User Manual

5. Quick Start
How to set parameters: When the controller is working normally, press SET for over 3 seconds to enter
parameters set up mode. PV window displays the first menu code “SV”. SV window displays the value of the
code accordingly. Press SET to change the parameter in PV window. Press UP or DOWN to specify a value
for the current parameter. After all setting completed, press POWER to save and quit. During setting, if
there is no operation in 20 seconds, the system will save setting automatically and return to normal
temperature display mode.
Tips: Holding the UP/DOWN button allows for rapid number adjustments
How it works: When the probe measured temp PV >
SV + Cd, the controller turns on refrigeration
equipment. The cooling indicator is on. If the
indicator is flickering, it means the refrigeration
equipment is under compressor delay protection
status. When the probe measured temp PV drops
and reaches SV, the controller turns off refrigeration
equipment. The cool indicator is off.
When the probe measured temp PV < SV - Hd, the
controller turns on heating equipment. The heating
indicator is on. When the probe measured temp PV
rises and reaches SV, the controller turns off heating
equipment. The heating indicator is off.
When the probe measured temp PV > SV + AH, the
beep alarm sounds.
When the probe measured temp PV < SV - AL, the
beep alarm sounds.
For example, SV=99.5°F, Cd=0.5°F , and Hd=2°F. Step by step instructions:
Power on the controller  Press SET for 3 seconds, release button when you see SV on screen  Press
UP/DOWN to specify 99.5 for SV  Press SET once to select next parameter Hd  Press UP/DOWN to
specify 2 for Hd  Press SET once to select next parameter Cd  Press UP/DOWN to specify 0.5 for Hd 
Press POWER to save and quit
 Once the detected temperature is below 97.5°F (SV - Hd), the controller turns on the heating device.
The heating device will be turned off when temp reaches 99.5°F.
 Once the detected temperature is over 100°F (SV + Cd), the controller turns on the refrigeration device.
The refrigeration device will be turned off when temp reaches 99.5°F.
NOTE: The BTC211 can accurately controls turn-on and turn-off points. However, there might be
overshooting due to wasted heat. It’s not the BTC211's fault. You can consider changing the power of your
heater to compensate for the overshooting effect.