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Honeywell T755U Home Theater Server User Manual

1. 213 16 71 8 718 22 5 l FRONT VIEW 718 22 5 La 7 8 22 5 Y z 1 25 5 l BOTTOM M24546 Fig 1 T775U Dimensions in inches mm BEFORE INSTALLATION Review the Specifications on page 38 before installing the controller When Installing This Product 1 Read these instructions carefully Failure to follow them could damage the product or cause a hazard ous condition 2 Check ratings given in instructions and on the prod uct to ensure the product is suitable for your appli cation 3 Installer must be a trained experienced service technician 4 After installation is complete check out product operation as provided in these instructions INSTALLATION AND SETUP The following installation procedures are typically performed in the order listed Mounting see Mounting below Wiring see Wiring on this page Checkout see page 10 Interface and Programming overview see page 11 Setup see page 14 Pons 6 Programming the Controller with no Reset see page 26 or Programming the Controller with Reset 7 Scheduling optional see page 34 page 29 Additional topics are Sensor calibration begins on page 11 Interface overview begins on page 11 Summary menu begins on page 38 Troubleshooting begins on page 38 MOUNTING T
2. a The T775U includes a digital input for use with the disable or setback option gt The modulating analog outputs may be 4 20 mA 0 10 Vdc 2 10 Vdc or Series 90 selectable For the H775C 1004 H775D1003 and H775E1002 model replacement the T775U only partially replaces the function of these devices Check application for suitability 4 For the sensor inputs Sensor A can be 0 10Vdc 4 20mA or a standard temperature input Sensor B is a standard temperature sensor input only Sensor B is used only for reset on the T775U2006 The T775U2016 can control Sensor A universal and Sensor B temperature independently like other standard T775 controllers 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER Temperature Sensors sensor A or B The controller accepts 1 097 Ohms PTC at 77 F 25 C e 50021579 001 Standard sensor included with all models except NEMA 4X models e T775 SENS WR Water resistant with 5 foot leads included with NEMA 4X models e T775 SENS WT Watertight with 6 foot lead e T775 SENS OAT Outdoor air temperature sensor e C7031D20083 5 inch immersion sensor with wiring box use immersion well P N 50001774 001 e C7031J2009 12 foot duct averaging sensor with wiring box e C7046D1008 8 inch duct probe with mounting flange e C7100D1001 12 inch fast response duct averaging sensor with flange e C7130B1009 Room mount sensor Differenti
3. Selecting YES shows the RT run time hours for each relay on the home screen displays NOTE Run times can be reset to zero for each indi vidual relay You must do this for each relay that you want to reset to zero See 1 3 4 3 RESET RT run time on page 26 1 3 3 5 Exit Options Setup Press the t button to exit the Options set up and return to the Outputs menu or Use the p and q buttons to highlight EXIT and press the u button Continue with 1 3 4 Setting up the Relays T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SETUP L OUTPUTS RELAY 1 SETUP OUTPUTS lt 4 RELAY 1 SCHEDULE gt RESET RESET RT EXIT M24614 Fig 53 Setup Outputs Relay Menu SETUP SETUP L OUTPUTS OUTPUTS L RELAY 1 RELAY 1 Le BES gt _ lt 4 SCHEDULE YES gt NO USE SCHEDULE FOR OUTPUTS gt M24615 Fig 54 Setup Outputs Relay Schedule SETUP L OUTPUTS L RELAY 1 gt g SETUP OUTPUTS RELAY 1 lt 4 RESET YES USE RESET FOR RELAY 1 M24616 Fig 55 Setup Outputs Relay Reset 1 3 4 Setting up the Relays 1 From the Outputs menu use the p and q buttons to highlight the desired relay 1 or 2 2 Press the u button to display the selected Relay menu Continue with the remainder of this section to setup the relay outputs 1 3 4 1 SCHEDULE This selection displays only if Use Sched YES is selected during the
4. MODULATING OUTPUT TERMINAL MOD 1 Re A USE SEPARATE TRANSFORMER FOR 1775 WHEN USING 24 VAC M24558B Fig 17 Wiring for mod motor or direct coupled actuator with 0 10 Vdc control input HONEYWELL ELECTRONIC SERIES 90 MODUTROL MOTOR B R Ww MODULATING B OUTPUT TERMINAL R G MOD 1 W X A TO VERIFY OUTPUT TEST OPEN CIRCUIT VOLTAGE BETWEEN THE MOD 1 TERMINALS WAND R MINIMUM DRIVE CLOSED SIGNAL LESS THAN 0 17 VDC MAXIMUM DRIVE OPEN SIGNAL IS GREATER THAN 1 7 VDC A USE SEPARATE TRANSFORMER FOR 1775 WHEN USING 24 VAC A INSERT 340 OHM RESISTOR INCLUDED ACROSS TERMINALS R AND W M24560B Fig 18 Wiring for Series 90 Modutrol Motor Control 62 0255 09 HONEYWELL MINIMUM POSITION ELECTRONIC SERIES 90 POTENTIOMETER SPDT CHANGEOVER MODUTROL MOTOR Q209 H205 OR H705 A POWER MODULATING OUTPUT TERMINAL MOD 1 A USE SEPARATE TRANSFORMER FOR T775 WHEN USING 24 VAC A A 250 OHM RESISTOR PROVIDES 40 AUTHORITY WHEN USING A 150 OHM MINIMUM POSITION POTENTIOMETER A INSERT 340 OHM RESISTOR INCLUDED ACROSS TERMINALS R AND W M24561B Fig 19 Wiring for Changeover Relay and Minimum Position Potentiometer used with Series 90 Modutrol Motors CHECKOUT Inspect all wiring connections at the controller terminals and verify compliance with the installation wiring diagrams A WARNING Electrical Shoc
5. M24622 Fig 79 Schedule Options System Time MAIN MAIN L SCHEDULE SCHEDULE L gt OPTIONS OPTIONS c SET DATE 4 SET DATE 01 01 2007 SET SYSTEM DATE M24623 Fig 80 Schedule Options System Date MAIN L SCHEDULE Le OPTIONS gt Dini SCHEDULE OPTIONS lt DAYLIGHT YES gt NO USE DAYLIGHT SAVING TIME gt M24624 Fig 81 Schedule Options Daylight Saving Time 4 2 1 SET TIME Setting the system time is required to enable the controller to follow daylight saving time IMPORTANT Set the Date before setting the Time See 4 2 2 SET DATE From the Options menu use the p and q buttons to highlight SET TIME Press the u button to display the current system time setting Use the u button to cycle between the hour minute and AM PM values Use the p and q buttons to increase decrease the desired value for the hour minute and AM PM Press the t button to accept the Time and return to the Options menu 4 2 2 SET DATE Setting the system date is required to enable the controller to follow daylight saving time IMPORTANT To properly account for Daylight Saving time be sure to set the Date before setting the Time From the Options menu use the p and q buttons to highlight SET DATE Press the u button to display the current system date setting Use the u button to cycle between the month day and year values Use the p and q buttons to
6. 1 From the Mod menu use the p and q buttons to highlight RESET 2 Usethe p and q buttons to highlight the desired value Default NO 3 Press the u button to accept the selection and return to the Mod menu 1 3 1 7 Hide The Hide option is used to prevent the MOD 1 and MOD 2 outputs from displaying on the Home screen 1 From the Mod menu use the p and q buttons to highlight HIDE 2 Usethe p and q buttons to highlight YES or NO Default YES 3 Press the u button to accept the selection and return to the MOD menu NOTE The MOD1 and MOD2 outputs are still active even when hidden from the Home screen 1 3 1 7 Exit Modulating Outputs Setup Press the t button or highlight EXIT and press the u button to exit the Mod menu and return to the Outputs menu To configure the second modulating output go to 1 3 1 Setting up the Modulating Outputs on page 19 When you finish setting up the two modulating outputs continue with 1 3 2 NBR OF RELAYS 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SETUP SETUP L OUTPUTS OUTPUTS DILUEYENMe 4 RELAYS 2 ENTER NUMBER OF RELAYS gt M24607 Fig 46 Setup Outputs Number of Relays SETUP L OUTPUTS OPTIONS SETUP OUTPUTS lt OPTIONS USE SCHED gt MIN OFF MIN ON DI OPTS SHOW RT EXIT M24608A Fig 47 Setup Outputs Options Menu SETUP SETUP L OUTPUTS OUTPUTS L OPTIONS OP
7. Fig 57 Setup Outputs Relay Exit 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 No Reset 62 0255 09 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 2 Usethe p and q buttons to select YES or NO Default NO 3 Press the u button to accept the value and return to the Relay menu Selecting YES immediately resets the output run time hours to zero for this output When you subsequently return to this screen the RESET RT defaults to NO NOTE Run times can be reset to zero for each indi vidual relay You must do this for each relay that you want to reset to zero 1 3 4 4 EXIT Relay Setup Press the t button to exit the selected relay set up and return to the Outputs menu To setup the next relay output go to 1 3 4 Setting up the Relays on page 25 When you finish setting up the relay outputs continue with 1 4 Exiting Setup 1 4 Exiting Setup Press the HOME button to exit Setup mode and return to the home screen display or Use the p and q buttons to highlight EXIT from the menu and press the u button This completes the Setup procedure NOTE For applications whe
8. SETUP SETUP SETUP L OUTPUTS OUTPUTS OUTPUTS 1 3 3 2 MIN OFF or MIN ON DOE TIDNS aint ore MON This is the minimum number of seconds of off time or on time for all rel UE on time for all relays MIN ON 1 Press the u button to display the Min Off On value 2 Usethe p and q buttons to increase decrease the desired number of seconds from 0 to 990 seconds in 10 second increments EX E Default O zero Range 0 to 990 seconds M E 3 Press the u button to accept the seconds and FOR RELAYS gt FOR RELAYS gt display the DI OPTIONS M24610A NOTES Fig 49 Setup Outputs Options Min Off On Time Q 2 0 SEC 0 SEC The minimum off time applies to all relay outputs 2 When minimum off time is active relays waiting to be energized display a flashing square underneath the relay number on the home screen 3 If the minimum off time is not equal to zero 0 the minimum off time activates at power up To manually override press the t button at any time 23 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SETUP SETUP L OUTPUTS OUTPUTS OPTIONS OPTIONS gt DR lt DIOPTS DISABLE gt SETPOINT SETBACK ENABLE IGNORE SELECT DI OPTIONS FOR OUTPUTS gt M24611A Fig 50 Setup Outputs Options DI Options SETUP SETUP Le OUTPUTS OUTPUTS L OPTIONS OPTIONS 4 SHOW RT Le EISE RELAYS gt M24612 Fig 51 Setup Outputs Opti
