Systems & Services - Excel 10 Controller - Page 14

EXCEL 5000^® System Architecture

Excel 10 Controller Highlights

Controller hardware

• W7751A "board" model for low-cost, panel-mounted applications
• W7751C "plenum, conduit" model for plenum mounting on standard 4" x 4" junction box. UL94-5V flame-retarding rating.  Separate wiring subbase for flexible installation and service
• W7751E "plenum, external wire" model for mounting where low-voltage wiring can be exposed.  UL94-5V flame-retarding rating. Separate wiring subbase for flexible installation and service
• W7751G Excel 10 "Smart VAV Actuator" containing an Excel 10 VAV box controller with integral ML6161 Actuator and 1/2" conduit knock outs on the bottom.  U1 95-5V flame retarding rating.
• W7751A, C E models can be mounted on 7 x 35 mm DIN rail
• Popular, reliable Microbridge airflow sensor
• Network access for quicker field troubleshooting*
• LED for easier diagnostics

Network Communication

• Standard Echelon^® LonWorks™  communication
• High-performance 76K Baud communication
• 2000-meter twisted-pair topology, polarity free for flexible installation

Software Overview

Excel 10 VAV controllers provide the sophisticated, software-driven control required for maximum comfort and energy savings:

• Modulating cooling airflow control
• Modulating heating airflow control
• Staged reheat control (1, 2, or 3 stages) or floating reheat control**
• Series fan control*
• Parallel fan control*
• Motion sensor override
• Pressurization/depressurization per zone
• Night purge
• Morning warm-up
• Terminal-regulated air volume
• Wall/space sensor override
• Pressure independent control
• Pressure dependent control with physical minimum position stops

*W7751A, C, E only
**Staged reheat control (1 or 2 stages) or floating reheat control with W7751G controller/actuator 

Home and Building Control
Honeywell Inc.
Honeywell Plaza
P.O. Box 524
Minneapolis, MN 55408-0524 

Home and Building Control
Honeywell Limited-Honeywell Limitée
740 Ellesmere Road
Scarborough, Ontario
M1P 2V9
 

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