Braeburn 3100 User manual

3100
OWNERS MANUAL
Premier Series
Non-Programmable
2 Heat / 2 Cool & Heat / Cool
Digital Thermostat
Compatible with low voltage multi-stage
heat / cool systems with up to two stages of
heating and two stages of cooling.
READ ALL INSTRUCTIONS BEFORE PROCEEDING
© 2004 Braeburn Systems LLC All Rights Reserved. Pub. No. 3100-100-002
Store this
booklet for
future reference
WARRANTY
YEAR
LIMITED
CONTENTS
WARNING!
Important Safety Information
FEATURES
SPECIFICATIONS
INSTALLATION
Replacing Existing Thermostat
Installing Your New Thermostat
TESTING YOUR NEW THERMOSTAT
PROGRAMMING
Default Thermostat Settings
Setting Temperature Differential and Residual
Cooling Fan Feature
Setting First Stage Differential
Setting Second Stage Differential
Setting Residual Cooling Fan Feature
ADDITIONAL OPERATION FEATURES
Review Set Temperature
Changing Set Temperature
Compressor Protection
High Temperature Safety Switch
Changing Fahrenheit (˚F) to Celsius (˚C)
Resetting Thermostat
LED Status Indicator
TROUBLESHOOTING
WIRING DIAGRAMS
1
2
3
4
5
6
7
8
5.1
3.1
3.2
5.2
6.1
6.2
6.3
6.4
6.5
6.6
6.7
5.2.1
5.2.2
5.2.3
• Always turn off power to the air conditioning or heating system prior to installing,
removing, cleaning or servicing thermostat.
• Read this manual thoroughly prior to installing, programming or operating this
thermostat.
• This thermostat is designed for use with a 24 Volt-AC low voltage multi-stage
heat / cool system.
• Do not use this thermostat on systems with voltages higher than 30 Volt-AC.
• This thermostat requires 24 Volt AC power for normal operation and control of the
heating or cooling system.
• In the event of an AC power outage, the first and second stage temperature
differentials, residual cooling fan feature and the setpoint will return to their
default system values. The user can change the default settings once power is
restored.
• Wiring must conform to all building codes and ordinances as required by local and
national code authorities having jurisdiction.
• Do not short (or jumper) across terminals on the gas valve or at the heating or
cooling system control board to test the thermostat installation. This could
damage the thermostat and void the warranty.
• Do not select COOL mode of operation if the outside temperature is below 50( F
(10( C). This could possibly damage the controlled cooling system and may cause
personal injury.
• This thermostat should only be used as described in this manual. Any other use is
not recommended and will void the warranty.
1

FEATURES
SPECIFICATIONS
1
2
2
• Contemporary styling with large display
• AC Powered
• Relay Outputs for Maximum Compatibility
• LCD Display Backlight
• Compressor Short Cycle Protection
• Adjustable 1st and 2nd Stage Temperature Differentials
• Residual Cooling Fan Delay
• LED Status Indicator
• Quick Wiring Terminal Block
• High Temperature Safety Switch
• Electrical Rating: 24 Volt AC (18-30 Volt AC)
2 amp maximum load per terminal
4 amp total maximum load (all terminals)
• Control Range: 45˚ - 90˚ F (7˚ - 32˚ C)
• Accuracy: +/- 1˚ F (+/- .5˚ C)
• AC Power: 18-30 Volt AC
• Compatibility: Multi-stage heat / cool systems
with up to two stages of heating and two stages
of cooling.
• Terminations: R, Y1, Y2, W1, W2, G, O, B, C
INSTALLATION
3
3.1 Replacing Existing Thermostat
1. Always turn off power to the air conditioning or heating system prior to removing existing
thermostat.
2. Remove the cover of your old thermostat and locate the wire terminals. Do not remove
wires from terminals yet.
3. Using small pieces of masking tape label wires prior to removal from terminals. Use the
chart below to determine the new terminal designations for your new thermostat.
4. After labeling and removing all wires from terminals, unscrew the existing thermostat
mounting base from wall. Make sure to secure wires to prevent them from slipping
back into the hole in the wall.
