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Honeywell AC-220-7 User's Manual

1. 2 SETUP ADVANCED OPTIONS 2 2 4 LIMIT Sensor B only For the T775M2030 and T775M2048 models only the LIMIT item displays on the Sensor B menu NOTE The LIMIT option acts only on Modulating Output 1 From the Sensors menu use the Y button to high light SENSOR B Press the gt button to display the Sensor B menu Use the A and Y buttons to select the LIMIT item Use the button to display the Limit selections Use the A and Y buttons to select the desired limit Disable Hi Limit or Low Limit Default Disable 6 Press the gt button to accept the value and return to the Sensor B menu m gt N When you select Hi Limit or Low Limit the Sensor B menu changes and adds the Hi Low Limit and Throttling Range items If you are setting a Hi or Low Limit continue with 2 2 4 1 HI LIMIT or LOW LIMIT Sensor B only If you selected Disable for the Limit value continue with 2 3 Setting up the Outputs on page 21 2 2 4 1 HI LIMIT or LOW LIMIT Sensor B only Fig 43 shows the Hi Limit Heat mode but the process is the same for setting the Low Limit Cool mode For proper operation the high limit should be used only in the Heat mode and the low limit only in the Cool mode Sensor B can be assigned a high low limit so that as you are controlling temperature at Sensor A the control adjusts its modulating output to prevent exceeding the user entered limit for Sensor B 1 From the
2. 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 Mon Fri E2 settings 8 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 3 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 3 3 1 E1 SETPT setpoint for event 1 1 Fromthe selected time period menu use the A and buttons to highlight E1 SETPT 2 Press the gt button to display the setpoint options 3 Use the A and Y buttons to highlight the desired option 4 Press the gt button to accept the value and return to the selected time period menu 32 3 SCHEDULING MAIN MAIN L SCHEDULE SCHEDULE L MON FRI MON FRI gt GE TIME 6 00 AM SET TIME FOR EVENT 1 gt M24543 Fig 76 Schedule Event 1 Time T775A B M SERIES 2000 CONTROLLER 3 3 2 E1 TIME time for event 1 1 Fromthe selected time period menu use the A and buttons to highlight E1 TIME 2 Press the gt button to display the current time set ting for event 1 3 Use the gt button to cycle between the hour minute and AM PM values 4 Use the A and Y buttons to increase decrease the desired value for the hour minute and AM
3. 2 Usethe A and Y buttons to increase decrease the desired value for the Throttling Range Default 0 3 Press the gt button to accept value and return to the Limit menu 4 Press the 4 button to exit the Limit menu 5 Press the 4 button to exit the Sensors menu and return to the Setup menu 2 3 Setting up the Outputs 1 From the Setup menu use the Aand Y buttons to highlight OUTPUTS 2 Press the gt 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 24 For example if you config ure only two relays then only two relays display on the appropriate menus The following procedures set up each modulating output and relay output 2 3 1 Setting up the Modulating Outputs 1 From the Output menu use the A and Y buttons to highlight the desired modulating output MOD 1 or MOD 2 2 Press the gt button to display the selected MOD menu NOTE Modulating outputs are not available on the T775A and T775B controller models If you are setting up one of these controllers skip to 2 3 2 NBR OF RELAYS on page 24 Use the remaining procedures beginning with 2 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 21 62 0254 03 T775A B M SERIES 2000 CONTROLLER SETUP SETUP L OUTPUTS OUTPUTS L MOD 1
4. 2 Use the A and Y buttons to highlight YES or NO Default YES 3 Press the gt 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 2 3 3 1 USE SCHED on page 24 2 3 1 6 EXIT Press the lt button or highlight EXIT and press the button to exit the Mod menu and return to the Outputs menu If you have a second modulating output to configure go to 2 3 1 Setting up the Modulating Outputs on page 21 If you are finished setting up the modulating outputs continue with 2 3 2 NBR OF RELAYS 23 62 0254 03 T775A B M SERIES 2000 CONTROLLER SETUP OUTPUTS lt RELAYS SETUP L OUTPUTS 4 ENTER NUMBER OF RELAYS gt si Fig 53 Setup Outputs Number of Relays SETUP L OUTPUTS OPTIONS SETUP OUTPUTS lt OPTIONS USE SCHED p MIN OFF DI OPTS SHOW RT EXIT M24520 Fig 54 Setup Outputs Options Menu SETUP SETUP L OUTPUTS OUTPUTS L OPTIONS OPTIONS HRI __ lt USE SCHED YES USE SCHEDULE FOR OUTPUTS p M24521 Fig 55 Setup Outputs Options Schedule 62 0254 03 2 SETUP ADVANCED OPTIONS 2 3 2 NBR OF RELAYS 1 From the Outputs menu use the Aand Y buttons to highlight RELAYS 2 Press the gt button to display the number of relays 3 Use the A and Y buttons to display the
5. EXIT gt M24525 Fig 59 Setup Outputs Options Exit SETUP Ly OUTPUTS RELAY 1 SETUP OUTPUTS lt RELAY 1 TYPE p SCHEDULE RESET RESET RT EXIT M24526 Fig 60 Setup Outputs Relay Menu SETUP L OUTPUTS L RELAY 1 BGG STANDARD 4 FLOATING SELECT TYPE FOR RELAY 1 gt M24527 Fig 61 Setup Outputs Relay Type 62 0254 03 2 SETUP ADVANCED OPTIONS 2 3 3 5 Exit Options Setup Press the lt button or highlight EXIT and press the gt button to exit and return to the Outputs menu Continue with 2 3 4 Setting up the Relays 2 3 4 Setting up the Relays 1 From the Outputs menu use the A and Y buttons to highlight the desired relay 1 4 depending on model 2 Press the gt button to display the selected relay menu The TYPE selection shown in Fig 60 displays only for Relay 1 and Relay 3 Continue with the remainder of section 3 4 to setup the relay outputs 2 3 4 1 TYPE standard or floating The Floating option is only available on the T775B2016 T775B2024 T775B2032 and T775B2040 models For these models this selection displays only for Relay 1 and or Relay 3 1 Press the gt button to display the Type values 2 Usethe A and Y buttons to select STANDARD OR FLOATING Default STANDARD not floating 3 Press the gt button to accept the value and return to the Relay menu If you select FLOATING the relays are paired 1