9. 0 10 Vdc input Universal Mod 1 Vdc or mA S signal sensor for humidity pressure Mod 2 WRB Series 90 Modulating Output V voltage temperature etc Sensor A S and V 4 20mA input see Fig 7 on page 6 24 Vac Power Temperature Sensor polarity 24V 24 Vac Hot TT insensitive Common 24 Vac Common SensorB TT Temperature Sensor polarity Ground n Earth Ground R iti PREP SENE 120 or 240 Vac Power Input 120 Vac 120 120 Vac Power DI Digital Input dry contact Common COM Common Outputs 240 Vac 240 240 Vac Power Relay 1 NO COM Relay 2 NC 120 240 Vac Relay Output T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER 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 like older Series 3 modulating meters prior to Series 6 V9055s and S984s NOTE Fora wiring example of three Series 90 Modutrol Motors refer to the 7775A B M Series 2000 Electronic Stand alone Control lers Installation Instructions form 62 0254 ISC T A jos t OV 24 VAC L2 Ll L Lu HOT lr C LOAD 1 NO lO COM B TS LOAD 2 ONC NCO COM NO A FOR SPECIFIC SENSOR WIRING TEMPERATURE HUMIDITY PRESSURE ETC REFER TO THE SENSO
10. 140 eoe E T 10 20 30 40 50 60 70 80 F RESET B1 RESET B2 OUTSD MIN OUTSD MAX SENSOR B M24569 Fig 76 Reset Curve with Offset for MOD 2 33 3 3 Second Modulating Output and Relays For the second Modulating Output and the two Relays if they are configured for Reset the Offset parameter displays on the Program menu as shown in Fig 75 3 3 1 SETPOINT OFFSET MOD 2 only This value is the number of degrees plus or minus that you want the temperature to be offset from the MOD 1 setpoint See Fig 76 For example If you want the MOD 2 setpoint to be 10 F less than the MOD 1 setpoint enter 10 F 1 From the menu use the p and q buttons to highlight OFFSET 2 Press the u button to display the value 3 Use the p and q buttons to increase decrease the desired temperature OFFSET Default 0 F OFFSET Range 150 F to 150 F 101 C to 66 C 4 Press the u button to accept the value and display the next option 3 3 2 Second Modulating Output and Relays Programming To complete the programming of MOD 2 or a Relay perform the procedures in 3 2 5 THROTTLING RANGE or DIFFERENTIAL through 3 2 7 SETBACK OFFSET if configured beginning on page 31 3 4 Exit Programming with Reset When you finish programming the Modulating outputs and the Relays press the HOME button to leave programming mode and return to the home screen This completes the programming procedure for controllers
11. Minimum boiler temperature desired is 160 F when the outdoor temperature is 70 F With the above settings example when the outdoor temperature is 50 F the effective setpoint is 180 F Setback optional Example see Fig 66 Setback of 10 F is used to drop the temperature at night by 10 F With the above settings example when the outdoor temperature is 50 F the effective setback setpoint is 170 F 180 F setpoint minus the 10 F setback NOTE A single reset curve is programmed for the MOD 1 output and is used by all outputs setup with RESET YES 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER N 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 common since setback is normally below setpoint If this is not desired either do not use setback or adjust the min and max values entered so that critical setpoints are not exceeded in the setback mode When Reset is programmed the home screen displays the calculated Heat Cool setpoint s for the Mod and Relay outputs based on the reset curve See Fig 22 on page 12 MOD 1 RESET YES OTHER AND DI OPTION SETBACK MOD 1 RESET YES BOILER AND DI OPTION SETBACK MENU PROGRAM MOD 1 PROGRAM Le BOILR MAX gt OUTSD MIN BOILR MIN OUTSD MAX
12. Wiring Connections Access To access the wiring connections remove the two screws on the left side of the enclosure and gently swing open the top Be careful to not stress the ribbon cables that connect the keypad and LCD display to the controller circuit board Temperature Sensor Wiring N CAUTION Electrical Shock Hazard Can short equipment circuitry Make sure that metal tube of sensor does not short against T terminals in wall mounted case IMPORTANT Poor wiring practices can cause erratic readings from the sensor Avoid the following to ensure proper operation Do not route the temperature sensor wiring with building power wiring Donotlocate the temperature sensor wiring next to control contactors Donotlocate the temperature sensor wiring near electrical motors Donotlocate the temperature sensor wiring near welding equipment Make sure good mechanical connections are made to both the sensor and the controller Do not mount the sensor with the lead wire end pointing up in an area where condensation can occur If any of the above conditions cannot be avoided use shielded cable NOTE EachT775 controller must be wired to its own sensor s However a benefit of the T775 controller s accuracy is that there is no more than a 2 F differential between any two T775 controllers Reset Temperature Control If you are implementing two sensor reset control Sensor A must always be the controlled t
13. that use Reset 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER 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 first enter Setup mode press and hold the MENU button for 5 seconds select OUTPUTS select OPTIONS select USE SCHED and then select YES see 1 3 3 1 USE SCHED on page 22 IMPORTANT To properly account for Daylight Saving time be sure to set the Date before setting the Time See 4 2 2 SET DATE on page 35 NOTE The T775U controller interface is intuitive You may find that you do not need the following scheduling instructions You may want to use this procedure simply as a reference to locate the particular option or parameter of interest NOTE Each output is independently configurable to follow the schedule or not For modulating outputs see 1 3 1 5 SCHEDULE on page 20 For relay outputs see 1 3 4 1 SCHEDULE on page 25 NOTES MENU lt SCHEDULE MENU gt g OPTIONS gt MON FRI SAT SUN MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY SUNDAY EXIT M24620 Fig 77 Schedule Menu MENU MENU L SCHEDULE SCHEDULE gt GS lt 4 OPTIONS SET TIME gt SET DATE DAYLIGHT EXIT M24621 Fig 78 Schedule Options Menu 62 0255
14. 200 200 40 din WC 16 13 2 0 68 1 38 2 06 nches 20 i 4 in W C W C 18 21 0 1 10 2 18 3 28 Paor 2 000 3000 5000 500Pa kPa 20 33 5 174 3 48 5 22 kPa 22 52 8 2 74 5 48 8 22 o a m 199 i Im This is the distance from the controller to the sensor The calibration value is set in section 1 2 2 3 CALIBRATE Sensor A or B on page 17 Temperature Sensor Calibration As wire length increases resistance increases and thus the temperature reading increases If necessary calibrate the sensor input by reducing the value by the amount shown in the Table 4 on page 11 For example a wire run with 18 gauge wire of 1 000 feet requires a calibration offset of 6 0 F IMPORTANT If the calibration value in the table exceeds the controller s calibration limits of 10 F 6 C you must use a heavier gauge wire For example with a wire run of 1 000 feet you must use 20 AWG wire or heavier in order to cal ibrate for wire loss within the limits of the control ler See 1 2 2 3 CALIBRATE Sensor A or B on page 17 for the instructions to enter the calibration value NOTE Theresistance output on the temperature sensors change at the rate of 2 2 Ohms per F 3 85 Ohms per C Table 4 Temperature Sensor Calibration for Resis tance Loss due to Wire Length Temperature Offset in AWG F Feet Rating m ft 200ft 500 ft 1 000 ft 14 2 5 0 46 1 14 2 28 16 4 0 0
15. 6 1996 A1 2001 EN 61000 4 8 1993 A1 2001 EN 61000 4 11 2nd Ed 2004 Safety Compliance UL 60730 1 for US and Canada FCC Compliance Statement This equipment has been tested and found to comply with limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide 39 reasonable protection against harmful interference in residential installations This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television equipment reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Move the equipment away from the receiver Plug the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio television technician for additional suggestions You are cautioned that any change or modifications to the equipment not expressly approve by the party responsible for compliance could void Your authority to operate such equipment This device complies with
16. 60 F 51 C or above 270 F 132 C The displayed value remains at that displayed limit and control continues Controller continues to function unless an open or shorted state is detected Blinking relay status Relay Minimum Off Time is Active On the home screen each relay s indicator blinks while the relay s minimum off time is active SPECIFICATIONS Power 24 120 or 240 Vac 50 60 Hz A separate earth ground is required for any power source Power Consumption 8 VA maximum at 60 Hz 10 VA maximum at 50 Hz Operating amp Storage Temperature Ambient Rating 40 F to 125 F 40 C to 52 C 50 Hz e 40 F to 140 F 40 C to 60 C 60 Hz Relative Humidity 5 to 95 non condensing Relay Contact Output Ratings N O and N C 1 2 hp 9 8 AFL 58 8 ALR 120 Vac 1 2 hp 4 9 AFL 29 4 ALR 240 Vac 125 VA pilot duty 120 240 Vac 10A 24 Vac resistive Modulating Outputs 0 10 Vdc drive a minimum of 2 000 Ohms 2 10 Vdc drive a minimum of 2 000 Ohms 4 20 mA drive a maximum of 600 Ohms Electronic Series 90 Floating T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER 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 2002 EN 61000 4 4 2004 EN 61000 4 5 1995 A1 2001 EN 61000 4
17. Part 15 of the FCC Rules Operation is subjected to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER Automation and Control Solutions Honeywell International Inc 1985 Douglas Drive North Golden Valley MN 55422 customer honeywell com U S Registered Trademark 2012 Honeywell International Inc 62 0255 09 M S Rev 05 12 Printed in United States Honeywell
18. THROT RNG ACTION SETBACK EXIT RESET B1 SP MIN A2 RESET B2 THROT RNG ACTION SETBACK EXIT M24571 Fig 67 Setpoint Values for Reset and Setback MENU PROGRAM L gt MOD 1 gt BOD SP maxa 210 ENTER MAXIMUM SETPOINT FOR SENSORA gt Fig 68 Program Sensor A Max Setpoint MENU PROGRAM PROGRAM L MOD 1 MOD 1 gt GSS lt RESET B1 20 ENTER SENSOR B VALUE FOR MAXIMUM SETPOINT gt 62 0255 09 M24572 M24573 30 F 220 SP MAX A1 BOILER MAX 210 S E 200 N 190 S o 180 R N NY A 170 SETBACK OFFSET SP MIN A2 160 10 F BOILER MIN E 150 Di Lu M0 I 734 I 1 10 20 30 40 50 60 70 80 F RESET B1 RESET B2 OUTSD MIN OUTSD MAX SENSOR B MEAE Fig 66 Reset Curve for MOD 1 with Setback Offset 3 2 Program Menus for Outputs with Reset Press the MENU button select PROGRAM then highlight MOD 1 and press the u button to view the parameters The Reset curve settings Fig 68 through Fig 71 are programmed for the first output MOD 1 and these settings apply to all outputs that are configured for Reset See Fig 66 for the reset curve values used in the following section NOTE The Setback parameter displays only if scheduling is enabled see Fig 48 on page 22 or the DI Option is set to Setback see Fig 50 on page 24 3 2 1 SP MAX A1 or BOILER MAX Setpoint maximum for Sensor A 1 From the menu use the p and
