Manuale d’uso / di manutenzione del prodotto W7752D del fabbricante Honeywell
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® U.S. Registered Trademark EN2B-0285GE51 R0909 Copyright © 2009 Honeyw ell 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 ..
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 PID .................................................................................................................30 Commissioni ng ................................................
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 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.
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 contro l of heat and/or cold water valves and fan speed. Electric reheat coils may also be used in the system.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 4 Fig. 3. Control sequence diagra m Setpoints Setpoint Knob The Excel 10 FCU Controllers may be hardwired to an Excel 10 wall module equipped w ith a setpoint knob.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 5 Table 1. Example setpoint values based upon default c onfiguration – "absolute middle" setpoint knob (°C) occupancy m.
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 by pass push-button may be used to force the Excel 10 FCU Controller into the "occupied" mode.
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 acti vities if someone has opened a window or door in the room.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 8 Safety Features Frost Protection If the room temperature falls bel ow 46.4 °F (8 °C), the Excel 10 FCU Controller enables the heating circuit to ensure frost protection and an alarm is i ssued.
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 tw o different possibilities for L ON W ORKS transceivers.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 10 Fig. 6. W7752 dimension s, in inches (mm) 130 11 0 90 59. 5 180 terminal protecti on cover (optional) 0345 LON Ho n e y w e l l ON UNUSED WALL MO D. USED UNUSED DI2 USED 3 2 1 4 5 6 23 24 7 8 GND 9 LED 10 FAN 11 DI2 12 DI1 SET SENS GND T7460 / T7560 53 42 1 triac 0.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 11 Controller Performance Specifications Pow er: 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.
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 configur ation options and defaults.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 13 Fig. 9. Three-speed fan switchin g and hysteresis, c ooling mode (defaults for s witching levels shown) Type of Heating and Cooling Equipment Excel 10 FCU Controllers can oper ate with either tw o-pipe or four-pipe systems.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 14 Fig. 10. Three-stage heatin g/cooling sw itching (def aults fo r switchin g levels and hysteresis shown) Reheat Output W7752D and F Controllers and the W7754P1000 have an additional high-current (10 A ma x.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 15 Excel 10 Wall Module Options A typical FCU installation w ill include an Excel 10 wall module containing a 20k ohm NTC r oom temperature sensor and additional features depending on the wall module ty pe (see Excel 10 wall module literature for further information).
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.
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.
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 isolat ion and differential Manchester encoding.
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 and ordinances.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 20 Table 10. Field wiring reference table (US part numbers s hown) wir e function recommended min. w ire size AW G ( m m 2 ) construction specification or requirement vendor wire type max.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 21 Terminal Block Assignment and Wiring Example for the W7752 Controller Table 11 illustrates terminal block assignments and wiring for an example Excel 10 W7752 FCU Controller installation.
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 functi ons of the Excel 10 W7754 FCU Controller. Table 14 lists wiring information for al l possible actuator types.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 23 Table 14. Output assign ments of Excel 10 W7754 FCU Controller for various actuator types OUT1 OUT2 output type stage 19 20 21 22.
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 inform ation. Contact Honeyw ell for information about controlle rs and Excel 10 wa ll modules with no logo.
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.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 26 Output The available options for output configurations with the default values show n are listed in T abl e 16. See section "Configuratio ns" on page 12 for more information about parameters.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 27 Input The available options for input configurat ions with the default values show n are listed in Table 17. See sections "Control Provided" and "Configurations" above fo r more information on parameters.
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 s how n are listed in the following table. See section "Configurations" on page 12 for more information about parameters.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 29 Switching Levels See section "Configurations" on page 12 fo r more information about parameters.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 30 PID The options for configuring PID parameters with defaults are show n in the follo wing table. See secti on "Configurations" on page 12 for more information about parameters.
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 A larm/Return to Normal: RETURN_TO_NORMAL 128 Return to no error after being in an error condition.
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.
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 t he Excel 10 wall modules can be calibrated to correct for sensor inaccuracies, w ire resistance, etc.
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 w ill perform the temperature contro l algorithm.
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 Tabl.
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EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 37 EN2B-0285GE51 R0909 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states .
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 38 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states .
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 39 EN2B-0285GE51 R0909 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states .
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 40 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states .
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 41 EN2B-0285GE51 R0909 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states .
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 42 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states .
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 43 EN2B-0285GE51 R0909 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states .
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 44 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nciFcuGains si_pid_Xp[1] SNVT_temp_p 2.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 45 EN2B-0285GE51 R0909 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states .
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 46 Table C2. Configuratio n Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states .
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 rang.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 48 Table C3. Input Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nviManCool SNVT_lev_percent 0 to 100% 163.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 49 EN2B-0285GE51 R0909 Table C3. Input Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus rang.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 50 Table C3. Input Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nviSetPtOffset SNVT_temp_p -18 to 18 DDF (-10 to 10 K) 589.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 51 EN2B-0285GE51 R0909 Table C3. Input Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus rang.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 52 Table C3. Input Variables for Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nviWindow value SNVT_switch.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 53 EN2B-0285GE51 R0909 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nvoActiveSetPt SNVT_temp_p 50 to 95°F (10 to 35°C) 621.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 54 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus r.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 55 EN2B-0285GE51 R0909 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus r.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 56 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments NO_FAN 255 nvoFanSpeedSw value SNVT_switch.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 57 EN2B-0285GE51 R0909 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus r.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 58 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nvoFcuStatus normal operating modes, such as CTL_COOL.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 59 EN2B-0285GE51 R0909 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments 0 to 100% 163.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 60 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nvoFcuStatusP external_active Same as nvoFcuStatus Same as nvoFcuStatus.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 61 EN2B-0285GE51 R0909 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus r.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 62 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nviSpaceTemp is bound to another node, nvoSpaceTemp is not reported on the network.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 63 EN2B-0285GE51 R0909 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nvoUnitStatus heat_output_primary SNVT_lev_percent 0 to 100% 163.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE EN2B-0285GE51 R0909 64 Table C4. Output Variables fo r Excel 10 FCU Controllers. NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments (continued) nroPgmVer 1.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE 65 EN2B-0285GE51 R0909 Table C5. Unused Variables fo r Excel 10 FCU Controllers NV name field name engineering units: English (metric) or states plus range digital state or val ue default comments nciApplVer not_used1 UBYTE Reserved for future use.
EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE Manufactured for and on behalf of the Environm ental and Combustion Controls Division of Honeywell Technologies Sàrl, Rolle, Z.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Honeywell W7752D è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Honeywell W7752D - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Honeywell W7752D imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Honeywell W7752D ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Honeywell W7752D, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Honeywell W7752D.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Honeywell W7752D. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Honeywell W7752D insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
