Warning
Turn off power to the heating or cooling
equipment before installation.
Attention
For installation by experienced service
technicians only.
Follow applicable codes.
This thermostat is compatible with:
• Singlestageheat/coolconventionalandheatpumpsystems
• Conventionalsystemsupto2heat/1cool(BT21NPonly)
•
Singlecompressorheatpumpsystemswithanauxiliaryheatstage(BT21NPonly)
• 250–750millivoltheatonlysystems
Electrical and control specifications:
•ElectricalRating:24VoltAC
•1ampmaximumloadperterminal
•ACPower:18–30VoltsAC
•DCPower:3.0VoltDC(2“AA”AlkalineBatteriesIncluded)
•ControlRange:45°–90°F(7°–32°C)
•TemperatureAccuracy:+/-1°F(+/-.5°C)
Terminations
•BT11NP–Rc,Rh,O,B,Y,W,G,C
•BT21NP–R,O,B,Y1,E/W1,G,W2,C
1
Specifications
BTNP-100-03
1
Specifications
2
Installation
3
Setting User Options
4
Operating Your Thermostat
5
Additional Operation Features
6
Thermostat Maintenance
This thermostat requires 24 Volt AC Power or two (2) properly installed
“AA” Alkaline batteries for proper operation. When connecting 24 Volt
AC Power the batteries may be installed as a backup.
For use only as described in this manual. Any other use will
void warranty.
Read all instructions before proceeding.
Non-Programmable Thermostats
BT11NP
Single Stage Heat Cool
ConventionalandHeatPump
BT21NP
Up to 2 Heat / 1 Cool
ConvencionalandHeatPump
Model number
is located on
thermostat
sub-base.