19. Temperature Sensor s Mounting and Location Temperature sensors may be located up to 1 000 feet 304 m from the T775U controller See Table 4 on page 11 for calibration guidelines The sensors may be mounted on a wall or panel for sensing space temperature strapped to a pipe or inserted in an immersion well see Fig 2 for hot or cold water sensing or taped to a standard cap or bulb holder for duct air sensing To prevent moisture or condensation entering the sensor through the lead wire holes mount the sensor with the lead wires exiting the bottom of the sensor NOTES T The included sensor is not designed for very wet applications For immersion applications an immersion well is used 2 Heat conductive compound must be used in immersion wells 3 See Temperature Sensors Sensor A or B on page 2 for this type of installation SENSOR USE HEAT PLACED CONDUCTIVE IN WELL COMPOUND MERE 1 2 NPT IMMERSION WELL M24379 Fig 2 Sensor inserted in immersion well NOTE Multiple sensors may be parallel series wired to sense average temperatures in large spaces See Fig 3 on page 5 62 0255 09 WIRING All wiring must comply with applicable electrical codes and ordinances or as specified on installation wiring diagrams Controller wiring is terminated to the screw terminal blocks located inside the device The remainder of this section describes the sensor wiring and the T775U controller wiring
20. effective setpoint IMPORTANT After four minutes of inactivity no buttons pressed the LCD display reverts to the home screen display Accessing the Menus Menus are used for programming scheduling viewing the summary settings and setup of advanced options T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER Program Schedule and Summary Menus To access these menus from the home screen press the MENU button See Fig 23 MENU DISPLAY WHEN MENU DISPLAY WHEN SCHEDULING IS SET SCHEDULING IS NOT SET PROGRAM gt SCHEDULE SUMMARY EXIT MOD2 DI ON M24565 Fig 23 Menus Depending on whether scheduling is enabled or not the LCD displays one of two menus as shown in Fig 23 Scheduling is enabled from the Setup menu s Output settings see 1 3 3 1 USE SCHED on page 22 Setup Menu To access the Setup menu press and hold the MENU button for five seconds See Fig 24 SETUP OUTPUTS EXIT MOD1 MOD2 DI ON 40 60 gt SECONDS o o o Fig 24 Setup Menu M24566 Using the Menus When you are working with the menus use the Left arrow button t to scroll backward through the menus Right arrow button u to select the highlighted menu item and display its content Up and Down arrow buttons p and q to scroll up and down through a list of items or to increase or decrease the value of a displayed parameter NOTES de If you press the HOME button
21. following procedures depending on whether the Reset function is to be used Program the Outputs for No Reset see 2 Programming Outputs MOD and Relay with No Reset on page 26 Program the Outputs for Reset see 3 Programming Outputs MOD and Relay with Reset on page 29 When programming is complete you may continue with 4 Scheduling on page 34 62 0255 09 1 SETUP Setup provides the ability to change the factory default settings for the temperature sensors and outputs to enable disable reset control and to enable disable scheduling NOTE 1 The T775U controller interface is intuitive You may find that you do not need the following setup instructions for the sensors and out puts You may want to use this procedure sim ply as a reference to locate the particular option or parameter of interest If you press the HOME button or there is no keypad activity for four minutes you exit Setup mode and return to the home screen If you press the MENU button you exit Setup mode and return to the menu Once in Setup mode you use the Left arrow button t to scroll backward through the Setup menus Right arrow button u to select the highlighted menu item and display its content Up and Down arrow buttons p and q to scroll up and down through a list of items or to increase or decrease the value of a displayed setup parameter T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER Setu
22. increase decrease the desired value for the month day and year Press the t button to accept the Date and return to the Options menu 4 2 3 DAYLIGHT daylight saving time 1 2 From the Options menu use the p and q buttons to highlight DAYLIGHT Press the u button to display the current system set ting for daylight saving time Use the p and q buttons to select YES or NO Default YES Press the u button to accept the value and return to the Options menu From the Options menu use the Use the p and q buttons to highlight EXIT Press the u button to return to the Schedule menu 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER MENU MENU L SCHEDULE SCHEDULE Le lt MON FRI E1 TIME E2 SETPT E2 TIME EXIT M24625 Fig 82 Schedule Event Menu Showing MON FRI MAIN MENU L SCHEDULE SCHEDULE L MON FRI MON FRI EuuE lt 1 SETPT SETPOINT gt SETBACK NOT USED SELECT SETPOINT FOR EVENT 1 gt M24626 Fig 83 Schedule Event 1 Setpoint 62 0255 09 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 e Monday through Friday Saturday and Sunday Individual days of the week 1 From the Schedule menu use the p and q buttons to highlight the desired time period 2 Press the u button to display the Schedule menu for the selected time period Fo
23. next option PON 3 2 7 SETBACK OFFSET if configured The Setback temperature option displays only if scheduling is enabled see Fig 48 on page 22 or the DI Option is set to Setback see Fig 50 on page 24 This value is the number of degrees plus or minus that you want the temperature to be offset from the setpoint For example If you want the temperature to be 10 F less than the setpoint during setback mode enter 10 F In normal operations for heating the offset will be negative For cooling the offset will be a positive value 1 From the menu use the p and q buttons to highlight SETBACK 2 Usethe p and q buttons to increase decrease the desired setpoint temperature Default 0 F Range 150 F to 150 F 101 C to 66 C 3 Press the u button to accept the value and display the menu This completes the programming of the MOD 1 output To program the second Modulating output and the two relays continue with 3 3 Second Modulating Output and Relays T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER MENU PROGRAM MOD2 lt 4 OFFSET MENU PROGRAM PROGRAM Lp 4 MOD2 THROT RNG ACTION SETBACK EXIT SETPOINT M24547 Fig 75 Program Setpoint Offset MOD 2 only F 220 SP MAX A1 BOILER MAX 210 S MOD 1 E 200 77 x SETPOINT N 190 S o 180 R X A 170 4 BN MOD2 7 gt SP MIN A2 160 SETPOINT S BOILER MIN OFFSET x 150 10 F LL LLL LU
24. or there is no keypad activity for four minutes you exit Program mode and return to the home Screen If you press the MENU button you exit and return to the menu PROGRAMMING OVERVIEW The controller must be programmed before being placed into service IMPORTANT During programming the controller is live at all times For example the contacts may open and close when adjusting the setpoint The Programming 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 NOTES 1 The T775U controller interface is intuitive You may find that you do not need the following procedure instructions to program the control ler You may want to use this procedure sim ply as a reference to locate the particular option or parameter of interest The menus can display only those relays that are defined in Setup see 1 3 2 NBR OF RELAYS on page 22 For example if you configure only one relay then only one relay displays on the appropriate menus If you press the HOME button or there is no keypad activity for four minutes you exit Pro gram mode and return to the home screen If you press the MENU button you exit Program mode and return to the menu Setpoint and Differential The following describes the relationship between setpoint and differential for heating and cooling These settings are programmed for each output relay In heating mode
25. page select Product Selection Tool under Products Spring return models ML6425 ML7425 MS4105 MS4110 MS4120 MS7505 MS7510 MS7520 MS8105 MS8110 MS8120 e Non spring return models ML4161 ML6174 ML7161 MN6105 MN1010 MN7505 ML7164 MN8810 Accessories e 107324A Bulb Holder duct insertion e 107408 Heat Conductive Compound 4 ounce e 50001774 001 Immersion Well stainless steel 304 1 2 in threading Product Changes Below are the changes to T775U models starting with Series 3 March 2009 Series 3 can be identified by the sideways 3 after the part number on the device label 1 Setpoint and Enable options added to the DI options 2 0 5 Vdc sensor inputs are now available for both models 3 MIN ON time added 4 HIDE option added to MOD1 and MOD to hide them on the home screen 5 PPM and None added to sensors unit of measure 6 With the new T775U2016 model all outputs can be controlled to Sensor A or Sensor B The T775U2006 model controls only to Sensor A T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER Controller Dimensions 1 255 A 718 225 Y 2 156 74 e LEFT je 4 13 32 112 1 44 16 103 4 1 64 3 8 Pdl ry 8 5 32 207 1 7 23 32 4 1 16 103 4 2 11 16 48 1 L ep 4 gt lt gt 112 124 3 31 32 101
26. q buttons to highlight BOILER MAX or SP MAX A1 2 Press the u button to display the maximum setpoint value 3 Use the p and q buttons to increase decrease the desired maximum setpoint temperature Default 180 F 82 C Range 40 F to 248 F 40 C to 120 C 4 Press the u button to accept the setpoint tempera ture and display the next option Fig 69 Program Sensor B Max Setpoint T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER 3 2 2 RESET B1 or OUTSD MIN Sensor B value when at SP MAX A1 Setpoint 1 From the menu use the p and q buttons to highlight RESET B1 or OUTSD MIN 2 Press the u button to display the setpoint value MENU PROGRAM PROGRAM L gt MOD 1 MOD 1 gt BOO SP Min A2 160 ENTER MINIMUM SETPOINT FOR SENSOR A gt M24574 Fig 70 Program Sensor A Min Setpoint MENU PROGRAM PROGRAM Le MOD 1 MOD 1 gt FESS lt RESET B2 70 ENTER SENSOR B VALUE FOR MINIMUM SETPOINT gt M24575 Fig 71 Program Sensor B Min Setpoint MENU PROGRAM PROGRAM Le MOD 1 MOD 1 Lp PTS gt _ 4 THROT RNG 20 ENTER THROTTLING RANGE FOR FOR MOD 1 gt M24577 Fig 72 Program Throttling Range or Differential 31 3 Use the p and q buttons to increase decrease the desired setpoint temperature Default 10 F 12 C Range 40 F to 248 F 40 C to 120 C 4 Press the u button to accept the value and display the next option 3 2 3 SP MIN
