Compressor Protection; Troubleshooting; Non-Volatile Memory - Braeburn Premier Series Quick Start Manual

5
Additional Operation Features

Compressor Protection

This thermostat includes an automatic compressor protection feature to avoid
potential damage to the cooling system from short cycling. This thermostat
automatically provides a 5-minute delay after turning off the cooling system
output to protect the compressor. This protection is also present in the heat mode
of operation on single stage heat pump systems to protect the compressor.
NOTE: The installer can reset the thermostat and bypass the compressor
protection features by pressing the RESET button. This will erase all entered
programs, current time of day, day of week and other user settings and should
only be used during installation for testing purposes or to reset a thermostat
to regain normal operation. This will return all thermostat settings to their
default values.
Low Battery Detection and Replacement
This thermostat requires two (2) properly
installed "AA" Alkaline batteries to maintain
the system clock and to provide power for
the thermostat if 24 volt AC power is not
connected to the terminal block.
This thermostat is equipped with a 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 solid low battery
indicator will appear in the display for 30 days. It is recommended that the
batteries be replaced immediately to maintain system operation and / or clock
settings. If the battery continues to be low, the icon will flash every 2 seconds for
the next 30 days. After 30 days the battery indicator will start to flash every 1
second until the batteries are replaced.
Replacing the Batteries
1. Open the front thermostat 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 and verify that the low battery indicator does not
appear in the display.
Resetting the Thermostat
The Reset feature allows the user to completely reset the thermostat to register
new manual switch settings. To erase all entered programs, current time of day,
day of week and other user settings, gently press the RESET button using a paper
clip or a small pencil tip. This will return all thermostat settings to their default
values and register all new manual switch settings for proper operation.

Non-Volatile Memory

In the event of a power failure, the Non-Volatile Memory feature allows all
settings to be recovered, eliminating the need to reset temperature and
differential settings. When AC power is restored after an outage, all settings are
retrieved from memory and reinstated.
cont.
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6

Troubleshooting

Symptom: Thermostat does not turn on heating or cooling system.
Potential Solutions: Check to see if OFF is shown in display. This indicates that
the system is turned off at the thermostat. Move the system selector switch to
the HEAT or COOL position. After the compressor short cycle protection 5-minute
period expires the system should start.
Compressor protection feature may be in effect due to compressor short cycle
conditions. See section 5. Heating or cooling system may be malfunctioning.
Call a professional service technician immediately to verify system operation.
Symptom: Thermostat turns on heating instead of cooling or cooling instead
of heating.
Potential Solution: Check thermostat wiring to make sure that the heating and
cooling stages are connected to the correct terminals on the wiring terminal
block. See section 7.
Symptom: Thermostat will not follow program set points.
Potential Solutions: Check current time of day, day of week program settings.
Make sure to verify AM/PM indicator is accurately displaying desired time
settings. See section 4.
Check to see if OFF is shown in display. This indicates that the system is turned
off at the thermostat. Move the system selector switch to the HEAT or COOL
position. After the compressor short cycle protection period expires the system
should start within several seconds.
Verify your program set point time entries. The heating and cooling programs
utilize the same set point times, but have individual set point temperatures for the
MORN, DAY, EVE and NIGHT set points. See section 4.
Thermostat program has been temporarily overridden and program indicator
is flashing in the display. Press RETURN button to return the thermostat to
normal program operation or wait until next set point and the temporary override
will expire.
Thermostat program is in Extended Hold (Vacation) Mode and HOLD is showing in
display. Press HOLD or RETURN button to release permanent hold and return the
thermostat to normal program operation.
Symptom: Thermostat turns heating or cooling system on too often or not
often enough.
Potential Solution: Increase or decrease first stage temperature differential
setting as appropriate to provide the desired performance level. See section 4.
Symptom: Low battery indicator is shown in thermostat display.
Potential Solution: Replace batteries immediately to maintain proper system
operation. See section 5.
Symptom: OFF is shown in thermostat display and heating or cooling system
will not start.
Potential Solution: This indicates that the system is turned off at the thermostat.
The thermostat must be in HEAT or COOL modes of operation to control the
heating or cooling system. Move the system selector switch to the HEAT or
COOL position.
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