6. OR VOLTAGE VDC OUTPUT USE SIGNAL amp COMMON FOR MOD 1 AND MOD 2 SERIES 90 OUTPUT USE W R amp B A A SEPARATE EARTH GROUND IS REQUIRED FOR ANY POWER SOURCE 24 120 OR 240 VAC Fig 7 T775A B M terminal and feature locations M24474 NOTE Refer to Table 1 on page 1 for the specific con figuration of sensors and outputs supported by the model you are installing WIRING APPLICATIONS EXAMPLES Table 2 Description of Wiring Terminal Connections Continued Connection Terminal Label Description Input DI Digital Input dry contact 24 Vac Power 24V 24 Vac Hot Common C 24 Vac Common Ground an Earth Ground 120 or 240 Vac Power 120 Vac 120 120 Vac Power Common COM Common 240 Vac 240 240 Vac Power NOTE For NEMA 4 enclosures use waterproof fittings for wiring conduit connections at knockouts Table 2 Description of Wiring Terminal Connections Connection Terminal Label Description Sensors Sensor A TT Temperature Sensor Sensor B polarity insensitive Outputs Relay 1 Relay 2 NO 120 240 Vac Relay Relay 3 COM Output Relay 4 NC Mod 1 Vdc or mA Mod2 WRB Series 90 Modulating Output 62 0254 03 For Series 90 connections you must insert 340 Ohm resistor across terminals R and W See Fig 17 on page 8 The resistor is included with the controller bA separate earth ground is required f
7. and then select YES see 2 3 3 1 USE SCHED on page 24 IMPORTANT To properly account for Daylight Saving time be sure to set the Date before setting the Time See 3 2 2 SET DATE on page 31 NOTE Each output is independently configurable to follow the schedule or not For modulating outputs see 2 3 1 5 SCHEDULE on page 23 For relay outputs see 2 3 4 2 SCHEDULE on page 28 NOTE The 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 ENU MENU Le 4 SCHEDULE MON FRI SAT SUN MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY SUNDAY EXIT M24536 Fig 69 Schedule Menu MENU MENU Ly SCHEDULE SCHEDULE C PS P lt OPTIONS SET DATE DAYLIGHT EXIT M24537 Fig 70 Schedule Options Menu 62 0254 03 3 SCHEDULING NOTES 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 2 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 lt to scroll backward through the Schedule menus Right arrow button P to select the highlighted menu item and display its content Up and Down arrow buttons A and W to scroll up and down thr
8. button to accept the value and display the SENSOR A selection 17 62 0254 03 T775A B M SERIES 2000 CONTROLLER SENSORS L SENSORS UNITS gt CALIBRATE LABEL EXIT M24502 Fig 36 Setup Sensors Sensor A Menu SETUP SETUP L SENSORS SENSORS L SENSOR A SENSORA lt UNITS L UNITS DEG C SELECT UNITS FOR SENSORA M24503 Fig 37 Setup Sensors Sensor A Units SETUP SETUP L SENSORS SENSORS L SENSORA SENSOR lt CALIBRATE ENTER VALUE TO CALIBRATE SENSORA P L CALIBRATE M24504 Fig 38 Setup Sensors Sensor A Calibrate SETUP SETUP L SENSORS SENSORS L SENSOR A SENSOR A LABEL A SENSOR A BOILERA OUTDOOR A DUCTA DISCHRG A CHILLER A ROOMA Y SELECT LABEL FOR SENSOR AP M24505 Fig 39 Setup Sensors Sensor A Label 62 0254 03 2 SETUP ADVANCED OPTIONS 2 2 2 SENSOR A 1 From the Sensors menu highlight SENSOR A 2 Press the gt button to display the Sensor A selec tions 2 2 2 1 UNITS F or C IMPORTANT This is a global change and affects the unit values for all temperature parameters on all displays The UNITS screen displays only for Sensor A 1 From the Sensor A selections use the A and V buttons to highlight UNITS 2 Press the gt button to display the temperature units 3 Use the A and buttons to highlight F or C Default F Fahrenheit 4 Press the button to
9. PM 5 Press the lt button to accept the time and return to the selected time period menu 3 3 3 E2 SETPOINT setpoint for event 2 Creating the setpoint for event 2 is accomplished the same way as the first event See 3 3 1 E1 SETPT setpoint for event 1 on page 32 above 3 3 4 E2 TIME time for event 2 Creating the time for event 2 is accomplished the same way as the first event See 3 3 2 E1 TIME time for event 1 above 3 3 5 EXIT exit from selected time period settings After entering the time for event 2 use the 4 button to exit the schedule time period and return to the Schedule menu Fig 69 on page 30 to select a different time period When you finish scheduling the time periods continue with 3 4 Exiting Scheduling Mode 3 4 Exiting Scheduling Mode Press the HOME button to exit the Schedule menu and return to the home screen display This completes the Scheduling procedure 33 62 0254 03 T775A B M SERIES 2000 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 24 MENU L SUMMARY MENU SUMMARY MONDAY p RELAY 1 2 E1 06 00AM 72 E2 06 00PM 65 M24545 Fig 77 Summary Example Monday Settings For eac
10. 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 installed 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 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 3 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 2 2 2 2 CALIBRATE the sensor on page 18 for the instructions to enter the calibration value 62 0254 03 CHECKOUT Table 3 Temperature Sensor Calibration for Resistance Loss due to Wire Length Temperature Offset in AWG F Foot Rating mQ ft 200 ft 500 ft 1 000 ft 14 2