27. reverse acting mode and humidify mode the differential falls below the setpoint The relay de energizes when the temperature rises to the setpoint As the temperature drops to the setpoint minus the differential the relay energizes In cooling mode direct acting mode and dehumidify mode the differential falls above the setpoint The relay de energizes when the temperature falls to the setpoint As the temperature rises to the setpoint plus the differential the relay energizes Setpoint High Limit You can set an irreversible setpoint high limit maximum value for any single displayed setpoint value Adjust the setpoint at any output to the desired maximum setpoint Then simultaneously press the HOME t and u buttons and continue to press all three buttons for five seconds to set the setpoint high limit maximum to this value NOTE You must press all three buttons at exactly the same time for this action to occur 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER 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 adversely affects the control of your system you must replace the controller Programming the T775U Controller To program the controller perform the setup configuration see 1 Setup and then select one of the
28. the Min Out 96 3 Use the p and q buttons to increase decrease the desired value from 0 to 100 in 1 increments Default 0 Range 0 to 100 4 Press the u button to accept the percentage and return to the Mod menu 1 3 1 3 INTEGRAL 1 From the Mod menu use the p and q buttons to highlight INTEGRAL 2 Press the u button to display the Integral seconds 3 Use the p and q buttons to increase decrease the value from 0 to 3 600 in 10 second increments Default 400 seconds Range 0 to 3 600 seconds 4 Press the u button to accept the seconds and return to the Mod menu See the Notes on page 20 for Integral timing information 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER NOTES Integral Timing 1 The Integral time is factory set for 400 seconds This is a good middle range and should satisfy many applications The integral time can be increased for applications where sensed response is slow and can be decreased for applications where sensed response is fast e g discharge air control As a starting point an optimal integral time for discharge air typically ranges from 12 to 200 seconds An optimal integral time for room control typically ranges from 60 to 2 500 seconds The purpose of integral action is to reduce or eliminate SETUP SETUP Lm OUTPUTS OUTPUTS L MOD 1 MOD 1 _ DER lt 4 DERIVATIV ENTER DERIVATIVE TIME FOR MOD 11 gt M24603 Fig 41 Setup Outputs Mod Out Deri
29. 09 34 1 If you press the HOME button or there is no keypad activity for four minutes you exit Scheduling mode and return to the home Screen If you press the MENU button you exit Scheduling mode and return to the menu To create or change a schedule you use the Left arrow button t to scroll backward through the Setup menus Right arrow button u to select the highlighted menu item and display its content Up and Down arrow buttons p and q to scroll up and down through a list of items or to increase or decrease the value of a displayed setup parameter Creating a Schedule To create a schedule perform the following in the order listed 1 Enable Scheduling in Setup mode see 1 3 3 1 USE SCHED on page 22 2 Enter Schedule mode see 4 1 Entering Sched ule Mode 3 Set the Schedule Options see 4 2 OPTIONS 4 Set Individual Schedules begin with 4 3 Setting Individual Schedules on page 36 5 Exit Schedule Mode see 4 4 Exiting Scheduling Mode on page 37 4 1 Entering Schedule Mode Press the MENU button then select SCHEDULE and press the u button to view the Schedule menu 4 2 OPTIONS 1 From the Schedule menu use the p and q buttons to highlight OPTIONS 2 Press the u button to display the Options menu T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER MAIN MAIN L SCHEDULE SCHEDULE L OPTIONS OPTIONS Le SET TIME 4 SETTIME 08 12 AM
30. 72 1 82 3 64 18 6 4 1 16 2 90 5 82 20 10 2 1 86 4 64 9 28 already accounts for round trip distance Fig 20 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 RESISTANCE OHMS 1489 1403 1317 1231 1145 1059 973 887 801 40 20 0 20 40 60 80 100 120 140 160 180 200 220 250 F 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 120 C TEMPERATURE DEGREES A POSITIVE TEMPERATURE COEFFICIENT PTC OF 2 1 OHMS PER F M24304 Fig 20 Sensor Resistance vs Temperature INTERFACE OVERVIEW The T775U controller uses an LCD panel and 6 button keypad to provide status information and permit user input of the programming setup and scheduling parameters The following figure describes the display areas of the LCD and the keypad 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER HOME RELAYS 1 2 MENU AREA ON m A DATAAREA LOCK ICON a __ 6 BUTTON KEYPAD o o oases 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 selecti
31. 9 beginning on page 9 for typical T775U wiring applications Fig 11 T775U Terminal and Feature Locations d ISCc T KNOCKOUT A MOD 1 M5 E A Wto MOD 2 ao WtO DIGITAL INPUT KNOCKOUT B POWER 24 VAC OUTPUT RELAY 1 KNOCKOUT C O 1 eX Ss 0 pet SENSOR A ov A gH SENSORB POWER 120 240 VAC OUTPUT RELAY 2 KNOCKOUT D KNOCKOUT E A WHEN USED FOR TEMPERATURE OR 4 20mA SENSING SENSORS A AND B USE THE TWO TT CONNECTIONS AND ARE POLARITY INSENSITIVE A FOR MOD 1 AND MOD 2 CURRENT mA OR VOLTAGE VDC OUTPUT USE SIGNAL amp COMMON FOR MOD 1 AND MOD 2 SERI J IES 90 OUTPUT USE W R amp B A A SEPARATE EARTH GROUND IS REQUIRED FOR ANY POWER SOURCE 24 120 OR 240 VAC Table 2 Description of Wiring Terminal Connections M24553A For applications that do not use Reset only Sensor A is available for use gt For Series 90 connections you must insert a 340 Ohm resistor across terminals R and W See Fig 18 on page 10 The resistor is included with the controller A separate earth ground is required for all installations regardless of the power source 24 120 or 240 Vac 62 0255 09 Terminal Connection Label Description Connection Terminal Label Description Sensors Outputs C common
32. A 1097 OHM PTC TEMPERATURE SENSOR A SENSOR B IS USED ONLY IN RESET APPLICATIONS ON THE T775U20006 M24549A Fig 4 Sensor Wiring 2 wire shielded cable connection from Sensor A to temperature sensor Humidity Pressure and Universal Sensor Wiring Sensors with a 0 5 Vdc 0 10Vdc or 4 20mA input to the T775U must be wired to the Sensor A terminal Sensor B is used only as a temperature input Sensors use standard AWG 18 unshielded wire For cable runs greater than 25 feet shielded cable is recommended The sensors in Fig 5 8 beginning on page 6 are examples and illustrate voltage and current wiring for 3 wire and 2 wire sensors to the Sensor A terminal For terminal wiring details see Fig 11 and Table 2 on page 8 Other sensors are supported See sensor descriptions on page 2 NOTES 1 Other transmitters can be wired in the same manner For example the 0 10Vdc wiring shown in Fig 5 on page 6 with the H76XX sensor can also be done with the P7640 or any other transmitter 2 The T775U V terminal outputs 18 Vdc 5 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SHIELDED CABLE NOTES Ss 1 SHIELDED CABLE MUST BE ove SERSOR A CONNECTED TO A SEPARATE OTL EARTH GROUND HOWEVER SENSOR B DO NOT GROUND SHIELDED CABLE AT SENSOR END 2 TO MINIMIZE NOISE PICKUP MAKE SENSOR CONNECTION FROM SHIELDED CABLE AS CLOSE AS POSSIBLE TO
33. A2 or BOILER MIN Setpoint minimum for Sensor A 1 From the menu use the p and q buttons to highlight BOILER MIN or SP MIN A2 2 Press the u button to display the setpoint value 3 Use the p and q buttons to increase decrease the desired minimum setpoint temperature Default 140 F 60 C Range 40 F to 248 F 40 C to 120 C 4 Press the u button to accept the setpoint tempera ture and display the next option 3 2 4 RESET B2 or OUTSD MAX Sensor B value when at MIN A2 Setpoint 1 From the menu use the p and q buttons to highlight RESET B2 2 Press the u button to display the setpoint value 3 Use the p and q buttons to increase decrease the desired setpoint temperature Default 60 F 16 C Range 40 F to 248 F 40 C to 120 C 4 Press the u button to accept the value and display the next option 3 2 5 THROTTLING RANGE or DIFFERENTIAL Throttling Range displays for Modulating outputs Differential is used for the Relay outputs 1 From the menu use the p and q buttons to highlight THROT RNG or DIFFERNTL 2 Press the u button to display the throttling range value 3 Use the p and q buttons to increase decrease the desired value Default 20 F 6 6 C Range 1 F to 150 F 1 C to 66 C 4 Press the u button to accept the value and display the next option The Throttling Range brackets the setpoint setting e g if the setpoint is 72 F and the throttling range is 10 F then the effective thro
34. B 2 TO MINIMIZE NOISE PICKUP MAKE SENSOR CONNECTION FROM SHIELDED CABLE AS CLOSE AS POSSIBLE TO SENSOR BODY E P7640A PRESSURE SENSOR 0 10 VDC CONNECTION M24551 Fig 7 Sensor Wiring 2 wire shielded cable connection from Sensor A to a 0 10 Vdc sensor using separate transformer EXAMPLE OF P7640A 4 20 MA SENSOR CONNECTION PWR OUT COM ZERO 12 30 VDC POWER SUPPLY SHIELDED CABLE S lo Vj SENSOR A SENSORB NOTES 1 SHIELDED CABLE MUST BE CONNECTED TO A SEPARATE EARTH GROUND HOWEVER DO NOT GROUND SHIELDED CABLE AT SENSOR END 2 TO MINIMIZE NOISE PICKUP MAKE SENSOR CONNECTION FROM SHIELDED CABLE AS CLOSE AS POSSIBLE TO SENSOR BODY M24889A Fig 8 Sensor Wiring 2 wire 4 20mA sensor input to T775 controller using a separate Vdc only transformer T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER Controller Wiring A 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 CAUTION Do not use 24 Vac power to power any external loads if 120 Vac or 240 Vac is used to power the T775U N CAUTION A separate earth ground is required Equipment damage can result
35. ENSORA gt UE lt 4 UNITS DEGC SELECT UNITS FOR SENSORA Fig 29 Setup Sensors Sensor A Units SETUP SETUP L SENSORS SENSORS L SENSORA SENSORA gt Ci UNITS SELECT UNITS FOR SENSORA gt Fig 30 Setup Sensors Sensor A Units 62 0255 09 M24589A M24591A 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 highlight the desired value PT1000 1097 PTC 0 5V 0 10V or 4 20MA Default PT1000 NOTE The default label PT1000 refers to a 1097 PTC temperature sensor 4 Press the u button to accept the units and return to the Sensor A selections 5 For PT1000 1097 PTC temperature sensors go to 1 2 2 2 1 UNITS Sensor A or B PT1000 1097W PTC For 0 5V 0 10V and 4 20MA sensors go to 1 2 2 2 2 UNITS Sensor A only 0 5V 0 10V or 4 20mA 1 2 2 2 1 UNITS Sensor A or B PT1000 1097 PTC If Sensor A is configured for F or C units then the units selection does not appear for Sensor B since Sensor B uses the units specified for Sensor A 1 From the Sensor A selections use the p and q but tons to highlight UNITS Press the u button to display the temperature units Use the p and q buttons to highlight F or C Default F Fahrenheit 4 Press the u button to accept the units and return to the Sensor A selecti
