T.M. • Rev. 9-91 • ©Honeywell Inc. 1991 • Printed in U.S.A. • Form Number 63-2287—1
ST7700
Keyboard and Display Module
Boiler Control System 7700
CONTENTS
Specifications ................................................. 2
Ordering Information ..................................... 2
Installation ..................................................... 3
Checkout ......................................................... 8
The Honeywell BCS 7700 is a microprocessor
based integrated control system for gas, oil, or
combination fuel single burner applications. The
BCS 7700 consists of a Chassis Module, Pro-
gram Module, Keyboard and Display Module,
Flame Amplifier, Solid State Sensors (Fuel Oil
and Water Temperature, Steam Pressure, Gas
Pressure, and Oil Pressure) and a Firing Rate
Motor. The BCS 7700 provides levels of safety,
functional capability and features beyond the
capacity of conventional controls. Functions of
the BCS 7700 include automatic burner sequenc-
ing, flame supervision, system status indication
and system diagnostics.
The Keyboard and Display Module is the pri-
mary user interface to the BCS 7700. The Key-
board and Display Module is used to configure
the system modules, adjust system operating pa-
rameters, and monitor system status.
■
2 row x 40 character Liquid Crystal Display.
■
3 Status LEDs.
■
Manual Firing Rate Control.
■
Alarm Silencing Switch.