11. box is provided for incoming power conduit The hole can be enlarged if necessary The control box is designed for 230V 3PH 60Hz or 460V 3PH 60Hz operation The transformer jumpers must be installed as outlined in Section 2 5 for the desired voltage Make the necessary wiring runs and connections for the main power supply Remove the junction box cover on the aftercooler for access to the junction box Make the necessary wiring runs through the conduit from the aftercooler to the control box Fasten the FIGURE 2 D INSTALLING THE CONDUIT FIGURE 2 E INSTALLING THE TRANSFORMER JUMPERS conduit to the connector on the aftercooler Reference FIGURE 2 D Make the wire connections at the junction box on the aftercooler Reference FIGURE 2 F Fasten the junction box cover to the aftercooler Complete the wire connections inside the controller as shown in FIGURE 2 F Once all wiring connections have been properly made the rotation of the fan should be checked The fan must rotate in the proper direction for maximum performance Reference the operator s manual supplied with the aftercooler for the correct rotation direction Also check the aftercooler for a rotation direction label To check the rotation turn on the power supply to the aftercooler If the fan does not rotate in the proper direction any two of the power leads to the motor can be switched PAGE 3 SECTION 2 INSTALLATION FIGURE 2 F CONTROL BOX COMPO
12. gram 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 Heating Mode Setpoint and Differential 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 Cooling Mode Setpoint and Differential 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 T775A B M SERIES 2000 CONTROLLER Setpoint High Limit You can set a single irreversible setpoint high limit maximum value which is applied to all outputs Adjust the setpoint at any output to the desired maximum setpoint Then simultaneously press the home 4 and gt 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 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 contro
13. kit 2 2 INSTALLING THE SENSOR AND THERMOWELL A 1 2 NPT or larger connection in the system piping between the outlet of the aftercooler and the inlet of the separator is required for the thermowell and sensor Thread the thermowell and the 1 x 1 2 bushing if required into a connection between the aftercooler outlet and the separator Place some heat conductive compound into the thermowell Place the sensor into the thermowell and fasten it in place using the clip supplied with the thermowell Reference Figure 2 B Install the cord grip connector into the control box as shown in Figure 2 B Push the sensor cable through the connector Wire the sensor cable to the controller circuit board terminals as shown in Figure 2 F Tighten the grip nut on the connector 2 3 INSTALLING THE HEAT TAPE AND INSULATION Install the cord grip on the control box as shown in Figure 2 C Cut the plug end off the heat tape Strip back the wires Push the wire end of the heat tape through the connector Allow enough cord inside the box for wiring Connect the heat tape to the proper terminals in the control box as shown in FIGURES 2 F Tighten the grip nut on the connector Run the heat tape to the separator Wrap the heat tape around the separator as shown in Figure 2 C Do not overlap the tape Wrap the insulation around the piping and heat tape as shown in Figure 2 C PAGE 2 SECTION 2 INSTALLATION 2 4 INSTALLING T
14. or where electrical interference may be a problem shielded cable is recommended See Fig 4 Refer to Temperature Sensor Calibration on page 10 for wire size selection where cable runs are longer than 25 feet SHIELDED CABLE NOTE SHIELDED CABLE MUST BE CONNECTED TO AN EARTH GROUND HOWEVER DO NOT GROUND SHIELDED CABLE AT SENSOR END SHIELDED CABLE w SENSOR NOTE TO MINIMIZE NOISE PICKUP MAKE SENSOR CONNECTION FROM SHIELDED CABLE AS CLOSE AS POSSIBLE TO SENSOR BODY M24472 Fig 4 Sensor wiring showing shielded cable connection to Sensor A 62 0254 03 4 WIRING 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 N CAUTION Do not use 24 Vac power to power any external loads if 120 Vac or 240 Vac is used to power the T775A B M controller N CAUTION A separate earth ground is required Equipment damage can result if the earth ground is not connected See Fig 5 and Table 2 on page 6 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 5 Earth Ground I
15. 2 or 3 4 and are setup together Continue with 2 3 4 1 1 Floating Relay Menu If you select STANDARD go to 2 3 4 2 SCHEDULE on page 28 26 2 SETUP ADVANCED OPTIONS SETUP IL OUTPUTS FLOAT 1 SETUP OUTPUTS lt FLOAT 1 TYPE gt ACTUATOR INTEGRAL DERIVATIV SCHEDULE RESET EXIT M24528 Fig 62 Setup Outputs Floating Relay Menu SETUP L OUTPUTS L FLOAT 1 L EX SETUP OUTPUTS FLOAT 1 ACTUATOR 90 SEC ENTER ACTUATOR TIMING FOR FLOAT 1 gt M24529 Fig 63 Setup Outputs Floating Relay Actuator SETUP L OUTPUTS L FLOAT 1 Le INTEGRAL SETUP OUTPUTS FLOAT 1 lt INTEGRAL 400 ENTER INTEGRAL TIME FOR FLOAT1 p M24530 Fig 64 Setup Outputs Floating Relay Integral T775A B M SERIES 2000 CONTROLLER 2 3 4 1 1 Floating Relay Menu The Floating option is only available on the T775B2016 T775B2024 T775B2032 and T775B2040 models When Relay 1 or Relay 3 is setup as floating relays are paired and the Float 1 or Float 2 menu displays with the selections shown in Fig 62 2 3 4 1 1 1 ACTUATOR floating relay only The Actuator option displays only on the T775B2016 T775B2024 T775B2032 T775B2040 models when the Type option Floating 1 From the menu use the A and Y buttons to high light ACTUATOR 2 Press the gt button to display the actuator value 3 Use the A and Y buttons to increase decrea