36. Honeywell T775U Series 2000 Electronic Stand Alone Controller Honeywell INSTALLATION INSTRUCTIONS PRODUCT DESCRIPTION The T775 electronic stand alone controllers are the next generation of universal controls capable of remote sensing of temperature humidity pressure etc and providing switched and proportional outputs to various types of loads A built in time clock is standard The T775U controller allows a wide range of sensors to be configured Humidity pressure temperature or any 0 5 Vdc 0 10 Vdc or 4 20 mA input is supported A Reset function is available where the Sensor B temperature e g outside temperature is used to provide reset control for Sensor A e g humidity For example as the outside temperature gets colder the setpoint can automatically be adjusted to prevent condensation IMPORTANT The T775U is an operating control not a limit or safety control If used in applications requiring safety or limit controls a separate safety or limit control device is required Table 1 T775U Controller Configurations Controller Model T775U2006 T775U2016 SPDT Analog Nbr of Output Relay Mod Sensor Sensors Description Replaces Reset Outputs Outputs Inputs Included Enclosure H775A1006 Yes 2 2 od None NEMA 1 H775A1022 H775A1048 Universal H775A1063 Humidity H775B1005 Pressure H775C1004 Temperature H775D1003 etc H775E1002 N A Yes 2 2 2e None NEMA 1
37. L 2 Press the u button to display the label list 3 Usethe p and q buttons to scroll through the list and highlight the desired label You may need to scroll up or down to view all possi ble labels 4 Use the u button to accept the highlighted label and exit the list NOTE The label names in list order are Sensor Boiler Outdoor Duct Dischrg Chiller Room Supply Return and Animals 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SETUP SENSORS lt 4 SENSORA UNITS CALIBRATE LABEL EXIT gt M24596 Fig 34 Setup Sensors Sensor A Exit SETUP L SENSORS SETUP lt SENSORS SENSORS SENSORA SENSOR B gt EXIT M24597 Fig 35 Setup Sensors Sensor B Menu SETUP L OUTPUTS Le TYPE gt MIN OUT INTEGRAL DERIVATIV SCHEDULE RESET HIDE EXIT M24599A Fig 36 Setup Outputs Menu 62 0255 09 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 1 2 3 SENSOR B Temperature only 1 2 3 SENSOR B Temperature only For two sensor reset control Sensor B must always be the controlling temperature For example in a reset control based on outside temperature Sensor B must be the outside sensor NOTE Sensor B is available only for reset on the T775U2006 but can be contro
38. L OUTPUTS OUTPUTS L MOD 1 MOD 1 gt ITA 4 MIN OUT ENTER MINIMUM PERCENT FOR MOD 1 gt M24601 Fig 39 Setup Outputs Mod Out Minimum Output Percentage SETUP OUTPUTS L MOD 1 Le INTEGRAL SETUP lt 4 INTEGRAL 400 ENTER INTEGRAL TIME FOR MOD1 M24602 Fig 40 Setup Outputs Mod Out Integral 1 3 1 Setting up the Modulating Outputs 1 From the Output menu use the p and q buttons to highlight the desired modulating output MOD 1 or MOD 2 2 Press the u button to display the selected MOD menu Use the remaining procedures beginning with 1 3 1 1 TYPE of output signal to set up each modulating output If you have two modulating outputs repeat these procedures for each modulating output 1 3 1 1 TYPE of output signal 1 From the Mod menu use the p and q buttons to highlight TYPE 2 Press the u button to display the Type selections 3 Use the pand q buttons to highlight the desired out put type Default 4 20 mA 4 Press the u button to accept the selected type and return to the Mod menu 1 3 1 2 MIN OUT The minimum output prevents the output from dropping below the value entered This value can be useful to maintain minimum damper position Using the time clock or digital input to disable the output forces the output to 0 1 From the Mod menu use the p and q buttons to highlight MIN OUT 2 Press the u button to display
39. Output Options setup see page 22 When selected individual outputs default to follow the schedule 1 Press the u button to display the Schedule values 2 Use the p and q buttons to select YES or NO Default YES 3 Press the u button to accept the value and return to the Relay menu An individual output can be selected to be controlled or not controlled by the schedule If NO is selected the Setback selection does not appear in the Program menu for this output 1 3 4 2 RESET IMPORTANT For relays to use the Reset function of the con troller both modulating outputs MOD 1 and MOD 2 must be set for Reset Relays that have Reset set to YES use the reset curve configured for MOD 1 1 Press the u button to display the Reset values Use the p and q buttons to select YES or NO Default NO 3 Press the u button to accept the value and return to the Relay menu f you select YES then all other outputs display this Setup option and will use the reset curve programmed for the first output f you select NO then No Reset is configured for that output and all other subsequent outputs 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SETUP SETUP L OUTPUTS OUTPUTS L RELAY 1 RELAY 1 gt pm RESET RT YES RESET RUN TIME FOR RELAY Ay M24617 Fig 56 Setup Outputs Relay Reset Runtime SETUP OUTPUTS lt RELAY 1 RESET SCHEDULE RESET RT EXIT gt M24618
40. R WIRING SECTIONS BEGINNING ON PAGE 4 TRES Fig 12 Wiring for Two stage Control 24 Vac Input and 24 Vac Load HONEYWELL MODUTROL MOTOR WITH 4 20 mA MODULATING INPUT MODULATING OUTPUT TERMINAL MOD 1 A USE SEPARATE TRANSFORMER FOR 1775 WHEN USING 24 VAC M24557B Fig 13 Wiring for mod motor or direct coupled actuator with 4 to 20 mA control input A FOR SPECIFIC SENSOR WIRING TEMPERATURE HUMIDITY PRESSURE ETC REFER TO THE SENSOR WIRING SECTIONS BEGINNING ON PAGE 4 Masi Fig 14 Wiring for Two stage Control with 120 Vac 120 Vac Input and 120 Vac Load OC T N les T IS v boo C 240V COM 356 oso Loa O N NO NO NO COM o o NO LOAD 2 Onc NC COM LOAD 1 A FOR SPECIFIC SENSOR WIRING TEMPERATURE HUMIDITY PRESSURE ETC REFER TO THE SENSOR WIRING SECTIONS BEGINNING ON PAGE 4 M33845 Fig 15 Wiring for Two stage Control with 240 Vac 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER DIGITAL INPUT M24559 Fig 16 Wiring for Digital Input dry contact HONEYWELL MODUTROL MOTOR WITH VOLTAGE CONTROL INPUT A POWER
41. SENSOR BODY EXAMPLE OF H76XX HUMIDITY SENSOR 0 10 VDC CONNECTION TN THE T775U WILL ONLY ACCEPT 0 10 VDC AND 4 20 MA SENSORS IF REPLACING AN H775 CONTROLLER THAT USES A C7600B OR OTHER 2 10 VDC SENSOR THE SENSOR MUST BE REPLACED REPLACE THE C7600B2008 SENSOR 2 10VDC OUTPUT WITH THE H7655A1001 0 10 VDC OUTPUT SENSOR THE H7655A1001 SENSOR USES THE SAME ENCLOSURE STYLING AND WIRING AS THE C7600B M24550 Fig 5 Sensor Wiring 3 wire shielded cable connection from Sensor A to 0 10 Vdc sensor H76xx humidity sensor shown SHIELDED CABLE A oA o V4 SENSOR A SENSOR B A SHIELDED CABLE MUST BE CONNECTED TO A SEPARATE EARTH GROUND DO NOT GROUND SHIELDED CABLE AT SENSOR END TO MINIMIZE NOISE PICKUP MAKE SENSOR CONNECTION FROM SHIELDED CABLE AS CLOSE AS POSSIBLE TO SENSOR BODY THE T775 HAS AN INTEGRAL LOAD OF 500 OHMS WHICH RESULTS INA 10V DROP AT 20MA TO USE 4 20MA LOOP POWERED WIRING THE SENSOR MUST BE CAPABLE OF OPERATION WITH 8V OR LESS ACROSS ITS TERMINAL M24890C Fig 6 Sensor Wiring 2 wire shielded cable connection from 4 20 mA sensor to T775 controller loop powered wiring 62 0255 09 SHIELDED CABLE NOTES 1 SHIELDED CABLE MUST BE CONNECTED TO A SEPARATE EARTH GROUND HOWEVER DO NOT GROUND SHIELDED CABLE AT SENSOR END SENSOR
42. Sensor A when its type is 0 5V 0 10V or 4 20MA 1 From the Sensor A selections use the p and q but tons to highlight MIN VAL or MAX VAL 2 Press the u button to display the units 3 Use the p and q buttons to increase decrease the desired value Sensor Ranges F 60 0 to 270 0 C 51 0 to 132 0 PSI 500 to 500 IN WC 30 0 to 30 0 260 0 to 100 0 PA 3000 to 3000 KPA 3000 to 3000 PPM 0 to 9990 NONE 9999 to 9999 4 Press the u button to accept the units and return to the Sensor A selections 1 2 2 3 CALIBRATE Sensor A or B Ensure that the wire size calibration value is within the limits for the sensor Fortemperature sensors see Temperature Sensor Calibration on page 11 Forother sensors see Humidity Pressure and Universal Sensor Calibration on page 11 1 From the Sensor A selections use the p and q but tons to highlight CALIBRATE Press the u button to display the calibration value Use the p and q buttons to increase decrease the desired calibration value Default 0 0 Sensor Range Temperature 10 F 6 C Other Sensor Range 10 of the Min to Max values specified previously See Table 3 on page 11 for examples 4 Press the u button to accept the value and return to the Sensor A selections nN 1 2 2 4 LABEL Sensor A or B input For a sensor already labeled the display positions to and highlights that label 1 From the Sensor A selections use the p and q but tons to highlight LABE
43. TIONS gt SERIES UsEscHED YES USE SCHEDULE FOR OUTPUTS gt M24609 Fig 48 Setup Outputs Options Schedule 62 0255 09 22 1 3 2 NBR OF RELAYS 1 From the Outputs menu use the pand 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 the number from 1 to 2 4 Press the u button to accept the value and display the Outputs menu The number of relay outputs entered here determines how many relays display on the home screen 1 3 3 OPTIONS 1 From the Outputs menu use the pand q buttons to highlight OPTIONS 2 Press the u button to display the Options menu 1 3 3 1 USE SCHED Press the u button to display the schedule selections 2 Use the pand q buttons to highlight YES or NO Default NO 3 Press the u button to accept the value and display the MIN OFF option Selecting NO disables scheduling for all outputs Selecting YES enables scheduling for all outputs When YES is selected all individual outputs default to follow the schedule However each individual output can be removed from scheduling as desired With Scheduling enabled when you return to Program mode the new option for Scheduling displays You can press the HOME button and then the MENU button to view the Schedule options in the menu See 1 3 1 5 SCHEDULE on page 20 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER
