Lead Controller Manuals / Datasheets / Instructions

iO-LL LEAD/LAG Controller Installation Guide

Learn how to balance the run time between HVAC equipment with the versatile iO-LL LEAD/LAG Controller. This 24VAC powered controller offers true dual-stage control and is perfect for lead/lag applications. The iO-LL comes with dedicated terminals, LED indicators, and is easy to install. Explore its various wiring diagrams and get started today!

Bard MC5600 Series Lead/Lag Controller Installation Guide

Bard MC5600 Series Lead Lag Controller - Featured Image

Learn how to update the firmware for Bard's MC5300 and MC5600 Series controllers with these supplemental instructions. Find the necessary tools, including the update file, and follow step-by-step instructions to ensure proper installation. Keep your Bard Lag or Lead Controller up-to-date with ease.