![igc-board-video](https://images.carriercms.com/image/upload/w_auto,h_400,c_fill,g_center,q_auto,f_auto/v1544100306/carrier/carrier-university/products/igc-board-video.jpg)
HVAC Training Resources
![carrier-nate-logo-white-bg](https://images.carriercms.com/image/upload/w_auto,c_lfill,g_center,q_auto,f_auto/v1571157834/carrier/carrier-university/logos-icons/carrier-nate-logo-white-bg.jpg)
NATE Core Study Guide
![carrier-nate-logo-white-bg](https://images.carriercms.com/image/upload/w_auto,c_lfill,g_center,q_auto,f_auto/v1571157834/carrier/carrier-university/logos-icons/carrier-nate-logo-white-bg.jpg)
NATE Study Guide: Air Conditioning
![carrier-nate-logo-white-bg](https://images.carriercms.com/image/upload/w_auto,c_lfill,g_center,q_auto,f_auto/v1571157834/carrier/carrier-university/logos-icons/carrier-nate-logo-white-bg.jpg)
NATE Study Guide: Gas Furnaces
![carrier-nate-logo-white-bg](https://images.carriercms.com/image/upload/w_auto,c_lfill,g_center,q_auto,f_auto/v1571157834/carrier/carrier-university/logos-icons/carrier-nate-logo-white-bg.jpg)
NATE Study Guide: Heat Pumps
![carrier-psychrometric-chart](https://images.carriercms.com/image/upload/w_auto,c_lfill,g_center,q_auto,f_auto/v1557508844/carrier/carrier-university/misc/carrier-psychrometric-chart.jpg)
How to Use a Psychrometric Chart
![carrier-igc-video-background-small](https://images.carriercms.com/image/upload/w_auto,c_lfill,g_center,q_auto,f_auto/v1557508636/carrier/carrier-university/misc/carrier-igc-video-background-small.png)
Carrier RTU with IGC Control Board – Sequence of Operations