16. 5 0 46 1 14 2 28 16 4 0 0 72 1 82 3 64 18 6 4 1 16 2 90 5 82 20 10 2 1 86 4 64 9 28 22 16 1 2 92 7 32 14 64 Temperature Offset in AWG C Meter Rating 100m 200 m 300 m 14 8 3 0 44 0 86 1 30 16 13 2 0 68 1 38 2 06 18 21 0 1 10 2 18 3 28 20 33 5 1 74 3 48 5 22 22 52 8 2 74 5 48 8 22 This is the distance from the controller to the sensor already accounts for round trip distance Fig 21 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 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 21 Sensor Resistance vs Temperature INTERFACE OVERVIEW INTERFACE OVERVIEW The T775A B M controllers use 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 HOME RELAYS 1 2 3 4 MENUAREA ON mm j DATAAREA LOCK ICON 6 BUTTON KEYPAD o o M24488 Fig 22 LCD Display Home Screen And Keypad Menu Area On the home screen the LCD displays the configured relays and w
17. 8 ALR 120 Vac 1 2 hp 4 9 AFL 29 4 ALR 240 Vac e 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 T775A B M SERIES 2000 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 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 6 1996 A1 2001 EN 61000 4 8 1993 A1 2001 EN 61000 4 11 2nd Ed 2004 Safety Compliance UL 60730 1 and Part 2 9 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 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 deter
18. ABEL LIMIT EXIT M24507 Fig 41 Setup Sensors Sensor B Menu T775A B M SERIES 2000 CONTROLLER 2 2 2 4 Exit Sensor A Setup Press the lt button to exit Sensor A selections and return to the Sensors menu or Use the A and Y buttons to highlight EXIT and press the gt button 2 2 3 SENSOR B For the T775M2030 and T775M2048 models only which have a High Low modulating temperature limit the LIMIT item displays on the Sensor B menu 1 From the Sensors menu use the Y button to high light SENSOR B 2 Press the gt button to display the Sensor B menu 2 2 3 1 CALIBRATE Setting the calibration value is accomplished the same way as the Sensor A See 2 2 2 2 CALIBRATE the sensor on page 18 above 2 2 3 2 LABEL Setting the label is accomplished the same way as the Sensor A See 2 2 2 3 LABEL the sensor input on page 18 above 19 62 0254 03 T775A B M SERIES 2000 CONTROLLER SETUP SETUP L SENSORS SENSORS L SENSOR B SENSOR B B 4 LIMIT DISABLE gt HI LIMIT LOW LIMIT SELECT HI LOW LIMIT FOR SENSOR Bp M24508 Fig 42 Setup Sensors Sensor B Limit SETUP L SENSORS Lp BESTES gt SETUP SENSORS lt SENSOR B UNITS CALIBRATE LABEL LIMIT THROT RNG EXIT SETUP SENSORS SENSORB HI LIM 90 ENTER VALUE FOR SENSOR B HI LIMIT gt M24509 Fig 43 Setup Sensors Sensor B Hi Low Limit showing Hi Limit 62 0254 03
19. CTION 6 WARRANTY PER VAN AIR TERMS AND CONDITIONS OF SALE YOUR VAN AIR REPRESENTATIVE IS NAME COMPANY ADDRESS CITY STATE ZIP PHONE FAX ATTACH BUSINESS CARD HERE _ _ n 2950 Mechanic Street T eh Lake City PA 16423 USA AN 800 840 9906 Service Fax 814 774 0778 MAKING COMPRESSED AIR AND GAS WORK BETTER SINCE 1944 Order Entry Fax 814 774 3482 www vanairsystems com PAGE 8 Honeywell 9 Honeywell T775AIB M Series 2000 Electronic Stand Alone Controllers INSTALLATION INSTRUCTIONS PRODUCT DESCRIPTION The T775 electronic stand alone controllers are the next generation of commercial and agricultural controls capable of remote sensing of temperature and providing switched and or proportional outputs to various types of loads Five models have analog modulating outputs for actuator and motor control and NEMA 4 weatherproof enclosures are available for wet environments IMPORTANT Each T775A B M controller 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 T775A B M Controller Configurations SPDT Analog Nbr of Controller Relay Mod Floating Sensor Sensors Model Description Replaces Outputs Outputs Outputs Input
20. ENTER NUMBER OF SENSORS M24501 Fig 35 Setup Sensors Number of Sensors T775A B M SERIES 2000 CONTROLLER Once in Setup mode you use the Left arrow 4 to scroll backward through the Setup menus Right arrow button P to select the highlighted menu item and display its content Up and Down arrow buttons A and W to scroll up and down through a list of items or to increase or decrease the value of a displayed setup parameter To change the controller s sensors and output setup parameters perform the following procedures in the order listed 1 Enter Setup mode see 2 1 Entering Setup Mode 2 Setup Sensors see 2 2 Setting up the Sensors 3 Setup Outputs see 2 3 Setting up the Outputs on page 21 4 Exit Setup Mode see 2 4 EXIT Setup Mode on page 29 2 1 Entering Setup Mode To enter Setup mode press and hold the MENU button for five seconds to display the Setup menu See Fig 25 on page 12 2 2 Setting up the Sensors 1 From the Setup menu use the A and Y buttons to highlight SENSORS 2 Press the gt button to display the Sensors menu 2 2 1 Number of SENSORS The value entered here determines the number of sensors displayed on the home screen 1 From the Sensors menu highlight SENSORS then press the button to display the number of sensors 2 Usethe A and Y buttons to enter the number of sensors 1 or 2 Default 2 3 Press the gt
