Honeywell T775U- Manuals

Page 2 - Actuators; Product Selection Tool

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 2 Temperature Sensors a (Sensor A or B) The controller accepts 1,097 Ohms PTC at 77°F (25°C):• 50021579-001 – Standard sensor (included with all models except NEMA 4X models) • T775-SENS-WR – Water resistant with 5 foot leads (included w...

Page 3 - Controller Dimensions; BEFORE INSTALLATION; When Installing This Product; INSTALLATION AND SETUP; MOUNTING; Controller Mounting

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 3 62-0255—07 Controller Dimensions Fig. 1. T775U Dimensions in inches (mm). BEFORE INSTALLATION Review the “Specifications” on page 37 before installing the controller. When Installing This Product 1. Read these instructions carefully. Failure to f...

Page 4 - WIRING; Wiring Connections Access; CAUTION; Reset Temperature Control

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 4 Use a screwdriver to pry out only the knockouts that you will use. If mounting on DIN rail, be sure to remove the knockouts before mounting. See “Controller Wiring” on page 7 and Fig. 12 on page 9 for recommended knockout usage and loc...

Page 5 - Temperature Sensor Wire Type and Size

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 5 62-0255—07 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...

Page 6 - connection from Sensor A to 0-10 Vdc sensor

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 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...

Page 7 - Controller Wiring; WARNING; A separate earth ground is required.; Controller Wiring Method; Fig. 10. Attaching two or more wires at terminal

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 7 62-0255—07 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. CAUTIO...

Page 8 - Controller Wiring Details

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 8 Controller Wiring Details The wiring connection terminals are shown in Fig. 11 and are described in Table 2. See Fig. 12 – Fig. 18 beginning on page 9 for typical T775U wiring applications. Fig. 11. T775U Terminal and Feature Locations...

Page 9 - Fig. 13. Wiring for mod motor or direct coupled

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 9 62-0255—07 WIRING APPLICATION EXAMPLES Fig. 12 – 18 illustrate typical controller wiring for various applications. NOTE: The electronic Series 90 output provided with modulating T775 models can not drive electro-mechanical slidewire devices like ...

Page 10 - CHECKOUT; Power Loss

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 10 Fig. 17. Wiring for Series 90 Modutrol Motor Control. Fig. 18. Wiring for Changeover Relay and Minimum Position Potentiometer used with Series 90 Modutrol Motors. CHECKOUT Inspect all wiring connections at the controller terminals, an...

Page 11 - INTERFACE OVERVIEW; Using the LCD Panel Interface; Home Button

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 11 62-0255—07 Fig. 19 shows how sensor resistance varies with temperature for a sensor having a positive temperature coefficient (PTC) of 2.1 Ohms per degree F (3.85 Ohms per degree C). Fig. 19. Sensor Resistance vs. Temperature. INTERFACE OVERVIEW...

Page 12 - Up and Down Arrow Buttons (; HOME; Home Screen; Accessing the Menus; Setup Menu; Using the Menus; • Left arrow button

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 12 Up and Down Arrow Buttons ( S and T ) Use these buttons to move your selection up and down through a menu or list. • When the desired item is highlighted, you press the X arrow button to display that item’s content. • When a value is ...

Page 13 - PROGRAMMING OVERVIEW; Setpoint and Differential

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 13 62-0255—07 NOTES: 1. If you press the HOME button or there is no keypad activity for four minutes, you exit Program mode and return to the home screen. 2. If you press the MENU button, you exit and return to the menu. PROGRAMMING OVERVIEW The co...

Page 14 - Setup Procedure; not

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 14 Setup Procedure The Setup process uses a hierarchical menu structure that is easy to use. You press the W and X arrow buttons to move forward and backward through the menus. NOTE: The menus can display only those relays that are defin...

Page 21 - all

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 21 62-0255—07 Fig. 45. Setup - Outputs - Number of Relays. 1.3.2. NBR OF RELAYS 1. From the Outputs menu, use the S and T buttons to highlight # RELAYS. 2. Press the X button to display the number of relays. 3. Use the S and T buttons to display th...

Page 22 - or

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 22 Fig. 48. 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 X button to display the Min Off/On value. 2. Use the S and ...

Page 23 - each

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 23 62-0255—07 Fig. 50. Setup - Outputs - Options - Show Runtime. 1.3.3.4. SHOW RT (show run time hours) 1. Press the X button to display the Show RT values. 2. Use the S and T buttons to select YES or NO. Default: YES 3. Press the X button to accep...

Page 25 - WITH NO

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 25 62-0255—07 2. PROGRAMMING OUTPUTS (MOD AND RELAY) WITH NO RESET The T775U can be programmed for Reset or No Reset. From the factory, the T775U is programmed for No Reset. This section describes the steps necessary to program the controller for N...

Page 28 - WITH

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 28 3. PROGRAMMING OUTPUTS (MOD AND RELAY) WITH RESET The T775U can be programmed for Reset or No Reset for each output. From the factory, the T775U is programmed for No Reset. This section describes the steps necessary to program the con...

Page 33 - Creating a Schedule

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 33 62-0255—07 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...

Page 35 - SCHEDULING EXAMPLE; DAY

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 35 62-0255—07 Fig. 81. Schedule Event Menu (Showing MON-FRI). 4.3. Setting Individual Schedules As shown in the Schedule menu (Fig. 76 on page 33), schedules can be set for the following time periods:• Monday through Friday• Saturday and Sunday• In...

Page 36 - (exit from selected time period

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 36 Fig. 83. Schedule - Event 1 Time. 4.3.2. E1 TIME (time for event 1) 1. From the selected time period menu, use the S and T buttons to highlight E1 TIME. 2. Press the X button to display the current time set- ting for event 1. 3. Use t...

Page 37 - SUMMARY MENU; Error Message; EE; Diagnostic Messages; Blinking relay status; SPECIFICATIONS

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 37 62-0255—07 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...

Page 38 - DoC; Emissions Compliance

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER 62-0255—07 38 DoC Emissions Compliance EN 55022: 2006CISPR 22: 2006VCCI V-3/2006.04ICES-003, Issue 4: 2004FCC PART 15 SUBPART B Class B Limit Immunity Compliance EN 61000-6-1: 2001 covering EN 61000-4-2: 1995 + A1: 1998 + A2: 2001EN 61000-4-3: 2002...

Page 40 - Automation and Control Solutions

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER Automation and Control Solutions Honeywell International Inc.1985 Douglas Drive NorthGolden Valley, MN 55422 Honeywell Limited-Honeywell Limitée35 Dynamic DriveToronto, Ontario M1V 4Z9customer.honeywell.com ® U.S. Registered Trademark© 2009 Honeywe...