
Excel 10 W7761A Remote Input/Output Device
  | CONTENTS | |
Table of Contents  | ||
Introduction  | ...........................................................................................................................  | |
  | Description of Devices  | 4  | 
  | Control Application  | 5  | 
  | Control Provided  | 5  | 
  | Products Covered  | 6  | 
  | Organization of Manual  | 6  | 
  | Applicable Literature  | 6  | 
  | Product Names  | 6  | 
  | Agency Listings  | 7  | 
  | Abbreviations and Definitions  | 7  | 
  | Construction  | 9  | 
  | Controllers  | 9  | 
  | Performance Specifications  | 12  | 
  | Wall Modules  | 15  | 
  | Configurations  | 16  | 
  | 17  | |
  | Occupancy Sensor  | 17  | 
  | Window Open/Closed Digital Input  | 17  | 
  | Wall Module Options  | 17  | 
  | Dirty Filter Monitor  | 17  | 
  | Indoor Air Quality (IAQ) Override  | 17  | 
Application Steps  | ...........................................................................................................................  | |
  | Overview  | 18  | 
  | Step 1. Plan The System  | 18  | 
  | Step 2. Determine Other Bus Devices Required  | 19  | 
  | Step 3. Lay Out Communications and Power Wiring  | 19  | 
  | 19  | |
  | Power Wiring  | 21  | 
  | Power Budget Calculation Example:  | 21  | 
  | Line Loss:  | 22  | 
  | Step 4. Prepare Wiring Diagrams  | 24  | 
  | General Considerations  | 24  | 
  | W7761A Devices  | 24  | 
  | 30  | |
  | Step 5. Order Equipment  | 33  | 
  | Step 6. Configure Devices  | 36  | 
  | Step 7. Troubleshooting  | 36  | 
  | Troubleshooting Excel 10 Controllers and Wall Modules  | 36  | 
  | Temperature Sensor and Setpoint Potentiometer Resistance Ranges  | 36  | 
  | Alarms  | 36  | 
  | Broadcasting the Service Message  | 37  | 
  | W7761A Controller Status LEDs  | 37  | 
  | T7780 DDWM Bypass Pushbutton  | 38  | 
List of Figures  | ...........................................................................................................................  | 2  | 
  | Fig. 1. Typical system overview | 4  | 
  | Fig. 2. Typical W7761A control application | 5  | 
  | Fig. 3. Excel 10 W7761A Remote I/O Device | 10  | 
  | Fig. 4. W7761A construction | 11  | 
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