AERCO AM Series Boiler Cascade Sequencer Controller - Manual (Page 8)

AM Series Cascade Sequencer
INSTALLATION AND OPERATION MANUAL
1.3 Manager Heater Preparation
NOTE
Ensure that the heater being wired as the managing heater is the
one installed closest to the low loss header.
1.3.1 Manager Heater Preparation - Communications Board
To electrically prepare an AM Series heater/boiler for use as the Managing appliance for the
Cascade Sequencer, follow the instructions below.
Wiring the Manager Heater Communications Board
1. Gain access to the inside of the electrical junction box by removing the unit top cover and
the electrical junction box top cover (see Figure 1-3).
Figure 1-3: Accessing the Junction Box of the Managing Heater
2. Locate the communication board cover inside the junction box (see Figure 1-4).
Figure 1-4: Locating the Comm. Board inside the Electrical Junction Box
Communications
Board Cover
Communications
Board Cover
Junction Box
Top Cover
Unit Top Cover
Top Cover Screw
Page 8 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