NOTE: This thermostat is for use on low voltage 24 Volt AC multi-stage heat pump
systems with up to two stages of heating and two stages of cooling and requires a
transformer common wire for proper installation. This thermostat is not for use on
single stage heating or cooling systems.
Old Terminal from New Terminal for
Existing Thermostat New Thermostat Terminal Description
R, V-VR or VR-R R 24 VAC
Y, Y1 or M Y1 1st Stage Cooling
Y2 Y2 2nd Stage Cooling
W1 W1 1st Stage Heating
W2 or W-U W2 2nd Stage Heating
G or F G Fan Control
O or R O Reversing Valve (Cooling)
B B Reversing Valve (Heating)
C, X or B C Transformer Common
3
INSTALLATION
3
3.1 Replacing Existing Thermostat cont.
3.2 Installing Your New Thermostat
NOTE: If you are installing this thermostat in a new installation be sure to locate
the thermostat 4 to 5 feet above the floor in accordance with applicable building
codes. Make sure to install the thermostat in a location that provides good airflow
characteristics and avoid areas behind doors, near corners, air vents, direct sunlight
or near any heat generating device. Installation in any of these areas could impact
thermostat performance.
1. Always turn off power to the air conditioning or heating system prior to installing your new
thermostat.
2. Place system switch on front of thermostat to OFF position.
3. Place fan control switch on front of thermostat to AUTO position.
4. Remove front of thermostat body from rear body by pressing release latch on bottom of
front body.
5. Place the thermostat rear body (mounting plate) against wall in the desired thermostat
location.
6. Guide thermostat wires through center hole in rear body. Continue to hold rear body
against wall.
7. Mark placement of mounting holes as appropriate and drill using a 3/16" drill bit.
8. Gently tap supplied plastic anchors into the holes in the wall.
9. Place the thermostat rear body (mounting plate) against the wall in the desired location
making sure the mounting holes are aligned as appropriate and the thermostat wires
are properly inserting through opening in middle of rear body.
cont.
Illustration of round and rectangular
mechanical thermostat exploded views.

4
INSTALLATION
3
10. Fasten the rear body (mounting plate) to wall using supplied screws.
11. Connect wires to quick wiring terminal block as appropriate using the new terminal
designations. Refer to Wiring Diagram section of this manual if required for assistance.
12. Make sure all of the wire connections are secure and are not touching any other
terminal to prevent electrical shorts and potential damage to the thermostat.
13. Turn the front thermostat body over exposing the rear view of the circuit board.
14. Locate the internal fan option switch, HG (Gas) / HE (Elec) on the circuit board. This
switch controls the heating system fan delay. Select gas for gas or oil fired systems.
This will allow the furnace to run for a few seconds before intiating the fan. Select
electric for systems with electric furnace elements that require the fan to come on
immediately.
15. Using your fingers, gently flip the switch towards the HG (gas) or H E (Elec) selection
which indicates the low voltage heating system the thermostat will control.
16. Attach front body of thermostat to rear body of thermostat being careful to align the
terminal pins on the front body with the terminal block on the rear body.
17. Restore system power so you can test installation.
3.2 Installing Your New Thermostat cont.
TESTING YOUR
NEW THERMOSTAT
4
NOTE: Test your thermostat prior to programming any user settings. Pressing the
RESET button will erase any user entries previously programmed. This will erase all
user settings and return them to their default values.
WARNING!
Read BEFORE Testing
1. Place the system switch in the HEAT position.
2. Press the button on the keypad until the setpoint temperature setting is a minimum of 3 degrees
higher than the current room temperature. The heating system should start within several
seconds. The fan may not turn on immediately due to the heating system built-in fan delay.
3. Place the system switch in the OFF position. The heating system should stop within several
seconds.
4. Wait 5 minutes for the automatic compressor short cycle protection period to expire, or press the
RESET button to bypass this feature for initial testing purposes. Pressing the RESET button will
erase any user entries previously programmed.
5. Place the system switch in the COOL position.
6. Press the button on the keypad until the setpoint temperature is a minimum of 3 degrees lower
than the current room temperature.
7. The cooling system should start within several seconds. Place the system switch in the OFF
position. The cooling system should stop within 90 seconds (dependent on the setting of the
Residual Cooling Fan Feature).
