Press the key briefly once. The SV display digit will start flashing.
Press the button once briefly. The last digit on the SV display will flash. Use the Left Arrow (<) button to navigate between digits. Press Up (▲) or Down (▼) to change the numbers. fourtech temperature controller manual
Connect the two identical colored wires to terminals 8 and 9, and the unique colored wire to terminal 7. 3. Front Panel Interface and Basic Operations Press the key briefly once