The MACH-Air™ variable air volume (VAV) controller is a programmable, three-input and three-output BACnet® direct digital controller and shaft-mount damper actuator. The controller features onboard velocity measurement and a 35-inch-pound enhanced brushless DC Halomo motor. The Halomo motor allows for precision revolution counting for motor position with a resolution of 1/84 of a degree, the company states. The Mach-Air has an enhanced sample program for smoother VAV control and a jumper selection switch to configure triac outputs to be two-position or tri-state.

Reliable Controls, 120 Hallowell Rd., Victoria, BC V9A 7K2, Canada; 250-475-2036 or 877-475-9301; 250-475-2096 (fax);;

eProduct #186