8. Place the fan switch in the ON position. The system blower should start.
9. Place the fan switch in the AUTO position. The system blower should stop.
• Do not short (or jumper) across terminals on the gas valve or at the heating or cooling
system control board to test the thermostat installation. This could damage the
thermostat and void the warranty.
• Do not select COOL mode of operation if the outside temperature is below 50˚ F (10˚ C).
This could possibly damage the controlled cooling system & may cause personal injury.
• 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 heating or cooling output to
protect the compressor.
cont.
5
PROGRAMMING
USER SETTINGS
5
5.1 Default Thermostat Settings
5.2 Setting Temperature Differential and Residual
Cooling Fan Feature
Setting First Stage Differential
NOTE: The first and second stage differential settings are the same for both the
heating and cooling systems.
NOTE: If you do not desire to change the second stage differential "SET D2" setting
you can wait 10 seconds and the thermostat will automatically return to the normal
operating mode. Otherwise, you can press the and buttons at the same time twice to
skip the second stage differential setting and proceed to the residual cooling fan feature
setting - refer to step 6 below.
The default settings for the first and second stage differentials and residual cooling fan delay
settings are compatible with most systems and applications. This is normally set at time of
installation and usually does not require any modification under normal operating conditions.
If you feel that the first or second stage of your system is turning on too often, or you wish to
change the fan delay settings, simply follow the instructions below.
5.2.1
Function Status After Reset
Operation Mode Normal Operating Mode
Room Temperature 70˚ F (21.0˚ C), to be renewed within
5 seconds
Setpoint Temperature According to system switch:
62˚ F (17.0˚ C) for Heat and Off
85˚ F (29.0˚ C) for Cool
Temperature Scale ˚F or ˚C dependent on switch setting
First Stage Differential 1˚ F (0.5˚ C)
Second Stage Differential 2˚ F (1.0˚ C)
Residual Cooling 60 Seconds
Short Cycle Protection Timer Reset
Output Relays Off
2. Press the or buttons to set the first stage
differential to your desired setting of 1˚, 2˚, or 3˚ F (0.5˚, 1.0˚, or 1.5˚ C).
The default setting is 1˚ F (0.5˚ C). The room temperature must change 1˚ F (0.5˚ C) from the
setpoint temperature before the thermostat will initiate the system in heating or cooling.
1. In normal operating mode, press and hold the
and buttons at the same time for 4 seconds.
LCD display will show "SET D1 x˚", where "x"
equals the ˚F / ˚C differential setting. This is the
current first stage differential setting.
Setting Second Stage Differential
5.2.2
The default setting is 2˚ F (1.0˚ C). This means that the
room temperature must change 2˚ F (1.0˚ C) in addition
to the first stage differential setting before the
thermostat will initiate the second stage of the system
in heating or cooling.
3. Press the and buttons at the same time again
and the LCD display will show "SET D2 x˚", where "x"
equals the ˚F / ˚C differential setting. This is the current
4. Press the or buttons to set the second stage differential to your desired setting of 2˚, 3˚, 4˚,
5˚, or 6˚ F (1.0˚, 1.5˚, 2.0˚, 2.5˚, or 3.0˚ C).

6.2 Changing Set Temperature
1. Press and hold or button for 3 seconds. The
entire display will flash once and the SET TEMP
indicator will be flashing. Release the or
button and press the or button again as desired
to adjust the set temperature.
2. The display will return to normal operating mode
after 10 seconds or you can press the and
buttons at the same time to return to normal
operation mode.
3. The TEMP indicator will be showing in the display
indicating that the current temperature shown in the
display is the room temperature.
6
6.1 Review Set Temperature
1. Press and hold the or buttons. The current
setpoint temperature will be displayed in the place
of the current room temperature, and the indicator
SET TEMP will be displayed.
2. The display will return to normal operating mode
when the or button is released. Continuing
to hold the or button for 3 seconds or longer
will allow the user to change the current setpoint
temperature (See Changing Set Temperature).
ADDITIONAL
OPERATION FEATURES
6
PROGRAMMING
USER SETTINGS cont.
5
NOTE: To erase all user program settings, gently press RESET button using a paper
clip or a small pencil tip. This will return all Thermostat settings to their default values.
