Braeburn 5300 3H-2C User Manual - Manual (Page 12)

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3
ADDITIONAL
OPERATION FEATURES cont.
3
ADDITIONAL
OPERATION FEATURES cont.
3.17 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 indicator will flash every 2 seconds for 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 cover and locate the battery compartment door.
2. Gently 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.
3.15 Compressor Protection and AC Power Monitor
This thermostat includes an automatic compressor protection feature to avoid potential damage to the compres-
sor system from short cycling. This thermostat automatically provides a delay (see section 4 of the Installer Guide)
after turning off the 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.
If enabled during Installer Setup (see section 4 of the Installer Guide), this thermostat also provides cold weather
compressor protection by locking out the compressor stage(s) of heating for a period of time after a power outage
greater than 60 minutes. The lockout period is one hour less than the outage time, up to a maximum of 12 hours.
During that period of time, the auxiliary heat stage will still be available to maintain the set point temperature. The
compressor lockout can be manually overridden at any time by changing the system mode to OFF momentarily,
then back to HEAT.
NOTE: This feature only applies to 2 or 3 Stage Heat Pump Systems.
During a power loss, the thermostat will display an outage warning
if enabled during Installer Setup (see section 4 of the Installer Guide).
The system clock will continue to run, and all settings will be
maintained until the outage period is over.
3.16 Temporary Override Adjustment Limits (see section 2.4.7 for settings)
The Temporary Override Adjustment Limits limit how much the
thermostat can be adjusted from the program set points when the
thermostat is used in the programmable mode. This will not allow
the user to set a temporary override in the heat or cool mode past
the limit from the program set points.
The Temporary Override Adjustment Limits can only be used in the non-programmable mode when the security
level is at level 1. This will not allow the user to temporary override in the heat or cool mode past the limit from
the program set points.