Manuale d’uso / di manutenzione del prodotto T755U del fabbricante Honeywell
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INST ALLA TION INSTRUCTIONS 62-0255-09 T775U Series 2000 Electr onic Stand-Alone Contr oller PRODUCT DESCRIPTION The T775 ele ctronic stand-a lone contro llers are the next generation of un iversal controls capable of remote sensing of temperatur e, humidity , pres sure, etc.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 2 T emperature Sens ors a (Sensor A or B) The controller accep ts 1,097 Ohms PTC at 77°F (25°C): • 50021579- 001 – Standard se .
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 3 62-0255—09 Controller Dimensions Fig. 1. T775 U Dimensions in inches (mm). BEF ORE INSTALLATION Revie w the “Specificati ons” on page 38 bef ore installing t he controller . When Installing This Product 1.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 4 Use a screwdriver to pr y out on ly the knockouts that you will use. If mounting on DIN rail, be sure to remove the knockouts bef ore mounting. Se e “Controller Wiring ” on page 7 and Fig.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 5 62-0255—09 Fig. 3. Parallel-series wir ing of sensors. T emperature Sens or Wire T ype a nd Siz e T emperature s ensors use standard AWG 18/2 unshielde d wire. For cable runs greater than 2 5 feet or where electrical in terference may be a problem, shielded cable is recommende d.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 6 Fig. 5. Senso r Wiring — 3-wi re shielded c able connection from Sensor A t o 0-10 Vdc sensor (H76xx humidi ty sensor sho wn). Fig. 6. Senso r Wiring — 2-wi re shielded c able connection from 4-20 mA senso r to T775 contr oller (loop po wered wiring).
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 7 62-0255—09 Controller Wiring WARNING Electrical Shock Hazar d. Can cause se vere injury , death or property damage. Disconnect power supply before beginning wirin g, or making wirin g connections, to prevent electrical shoc k or equipment da mage.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 8 Controller Wiring Details The wiring connection ter minals are sh own in Fig. 11 and are descr ibed in T able 2. See Fig. 12 – Fig. 19 begin ning on page 9 for typical T775U wir ing applications.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 9 62-0255—09 WIRING APPLICATION EXAMPLES Fig. 12 – 19 illustrate typ ical controller wir ing for v ar ious applications.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 10 Fig. 16. Wiri ng for Digital Inpu t (dry con tact). Fig. 17. Wiri ng for mod motor or dire ct coupled actuator w ith 0-10 Vdc co ntrol input. Fig. 18. Wiring f or Series 90 Modut rol Motor Contr ol.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 11 62-0255—09 Humidity , Pressure, and Universal Sensor Calibration A calibration parameter is av ailable using Setup mode. The calibration rang e is +/- 10% of th e Min V alue to Max V alue range setup for the sensor.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 12 Fig. 21. LC D Display - H ome Screen And Ke ypad. Menu Area – On the home screen, t he LCD displays the configured relays and whether they are active . In Program, Setup or Schedu le mode, the LCD displays the current menu selectio n and its order wit hin the menu hierarchy .
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 13 62-0255—09 Program, Schedule, an d Summary Menus T o access these menus f rom the home scr een, press the MENU button. See Fig. 23. Fig. 23. M enus. Dependi ng on whether sch eduling is enab led or not, t he LCD displ ays on e of two menus as shown in Fi g.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 14 IMPORTANT 1. This action sets the maximum setpoint value of all outputs to the setpoint hig h limit maximum.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 15 62-0255—09 Setup Procedure The Setup pr ocess uses a hie rarchical m enu structure that is easy to use. Y ou press the t and u arrow buttons to move f orward and backward through the menus. NO TE: The menus can displa y only thos e relays that are defined in Set up (see “1.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 16 Fig. 28. Setup - Se nsors - Sensor A - T ype . 1.2.2.1. TYPE (Sensor A o nly) 1. F rom the Sensor A se lections , use the p and q but- tons to highlight TYPE. 2. Press the u button to dis play the type values.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 17 62-0255—09 Fig. 31. Setup - Sensors - Sensor A - 0-5V , 0-10V , OR 4- 20MA - MIN and MAX V alue (showing °F ). 1.2.2.2.3. MIN or MAX V ALUE (Sensor A only; 0-5V , 0-10V or 4-20mA) The minimum and maximum values display only f or Sensor A w hen its ty pe is 0-5V , 0-10V or 4-20 MA.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 18 Fig. 34. Setup - Se nsors - Sensor A - Exit. 1.2.2.5. Exi t Sensor A Setup Press the t button to exit Sensor A selections an d retur n to the Sensor s menu. or Use the p and q butt ons to highlight EXIT and press the u button.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 19 62-0255—09 Fig. 37. Setu p - Outputs - Modulati ng Output Menu. 1.3.1. Setting up the Modulating Outputs 1. F rom the Output me nu, use the p and q buttons to highlight the desired mo dulating outpu t (MOD 1 or MOD 2).
