Honeywell T755U - Manuals

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 5 62-0255—09 Fig. 3. Parallel-series wiring of sensors. Temperature Sensor Wire Type and Size Temperature sensors use standard AWG 18/2 unshielded wire. For cable runs greater than 25 feet or where electrical interference may be a problem, shielded...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 6 Fig. 5. Sensor Wiring — 3-wire shielded cable connection from Sensor A to 0-10 Vdc sensor (H76xx humidity sensor shown). Fig. 6. Sensor Wiring — 2-wire shielded cable connection from 4-20 mA sensor to T775 controller (loop powered wiri...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 7 62-0255—09 Controller Wiring WARNING Electrical Shock Hazard. Can cause severe injury, death or property damage. Disconnect power supply before beginning wiring, or making wiring connections, to prevent electrical shock or equipment damage. CAUTI...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 8 Controller Wiring Details The wiring connection terminals are shown in Fig. 11 and are described in Table 2. See Fig. 12 – Fig. 19 beginning on page 9 for typical T775U wiring applications. Fig. 11. T775U Terminal and Feature Locations...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 9 62-0255—09 WIRING APPLICATION EXAMPLES Fig. 12 – 19 illustrate typical controller wiring for various applications. NOTE: The electronic Series 90 output provided with modulating T775 models can not drive elec- tro-mechanical slidewire devices lik...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 10 Fig. 16. Wiring for Digital Input (dry contact). Fig. 17. Wiring for mod motor or direct coupled actuator with 0-10 Vdc control input. Fig. 18. Wiring for Series 90 Modutrol Motor Control. Fig. 19. Wiring for Changeover Relay and Mini...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 11 62-0255—09 Humidity, Pressure, and Universal Sensor Calibration A calibration parameter is available using Setup mode. The calibration range is +/- 10% of the Min Value to Max Value range setup for the sensor. See examples in Table 3. The calibr...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 12 Fig. 21. LCD Display - Home Screen And Keypad. Menu Area – On the home screen, the LCD displays the configured relays and whether they are active. In Program, Setup or Schedule mode, the LCD displays the current menu selection and its...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 13 62-0255—09 Program, Schedule, and Summary Menus To access these menus from the home screen, press the MENU button. See Fig. 23. Fig. 23. Menus. Depending on whether scheduling is enabled or not, the LCD displays one of two menus as shown in Fig....

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 14 IMPORTANT 1. This action sets the maximum setpoint value of all outputs to the setpoint high limit maximum. 2. Setting the high limit setpoint maximum is irre- versible . If you perform the action inadvertently and this setpoint adver...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 15 62-0255—09 Setup Procedure The Setup process uses a hierarchical menu structure that is easy to use. You press the t and u arrow buttons to move forward and backward through the menus. NOTE: The menus can display only those relays that are defin...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 16 Fig. 28. Setup - Sensors - Sensor A - Type. 1.2.2.1. TYPE (Sensor A only) 1. From the Sensor A selections, use the p and q but- tons to highlight TYPE. 2. Press the u button to display the type values. 3. Use the p and q buttons to hi...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 18 Fig. 34. Setup - Sensors - Sensor A - Exit. 1.2.2.5. Exit Sensor A Setup Press the t button to exit Sensor A selections and return to the Sensors menu. or Use the p and q buttons to highlight EXIT and press the u button. Continue with...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 21 62-0255—09 Fig. 43. Setup - Outputs - Mod Out - Reset. 1.3.1.6. RESET This selection enables the controller’s Reset function, and allows each output to be individually programmed for Reset or No Reset. IMPORTANT To use the Reset function of the ...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 22 Fig. 46. Setup - Outputs - Number of Relays. 1.3.2. NBR OF RELAYS 1. From the Outputs menu, use the p and q buttons to highlight # RELAYS. 2. Press the u button to display the number of relays. 3. Use the p and q buttons to display th...

T775U SERIES 2000 ELECTRONIC 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 minimum number of seconds of “off time” or “on time” for all relays. 1. Press the u button to display the Min Off/On value. 2. Use the p and ...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 26 Fig. 56. Setup - Outputs - Relay - Reset Runtime. 1.3.4.3. RESET RT (run time) This selection displays only if “Show RT = YES” is selected during Output Options setup (see page 24). 1. Press the u button to display the Reset RT values...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 27 62-0255—09 Fig. 58. Program Menu. 2.1. Entering Program Mode Press the MENU button, then select PROGRAM and press the u button to view the Program menu. Fig. 59. Program Menu - No Reset. 2.1.1. Program Menu for Outputs with No Reset From the Pro...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 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 accept the value and display the menu. Fig. 62. Program - Sensor. 2.1.3. SENSOR This sub-menu choice is only available on the T775U2016 model. 1. Fro...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 29 62-0255—09 2.2. Program Next Output (Modulating Output or Relay) For the next output, select the desired MOD or Relay from the Program menu (see Fig. 58 on page 27). Go to “2.1.2. SETPOINT” on page 27 to continue programming. When you finish pro...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 30 CAUTION If using the time clock or DI to go to setback, the T775P will shift the reset curve up or down and cause the controlled setpoint to exceed either the entered reset max. temp or min. temp (dropping below reset minimum is most ...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 32 Fig. 73. Program - Action Selection. 3.2.6. ACTION For the MOD 1 output (and for outputs with RESET=NO), the ACTION selection displays. For all other outputs with RESET=YES, the ACTION selection does not display; continue with “3.2.7....

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 33 62-0255—09 Fig. 75. Program - Setpoint Offset (MOD 2 only). Fig. 76. Reset Curve with Offset for MOD 2. 3.3. Second Modulating Output and Relays For the second Modulating Output and the two Relays (if they are configured for Reset), the Offset p...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 34 4. SCHEDULING Scheduling provides the ability to set daily temperature settings for up to two events per day. Typically, these are the daytime (setpoint) and the nighttime (setback) settings. IMPORTANT To enable Scheduling, you must f...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 36 Fig. 82. Schedule Event Menu (Showing MON-FRI). 4.3. Setting Individual Schedules As shown in the Schedule menu (Fig. 77 on page 34), schedules can be set for the following time periods: • Monday through Friday • Saturday and Sunday •...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 37 62-0255—09 Fig. 84. Schedule - Event 1 Time. 4.3.2. E1 TIME (time for event 1) 1. From the selected time period menu, use the p and q buttons to highlight E1 TIME. 2. Press the u button to display the current time setting for event 1. 3. Use the...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—09 38 SUMMARY MENU The Summary menu provides the ability to view the schedule (E1 and E2 times) for each relay for each day of the week. NOTE: Scheduling must be enabled for the Summary menu to display. Enabling the schedule is determined i...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 39 62-0255—09 DoC Emissions Compliance EN 55022: 2006 CISPR 22: 2006 VCCI V-3/2006.04 ICES-003, Issue 4: 2004 FCC PART 15 SUBPART 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:...

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER Automation and Control Solutions Honeywell International Inc.1985 Douglas Drive NorthGolden Valley, MN 55422customer.honeywell.com ® U.S. Registered Trademark© 2012 Honeywell International Inc.62-0255—09 M.S. Rev. 05-12 Printed in United States