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EXCEL 10 CHILLED CEILING CONTROLLER - SYSTEM ENGINEERING
INTRODUCTION
Description of Devices
The zone controlled by the W7763 Controller will typically use
an Excel 10 wall module with a temperature sensor for space
temperature measurement, analog setpoint input, bypass
digital input push-button, and override status LED. See page
4 for form numbers of Excel 10 wall module literature for
further information.
The W7763C, D and E Controllers are three Chilled Ceiling
Controllers in the Excel 10 family product line. They cover a
wide range of control applications including radiators,
induction units, chilled ceiling, and chilled beam and are
suitable for either wall mounting or unit mounting. Heating
systems can be water or electric, and cooling systems can be
chilled water supply or compressors. Extensive timing
features make the W7763 especially suitable for systems
using electric heat and compressors. The W7763 Controllers
are capable of stand-alone operation; however, optimum
functional benefits are achieved when the network
communication capabilities are used.
The Q7750A Excel 10 Zone Manager is a communications
interface that allows devices on the Excel 10 Echelon®
LONWORKS® network to communicate with devices on the
EXCEL 5000® System C-Bus. Fig. 1 shows an overview of a
typical system layout. The Q7750A also provides some
control and monitoring functions.
Fig. 1. Typical system overview
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