Application

Overview
Hardware Inputs
4
Siemens Industry, Inc. Application Note, App 2940 140-1317
Restricted 2015-11-04
Overview
Application 2940 is designed for use with a constant volume or two position fume hood
in a manifold fume hood exhaust system. In this application, two position fume hoods
have an individual exhaust damper connected to a central fan. The application
modulates the exhaust damper to maintain a high or low flow set point based on inputs
from the ODP (Operators Display Panel), digital Input, an exhaust air flow sensor and
the controller setpoints.
Application 2940 Control Diagram.