Remember, this will erase all user program settings entered by the user.
The default setting is 60 seconds. During the COOL mode of normal operation the fan will stay
on for 60 seconds after the cooling system has satisfied the setpoint temperature and has turned
off the compressor. This allows the system to provide higher efficiency during cooling operation.
Setting Residual Cooling Fan Feature
5 .2.3
5. Press the and buttons at the same time again and the LCD display will show "SET
FAN xx", where "xx" equals the fan delay time in seconds during the cooling mode of
operation.
6. Press the or buttons to set the residual cooling fan delay to
your desired setting of 0 (disabled), 30, 60, or 90 seconds.
7. Press the and buttons at the same time again to return to normal operating mode or
wait 5 seconds and the thermostat will automatically return to normal operating mode.
7
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.
NOTE: Resetting the thermostat by pressing the RESET button will erase all entered
program settings. This will return all Thermostat settings to their default values. Changing
˚F / ˚C temperature scale default should be done prior to installation and before any
programming to avoid loss during reset step.
6.3 Compressor Protection
6.5 Changing Fahrenheit (°F) to Celsius (°C)
6.4 High Temperature Safety Switch
6.6 Resetting Thermostat
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 heating or cooling output to protect the compressor.
While the thermostat is in the HEAT mode of operation (selector switch in the HEAT position),
the thermostat will mechanically turn-off if the room temperature raises higher than 99˚F
(37˚ C). There is also a software feature that will automatically turn-off the thermostat in
HEAT mode if the temperature raises higher than 93˚ F (34˚ C).
WARNING!
Read BEFORE proceeding
Press RESET button using a paper clip or a small pencil tip. This will reset the
thermostat and return all user program settings to their default values. Verify your
thermostat is controlling your system, see Testing Your New Thermostat. If this does not
return the system to normal temperature control, call a professional service technician
immediately to verify proper system operation.
1. Release the front thermostat body from the rear thermostat body by pressing the release
latch on the bottom of the thermostat.
2. Gently separate the two thermostat halves and turn the front thermostat body over exposing
the rear view of the circuit board.
3. Locate the internal ˚F / ˚C switch on the circuit board.
4. Using your fingers, gently flip the switch towards the preferred temperature ˚F / ˚C scale.
5. Re-attach the front thermostat body by locating the top mounting lugs and swinging the
thermostat down until the release latch locks.
6. Press the RESET button on the front of the thermostat using a paper clip or a small pencil
tip. This will register the new temperature scale default.
The Reset feature allows the user to completely reset the thermostat and to register new
manual
˚F / ˚C temperature scale switch settings.
1. To erase all entered program settings, gently press RESET button using a paper clip or a
small pencil tip.
2. This will return all Thermostat settings to their default values and register all new manual
˚F / ˚C temperature scale switch settings.
6ADDITIONAL
OPERATION FEATURES cont.

8
6.7 LED Status Indicator
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 second stage of heating is active. The
auxiliary stage of heating is usually the least economical stage of heat.
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 minutes time.
Compressor protection features may be in effect due to
compressor short cycle conditions. See Compressor Protection
section for full explanation of this feature.
Thermostat turns on
heating instead of
cooling.
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 Diagrams
sections of this manual.
Thermostat turns on
cooling instead of
heating.
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 Diagrams
sections of this manual.
6ADDITIONAL
OPERATION FEATURES cont.
SYMPTOM POTENTIAL SOLUTION
TROUBLESHOOTING
7
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.
9
Thermostat display
is blank.
It is possible that AC power is not present at the thermostat.
Check fuse, circuit breaker and thermostat wiring as appropriate
to verify AC power is available.
If AC Power is present, call a professional service technician
immediately to verify thermostat and system performance.
SYMPTOM POTENTIAL SOLUTION
Thermostat will not
allow me to program
a setpoint
temperature higher
than 90˚ F (32˚ C).
This is above the normal thermostat temperature setting range
of 45˚ to 90˚ F (7˚ to 32˚ C).
Thermostat will not
allow me to program
a setpoint
temperature lower
than 45˚ F (7˚ C).
This is below the normal thermostat temperature setting range
of 45˚ to 90˚ F (7˚ to 32˚ C).
