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® U.S. Registered Trademark EN2B-0285GE51 R0909
Copyright © 2009 Honeywell Inc.
All Rights Reserved
Excel 10
W7752D,E,F,G,J AND W7754K,L,M,P
FAN COIL UNIT CONTROLLERS
LNS PLUG-INS
HONEYWELL EXCEL 5000 OPEN SYSTEM
USER GUIDE
CONTENTS
Introduction .................................................................................................................................................................................. 1
Description of Devices ................................................................................................ 1
Products Covered ....................................................................................................... 2
Organization of Manual............................................................................................... 2
Applicable Literature ................................................................................................... 2
Product Names ........................................................................................................... 2
Control Application...................................................................................................... 3
Control Provided ......................................................................................................... 3
Setpoints.......................................................................................................... 4
Bypass............................................................................................................. 6
LED/LCD ......................................................................................................... 6
Energy-Saving Features .................................................................................. 6
Occupancy Status............................................................................................ 7
Safety Features ............................................................................................... 8
Operating Modes ............................................................................................. 8
Construction................................................................................................................ 9
Excel 10 W7752 FCU Controllers.................................................................... 9
Excel 10 W7754 FCU Controllers.................................................................... 9
Controller Performance Specifications........................................................... 11
Configurations........................................................................................................... 12
General.......................................................................................................... 12
Fan Type ....................................................................................................... 12
Type of Heating and Cooling Equipment ....................................................... 13
Reheat Output ............................................................................................... 14
Digital Input.................................................................................................... 14
Excel 10 Wall Module Options....................................................................... 15
Abbreviations and Definitions.................................................................................... 16
Application Steps ....................................................................................................................................................................... 17
Overview................................................................................................................... 17
Step 1. Plan the System............................................................................................ 17
Step 2. Determine Other Bus Devices Required....................................................... 17
Step 3. Lay Out Communications and Power Wiring ................................................ 18
LONWORKS Layout ......................................................................................... 18
Power Wiring ................................................................................................. 19
Step 4. Prepare Wiring Diagrams ............................................................................. 19
General Considerations ................................................................................. 19
Terminal Block Assignment and Wiring Example for the W7752 Controller... 21
Terminal Block Assignment and Wiring Example for the W7754 Controller... 22
LONWORKS Termination ................................................................................. 23
Step 5. Order Equipment .......................................................................................... 24
Step 6. Configure Controllers.................................................................................... 25
General.......................................................................................................... 25
Output............................................................................................................ 26
Input............................................................................................................... 27
Equipment Control......................................................................................... 28
Fan ................................................................................................................ 28
Switching Levels............................................................................................ 29
Zone Options ................................................................................................. 29
Miscellaneous................................................................................................ 29