Braeburn 5300 User Manual download pdf (Page 11)

ADDITIONAL

OPERATION FEATURES

cont.

3.12 Recirculating Fan Feature (see section 2.4.9)

The Recirculating Fan Mode provides more even temperature

distribution and improves indoor air quality by circulating air through

the furnace ﬁltration system more often. The thermostat is put into

the Recirculating Fan Mode by pressing the FAN button until the

CIRC icon is displayed. If no call for heating or cooling occurs within

the fan off cycle set in section 2.4.6, the fan will run for 12 minutes.

The highest setting, 120 minutes, will run the fan least often – 9% minimum running time. The lowest setting, 24

minutes (factory default), will run the fan most often – 33% minimum running time. During any call for heating or

cooling, fan control operates in the AUTO mode. The Recirculating Fan feature is available in the COOL, OFF, HEAT,

or EMER mode. The Recirculating Fan can be “locked on” in the Installer Options, so that the only fan selections

available to the user are CIRC and ON.

3.13 Programmable Independent Fan Control

Programmable Independent Fan Control allows the user to run the fan continuously during a selected time period,

such as MORN, if PROG fan mode is selected with the fan button, (section 2.2 of this manual) and the fan was set

to ON when that time period was programmed. The PROG mode is not available if the recirculating FAN LOCK was

enabled in the Installer Setup or in the non-programmable operating mode (see section 4 of the Installer Guide).

3.14 Auxiliary Heat Fossil Fuel Option

This thermostat is equipped with an auxiliary heat option which is set by the installer for either an electric or

fossil fuel (gas, oil or propane) auxiliary heat source. For heat pump units with an electric auxiliary stage, both the

ﬁrst and second stages of heating will run when a call for second stage heat is made. For heat pump units with a

fossil fuel auxiliary stage, the compressor stage will be locked out one minute after a second stage heat call, and

the second stage will only be used. The proper operation of this function is preprogrammed into this thermostat.

No user changes are necessary.

ADDITIONAL

OPERATION FEATURES

cont.

3.11 Adaptive Recovery Mode (ARM™)

In order to maximize comfort and energy efﬁciency, this thermostat is equipped with Adaptive Recovery Mode

(ARM

™

). This feature minimizes the amount of time required by the heating or cooling system to reach the new

set point after a setback period is completed, and helps assure your desired temperature is achieved near your set

program times.

This feature activates when recovering room temperature from setback programs to comfort programs, so it will

only take place when the current (heating) program set point temperature is lower than the upcoming program set

point temperature, or the current (cooling) program set point temperature is higher than the upcoming program set

point temperature. This feature can be turned off during Installer Setup (see section 4 of the Installer Guide).

During ARM

™

, room temperature is recovered gradually by turning on the heating or cooling before the end of the

setback period. In a multi-stage conﬁguration, room temperature is recovered gradually by using only the ﬁrst

stage heating or cooling until the last 20 minutes, to minimize the use of the 2nd and 3rd stage heating or cooling.

The set point temperature is changed to that of the upcoming comfort program temperature. The start time of

recovery is based on the difference between the current room temperature and the upcoming comfort program set

point temperature. The recovery to the upcoming heating set point starts 10 minutes before the upcoming set point

time for each degree of temperature change required, up to a maximum of 2 hours. The recovery to the upcoming

cooling set point starts 15 minutes before the upcoming set point time for each degree of temperature change

required, up to a maximum of 3 hours.

ARM

™

does not operate when the unit is in the temporary or extended HOLD mode, if the program is temporarily

overridden or if emergency heat is selected for multi-stage heat pumps. It also does not operate unless it was

enabled during the Installer Setup (see section 4 of the Installer Guide).

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Braeburn 5300 User Manual Page 11

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