21. ERNTL 2 Press the gt button to display the throttling range value 3 Use the A and Y 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 gt button to accept the value and display the next option 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 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 This applies to both modulating outputs and floating outputs 1 2 3 SENSOR 1 From the menu use the A and WV buttons to high light SENSOR 2 Press the gt button to display the sensor selections 3 Use the A and Y buttons to select Sensor A or B 4 Press the p button to accept the highlighted sensor and display the next option 1 2 4 HEAT COOL 1 From the menu use the A and Y buttons to high light HEAT COOL Default HEAT 2 Press the gt button to display the heat and cool selections 3 Use the A and buttons to select Heat or Cool 4 Press t
22. February 2008 A P N 32 0228 N i Ta REV B INSTALLATION OPERATION amp MAINTENANCE INSTRUCTIONS FOR FP 4 FREEZE PROTECTION KIT P N 83 0763 FOR TURBO COOL AFTERCOOLERS MODELS AC 140 7 thru AC 220 7 230V 3PH 60Hz amp 460V 3PH 60Hz WARNING BEFORE STARTING INSTALLATION OR MAINTENANCE PROCEDURES TURN OFF ELECTRICAL POWER AND COMPLETELY DEPRESSURIZE THE AFTERCOOLER FAILURE TO HEED THIS WARNING MAY RESULT IN SERIOUS PERSONAL INJURY AND OR DAMAGE TO THE UNIT NEVER REMOVE REPAIR OR REPLACE ANY ITEM ON THE AFTERCOOLER WHILE IT IS PRESSURIZED WHEN INSTALLING THIS KIT ALWAYS COMPLY WITH THE NATIONAL ELECTRICAL CODE AND ALL OTHER APPLICABLE FEDERAL STATE AND LOCAL CODES SECTION 1 INTRODUCTION 1 1 DESCRIPTION OF OPERATION The FP 4 freeze protection kit is designed to prevent aftercooler freeze up when the ambient temperature is near or below freezing 32 F 0 C The FP 4 has a two stage solid state temperature controller The controller is mounted inside a Nema 4 enclosure The controller is used to energize a control relay which is rated to handle the load of the aftercooler fan at the various voltages The linear platinum temperature sensor and thermowell mount into the piping between the FIGURE 1 A ITEMS INCLUDED WITH THIS KIT outlet manifold of the aftercooler and the separator When the temperature of the com pressed air system at the aftercooler outlet falls to 35 F the controller
23. Fig 7 on page 6 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 2 as a guide T775A B M SERIES 2000 CONTROLLER The controller may be mounted in any orientation However mounting in the orientation shown in Fig 1 permits proper viewing of the LCD display and use of the keypad NEMA 4 Enclosure Mounting For models with NEMA 4 enclosures ensure that waterproof wire conduit fittings are used at the knockouts for all wiring attachments See Fig 7 on page 6 for knockout locations IMPORTANT For NEMA 4 enclosures be sure to cover and seal all unused open knockouts Temperature Sensor s Mounting and Location Temperature sensors may be located up to 1 000 feet 304 m from the T775A B M controller See Table 3 on page 10 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 s
24. HE CONDUIT Install the straight conduit connector on the control box Reference Figure 2 D The supplied conduit will be used to run between the aftercooler and the control box Connect the conduit to the straight connector Install the 90 degree elbow connector on the aftercooler Reference Figure 2 D 2 5 INSTALLING THE TRANSFORMER JUMPERS WARNING BEFORE STARTING THIS PROCEDURE TURN OFF ELECTRICAL POWER FAILURE TO HEED THIS WARNING MAY RESULT IN SERIOUS PERSONAL INJURY AND OR DAMAGE TO THE UNIT This kit was designed to operate at 230V 3PH 60Hz or 460V 3PH 60Hz Two jumpers were shipped inside the control box They must be installed on the transformer before connecting the power to the control box Install the jumper s as shown in Figure 2 E for the desired voltage CAUTION It is important that this procedure be properly completed before continuing with installation This kit will not operate without the jumpers Damage to the control box will occur if the jumpers are improperly installed 2 6 ELECTRICAL CONNECTIONS WARNING BEFORE STARTING INSTALLATION PROCEDURES OR ATTEMPTING TO MAKE ANY WIRING CHANGES TURN OFF ELECTRICAL POWER FAILURE TO HEED THIS WARNING MAY RESULT IN SERIOUS PERSONAL INJURY AND OR DAMAGE TO THE UNIT WHEN INSTALLING THIS KIT ALWAYS COMPLY WITH THE NATIONAL ELECTRICAL CODE AND ALL OTHER APPLICABLE FEDERAL STATE AND LOCAL CODES A 7 8 hole in the top right side of the control
25. IME FOR RELAY 1 gt M24533 Fig 67 Setup Outputs Relay Reset Runtime 62 0254 03 2 SETUP ADVANCED OPTIONS 2 3 4 1 1 3 DERIVATIVE modulating floating relay only The Derivative option displays only on the T775B2016 T775B2024 T775B2032 and T775B2040 models when the Type option Floating 1 From the menu use the A and Y buttons to high light DERIVATIV 2 Press the gt button to display the actuator value 3 Use the A and Y buttons to increase decrease the desired number of seconds Default 0 seconds Range 0 to 3 600 seconds 4 Press the gt button to accept the value and display the SCHEDULE option Continue with 2 3 4 2 SCHEDULE for the remaining relay selections 2 3 4 2 SCHEDULE This selection displays only if Use Sched YES is selected during the Output Options setup see page 24 When selected individual outputs default to follow the schedule 1 Press the gt button to display the Schedule values 2 Use the A and Y buttons to select YES or NO Default YES 3 Press the gt 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 2 3 4 3 RESET RT run time hours This selection displays only if Show RT YES is selected during Output Options setup see page 25 1 From the
