Contrôleurs de zone et d’unités
Excel 10™ W7751 VAV II Controller
Excel 10™ W7751 variable air volume (VAV) II controllers provide pressure independent or pressure dependent airflow control and series or induction fan control using single and dual-duct applications.
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Excel 10™ W7751 variable air volume (VAV) II controllers provide pressure independent or pressure dependent airflow control and series or induction fan control using single and dual-duct applications. VAV systems generally provide cool air only to the zones. The controllers provide additional outputs that control VAV box reheat coils. The heaters are 3-stage electric or modulating hot water. Supply and exhaust pressurization control are provided on a zone basis.
Features & Benefits:- Uses Echelon LonWorks® network (E-Bus) protocol
- Free topology transceiver (FTT) high speed 78 kilobit communications network
- Energy saving setpoint reset for electrical demand limit control
- Capable of standalone operation, but can also use E-Bus network communications
- 120 controllers per Excel 10 zone manager
- Easy user access to the E-Bus network communications jack
- Designed for pressure independent or pressure dependent single or dual-duct VAV and constant volume air terminal unit control
- Uses a microbridge airflow sensor with patented dual integral restrictor design
- Easy user access to airflow sensor inputs
- Provides proportional integral derivative (PID) temperature control
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