Orion System Lead Controller - Manual (Page 42)

Appendix A - Sample Confi gurations
Lead/Lag Controller Technical Guide 42
Lead/Lag Example - Controlling 3 Sets of Pumps
Relay Confi guration
Relay #1 is confi gured as Boiler Pump #1 and is set to Lead. Relay
#2 is confi gured as Lag. Relay #3 is confi gured as Chiller Pump #1
Lead. Relay #4 is set to Lag. Relay #5 is confi gured for Domestic
Pump #1. And Relay #6 is set to Lag. See Figure 80 for Relay 1’s
confi guration and Figure 81 for Relay 2’s confi guration.
Figure 80: Relay 1 Confi guration