AERCO AM Series Boiler Cascade Sequencer Controller - Manual (Page 12)

AM Series Cascade Sequencer
INSTALLATION AND OPERATION MANUAL
1.3.2 Manager Heater Prep - S4 Switch on Communications Board
The S4 switch on the communications board must be set to ON as described below.
Setting Manager Heater Communications Board S4 Switch to ON
1. Locate the communications board at top of unit per previous wiring instructions.
2. Locate S4 switch at front edge of communications board per Figure 1-13.
3. Set S4 switch to ON (LEFT as you are facing the unit) per Figure 1-13.
Figure 1-13: Setting Managing Heater Communications Board S4 Switch
NOTE
Wiring is not shown for image clarity.
S4
Switch
Page 12 of 26 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0101_0A
PRI - 11/25/14 Ph.: 800-526-0288 GF-146-CS