26. ING 24 VAC A 250 OHM RESISTOR PROVIDES 40 AUTHORITY WHEN USING A 150 OHM MINIMUM POSITION POTENTIOMETER INSERT 340 OHM RESISTOR INCLUDED ACROSS TERMINALS R AND W M24485 Fig 18 Wiring for changeover relay and minimum position potentiometer used with Series 90 Modutrol Motors WIRING APPLICATIONS EXAMPLES T775A B M SERIES 2000 CONTROLLER M9184 OR M9185 L1 MODUTROL MOTOR HOT M9184 OR M9185 MODUTROL MOTOR M9184 OR M9185 MODUTROL MOTOR MODULATING OUTPUT TERMINAL MOD 1 A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A USE A 1300 OHM RESISTOR FOR TWO MOTORS 910 OHM RESISTOR FOR THREE MOTORS THE 407EAU RESISTOR KIT WHICH IS SHIPPED WITH THE M9184 AND M9185 MOTORS INCLUDES BOTH RESISTORS INSERT 340 OHM RESISTOR INCLUDED ACROSS TERMINALS R AND W M04266 Fig 19 Wiring for three Series 90 Modutrol Motors L1 HOT pale A MINIMUM M9184 OR 185 ep POSITION POTENTIOMETER MODUTROLIMOTOR Q209 S963 M9184 OR M9185 N MODUTROL MOTOR CHANGEOVER CONTROLLER M9184 OR M9185 2N MODUTROL MOTOR MODULATING OUTPUT TERMINAL MOD 1 A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A UP TO SIX SIMILAR MOTORS CAN BE CONNECTED IN UNISON A USE RESISTOR BETWEEN R AND B ON THE MOD 1 TERMINAL 1300 OHMS FOR TWO MOTORS 910 OHMS FOR THREE MOT
27. MOD 1 4 TYPE 0 10 V 2 10 V SERIES 90 SELECT TYPE FOR MOD 1 M24513 Fig 47 Setup Outputs Mod Out Type SETUP SETUP OUTPUTS OUTPUTS L MOD 1 MOD 1 L LUE E gt 4 MIN OUT 0 ENTER MINIMUM PERCENT FOR MOD 1 M24514 Fig 48 Setup Outputs Mod Out Minimum Output Percentage SETUP SETUP L OUTPUTS OUTPUTS L MOD 1 MOD 1 lt INTEGRAL L Thee n 400 ENTER INTEGRAL TIME FOR MOD 1 M24515 Fig 49 Setup Outputs Mod Out Integral NOTES 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 2 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 the offset from setpoint during steady state control that is often seen in proportional only control 62 0254 03 2 SETUP ADVANCED OPTIONS 2 3 1 1 TYPE of output signal 1 From the Mod menu use the A and Y buttons to highlight TYPE 2 Press the gt button to display the Type selections 3 Usethe Aand V buttons to highlight the desired outpu
28. MPORTANT 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 T775A B M control ler 24 Vac or 120 Vac or 240 Vac T775A B M SERIES 2000 CONTROLLER See Fig 7 on page 6 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 7 on page 6 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 Single 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 Prepare wiring for the terminal blocks as follows 1 Strip 1 2 in 13 mm insulation from the conductor 2 single wire to 3 16 in 5 mm Insert the wire in the required terminal location and tighten the Screw 3 If two or mor
29. NENT LAYOUT and WIRING DIAGRAM TRANSFORMER S T SENSOR c IMPORTANT THE FAN MOTOR MUST ROTATE IN THE CORRECT DIRECTION REFERENCE THE AFTERCOOLER OPERATOR S MANUAL FOR PROPER ROATION DIRECTION IF IT DOES NOT THE ROTATION CAN BE CORRECTED BY SWITCHING TWO OF THE POWER LEADS TO THE MOTOR PAGE 4 SECTION 2 INSTALLATION 2 7 SETTING THE CONTROLLER The controller was factory set for normal operation The factory settings are as follows RELAY 1 SETPOINT 35 F DIFFERENTIAL 10 F MODE COOLING Turn on the main power to the FP 4 control If the settings have been changed set them to the factory settings following the procedures below The controller will retain the setting if the power is disconnected PROGRAMMING PROCEDURES 1 Press MENU key then press RIGHT arrow key three times Use the UP and DOWN arrow to select the SETPOINT Press the RIGHT arrow to store the setpoint in memory 2 Press the RIGHT arrow to set the DIFFERENTIAL Use the UP and DOWN arrow to set the differential Press the RIGHT arrow to store the differential in memory 3 Press the RIGHT arrow key to set the HEATING COOL ING mode Use the UP or DOWN arrow to select the desired mode Press the RIGHT arrow to store the mode in memory 4 Press RIGHT arrow three times to exit the program mode FIGURE 2 G CONTROLLER DISPLAY S IS bus SECTION 3 3 1 OPERATION Once the kit is installed and set properly j
30. ORS 4074EAU KIT IF COMMON TRANSFORMER IS USED ALL MOTORS MUST BE IN PHASE CONNECT THE SAME TRANSFORMER LEAD TO T1 ON EACH MOTOR CONNECT THE OTHER TRANSFORMER LEAD TO T2 ON EACH MOTOR A USE TEMPERATURE CONTROLLER SUCH AS H205 OR H705 OR T675A FOR CHANGEOVER CONTROL AUTHORITY OF MINIMUM POSITION POTENTIOMETER IF USED INCREASES WITH THE NUMBER OF MOTORS IN PARALLEL WITH ONE MOTOR 50 STROKE WITH TWO MOTORS 100 STROKE WITH THREE MOTORS 100 STROKE WITH 1 3 OF FULL POTENTIOMETER ROTATION A REVERSING THE B AND W TERMINALS ON ONE OR MORE MOTORS WILL NOT AFFECT CONTROL PERFORMANCE ON THE OTHER MOTORS THE SYSTEM CAN BE CONFIGURED TO HAVE SOME MOTORS BE REVERSE ACTING AND OTHER MOTORS BE DIRECT ACTING A USE SEPARATE TRANSFORMER FOR T775 WHEN POWERING FROM 24 VAC A THE SYSTEM IS SHOWN CONNECTED FOR COOLING FOR HEATING REVERSE THE W AND B LEADS OF THE MODULATING OUTPUT ON THE T775 CONTROLLER M24482 Fig 20 Wiring for unison control of M9184 or M9185 Modutrol IV Motor using one minimum position potentiometer for all motors 9 62 0254 03 T775A B M SERIES 2000 CONTROLLER CHECKOUT Inspect all wiring connections at the controller terminals and verify compliance with the installation wiring diagrams 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 If
