Page 2 - EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE; Revision History; change
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 PID .................................................................................................................30 Commissioning ...............................................................................................30 ...
Page 3 - INTRODUCTION; Description of Devices; LonWorks network
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 1 INTRODUCTION Description of Devices The W7752D,E,F,G, and J Controllers and W7754K,L,M,N, and P Controllers are Fan Coil Unit Controllers belonging to the Excel 10 product line. Excel 10 FCU Controller systems control the space te...
Page 4 - Products Covered; Title; Product Names
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 2 Products Covered This System Engineering Guide describes how to apply the Excel 10 FCU Controllers and the accessories to typical FCU applications. The specific devices covered include: • W7752D,E,F,G, and J FCU Controllers. • W77...
Page 5 - Control Application; Fig. 2. Typical Fan Coil Unit control application; Control Provided
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 3 Control Application Fan coil unit systems in commercial buildings control room temperature through the control of heat and/or cold water valves and fan speed. Electric reheat coils may also be used in the system. The Excel 10 FCU ...
Page 6 - Setpoints; Setpoint Knob
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 4 Fig. 3. Control sequence diagram Setpoints Setpoint Knob The Excel 10 FCU Controllers may be hardwired to an Excel 10 wall module equipped with a setpoint knob. When the Excel 10 FCU Controller has been configured (using the LNS p...
Page 8 - Bypass
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 6 Bypass Bypass Mode When the Excel 10 FCU Controller is in the "unoccupied" mode, the Excel 10 wall module's bypass push-button may be used to force the Excel 10 FCU Controller into the "occupied" mode. The Excel 10...
Page 9 - Occupancy Status
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 7 Window Sensor The digital input for reading input from a window contact provides the Excel 10 FCU Controller with a means to disable its temperature control activities if someone has opened a window or door in the room. If no wind...
Page 10 - Safety Features
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 8 Safety Features Frost Protection If the room temperature falls below 46.4 °F (8 °C), the Excel 10 FCU Controller enables the heating circuit to ensure frost protection and an alarm is issued. When the temperature rises above 48.2 ...
Page 11 - Construction; CAUTION
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 9 Construction Excel 10 W7752 FCU Controllers The Excel 10 W7752 FCU Controller is available in five basic models, each with two different possibilities for L ON W ORKS transceivers. All of these controllers are mains-powered, and t...
Page 13 - Controller Performance Specifications; Operating Temperature:; When any device is energized by a triac, the device; Interoperability; FCU object profile
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 11 Controller Performance Specifications Power: W7752D and W7752E; W7754K,M,N,P 230 Vac +10%, -15%, 50/60 Hz. W7752F and W7752G 115 Vac +10%, -15%, 50/60 Hz. W7752J 100 Vac ± 6%, 50/60 Hz. W7754L 24 Vac ± 20%, 50/60 Hz. Operating Te...
Page 14 - Configurations; General; Table 7. Hardware options summary; Fan Type; Hysteresis
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 12 Configurations General The following sections provide an overview of the Excel 10 FCU Controller options related to inputs and outputs. See Application Step 6. Plug-Ins Configuration Screens for complete list of configuration opt...
Page 15 - Type of Heating and Cooling Equipment
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 13 Fig. 9. Three-speed fan switching and hysteresis, cooling mode (defaults for switching levels shown) Type of Heating and Cooling Equipment Excel 10 FCU Controllers can operate with either two-pipe or four-pipe systems. A two-pipe...
Page 16 - Reheat Output
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 14 Fig. 10. Three-stage heating/cooling switching (defaults for switching levels and hysteresis shown) Reheat Output W7752D and F Controllers and the W7754P1000 have an additional high-current (10 A max.; UL916: 6 A max.) output rel...
Page 17 - Excel 10 Wall Module Options; IMPORTANT
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 15 Excel 10 Wall Module Options A typical FCU installation will include an Excel 10 wall module containing a 20k ohm NTC room temperature sensor and additional features depending on the wall module type (see Excel 10 wall module lit...
Page 18 - Abbreviations and Definitions
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 16 Abbreviations and Definitions CARE Computer Aided Regulation Engineering; the PC based tool used to configure LonWorks devices. CPU Central Processing Unit; an EXCEL 5000 ® System controller module. Echelon ® The company that dev...
Page 19 - APPLICATION STEPS; Overview; notebook PC; Step 2. Determine Other Bus Devices
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 17 APPLICATION STEPS Overview Steps one through seven (see Table 8) address con- siderations for engineering an Excel 10 FCU System. These steps are guidelines intended to aid understanding of the pro- duct I/O options, bus arrangem...
Page 20 - Step 3. Lay Out Communications and Power; Layout; wiring layout for one daisy-chain network segment; wiring layout for two daisy-chain network segments
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 18 Step 3. Lay Out Communications and Power Wiring L ON W ORKS Layout The communications bus, L ON W ORKS , is a 78-kilobit serial link that uses transformer isolation and differential Manchester encoding. Wire the L ON W ORKS using...
Page 21 - layout examples; Power Wiring; Step 4. Prepare Wiring Diagrams; General Considerations
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 19 Fig. 15. Free topology L ON W ORKS layout examples NOTE: See section "L ON W ORKS Termination" on page 23 for additional details. IMPORTANT Notes on Communications Wiring: • All field wiring must conform to local codes an...
