AERCO AM Series Boiler Cascade Sequencer Controller - Manual (Page 4)

AM Series Cascade Sequencer
INSTALLATION AND OPERATION MANUAL
INTRODUCTION
The AM Series Cascade Sequencer controller is used to control a cascade arrangement of up
to eight (8) AM Series water heaters or boilers. This document provides instructions for
installation and operation of the cascade sequencer.
Please note that the cascade sequencer requires a communications board be installed in
each AM Series boiler or water heater. This board is present in every AM 500, 750, and
1000 but is an option on the AM 399 and must be installed prior to cascade sequencer
installation. For further information see the AM Series Modbus installation Guide (TID-0123).
Cascade Sequencer Controller Front Panel
The AM Series Cascade sequencer Kit is comprised of:
• AM Series Cascade Sequencer unit
• AM Series Cascade Sequencer User Manual (OMM-0101)
WARNING!
Installer:
Read the manual for the appliance(s), including this
manual, before installing. Perform steps in the order given.
User:
This manual is for use only by a qualified heating installer.
Failure to comply with these provisions can lead to a dangerous
situation and/or damage to property and equipment.
Installation and Alterations:
Only a Qualified installer must carry
out the installation and calibration of the appliance(s). Never
modify the appliance or its flue gas carrying components in any
way. This heater must be properly vented. Failure to follow these
instructions could result in personal injury or death!
Page 4 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