Fan continues to run
all the time whether
the system is on or
off.
Check that the fan control switch is in the AUTO position. This
will allow the fan to run only when the heating or cooling system
is turned on and running.
Check thermostat wiring to make sure that the fan control
wiring is connected to the correct terminals on the wiring
terminal block. See Installation and Wiring Diagrams sections of
this manual.
LO is shown in the
thermostat display
where the room
temperature is
normally displayed.
The temperature sensed by the thermostat is lower than the 45˚
F (7˚ C) lower limit of the thermostats display range. The display
will return to normal after the sensed temperature rises within
the 45˚ to 90˚ F (7˚ to 32˚ C) display range. If the temperature in
the controlled space seems to be normal, wait for the
thermostat to acclimate to the correct room temperature. If the
room seems to be colder than usual, turn on the heating system
to raise the temperature as needed for comfort within the room.
This condition could occur from the system being turned off
during a cold weather period or upon installation when the
thermostat has been stored for a long period of time in a cold
vehicle or location prior to being installed. The thermostat
should be allowed to warm up prior to installation to allow
proper heating control once installed.
HI is shown in the
thermostat display
where the room
temperature is
normally displayed.
The temperature sensed by the thermostat is higher than the
90˚ F (32˚ C) upper limit of the thermostats display range. The
display will return to normal after the sensed temperature
lowers within the 45˚ to 90˚ F (7˚ to 32˚ C) display range. Turn on
the cooling system or use other methods to lower the
temperature accordingly.
This condition could occur from the system being turned off
during an exceptionally warm period or upon installation when
the thermostat has been stored for a long period of time in a
warm vehicle or location prior to being installed. The thermostat
is equipped with a mechanical high temperature safety switch
that will turn off the thermostat should the temperature exceed
99˚ F (37˚ C).
TROUBLESHOOTING
7
cont.

10
Typical Multi-Stage 2 Heat / 1 Cool
Typical Multi-Stage 2 Heat / 1 Cool
WIRING DIAGRAMS
8
THERMOSTAT TERMINAL BLOCK
Multi-Stage 2 Heat / 1 Cool System
R
R
YorY1
W1
W2
G
C
Y1 Y2 W1 W2 G O B C
Fan continues to run
in cooling mode when
the system has
turned off.
The Residual Cooling Fan Control Feature can allow up to a 90
second fan delay after cooling system shutdown for energy
efficiency gains. The default setting is 60 seconds. This can be
changed to disable this feature or shorten the time period if
desired. See Setting Residual Cooling Fan Feature section of
this manual.
The room is too
warm or too cold.
See Review Set Temperature section of this manual to verify the
current setpoint and make any modifications that are necessary.
THERMOSTAT TERMINAL BLOCK
Multi-Stage 2 Heat / 2 Cool System
R
R
Y1
Y2
W1
W2
G
C
Y1 Y2 W1 W2 G O B C
SYMPTOM POTENTIAL SOLUTION
TROUBLESHOOTING
7cont.
Braeburn Systems LLC warrants each new Braeburn thermostat
against any defects that are due to faulty material or
workmanship for a period of two years after the original date of
purchase by a professional service technician. This warranty
and our liability does not apply to batteries, nor does it include
damage to merchandise or the thermostat resulting from accident, alteration, neglect, misuse,
improper installation or any other failure to follow Braeburn installation and operating
instructions.
Braeburn Systems LLC agrees to repair or replace at its option any Braeburn thermostat
under warranty provided it is returned postage prepaid to our warranty facility in a padded
carton within the warranty period, with proof of the original date of purchase and a brief
description of the malfunction. This limited warranty does not include the cost of removal or
re-installation.
WARRANTY
YEAR
LIMITED
This warranty gives you specific legal rights and you may also have other rights that vary from
state to state or province to province. Answers to any questions regarding our limited
warranty may be obtained by writing our corporate offices.
Braeburn Systems LLC
2215 Cornell Avenue • Montgomery, IL 60538
Technical Assistance: www.braeburnonline.com
866-268-5599
© 2004 Braeburn Systems LLC All Rights Reserved.
Warranty Facility:
Braeburn Systems LLC
Attn: Warranty Department
2215 Cornell Avenue
Montgomery, IL 60538