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Fume Hood Controller Constant Volume, 2-state (CV2)

Technical Specification Sheet

Document No. 149-947

December 10, 2011

Document No. 149-947

Page 1 of 4

Fume Hood Controller

Constant Volume, 2-state (CV2)

Figure 1. Fume Hood Controller (SMT board), Enclosure and

Operator Display Panel

The 2-state Constant Volume Fume Hood Controller

is an integral part of the APOGEE® Automation

System. The controller is a proven, stand-alone

Direct Digital Control (DDC) system for laboratory

fume hoods with two discrete air flow rate set points.

The controller maintains one of two selectable and

adjustable constant volume flow rates. An Operator

Display Panel provides the fume hood user with the

operating status of the hood, alarm horn, an

emergency purge function and even optional air flow

rate. The high or low flow setpoint is selected using a

dry contact closure and/or by toggling a push-button

on the Operator Display Panel. The fume hood

controller can use either high-speed or low-speed

electronic or pneumatic actuation with either damper

or Venturi Air Valve flow control devices.

Features

Controller

• Constant volume fume hood operation

• High and low exhaust flow set-points

• Fully integrates with the APOGEE Automation

System controllers and software

• True exhaust flow measurement used to position

the flow control device

• Modular components, easy to install and service

• Program and calibration parameters are user

defined or modified via the Laptop Terminal

• PID closed loop control for all applications

• Electrically Erasable Programmable Read Only

Memory (EEPROM) memory for setpoint and

control parametersno battery needed

• Supports damper and Venturi Air Valve air flow

control devices

Operator Display Panel

• Continuous display of hood operating parameters

using a large alpha-numeric display

• Colored hood status lights for normal (green),

marginal (yellow), and alarm (red) conditions

• Purge push-button for activation of emergency

operation mode

• Alarm horn for high and low face velocity indication

and emergency purge activation

• Easy to install and connect to the controller via a

single cable and telephone type connectors

Summary of content (4 pages)

PAGE 1
Technical Specification Sheet Document No. 149-947 December 10, 2011 Fume Hood Controller Constant Volume, 2-state (CV2) Features Controller • Constant volume fume hood operation • High and low exhaust flow set-points • Fully integrates with the APOGEE Automation System controllers and software • True exhaust flow measurement used to position the flow control device • Modular components, easy to install and service Figure 1.
PAGE 2
Applications continually monitors and updates all fume hood points including: Operating independently, or integrated with the APOGEE Automation System, the 2-state Constant Volume Fume Hood Controller may be configured for: • High/Low Alarms • Display “HI” or “LO” setpoint status • Display Exhaust Air Flow Rate • Floating Output for high-speed or low-speed electronic or pneumatic actuation of Dampers or Venturi Air Valves • Digital Output for HI/LO selection of 2-speed motor, preprogrammed VFD or 2-posi
PAGE 3
Operator Display Panel Fume Hood Controller Communication The Fume Hood Controller Operator Display Panel includes a custom designed package for visual and audible indication of fume hood operating conditions and push buttons for emergency mode operation, alarm silence and setpoint selection. The panel is mounted on the fume hood in an easy to access location and will fit over an unused hood electrical box or over pre-drilled holes.
PAGE 4
Ordering Information Description Part Number Fume Hood Controller-CV2, Replacement Board Only 546-00750A Fume Hood Controller-CV2, Board & Enclosure 546-00750AE Fume Hood Controller-CV2, Board, Enclosure & ODP 546-00750BE Operator Display Panel 537-720 Operator Display Cable 15' 537-772 Operator Display Cable 25' 537-773 Operator Display Cable 50' 537-774 GNP Fast Acting Lab Electronic Actuator GNP191.