44. al Pressure Sensors Sensor A only P7640A and PWT pressure transducer models with selectable pressure ranges can be used The controller accepts pressure sensors with a signal output of 0 10 Vdc or 4 20 mA for any output range within the following ranges the minimum and maximum for the sensor output range can be adjusted within the following limits 500to 500 PSI e 30 0to 30 0 inches w c e 3 000 to 3 000 Pa e 3 000 to 3 000 kPa Humidity Sensors sensor A only The controller accepts 0 10 Vdc or 4 20 mA input with a range of 0 100 H7625 H7635 and H7655 models available in 2 3 and 596 RH accuracy can be used CO Sensors The controller accepts a 0 10 Vdc or 4 20 mA input from C7232 and C7632 CO sensors and is settable in PPM units See form 62 0265 Temperature Sensors for the T775 Series 2000 Stand alone Controller 62 0255 09 Universal Sensors Sensor A only The controller accepts 0 5 Vdc 0 10 Vdc or 4 20 mA input for temperature pressure humidity COs etc They may be programmed in units of F C Pa kPa PSI In W C PPM or may be unitless none The PPM range is 0 to 9990 Choosing none for units results in no units being displayed on the home screen If no unit is specified the range is 9999 to 9999 Actuators For more information on compatible actuators or other Honeywell products such as dampers and valves go to www customer honeywell com From the home
45. e USE SCHED parameter is set to Yes see page 22 1 From the Mod menu use the p and q buttons to highlight SCHEDULE 2 Usethe p and q buttons to highlight YES or NO Default YES 3 Press the u button to accept the selection and return to the Mod menu Each output can be set up to follow or ignore the built in scheduler To disable the scheduler for all outputs see 4 3 3 1 USE SCHED on page 22 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SETUP SETUP L OUTPUTS OUTPUTS L MOD 1 MOD 1 gt BI 4 RESET YES BOILER YES OTHER M24605 Fig 43 Setup Outputs Mod Out Reset SETUP SETUP L OUTPUTS OUTPUTS Le MOD 1 MOD 1 4 HIDE YES gt NO HIDE MOD 1 ON HOME SCREEN 28656 Fig 44 Setup Outputs Mod 1 2 Hide DENEN TYPE MIN OUT INTEGRAL DERIVATIV SCHEDULE EXIT gt M24606 Fig 45 Setup Outputs Mod Out Exit 1 3 1 6 RESET This selection enables the controllers Reset function and allows each output to be individually programmed for Reset or No Reset IMPORTANT To use the Reset function of the controller the first modulating output MOD1 must be set for Reset here The RESET choice is offered for all outputs in setup mode and you can set any or all of them for Reset YES or Reset NO The default is Reset NO For the remaining outputs if Reset YES then these outputs use the reset curve programmed for the first output
46. emperature and Sensor B must always be the controlling temperature For example in a reset control based on outside temperature Sensor A must be the inside sensor and Sensor B must be the outside sensor Multiple Parallel Temperature Sensors Multiple sensors can be parallel series wired to sense average temperatures in large spaces To maintain control accuracy the number of sensors to be parallel series wired must be of the n power for example 4 9 16 etc See Fig 3 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SENSORS LL TO T775 CONNECTIONS SENSOR A OR SENSOR B M24548 Fig 3 Parallel series wiring of sensors A N 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 cable is recommended See Fig 4 Refer to Temperature Sensor Calibration on page 11 for wire size selection where cable runs are longer than 25 feet SHIELDED CABLE SENSORA NOTE SHIELDED CABLE MUST BE A CONNECTED TO A SEPARATE EARTH GROUND SENSOR B HOWEVER DO NOT GROUND SHIELDED CABLE AT SENSOR END SHIELDED CABLE SENSOR NOTE TO MINIMIZE NOISE PICKUP MAKE SENSOR CONNECTION FROM SHIELDED CABLE AS CLOSE AS POSSIBLE TO SENSOR BODY A SENSORS AAND B ARE POLARITY INSENSITIVE WHEN USING
47. ensor B is the outdoor sensor 29 Go to 2 1 2 SETPOINT on page 27 to continue programming When you finish programming the outputs continue with 1 3 Exit Programming without Reset 1 3 Exit Programming without Reset Press the HOME button to leave programming mode and return to the home screen This completes the programming procedure for controllers that do not use Reset NOTE Even if the MOD outputs are not used both MOD 1 and MOD 2 must be set to Reset in order to configure Reset for the relay s The reset curve established when programming the first output MOD 1 is then used for all subsequent outputs that are configured for Reset and each of those outputs will be offset from this curve For all outputs that will follow a reset curve be sure to configure for Resetz YES in the setup mode Choose Reset YES or NO for all other outputs you wish to reset then press the HOME button to record your selection NOTE The first output Mod 1 must be set for Reset to enable the controller s Reset function 3 1 Setting Up the Controller for Reset 1 Press and hold the MENU button for five seconds to enter Setup mode Then choose OUTPUTS u MOD1 u RESET u then select YES BOILER or YES OTHER Fig 65 2 You can now press the HOME button to exit Setup mode and continue with Determining and Setting the Reset Values Maximum boiler temperature desired is 210 F when the outdoor temperature is 20 F
48. g 84 Schedule Event 1 Time PROGRAM SCHEDULE SUMMARY EXIT la M24628 Fig 85 Scheduling Mode Exit 37 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 Pressthe u button to display the current time setting for event 1 3 Usethe u button to cycle between the hour minute and AM PM values 4 Usethe p and q buttons to increase decrease the desired value for the hour minute and AM PM 5 Press the t button to accept the time and return to the selected time period menu 4 3 3 E2 SETPOINT setpoint for event 2 Creating the setpoint for event 2 is accomplished the same way as the first event See 4 3 1 E1 SETPT setpoint for event 1 on page 36 above 4 3 4 E2 TIME time for event 2 Creating the time for event 2 is accomplished the same way as the first event See 4 3 2 E1 TIME time for event 1 above 4 3 5 EXIT exit from selected time period settings After entering the time for event 2 use the t button to exit the schedule time period and return to the Schedule menu to select a different time period When you finish scheduling the time periods continue with 4 4 Exiting Scheduling Mode 4 4 Exiting Scheduling Mode Press the HOME button to exit the Schedule menu and return to the home screen display or Press the t button to return to the menu then use the p and q buttons to highlight EXIT from the men
49. he u button to display the action selections Use the p and q buttons to select the desired value Press the u button to accept the highlighted selec tion and display the next option PON T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER 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 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 controller for Reset To use the Reset feature the first output MOD 1 must be set to Reset YES in Setup mode see 3 1 Setting Up the Controller for Reset SETUP SETUP L OUTPUTS OUTPUTS Le MOD 1 MOD 1 gt GE lt 4 RESET YES BOILER gt YES OTHER NO USE RESET FOR MOD 1 gt Fig 65 Reset Setup M24568 Determining and Setting the Reset Values NOTE When using the Reset feature Sensor A must be sensing the controlled temperature e g Boiler Sensor B must be sensing the reset ting temperature e g outdoor temp To program an output for Reset refer to the values as shown in the examples below Choose your own appropriate values for Sensor A maximum and minimum and Sensor B maximum and minimum Reset Example see Fig 66 e Sensor A is the boiler sensor and S
50. his section describes the mounting procedures for the controller and temperature sensor s Controller Mounting IMPORTANT Avoid mounting in areas where acid fumes or other deteriorating vapors can attack the metal parts of the controller circuit board or in areas where escaping gas or other explosive vapors are present IMPORTANT The controller must be mounted in a position that allows clearance for wiring servicing and removal 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER 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 locations If you do not use an opened knockout be sure to cover it Mount the controller on any convenient interior location using the four mounting holes provided on the back of the enclosure using 6 or 8 screws screws are not provided and must be obtained separately Use controller dimensions in Fig 1 on page 3 as a guide The controller may be mounted in any orientation However mounting in the orientation shown in Fig 1 on page 3 permits proper viewing of the LCD display and use of the keypad Humidity Pressure and Universal Sensor s Mounting and Location These sensors may be mounted on a wall or panel Follow the installation instructions specific to the sensor you are installing
51. if the earth ground is not connected See Fig 9 and Table 2 on page 8 N CAUTION Equipment Damage Hazard Electrostatic discharge can short equipment circuitry Ensure that you are properly grounded before handling the unit A NO HIGH VOLTAGE CLASS 2 WIRING ONLY A EARTH GROUND TERMINAL MUST BE CONNECTED TO CONDUIT CLAMP LOCALLY M24296 Fig 9 Earth Ground IMPORTANT Poor wiring practices can cause erratic readings from the sensor To ensure proper operation ensure that good mechanical connections are made to both the sensor and the controller IMPORTANT When wiring the input power only one source of power can be applied to the T775U 24 Vac or 120 Vac or 240 Vac See Fig 11 on page 8 for locating the appropriate power input remote sensors input low voltage contact closure and load output terminals Access to the terminals can be gained through standard conduit knockouts A through E in Fig 11 on page 8 located around the perimeter of the enclosure Knockouts A and B should be used only for sensor and low voltage wiring Knockouts C D and E can be used to gain access to the load relay output terminals and 120 240 Vac power wiring Controller Wiring Method Wire the sensors and outputs then wire the power connection Each terminal can accommodate the following gauges of wire Sing
52. ime settings are retained for 24 hours after a power outage After a power loss of more than 24 hours the date and time settings may need to be reentered All other settings are stored permanently Errors and Diagnostics The controller provides an error message and diagnostic status as described below indicating Reset setback offset degrees 62 0255 09 Error Message There is a two character error code that displays in response to controller software problems EE EEPROM Failure The values read back from the EEPROM are not the same as written into the EEPROM This error cannot be field repaired Replace the device Diagnostic Messages There are two diagnostic messages that can display in response to sensor problems The diagnostic codes that can flash on the display are Sensor Open or Shorted Two dashes display when a sensor typically temperature is open or shorted An open circuit is considered anything greater than 1570 ohms greater than 300F shorted anything less than 770 ohms less than 73F Which ever stages are operating with this sensor cease to control meaning relays go to OFF and proportional outputs go to zero percent This message can also mean that the sensor is pro grammed but not physically connected 60 F or 270 F 51 C or 132 C Blinking Temperature Out of Range The temperature display blinks when the sensed temperature range is outside of the display range below
