Thermal Solutions Boiler Control - Thermal Solutions EVS SERIES Installation, Operating And Service Instructions

modulation rate. For example, the lead boiler can be
configured to start a lag boiler after operating above
90% modulation rate for longer than an adjustable
time. The boilers are modulated in "unison"
(parallel) modulation rate to ensure even heat
distribution.
FRONT PANEL DISPLAY
B. Thermal Solutions Boiler Control
When wiring to the Thermal Solutions Boiler Control (TSBC™) terminals, see the terminal layout drawing on the following
page or the terminal jacket label, located on the inside surface of the boiler jacket upper front panel. The TSBC™ terminals
are removable for easier field wiring connection.
(TSBC ) Wiring
TM TM
77
12. Modbus Communication Interface
A factory configured RS485 Modbus interface is
available for Energy Management System (EMS) or
SCADA system monitoring and control.