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Honeywell T755U manual

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  • Page 1

    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. and providing switched and propor tio nal outputs to various types of l o[...]

  • Page 2

    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 nsor (include d with all models except NEMA 4X models) • T775-SENS-WR – W ater re sistant with 5 f oot leads (include d with NEMA 4X mode ls) • [...]

  • Page 3

    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. Read these inst ructions caref ully . Failure to follo w them could da mage the pro[...]

  • Page 4

    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. 12 on page 9 for recommended knockout usage and locations. If you do not use an opened k[...]

  • Page 5

    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. See Fig. 4. [...]

  • Page 6

    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). Fig. 7. Sens or Wiring ?[...]

  • Page 7

    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. CAUTION Do not use 24 V ac power to power any[...]

  • Page 8

    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. Fig. 11. T775 U T erminal and Feature Locat ions. T abl e 2. Description of Wirin g[...]

  • Page 9

    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. NO TE: The electronic Series 90 output pr ovide d with modulating T775 models can not drive el ec- tro-mechanical sl idewire devices like older Series 3 modulat ing meters [...]

  • Page 10

    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. Fig. 19. Wir ing for Changeover Relay and Minim um Posit ion Pot entiometer used [...]

  • Page 11

    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. See examples in Ta b l e 3 . The calibration value is set in section “1.2.[...]

  • Page 12

    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 . D[...]

  • Page 13

    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. 23. Scheduling is enabled from the[...]

  • Page 14

    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. 2. Setting the high limit setpoint ma ximum is irre- versible . If you perform the action ina dvertently and this setpoin t adversely affects the control of your system, y[...]

  • Page 15

    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 “1.3.2. NBR O F REL[...]

  • Page 16

    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. 3. Use the p and q buttons to highlight the desired value PT1000 (1097[...]

  • Page 17

    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. 1. F rom [...]

  • Page 18

    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. Continue with “1.2.3. SENSOR B (T emperature only) [...]

  • Page 19

    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). 2. Press the u button to dis play the selected MOD menu. Use the rema ini[...]

  • Page 20

    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. The integral time can be increased for applicat ions where sens ed response is sl ow , and can be decrea sed for ap plications w he[...]

  • Page 21

    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. IMPORTANT T o use the Res et function of the controlle r , the first modulating ou[...]

  • Page 22

    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. 3. Use the p and q buttons t o display the number from 1 to 2. 4. Press the u[...]

  • Page 23

    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. 2. Use the p and q buttons to increase/de crease t[...]

  • Page 24

    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. 1. Press the u button to d ispla y the DI Optio n selec[...]

  • Page 25

    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. Continue with the remainder of this sect ion to setup th[...]

  • Page 26

    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). 1. Press the u button to dis play the Reset RT v alues. 2. Use the p and q buttons to se[...]

  • Page 27

    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. 2.1.1. Pr ogram Menu for Outputs with No Reset F rom the Progr am menu, sele ct MOD 1, MOD 2, RELA [...]

  • Page 28

    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. 1. F rom the men u, use th e p and q bu[...]

  • Page 29

    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. When you finish programming the outpu ts, continue with[...]

  • Page 30

    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. tem p or min. temp (dr opping below res et minimum is most common, sinc e setback is nor mally bel[...]

  • Page 31

    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. 3. Use the p and q buttons to increase/de crease the desired set point tem[...]

  • Page 32

    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 “3.2.7. SETBACK OFFSET (if configured)” on p[...]

  • Page 33

    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. 3.3. Second Modulating Output and Rela ys Fo r the second Modul ating Output and the two Rel ays (if they are configured for Reset), the Offset parameter displays on the Program menu as [...]

  • Page 34

    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. IMPORTANT T o enable Scheduling, you must first enter Setup mode (press and hol[...]

  • Page 35

    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. See “4.2.2. SET D A TE”. 1. F rom the Options me nu, use the p and q b[...]

  • Page 36

    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. F [...]

  • Page 37

    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 . 3. Use the u button to cycle between the h o[...]

  • Page 38

    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 . Enabling the schedul e is determined in the Se tup process for the Output Op[...]

  • Page 39

    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 Limit Immunity Compliance EN 61000-6-1: 2001 covering EN 61000-4-2: 1995 + A1: 1998 + A2: 2001 EN 61000-4-3: 2002 EN 61000-4-4: 2004 EN 61000-4-5: 199[...]

  • Page 40

    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. 62-0255—09 M.S . Rev . 05-12 Printed in United States[...]