Page 24 - model
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 22 Terminal Block Assignment and Wiring Example for the W7754 Controller Table 13 lists the terminals and their functions of the Excel 10 W7754 FCU Controller. Table 14 lists wiring information for all possible actuator types. Table...
Page 25 - output type; Termination; connection and termination module
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 23 Table 14. Output assignments of Excel 10 W7754 FCU Controller for various actuator types OUT1 OUT2 output type stage 19 20 21 22 floating -- close open close open 0 -- OFF -- OFF 1-stage 1 -- ON -- ON 0 OFF OFF OFF OFF 1 OFF ON O...
Page 26 - Step 5. Order Equipment
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 24 Step 5. Order Equipment After compiling a bill of materials through completion of the previous application steps, refer to Table 15 for ordering information. Contact Honeywell for information about controllers and Excel 10 wall m...
Page 27 - Step 6. Configure Controllers; Application
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 25 Step 6. Configure Controllers General This section will provide details on the configuration options for Excel 10 FCU Controllers. See Appendix C for reference information. Using Plug-Ins The configuration process is primarily pe...
Page 28 - Output; function
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 26 Output The available options for output configurations with the default values shown are listed in Table 16. See section "Configurations" on page 12 for more information about parameters. Table 16. FCU Controller output c...
Page 29 - Input; Table 17. FCU Controller input configuration options
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 27 Input The available options for input configurations with the default values shown are listed in Table 17. See sections "Control Provided" and "Configurations" above for more information on parameters. Table 17. F...
Page 30 - Equipment Control
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 28 Equipment Control The available options for equipment control configurations with the default values shown are listed in the following table. See section "Configurations" on page 12 for more information about parameters. ...
Page 31 - Switching Levels
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 29 Switching Levels See section "Configurations" on page 12 for more information about parameters. Table 20. FCU Controller switching levels configuration options function configuration options default cooling stage 1 switch...
Page 32 - PID; Table 23. FCU Controller PID configuration options; Commissioning; ID Number; Step 7. Troubleshooting; Alarms
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 30 PID The options for configuring PID parameters with defaults are shown in the following table. See section "Configurations" on page 12 for more information about parameters. Table 23. FCU Controller PID configuration opti...
Page 33 - Table 24. Excel 10 FCU Controller alarms.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 31 Table 24. Excel 10 FCU Controller alarms. Name of alarm or alarm bit alarm type number meaning of alarm code or alarm bit No Alarm/Return to Normal: RETURN_TO_NORMAL 128 Return to no error after being in an error condition. This ...
Page 34 - Broadcasting the Service Message; Assign Neuron ID; Manual Mode
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 32 Broadcasting the Service Message The Service Message allows a device on the LonWorks network to be positively identified. The Service Message contains the controller Neuron ID number and, therefore, can be used to confirm the phy...
Page 35 - APPENDIX A: USING AN LNS TOOL TO COMMISSION A FAN COIL UNIT; Temperature Sensor Calibration
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 33 APPENDIX A: USING AN LNS TOOL TO COMMISSION A FAN COIL UNIT Temperature Sensor Calibration The temperature sensor in the Excel 10 wall modules can be calibrated to correct for sensor inaccuracies, wire resistance, etc. This allow...
Page 36 - APPENDIX B: CONFIGURING FOR MASTER/SLAVE OPERATION; Output Configuration Options; Input Configuration Options; no; Equipment Control Options
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 34 APPENDIX B: CONFIGURING FOR MASTER/SLAVE OPERATION More than one Excel 10 FCU Controller may be used to control the temperature of a room. In this situation one controller must be identified as the master unit which will perform ...
Page 37 - APPENDIX C: LON INTERFACE; The tables are divided as follows:; Table C2; —Configuration variables; Table C3; —Input variables; Table C4; —Output variables; Table C5; —Unused variables
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 35 APPENDIX C: LON INTERFACE The tables are divided as follows: Table C2 —Configuration variables Table C3 —Input variables Table C4 —Output variables Table C5 —Unused variables
Page 39 - Table C2. Configuration Variables for Excel 10 FCU Controllers
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 37 EN2B-0285GE51 R0909 Table C2. Configuration Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus range digital state or value default comments nciApplVer application_type UBYTE, 0 to 255 0 This...
Page 49 - Table C3. Input Variables for Excel 10 FCU Controllers
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 47 EN2B-0285GE51 R0909 Table C3. Input Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus range digital state or value default comments nviApplicMode SNVT_hvac_mode HVAC_AUTO HVAC_HEAT HVAC_COOL...
Page 55 - Table C4. Output Variables for Excel 10 FCU Controllers.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 53 EN2B-0285GE51 R0909 Table C4. Output Variables for Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus range digital state or value default comments nvoActiveSetPt SNVT_temp_p 50 to 95°F (10 to 35°C) 621.8...
Page 67 - Table C5. Unused Variables for Excel 10 FCU Controllers
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 65 EN2B-0285GE51 R0909 Table C5. Unused Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus range digital state or value default comments nciApplVer not_used1 UBYTE Reserved for future use. nciAp...