MODEL
3100
USER MANUAL
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
© 2005 Braeburn Systems LLC • Patents Pending • All Rights Reserved. Pub. No. 3100-100-006
WARNING!
Important Safety Information
• Always turn off power to the air conditioning or heating system prior to
installing, removing, cleaning or servicing thermostat.
• Read manual thoroughly prior to installing, programming or operating 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.
• 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.
SPECIFICATIONS
1
• 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
2
2.1
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
sub-base from wall. Make sure to secure wires to prevent them from slipping back
into the hole in the wall.
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
Premier Series
Non-Programmable
2 Heat / 2 Cool & Heat / Cool
Digital Thermostat
CONTENTS
SPECIFICATIONS
INSTALLATION
TESTING YOUR NEW THERMOSTAT
PROGRAMMING USER SETTINGS
ADDITIONAL OPERATION FEATURES
TROUBLESHOOTING
WIRING DIAGRAM
1
2
3
4
5
6
7
1