Plan Your Installation - Robertshaw Smart Sense Series Installation Manual

Plan Your Installation

Clock Battery
In addition to the standard thermostat wiring, the SMART 2000 has:
• Two groups of switches (DIP switches)
• ModBus communication terminals (leave OFF if communication errors occur)
• Two terminals for using remote sensors and contacts
• Battery for program clock back-up (lithium battery CR1220)
+
Switches 1 - 8
ON DIP
1 2 3 4 5 6 7 8
Figure 3
9
Switches for ModBus
End-Of-Line Resistor