GF-135
Esteem 399 Low NOx Boiler
Chapter 18
OMM-0089_0A
Installation, Operation & Maintenance Manual Controller Operation
Page
146
of
188
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0089_0A
MC1 06/19/14
Ph.: 800-526-0288
18.7 CASCADE MENU AND OPERATING INFORMATION
The Esteem Boiler Management System includes a Cascade function which allows multiple
boilers to operate together without the need for an external controller. One boiler
will be selected
as the Master and will be wired to accept all the low voltage control signals. The other
boilers
will be designated as Slaves and will only have a communication cable connecting them to the
other boilers in the Cascade System.
•
The Cascade function allows up to six identical boilers to operate together in a single
heating system.
•
Parallel Modulation fires as many boilers as possible to maximize system efficiency.
•
Lead Stage Automatic Rotation rotates the lead boiler to ensure even wear on each boiler
in the Cascade System. This function can be disabled by the Automatic Rotation Setting.
The cascade Menu is divided into three sections as follows:
1. Cascade Information
– Provides real time operating information of the Cascade
System. See section 18.8.
2. Cascade Settings
– Allows the installer to adjust the Cascade System settings for the
application. See section 18.8.2.
3. Cascade Autodetection
– Automatically finds and configures each boiler of the
Cascade System. See section 18.7.
