Computrols offers the best support and documentation in the business!

Each product has its own set of supporting documents for an easy and quick reference guide to troubleshooting or installing Computrols products and systems. View online manuals, get the latest downloads and how-to-videos here. For any questions or concerns, please contact us at 504.529.1413.

CBAS Software Support

Manuals, CBAS Drivers and Servers

Computrols CBAS 20 Manual (18 MB)
User manual for CBAS (Computrols Building Automation System) Software.

Computrols Automation Server.pdf (456 kb)
Building automation systems for large facilities require high-reliability, redundancy, and must be easy to service both quickly and accurately. Computrols Automation Servers deliver.

CBAS Datasheet.pdf (372 kb)
CBAS, the simplest building automation system software to install, program, maintain, and operate. CBAS software is capable of seamlessly integrating with various manufacturers’ field controllers.

CBAS Web.pdf (329 kb)
CBAS Web is building automation via the Internet. This is Computrols’ premier web-enabled building automation product.

Computrols CBAS Web Manual.pdf (2.3 MB)
Official user manual for CBAS Web. Also features the CBAS-Mobile user manual.

CBAS Hot-Keys.pdf (183 kb)
Hot Keys for CBAS Graphics

CBAS Network Architecture.pdf (224 kb)

CBAS Sequencer.pdf (768 kb)
A sequencer takes several binary points and combines them into a single continuous analog output. This feature can be found on the Point Program Screen of a Software Analog Output Setpoint in CBAS.

CBAS Email Alarm Editor.pdf (560 kb)
Included to accommodate CBAS systems that have high-speed Internet service instead of dialup service, you can now send an email rather than just a page. The email message that is sent includes the name of the point and the status of that point. Read this document to see how.

CBAS and Veris Hawkeye.pdf (67 kb)
Many building management companies are interested in monitoring energy usage, either for tenant spaces or for the entire building. Monitoring can be included in their CBAS system through the use of Veris Hawkeye meters.

Modbus Manual 4-16-15.pdf (464 kb)
With the CBAS Modbus RTU interface, you can communicate (monitor and command) with any manufacturer’s equipment.

BACnet Programming in CBAS.pdf (38 kb)
Learn how to program third-party BACnet controllers in CBAS.

Advisories and Changelogs


CBAS 20.x.x Changelog 10.04.2021
Changelog for CBAS (Windows), Major Version 20.x.x.

CBAS 19.x.x Changelog.pdf (53 kb)
Changelog for CBAS (Windows), Major Version 19.x.x.


CBAS Web Advisory–2019-5-9.pdf (470 kb)
Security Advisory for CBAS Web on May 9, 2019.

CBAS-Web-20.x.x-Changelog 12.15.2021.pdf (41 kb)
Changelog for CBAS Web, Major Version 20.x.x.

CBAS-Web-19.x.x-Changelog.pdf (51 kb)
Changelog for CBAS Web, Major Version 19.x.x.

CBAS-Web-18.x.x-Changelog.pdf (156 kb)
Changelog for CBAS Web, Major Version 18.x.x.

CBAS-Web-15.x.x-Changelog.pdf (1 MB)
Changelog for CBAS Web, Major Version 15.x.x.

CBAS-Web-14.x.x-Changelog.pdf (605 kb)
Changelog for CBAS Web, Major Version 14.x.x.

CBAS Graphics

Free Visio Graphics Library
A basic Microsoft Visio library of HVAC stencils for CBAS application as well as small animations.

HVAC Controller Support


LX Controllers

LX Datasheet Download 2021.pdf (1 MB)
The 64-LX provides the best solution for the largest air handlers and other equipment requiring up to 64 points.

LX Comparison Chart.pdf (1.1 MB)
Download a comparison of the features of our X-Line controllers to our newer LX-Line.

VAV Controllers

Computrols SI-S3 Stat Interface Board.pdf (115 kb)

VAV-B-AP.pdf (364 kb)

VAV-B-AP BACnet.pdf (700 kb)

VAV-B-P.pdf (306 kb)

VAV-B-P BACnet.pdf (1.1 MB)

VAV-B-X.pdf (267 kb)

VAV-B-X BACnet.pdf (1.0 MB)

VAV-B Programming Manual.pdf (1.6 MB)

Unitary Controllers

UNI-B-AP.pdf (244 kb)

UNI-B-P.pdf (216 kb)

UNI-B-X.pdf (174 kb)

Manuals & Support Documents

Computrols CBAS Manual (8.2 MB)
User manual for CBAS (Computrols Building Automation System) Software.

Forwarding a Router User Manual (451 kb)

4-20mA Device Wiring Diagram (247 kb)

MN-S3 Stat to X-line or LX Controllers (2.6 MB)

VAV-B Manual 2020 (1.5 MB)

VAV-B Support Package 2021 (ZIP, 10 MB)

Access Control Support

Manuals and Support Documents

Computrols Access Control Manual.pdf (1.8 MB)


AC-3 Access Controller.pdf (490 kb)
Computrols’ AC-3 Access Controller

AC-5 Controller Datasheet.pdf (293 kb)
Computrols’ AC-5 Access Controller

Relay Accessories.pdf (90 kb)
Accessories for Idec relay.

Fire Alarm Support

Manuals and Support Documents

CSimon Fire System.pdf (393 kb)
The CSimon Fire System provides integrated fire safety solutions for most any building and application.

Computrols CSimon Manual.pdf (3.7 MB)
User manual for Computrols’ CSimon Fire Protection System.

10 Story Retrofit.pdf (422 kb)
A typical retrofit installation with Computrols equipment including all Automation and fire controls.

15 Story Building-Topology.pdf (457 kb)
An example of a CSimon Fire Panel installation for a 15 Story building.

Campus Topology.pdf (401 kb)
An example of a CSimon Fire Panel installation in a multi-building scenario.