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3100_6_7.pdf, Additional operation features, Troubleshooting – Braeburn 3100 User Manual

Page 4: Symptom potential solution

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6

NOTE:

The installer can reset the thermostat and bypass the compressor protection

features by pressing the RESET button. This will erase all user program 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. The user will have to

re-program all of the erased settings.

5.5

Compressor Protection

5.6

Resetting Thermostat

5.7

LED Status Indicator

This thermostat includes an automatic compressor protection feature to avoid potential

damage to the system from short cycling. This thermostat automatically provides a 5-minute

delay after turning off the cooling output to protect the compressor.

The Reset feature allows the user to completely reset the thermostat. To erase all entered

program 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.

The LED status indicator located on the front of your thermostat above the display will notify

you of key system information.
AUX (Green): This will turn on when the auxiliary stage of heating or cooling is active.

Thermostat does not
turn on heating or
cooling system.

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 within a minute.
Compressor protection features may be in effect due to

compressor short cycle conditions. See Compressor Protection

section for full explanation of this feature.

Check thermostat wiring to make sure that the heating and

cooling stages are connected to the correct terminals on the

wiring terminal block. See Installation and Wiring Diagram

sections of this manual.

5

ADDITIONAL

OPERATION FEATURES

cont.

5

ADDITIONAL

OPERATION FEATURES

cont.

SYMPTOM

POTENTIAL SOLUTION

TROUBLESHOOTING

6

OFF is shown in
thermostat display
and heating or
cooling system will
not start.

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 within several seconds.

Thermostat turns
heating or cooling
system on too often
or not often enough.

Increase or decrease first stage temperature differential setting

as appropriate to provide the desired performance level. See

Setting Temperature Differential and Residual Cooling Fan

Feature section of this manual.

Thermostat turns on
second (auxiliary)
stage of heating or
cooling too quickly or
not quickly enough.

Increase or decrease second (auxiliary) stage temperature

differential setting as appropriate to provide the desired

performance level. See Setting Temperature Differential and

Residual Cooling Fan Feature section of this manual.

5.3

Recirculating Fan Mode

(see section 4.4)

5.4

Keypad Lockout

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 Recirculating Fan Mode can be selected by moving the fan switch to the recirculate

position

®

. If no call for heating or cooling occurs within the fan off cycle set in section

4.4, the fan will run for 12 minutes. The highest setting, 120 minutes (factory default), will

run the fan least often–10% minimum run time. The lowest setting, 40 minutes, will run the

fan most often–30% minimum run time. During any call for heating or cooling, fan control

operates in the AUTO mode. This feature is available in the HEAT, OFF, or COOL mode.

To prevent accidental or undesired adjustment of the

thermostat set point, the Keypad Lockout feature

disables the operation of the temperature setting keys,

but not the backlight key. In order to enable the

keypad lock, press and hold either the or button

together with the backlight button for 5 seconds. The

LOCK icon in the display will flash once per second,

then appear continuously in the display. The keypad is now locked.
To unlock the keypad, press and hold either the or button together with the backlight key

for 1 second. The LOCK icon will disappear from the display, and the keypad is now unlocked.

Thermostat turns on
heating instead of
cooling or cooling
instead of heating.