Robertshaw Smart Sense Series - Planning Your Installation

9
Plan Your Installation
ON
1 2
ON
1 2
DIP
5 63 4 7 8
+
Clock Battery
Switches 1 - 8
Switches for ModBus
End-Of-Line Resistor
Figure 3
Inaddion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)