74-2953-2 - Excel 10 W7751H Smart VAV Actuator

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— Supply and exhaust pressurization control are provided on a zone basis. The W7751H Controller provides two additional outputs that control a fan or VAV box reheat coils. LONWORKS®, LON MARK®, and LONMARK Logo are registered trademarks of Echelon® Corporation. • Both controller housing and actuator are UL plenum rated. (Devices connected to the controller must obtain power from the same transformer. • Designed for Pressure Independent or Pressure Dependent Single or Dual Duct Variable Air Volume (VAV) control. 3 74-2953—2 EXCEL 10 W7751H SMART VAV ACTUATOR By using this Honeywell literature, you agree that Honeywell will have no liability for any damages arising out of your use or modification to, the literature. • Compliant with VAV Device Object Type number 8010 functional LONWORKS profile. Outputs: — Internally wired VAV actuator (floating +). Excel 10 W7751H Smart VAV Actuator SPECIFICATION DATA FEATURES GENERAL The W7751H Smart VAV Actuator is a factory-integrated Variable Air Volume (VAV) Box Controller and a 90 second ML6174 Direct-Coupled Actuator in the Excel 10 family product line. mm) passes through conduit connecting to screw terminals, located under a snap-on cover, on the bottom of the controller. 2 EXCEL 10 W7751H SMART VAV ACTUATOR Damper Shaft Mounting The actuator on the W7751H mounts directly onto the VAV box damper shaft and has up to 70 lb-in. This controller provides two additional outputs that control a fan or VAV box reheat coils. Input/Output Slow Blink Operational (communicating in normal state) Fast Blink An alarm is present or in (Manual Test Mode) The W7751H is an NEC Class 2 rated device. • Supports pressurize and depressurize, night purge, and morning warm-up sequences. Hardware CPU: Motorola or Toshiba 3150 Neuron® processor, containing three eight bit CPUs. Model Status Information W7751H The W7751H Smart VAV Actuator assembly is field mounted to the VAV box damper shaft similar to the mounting of a standard actuator. The minimum VAV box damper shaft length is 1-3/4 in. VAV systems generally provide cool air only to the zones. This VAV Box Controller provides Pressure Independent air flow control and Pressure Dependent damper control