53. k 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 If any wiring changes are required first be sure to remove power from the controller before starting work Pay particular attention to verifying the power connection 24 120 or 240 Vac After the controller is mounted and wired apply power Power Loss The date and time settings are retained for 24 hours after a power outage After a power loss of more than 24 hours the date and time settings may need to be reentered All other settings are stored permanently T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER Humidity Pressure and Universal Sensor Calibration Table 4 Temperature Sensor Calibration for Resis tance Loss due to Wire Length Continued Temperature Offset in A calibration parameter is available using Setup mode F Feet The calibration range is 10 of the Min Value to Max AWG Value range setup for the sensor See examples in Rating m ft 200 ft 500 ft 1 000 ft Table 3 22 16 1 2 92 7 32 14 64 Table 3 Calibration Range Examples Temperature Offset in Min Max Min Max AWG C Meter Value Value Range Calibration Rating m m 100m 200 m 300 m Units Example Example Result Range PSI 100 T 300 30 PSI 14 8 3 0 44 0 86 1 30 Inch
54. le wire from 14 AWG to 22 AWG solid or stranded Multiple wires up to two 22 AWG stranded For 24 120 or 240 Vac power connections Single wire from 14 to 18 AWG solid or stranded Using Fig 10 on page 7 as a guide prepare wiring for the terminal blocks as follows 1 Strip 1 2 in 13 mm insulation from the conductor 2 Cuta single wire to 3 16 in 5 mm Insert the wire in the required terminal location and tighten the Screw 3 If two or more wires are being inserted into one ter minal location twist the wires together a minimum of three turns before inserting them to ensure proper electrical contact 4 Cut the twisted end of the wires to 3 16 in 5 mm before inserting them into the terminal and tighten ing the screw 5 Pull on each wire in all terminals to check for good mechanical connection STRIP 1 2 IN 13 MM FROM WIRES TO BE ATTACHED AT ONE TERMINAL 1 2 13 1 N TWIST WIRES TOGETHER WITH PLIERS A MINIMUM OF THREE TURNS 3 CUT TWISTED END OF WIRES TO 3 16 IN 5 MM BEFORE INSERTING INTO TERMINAL AND TIGHTENING SCREW THEN PULL ON EACH WIRE IN ALL TERMINALS TO CHECK FOR GOOD MECHANICAL CONNECTION M24552 Fig 10 Attaching two or more wires at terminal blocks 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER Controller Wiring Details The wiring connection terminals are shown in Fig 11 and are described in Table 2 See Fig 12 Fig 1
55. lled just like Sensor A on the T775U2016 1 From the Sensors menu use the q button to high light SENSOR B 2 Pressthe u button to display the Sensor B menu 3 Repeat the selections described in 1 2 2 SENSOR A through 1 2 2 4 LABEL Sensor A or B input beginning on page 15 but perform only those steps applicable to Sensor B 4 Press the t button to exit SENSOR B and return to the Sensors menu or Use the p and q buttons to highlight EXIT and press the u button 5 Press the t button to exit the Sensors menu and return to the Setup menu Continue with 1 3 Setting up the Outputs 1 3 Setting up the Outputs 1 From the Setup menu use the pand q buttons to highlight OUTPUTS 2 Press the u button to display the Outputs menu NOTE The menus e g the Outputs menu shown here can display only those relays that are defined in Setup see page 22 For example if you configure only two relays then only two relays display on the appropriate menus The following procedures set up each modulating output and relay output T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SETUP Le OUTPUTS L TYPE MIN OUT 6 INTEGRAL DERIVATIV SCHEDULE RESET EXIT M24599 Fig 37 Setup Outputs Modulating Output Menu SETUP Le OUTPUTS L MOD 1 4 20mA gt 0 10 V 2 10 V SERIES 90 SELECT TYPE FOR MOD 1 M24600 Fig 38 Setup Outputs Mod Out Type SETUP SETUP
56. m Action 62 0255 09 2 1 3 SENSOR This sub menu choice is only available on the T775U2016 model 1 From the menu use the p and q buttons to highlight SENSOR A or SENSOR B 2 Press the u button to accept the sensor selection and display the next option 2 1 5 THROTTLING RANGE or DIFFERENTIAL Throttling Range displays for Modulating outputs Differential is used for the Relay outputs 1 From the menu use the p and q buttons to highlight THROT RNG or DIFFERNTL 2 Press the u button to display the throttling range value 3 Use the p and q buttons to increase decrease the desired value Default 20 F 6 6 C Range 1 F to 150 F 1 C to 66 C 4 Press the u button to accept the value and display the next option The Throttling Range brackets the setpoint setting e g if the setpoint is 72 F and the throttling range is 10 F then the effective throttling temperature range is 67 F to 77 F In heating mode the Differential is below the setpoint The relay de energizes when the temperature rises to the setpoint As the temperature drops to the setpoint minus the Differential the relay energizes In cooling mode the Differential is above the setpoint The relay de energizes when the temperature falls to the setpoint As the temperature rises to the setpoint plus the Differential the relay energizes 2 1 6 ACTION 1 From the menu use the p and q buttons to highlight ACTION Default HEAT Press t
57. on and its order within the menu hierarchy Data Area On the home screen the LCD displays the sensors and outputs status In Setup or Program mode the LCD displays menu choices parameter selections and data values Lock Icon The icon indicates the MENU button is locked and prevents access to the Setup and Program menus NOTE Pressing and holding the HOME and MENU buttons simultaneously for five seconds locks unlocks the MENU button 6 Button Keypad The keypad is used to access the menus and enter values see Using the LCD Panel Interface Using the LCD Panel Interface The 6 button keypad is used to move through the menus and enter or change parameter values Home Button Pressing the HOME button at any time exits the current Programming or Setup display screen and returns to the home screen as shown in Fig 21 and Fig 22 Menu Button Pressing the MENU button always displays the Program menu If you are in Setup mode you exit setup and return to the Program menu Pressing and holding the MENU button for five seconds leaves the current screen and displays the Setup menu Left and Right Arrow Buttons t and u Use these buttons to move backward t and forward u through the Program and Setup menus 62 0255 09 Up and Down Arrow Buttons p and q Use these buttons to move your selection up and down through a menu or list When the desired item is highlighted you press the u arrow butt
58. on to display that item s content When a value is displayed e g 70 F the up and down arrows increase and decrease the value NOTE Once you select an item from a list or enter a value pressing the t or u or HOME button accepts your selection or value and stores it in the controller s memory Home Screen In the normal run state the LCD home screen displays the current sensed temperatures the modulating outputs status the active status of the output relays and error and status codes When using Reset the Heat Cool setpoint s display on the home screen for the Mod and Relay outputs see Fig 22 Active relays are indicated by the small black square just below the relay number Fig 22 shows the home Screen with relay 2 energized Pressing the t and u buttons from the home screen cycles through each modulating output that is paired with the sensor it controls and the active output relays HOME RELAYS 12 RT 12345 HRS 40 MOD1 4096 40 60 MOD2 60 60 a DION o Fig 22 LCD Display Home Screen Displaying Sensors Mod Outputs and Active Relays NOTES 1 M24564 The modulating output home screen and the relay home screen do not dynamically update the active relay status sensor values and modulating output percentages The informa tion is a snapshot taken when you press the t or u button to display the screen 2 In Reset mode the home screen displays the
59. ons Continue with 1 2 2 3 CALIBRATE Sensor A or B oN 1 2 2 2 2 UNITS Sensor A only 0 5V 0 10V or 4 20mA 1 From the Sensor A selections use the p and q but tons to highlight UNITS 2 Press the u button to display the units list 3 Usethe p and q buttons to scroll through the list and highlight the desired unit of measure You may need to scroll up or down to view all units Default F Fahrenheit 4 Press the u button to accept the units and return to the Sensor A selections T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SETUP SETUP SETUP L SENSORS SENSORS SENSORS L SENSORA SENSOR A SENSORA gt E in VAL MAX VAL OR aream 0 0 ENTER MAXIMUM VALUE FOR SENSORA gt 0 0 ENTER MINIMUM VALUE FOR SENSORA gt M24592A Fig 31 Setup Sensors Sensor A 0 5V 0 10V OR 4 20MA MIN and MAX Value showing F SETUP SETUP L SENSORS SENSORS L SENSORA SENSORA lt CALIBRATE L ETS 0 0 ENTER VALUE TO CALIBRATE SENSORAP M24594 Fig 32 Setup Sensors Sensor A Calibrate SETUP SETUP L SENSORS SENSORS L SENSOR A SENSOR A gt ZEEE lt 4LABEL A SENSOR A BOILERA OUTDOORA DUCTA DISCHRGA CHILLER A ROOMA b SELECT LABEL FOR SENSOR A cos Fig 33 Setup Sensors Sensor A Label 1 2 2 2 3 MIN or MAX VALUE Sensor A only 0 5V 0 10V or 4 20mA The minimum and maximum values display only for
60. ons Show Runtime SETUP OUTPUTS lt 4 OPTIONS USE SCHED MIN OFF DI OPTION SHOW RT EXIT gt M24613 Fig 52 Setup Outputs Options Exit 62 0255 09 24 1 3 3 3 DI OPTIONS digital input options The DI Option you select applies to all outputs This option overrides any Setpoint Setback values entered in the Schedule 1 Press the u button to display the DI Option selec tions 2 Usethe p and q buttons to highlight DISABLE SET BACK or IGNORE Default DISABLE 3 Press the u button to accept the value and display the SHOW RT option When the digital input DI closes all outputs follow the DI option value Disable Setback or Ignore DISABLE disables the outputs relays return to de energized state and Mod outputs return to 0 output e SETPOINT forces the control to the setpoint temperature e SETBACK enables a setback temperature value to be programmed for each output To program the Setback temperature with Reset see Fig 74 on page 32 To program the Setback temperature without Reset see Fig 61 on page 27 ENABLE energizes all relays to 100 Use this option carefully GNORE causes the digital input to have no effect on the Relay or Mod outputs 1 3 3 4 SHOW RT show run time hours Press the u button to display the Show RT values 2 Usethe p and q buttons to select YES or NO Default YES 3 Press the u button to accept the value and return to the Options menu