31. R T775R WHEN USING 24 VAC 250 OHM RESISTOR M24480 Fig 13 Wiring for ML7984 valve actuator L L DIGITAL INPUT HOT M24482 Fig 14 Wiring for Digital Input dry contact HONEYWELL MODUTROL MOTOR WITH 4 20 mA MODULATING INPUT MODULATING OUTPUT TERMINAL MOD 1 A USE SEPARATE TRANSFORMER FOR T775R WHEN USING 24 VAC M24481 Fig 15 Wiring for mod motor or direct coupled actuator with 4 to 20 mA control input HONEYWELL MODUTROL MOTOR WITH VOLTAGE CONTROL INPUT MODULATING OUTPUT TERMINAL MOD 1 A USE SEPARATE TRANSFORMER FOR T775R WHEN USING 24 VAC M24483 Fig 16 Wiring for mod motor or direct coupled actuator with 0 to 10 Vdc control input 62 0254 03 WIRING APPLICATIONS EXAMPLES HONEYWELL ELECTRONIC SERIES 90 MODUTROL MOTOR MODULATING B OUTPUT TERMINAL R G MOD 1 TO VERIFY OUTPUT TEST OPEN CIRCUIT VOLTAGE BETWEEN THE MOD 1 TERMINALS W AND 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 T775R WHEN USING 24 VAC A INSERT 340 OHM RESISTOR INCLUDED ACROSS TERMINALS R AND W M24484 Fig 17 Wiring for Series 90 Modutrol Motor Control HONEYWELL MINIMUM POSITION ELECTRONIC SERIES 90 POTENTIOMETER SPDT CHANGEOVER MODUTROL MOTOR Q209 H205 OR H705 MODULATING OUTPUT TERMINAL MOD 1 A USE SEPARATE TRANSFORMER FOR T775R WHEN US
32. Relay menu press the gt button to display the Reset RT values 2 Use the A and Y buttons to select YES or NO Default NO 3 Press the gt 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 individ ual relay You must do this for each relay that you want to reset to zero 28 2 SETUP ADVANCED OPTIONS SETUP OUTPUTS lt RELAY 1 RESET SCHEDULE RESET RT EXIT gt M24534 Fig 68 Setup Outputs Relay Exit T775A B M SERIES 2000 CONTROLLER 2 4 EXIT Setup Mode Press the 4 button to exit the selected relay set up and return to the Outputs menu To setup the next relay output go to 2 3 4 Setting up the Relays on page 26 If you are finished setting up the relay outputs press the HOME button to exit Setup mode and return to the home Screen display This completes the Setup procedure 29 62 0254 03 T775A B M SERIES 2000 CONTROLLER 3 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
33. Sensor B menu use the Y button to high light HI LIMIT or LOW LIMIT 2 Press the button display the LIMIT value 3 Usethe A and Y buttons to increase decrease the desired Limit value 4 Press the gt button to accept the value and return to the Limit menu 20 2 SETUP ADVANCED OPTIONS SETUP L SENSORS L gt SETUP SENSORS lt SENSOR B UNITS CALIBRATE LABEL SETUP LIMIT SENSORS HI LIMIT SENSOR B gt THROT RNG EXIT ENTER VALUE FOR SENSOR B THROTLING RANGE M24510 Fig 44 Setup Sensors Sensor B Throttling Range SETUP a OUTPUTS SETUP lt OUTPUTS MOD 2 RELAYS OPTIONS RELAY 1 RELAY 2 RELAY 3 RELAY 4 EXIT M24511 Fig 45 Setup Outputs Menu SETUP L OUTPUTS Lp MIN OUT INTEGRAL DERIVATIV SCHEDULE RESET EXIT M24512 Fig 46 Setup Outputs Modulating Output Menu T775A B M SERIES 2000 CONTROLLER 2 2 4 2 THROTTLING RANGE Sensor B only The throttling range for the modulating high or low limit positions the setpoint at the end of the throttling range For example with a high Heat limit at Sensor B of 200 F and a throttling range of 10 F the modulating output controlling Sensor A begins to throttle back at 190 F and fully closes at 200 F Conversely the throttling range for the low limit begins above the Cooling setpoint in the same manner 1 From the Limit menu use the Y button to highlight THROT RNG
34. TIONS OPTIONS lt MIN OFF L Lube dd 0 SEC ENTER MINIMUM OFF TIME FOR RELAYS p M24522 Fig 56 Setup Outputs Options Min Off Time SETUP SETUP L OUTPUTS OUTPUTS L OPTIONS OPTIONS L 0 5 9 DI OPTS DISABLE gt SETBACK IGNORE SELECT DI OPTIONS FOR OUTPUTS p M24523 Fig 57 Setup Outputs Options DI Options SETUP SETUP L OUTPUTS OUTPUTS L OPTIONS OPTIONS lt SHOW RT EME YES USE RUNTIME FOR RELAYS gt M24524 Fig 58 Setup Outputs Options Show Runtime T775A B M SERIES 2000 CONTROLLER 2 3 3 2 MIN OFF minimum off time for all relays Thi all 1 s is the minimum number of seconds of off time for relays Press the p gt button to display the Min Off value 2 Use the A and Y buttons to increase decrease the desired number of seconds from 0 to 990 seconds in 10 second increments Default 0 zero Range 0 to 990 seconds 3 Press the gt button to accept the seconds and display the DI OPTIONS NOTES 1 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 lt button at any time 2 3 3 3 DI OPTIONS digital input option
35. accept the units and return to the Sensor A selections 2 2 2 2 CALIBRATE the sensor Ensure that the wire size calibration value is within the limits See Temperature Sensor Calibration on page 10 1 From the Sensor A selections use the A and V buttons to highlight CALIBRATE 2 Press the gt button to display the calibration degree value 3 Use the A and Y buttons to increase decrease the desired calibration degrees Default 0 0 Range 10 F 6 C 4 Press the gt button to accept the value and return to the Sensor A selections 2 2 2 3 LABEL the sensor input For a sensor already labeled the display positions to and highlights that label 1 From the Sensor A selections use the A and V buttons to highlight LABEL 2 Press the p button to display the label list 3 Use the A and buttons to scroll through list and highlight the desired label You may need to scroll up or down to view all possi ble labels 4 Use the gt 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 2 SETUP ADVANCED OPTIONS SETUP SENSORS lt SENSORA UNITS CALIBRATE LABEL EXIT gt M24506 Fig 40 Setup Sensors Sensor A Exit SETUP Ly SENSORS SETUP lt SENSORS SENSORS SENSOR A SENSOR B EXIT SETUP SENSORS 4 SENSOR B CALIBRATE gt L
