation
on heat pump systems to protect the compressor.
NOTE: The installer can bypass the compressor protection feature by pressing
the RESET button located on the front of the thermostat. This will return all
User Settings and the set point temperature back to their default values. The
Installer Settings are not affected.
6
Additional Operation Features
cont.
Low Battery Detection and Replacement
This thermostat requires two (2)
properly installed “AA” alkaline
batteries to provide power for the
thermostat if 24 volt AC power is
not connected to the terminal block.
This thermostat is equipped with
a unique, three level low battery detection feature that constantly monitors
the batteries during normal operating mode to determine whether they have
sufficient power to provide proper operation. When this feature determines that
the battery status is low, a low battery indicator will appear in the display. After
30 days the battery indicator will start to flash, and after 60 days the battery
indicator will begin to flash faster, indicating that the batteries need to be
replaced immediately to maintain system operation and program settings.
Replacing the Batteries
1. Open the front cover and locate the battery compartment door.
2. Remove the two “AA” alkaline batteries located in the battery compartment.
3. Install two new “AA” alkaline batteries into battery compartment. Make sure
to match the positive (+) ends of the batteries with the positive (+) terminals
located in the battery compartment.
4. Close battery compartment. The low battery indicator should no longer
appear in the display.
Non-Volatile Memory
In the event of a power failure or battery removal, the Non-Volatile Memory
feature allows all settings to be recovered, eliminating the need to reset tem-
perature and various user/installer settings. When AC power is restored after
an outage or batteries are reinserted, all settings are retrieved from memory
and reinstated.
Filter Check Monitor
The Filter Check Monitor displays
a reminder for required filter
replacement or cleaning, by
flashing the
FILTER segment in the
display. See instructions on your
filter or heating/cooling unit for
recommendations for interval setting. When the selected interval has been
reached, and required cleaning or replacement has been performed, press the
BACK button in any normal mode to reset the timer and turn off the warning.
UV Light Monitor
The UV Light Monitor displays a
reminder for required replacement
of the bulb by flashing the UV
segment in the display. See
instructions provided with your UV
source for recommendations on
interval setting. When the selected interval has been reached and required
replacement has been performed, press the
BACK button in any normal mode
to reset the timer and turn off the warning.