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 20 NO TES: (Integral Timing) 1. Th e Integral time is factor y set for 400 seconds. This is a good mid dle range and should satisf y many applications.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 21 62-0255—09 Fig. 43. Se tup - Outpu ts - Mod Out - Reset. 1.3.1.6. R ESET This selection en ables the controller’s Reset function, and allows each output t o be individually p rogrammed for Reset or No Reset.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 22 Fig. 46. Se tup - Outpu ts - Numbe r of Relays. 1.3.2. NBR OF RELA YS 1. F rom the Outputs me nu, use the p and q buttons to highlight # R ELA YS. 2. Press the u button to dis play the number of relays.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 23 62-0255—09 Fig. 49. Setup - Outputs - Options - Min Off/On Time. 1.3.3.2. MIN OFF or MIN ON This is the min imum number of second s of “off time” o r “on time” f or all relays . 1. Press the u button to dis play the Min Off/On value.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 24 Fig. 50. Setup - Outputs - Options - DI Options. 1.3.3.3. DI OPTIONS (digital inpu t options) The DI Option you select ap plies to all output s. This option o verrides an y Setpoint/ Setback v alues ente red in the Schedule.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 25 62-0255—09 Fig. 53. Se tup - Outp uts - Relay Menu. 1.3.4. Set ting up the Rela ys 1. F rom the Outputs me nu, use the p and q buttons to highlight the desired re lay (1 or 2). 2. Press the u button to dis play the selected Relay menu.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 26 Fig. 56. Setup - Outputs - Relay - Rese t Runtime. 1.3.4.3. R ESET RT (run time) This selection displays on ly if “Show R T = YES” is selected dur ing Output Options setup ( see page 24).
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 27 62-0255—09 Fig. 58. P rogram Men u. 2.1. Entering Pr ogram Mode Press the MENU button, the n select PROGRAM and press the u button to v iew the Program menu. Fig. 59. Program Menu - No Re set. 2.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 28 Default: 60°F (16°C) Range: -40°F to 248°F (-40 °C to 120°C) 3. Press the u button to acce pt the value and display the menu. Fig. 62. Progr am - Sensor. 2.1.3. SENSOR This sub-men u choice is only a vai lable on the T775 U2016 model.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 29 62-0255—09 2.2. Program Ne xt Output (Modulating Output or Rel ay) For the ne xt output, se lect the desired MOD or Relay from the Program menu (see Fig. 58 on pa ge 27). Go to “2.1.2. SETPOINT ” on page 27 to continue progr amming.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 30 CAUTION If using th e time clock or DI to go to setback, the T775P wi ll shift the reset cur ve up or down and cause the controlled setpoint to exceed either the entered res et max.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 31 62-0255—09 3.2.2. RESET B1 or OUTSD MIN (Sensor B v alue when at SP MAX A1 Setpoint) 1. F rom the menu, use the p and q buttons to highlight RESET B1 or OUTSD MIN. 2. Press the u button to di splay the setpoint value.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 32 Fig. 73. Program - Action Selection. 3.2.6. A CTION For the MOD 1 outp ut (and f or outputs w ith RESET=NO), the ACTION selection displays. For all other outputs with R ESET=YES, the ACTION selection does not display; continue with “3.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 33 62-0255—09 Fig. 75. Program - Se tpoint Offset (MOD 2 only). Fig. 76. Reset Curve wi th Offset for MOD 2.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 34 4. SCHEDULING Scheduling provides the a bility to set daily tem perature settin gs for up to two e vents pe r day . T ypically , these are the daytime (setpoint) a nd the nighttime (setback) settings.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 35 62-0255—09 Fig. 79. Sche dule - Opti ons - Syst em Time . 4.2.1. SET TIME Setting the syst em time is required to enable the controller to follow da ylight saving time. IMPORTANT Set the Date before setting the Tim e.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 36 Fig. 82. Schedu le Event Menu (Sh owing MON-FRI). 4.3. Setting Individ ual Schedules As shown i n the Schedule men u (Fig. 77 on page 34), schedules can be set for the following time periods: • Monday through Friday • Saturday and Sunday • Individua l days of the week 1.
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 37 62-0255—09 Fig. 84. Sche dule - Eve nt 1 Time . 4.3.2. E1 TIME (time f or e ven t 1) 1. F rom the selec ted time period men u, use the p and q buttons to highlight E1 TIME. 2. Press the u button to dis play the current time setting for eve n t 1 .
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER 62-0255—09 38 SUMMARY MENU The Summar y menu provides the ability to view the schedule (E1 and E2 tim es) for each relay f or each day of the week. NO TE: Scheduling must be enabled for t he Summary menu to di splay .
T775U SERIES 2000 ELECTRON IC STAND-ALONE CONTROLLER 39 62-0255—09 DoC Emissions Com pliance EN 55022: 2006 CISPR 22: 2006 VCCI V -3/2006.04 ICES-003, Is sue 4: 2004 FCC P ART 15 SUBP ART B Class B .
T775U SERIES 2000 ELECTRON IC STAND-ALONE CO NTROLLER Automation and Control Solutions Honeywell Intern ational Inc. 1985 Douglas Drive North Golden Valley, MN 55422 customer.hone ywell.com ® U.S . Registered T rademark © 2012 Honey well International Inc.
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 T755U 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 T755U - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Honeywell T755U imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Honeywell T755U ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Honeywell T755U, 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 T755U.
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 T755U. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Honeywell T755U 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.