61. p 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 defined in Setup see 1 3 2 NBR OF RELAYS on page 22 For example if you configure only two relays then only two relays display on the appropriate menus SETUP lt 4 SENSORS SENSORA SENSORB EXIT SETUP Le M24586 Fig 25 Setup Sensors Menu SETUP SETUP L SENSORS SENSORS L 4 SENSORS ENTER NUMBER OF SENSORS gt M24587 Fig 26 Setup Sensors Number of Sensors SENSORA SENSORA TYPE 0 5V 0 10V TYPE PT1000 OR 4 20MA SETUP SETUP SETUP L SENSORS SENSORS SENSORS 4 SENSORA UNITS MIN VAL MAX VAL CALIBRATE LABEL EXIT gt pII lt SENSORA UNITS CALIBRATE LABEL EXIT M24588A Fig 27 Setup Sensors Sensor A Menu To change the controllers sensors and output setup parameters perform the following procedures in the order listed 1 Enter Setup mode see 1 1 Entering Setup Mode 2 Setup Sensors see 1 2 Setting up the Sensors 3 Setup Outputs see 1 3 Setting up the Outputs on page 18 4 Exit Setup Mode see 1 4 Exiting Setup on page 26 1 1 Entering Setup Mode To enter Setup mode press and hold the MENU button for five seconds to display the Setup menu See Fig 24 on page 13 1 2 Se
62. r each selected time period the schedule event E1 and E2 parameters are exactly the same as shown in Fig 82 SCHEDULING EXAMPLE Setting the schedule is independent of the temperature settings for the relay outputs Table 5 illustrates a weekly schedule for daytime setpoint and night time setback use and shows the factory default settings Table 5 Mon Fri Schedule Defaults DAY EVENT SETPT ACTION TIME Mon Fri Event 1 E1 Setpoint 6 00 AM 8 Mon Fri Event 2 E2 Setback 6 00 PM P Sat Sun Not used remains in Setback from the Mon Fri E2 settings Setpoint time span is 6 00 AM until 5 59 PM because setback starts at 6 00 PM P Setback time span is 6 00PM until 5 59 AM because setpoint starts at 6 00 AM To set a schedule continue with 4 3 1 E1 SETPT setpoint for event 1 The following figures show the MON FRI menu but the menu selections are the same for any time period 4 3 1 E1 SETPT setpoint for event 1 1 From the selected time period menu use the p and q buttons to highlight E1 SETPT 2 Press the u button to display the setpoint options 3 Use the p and q buttons to highlight the desired option 4 Press the u button to accept the value and return to the selected time period menu T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER MAIN MAIN L SCHEDULE SCHEDULE L MON FRI MON FRI C BELGA lt ETE 6 00 AM SET TIME FOR EVENT 1 M24627 Fi
63. rature Default 70 F 21 C Range 40 F to 248 F 40 C to 120 C 4 Press the u button to accept the setpoint tempera ture and display the next option 2 1 3 SETBACK The Setback temperature option displays only if scheduling is enabled see Fig 48 on page 22 or the DI Option is set to Setback see Fig 50 on page 24 This is the desired setpoint temperature that you want to use during setback mode for this output For example if your setpoint is 70 F and you want the temperature to drop 10 F during setback mode enter 60 F as the set point for this output 1 From the menu use the p and q buttons to highlight SETBACK Use the p and q buttons to increase decrease the desired setpoint temperature 2 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER 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 MENU PROGRAM PROGRAM L gt MOD 1 EZ MOD 1 4SENSOR SENSORA gt SENSORB SELECT SENSOR FOR MOD 1 gt M28660 Fig 62 Program Sensor MENU PROGRAM PROGRAM Le mop1 MOD 1 Ce BETTS lt THROT RNG ENTER THROTLLING RANGE FOR MOD1 gt M24582 Fig 63 Program Throttling Range or Differential MENU PROGRAM PROGRAM L gt MOD 1 MOD 1 gt EINEN ACTION HEAT gt COOL REV ACT DIRACT HUMID DEHUMID SELECT ACTION FOR MOD 1 M24583 Fig 64 Progra
64. re Reset is not used only one sensor Sensor A is available for use T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER MENU gt Brey M24567 Fig 58 Program Menu PROGRAM La SETBACK SENSOR THROT RNG ACTION EXIT M24580A Fig 59 Program Menu No Reset MENU PROGRAM L gt MOD 1 Eancu 4 SETPOINT 70 ENTER SETPOINT FOR MOD1 gt M24581 Fig 60 Program Setpoint MENU PROGRAM PROGRAM Le MOD 1 OD 1 BEET lt SETBACK 60 ENTER SETBACK SETPOINT FOR MOD gt M24584 Fig 61 Program Setback 27 2 1 Entering Program Mode Press the MENU button then select PROGRAM and press the u button to view the Program menu 2 1 1 Program Menu for Outputs with No Reset From the Program menu select MOD 1 MOD 2 RELAY 1 or RELAY 2 to view the parameters This section illustrates the screens for selecting MOD 1 but other than as noted below the programming is the same for each output NOTE For Relays DIFFRNTL replaces THROT RNG NOTE The Setback parameter displays only if scheduling is enabled see Fig 48 on page 22 or the DI Option is set to Setback see Fig 50 on page 24 Continue with 2 1 2 SETPOINT 2 1 2 SETPOINT 1 From the menu use the p and q buttons to highlight SETPOINT 2 Press the u button to display the setpoint value 3 Use the p and q buttons to increase decrease the desired setpoint tempe
65. tting up the Sensors 1 From the Setup menu use the p and q buttons to highlight SENSORS 2 Press the u button to display the Sensors menu 1 2 1 Number of SENSORS The value entered here determines the number of sensors displayed on the home screen NOTE For applications that do not use Reset only one sensor Sensor A is available for use 1 From the Sensors menu highlight SENSORS then press the u button to display the number of sensors 2 Usethe p and q buttons to enter the number of sen sors 1 or 2 Default 2 3 Press the u button to accept the value and display the SENSOR A selection 1 2 2 SENSOR A If you are implementing two sensor reset control Sensor A must always be the controlled temperature and Sensor B must always be the controlling temperature For example in a reset control based on outside temperature Sensor A must be the inside sensor and Sensor B must be the outside sensor 1 From the Sensors menu highlight SENSOR A 2 Press the u button to display the Sensor A selec tions The menu selections change depending on whether the sensor type is 1097 PTC temperature or 0 10V 4 20MA 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER SETUP SETUP L gt SENSORS SENSORS L SENSOR A SENSOR A o LN 4 TYPE PT 1000 gt 0 5V 0 10V 4 20MA SELECT TYPE FOR SENSORA gt Fig 28 Setup Sensors Sensor A Type SETUP SETUP L SENSORS SENSORS L SENSOR A S
66. ttling temperature range is 67 F to 77 F In heating mode the Differential is below the setpoint The relay de energizes when the temperature rises to the setpoint As the temperature drops to the setpoint minus the Differential the relay energizes In cooling mode the Differential is above the setpoint The relay de energizes when the temperature falls to the setpoint As the temperature rises to the setpoint plus the Differential the relay energizes 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER MENU PROGRAM PROGRAM L gt RELAY 1 RELAY 1 gt ACTION 4 ACTION HEAT gt COOL REV ACT DIRACT HUMID DEHUMID SELECT ACTION FOR RELAY 1 gt M24578 Fig 73 Program Action Selection MENU PROGRAM PROGRAM L gt RELAY 1 RELAY 1 gt BEEN lt SETBACK OF 10 ENTER SETBACK SETPOINT FOR RELAY 1 gt M24579 Fig 74 Program Setback Offset 62 0255 09 32 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 SETBACK OFFSET if configured on page 32 1 From the menu use the p and q buttons to highlight ACTION Default HEAT Press the u button to display the action selections Use the p and q buttons to select the desired value Press the u button to accept the highlighted selec tion and display the
67. u and press the u button This completes the Scheduling procedure 62 0255 09 T775U SERIES 2000 ELECTRONIC STAND ALONE CONTROLLER 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 in the Setup process for the Output Options see page 22 MENU lt 4 SUMMARY MONDAY gt RELAY 1 2 E1 06 00AM 72 MENU gt it E2 06 00PM 65 M24629 Fig 86 Summary Example Monday Settings For each relay the Summary display indicates the time and temperature in parenthesis for each of the two scheduled events E1 and E2 Press the MENU button to view the menu Use the p and q buttons to highlight SUMMARY Press the u button to display the Summary settings Use the u button to scroll forward through each day of the week Monday Tuesday Wednesday Thursday Friday Saturday and Sunday 5 While viewing a specific day use the p and q buttons to cycle through the individual relay schedules for that day PONS When finished press the HOME button to return to the home display screen If programmed for Reset control the Summary setpoints display as RES instead of a temperature value For example the display would show MONDAY STAGES E1 06 00AM RES E2 06 00PM 05 TROUBLESHOOTING Power Loss The date and t
68. vative SETUP Le OUTPUTS L MOD 1 ESTEE SETUP OUTPUTS MOD 1 lt 4 SCHEDULE USE SCHEDULE FOR OUTPUTS gt Fig 42 Setup Outputs Mod Out Schedule M24604 62 0255 09 20 the offset from setpoint during steady state control that is often seen in proportional only control Keep in mind that control is most sensitive to throttling range Adjust the throttling range first before any adjustment to integral time Adjust throttling range to be as wide as possible to start since this will provide the most stable control Remember that the integral will eliminate the steady state error so you do not need to have a small throttling range to have accurate control Integral action allows for controlling to a setpoint even with a wide throttling range 1 3 1 4 DERIVATIVE The Derivative default value is factory set to zero no derivative control It is strongly recommended that the derivative remain at zero 0 unless you have a very good reason to adjust it Derivative control is not needed in the vast majority of HVAC applications 1 From the Mod menu use the p and q buttons to highlight DERIVATIV Press the u button to display the Derivative sec onds Use the p and q buttons to increase decrease the value Default 0 zero Range 0 to 3 600 seconds Press the u button to accept the seconds and return to the Mod menu 2 1 3 1 5 SCHEDULE The Schedule option displays only if th

Honeywell T755U Home Theater Server User Manual

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