--- title: "OptoNews: New HVAC demo in PAC Project Demo" description: "Free, full-featured demo: test or demonstrate control with Opto 22 PACs and automation software" image: https://blog.opto22.com/hubfs/Products/PacProjectDemo_464x335.png --- - [Log in](https://www.opto22.com/logon?returnurl=%2f) - [Register](https://www.opto22.com/Special-Pages/Logon.aspx) - [Your Cart](https://www.opto22.com/Checkout/Shopping-Cart) - [Contact Us](https://www.opto22.com/support/contact-us) [![Opto 22 Logo](https://blog.opto22.com/hubfs/opto22_lightsilvergradient_800px.png "Opto 22 Logo")](https://www.opto22.com) - [Products](https://www.opto22.com/products) - [What Do You Want to Do?](https://www.opto22.com/products/what-do-you-want-to-do) - [groov RIO](https://www.opto22.com/products/groov-rio) - [groov EPIC System](https://www.opto22.com/products/groov-epic-system) - [Case Studies](https://www.opto22.com/products/groov-case-studies) - [Product Selector](https://www.opto22.com/products/product-selector) - 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Or maybe you want to demonstrate the software to someone else—say, a customer or your boss.  Here's a great **free** way to test it out: the [PAC Project Demo](http://www.opto22.com/site/downloads/dl_drilldown.aspx?aid=3172), now with an additional demo screen and a small library of artwork pieces you can use any way you want to in your own HMI project.  The PAC Project Demo includes everything you need to experiment with or demonstrate Opto 22 control and HMI software: - [PAC Control](http://www.opto22.com/site/pr_details.aspx?item=PACCONTROLBAS&qs=100510241046,,,0,2&) development software and a pre-made control strategy - [PAC Display](http://www.opto22.com/site/pr_details.aspx?item=PACDISPLAYBAS&qs=100510241047,,,0,2&) HMI software and a pre-made HMI project - [SNAP PAC Sim](http://www.opto22.com/site/downloads/dl_drilldown.aspx?aid=3690&), a software-based controller - The [PAC Project Demo Quick Start](http://www.opto22.com/site/documents/drilldown.aspx?aid=3253&lbl=1725_PAC_Project_Demo_Quick_Start.pdf&) guide, which shows you how to run the demo All the necessary files are included, so you don't need to download anything else. Everything is automatically installed and configured. You can just start the software and explore the demo screens. Demo screens include both simple and complex HMIs: - **Bottling plant**—Watch what happens at the back of the factory when 100 bottles are filled. - **Catamaran yacht**—Try out the controls, but don't sink the ship. - **SNAP PAC Learning Center**—Use with or without a hardware [Learning Center](http://www.opto22.com/site/pr_details.aspx?cid=1&item=SNAP-PACLC). - **Pump**—Engage the clutch and change gears. - **HVAC**—Set heating and cooling to get the temperature just right. Then use these artwork pieces in your own HMI project. **If you have questions** about using Opto 22 SNAP PAC controllers and PAC Project automation software in your application, give us a call. Pre-sales Engineering is free.  **Call:** 800-321-6786 (toll-free in the U.S. and Canada) or 1+951-695-3000 **Email:** [systemseng@opto22.com](mailto:systemseng@opto22.com) [![Download PAC Project Demo](https://hubspot-no-cache-na2-prod.s3.amazonaws.com/cta/default/439485/7e68a991-54b3-48a0-8d08-ec2ebf24c18f.png)](https://hubspot-cta-redirect-na2-prod.s3.amazonaws.com/cta/redirect/439485/7e68a991-54b3-48a0-8d08-ec2ebf24c18f) --- ### OptoNews April 15, 2015 - Read more in this issue: - [Visualizing water usage in a drought](https://blog.opto22.com/optoblog/optonews-water-usage-drought) - [Free lunch and plenty of tech](https://blog.opto22.com/optoblog/optonews-allied-mobile-tech-day) - [Tech tip: Just 2 wires to your dry contact switch](https://blog.opto22.com/optoblog/optonews-tech-tip-2-wires-to-switch) Topics: [Process control](https://blog.opto22.com/optoblog/topic/process-control), [optonews](https://blog.opto22.com/optoblog/topic/optonews), [PACs](https://blog.opto22.com/optoblog/topic/pacs), [OptoNews 2015-04-15](https://blog.opto22.com/optoblog/topic/optonews-2015-04-15) ### Written by [Jean Femia](https://blog.opto22.com/optoblog/author/jean-femia) Jean Femia writes about technical subjects and has focused on automation and control systems for more than 15 years. She likes learning about technology and taking corners in her Honda S2000. 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