36. and display its content Up and Down arrow buttons A and W to scroll up and down through a list of items or to increase or decrease the value of a displayed parameter NOTE f you press the HOME button or there is no key pad 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 12 1 PROGRAMMING 1 PROGRAMMING 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 4 and gt arrow buttons to move forward and backward through the menus NOTES 15 The controller interface is intuitive You may find that you do not need the following proce dure instructions to program the controller You may want to use this procedure simply as a reference to locate the particular option or parameter of interest 2 The menus can display only those relays that are defined in Setup see 2 3 2 NBR OF RELAYS on page 24 For example if you configure only two relays then only two relays display on the appropriate menus 3 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 4 If you press the MENU button you exit Pro
37. and return to the Options menu 5 From the Options menu use the Use the A and V buttons to highlight EXIT 6 Press the gt button to return to the Schedule menu 31 62 0254 03 T775A B M SERIES 2000 CONTROLLER MENU MENU L SCHEDULE SCHEDULE lt MON FRI E1 SETPT gt E1 TIME E2 SETPT E2 TIME EXIT M24541 Fig 74 Schedule Event Menu Showing MON FRI MAIN SCHEDULE SCHEDULE L MON FRI MON FRI L 21 lt 1 SETPOINT 4 SETBACK NOT USED SELECT SETPOINT FOR EVENT 1 M24542 Fig 75 Schedule Event 1 Setpoint 62 0254 03 3 SCHEDULING 3 3 Setting Individual Schedules As shown in the Schedule menu Fig 69 on page 30 schedules can be set for the following time periods Monday through Friday Saturday and Sunday Individual days of the week 1 From the Schedule menu use the A and Y buttons to highlight the desired time period 2 Press the gt button to display the Schedule menu for the selected time period For each selected time period the schedule event E1 and E2 parameters are exactly the same as shown in Fig 74 SCHEDULING EXAMPLE Setting the schedule is independent of the temperature settings for the relay outputs The following illustrates a weekly schedule for daytime setpoint and night time setback use and shows the factory default settings Table 4 Mon Fri Schedule Defaults
38. e 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 Cutthe 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 1 STRIP 1 2 IN 13 MM FROM WIRES TO BE ATTACHED AT ONE TERMINAL 1 2 13 2 TWIST WIRES TOGETHER WITH PLIERS A MINIMUM OF THREE TURNS 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 M24473 Fig 6 Attaching two or more wires at terminal blocks 5 62 0254 03 T775A B M SERIES 2000 CONTROLLER Controller Wiring Details The wiring connection terminals are shown in Fig 7 and are described in Table 2 See Fig 8 Fig 20 beginning on page 6 for typical T775A B M wiring applications KNOCKOUT A n ST SENSOR A 9 1 Ro A Une Bos ET SENSORB MOD 2 DIGITAL To INPUT KNOCKOUT B ooo POWER 24VAC OUTPUT RELAY 3 OUTPUT 1228 POWER RELAY 4 Se SES 120 240 VAC GNO NO OUTPUT OUTPUT RELAY 2 KNOCKOUT C KNOCKOUT D KNOCKOUT E A SENSORS AAND B USE THE TWO TT CONNECTIONS AND ARE POLARITY INSENSITIVE FOR MOD 1 AND MOD 2 CURRENT mA
39. ensor NOTES 1 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 on page 2 for this type of installation SENSOR PLACED USE HEAT CONDUCTIVE Ex IN WELL COMPOUND J ____ prea am BUR AAA C PR IMMERSION WELL M24470 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 4 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 temperature sensor wiring and the T775A B M controller wiring 3 62 0254 03 T775A B M SERIES 2000 CONTROLLER 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
40. h relay the Summary display indicates the time and temperature in parenthesis for each of the two scheduled events E1 and E2 1 Press the MENU button to view the menu 2 Use the A and Y buttons to highlight SUMMARY 3 Press the p button to display the Summary settings 4 Use the gt 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 A and V buttons to cycle through the individual relay schedules for that day When finished press the home key to return to the home display screen 62 0254 03 SUMMARY MENU TROUBLESHOOTING 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 Errors and Diagnostics The controller provides an error message and diagnostic status as described below 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 Sho
41. he gt button to accept the highlighted selec tion and display the next option 15 62 0254 03 T775A B M SERIES 2000 CONTROLLER MENU PROGRAM RELAY 1 lt SETBACK PROGRAM Le RELAY 1 L 60 ENTER SETBACK SETPOINT FOR RELAY 1 M24498 Fig 32 Program Setback MENU lt PROGRAM MOD 1 MOD 2 RELAY 1 RELAY 2 RELAY 3 RELAY 4 EXIT gt M24499 Fig 33 Program Exit 62 0254 03 1 PROGRAMMING 1 2 5 SETBACK The Setback temperature option displays if scheduling is enabled see Fig 55 on page 24 or the DI Option is set to Setback see Fig 57 on page 25 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 A and Y buttons to high light SETBACK 2 Use the A and Y buttons to increase decrease the desired setpoint temperature Default 60 F 16 C Range 40 F to 248 F 40 C to 120 C 3 Press the gt button to accept the value and display the menu 1 2 6 Program Next Output Mod or Relay For the next output Mod or Relay select the desired output from the Program menu see Fig 26 on page 14 Go to 1 2 1 SETPOINT on page 14 to program the next output When you finish programming the outputs continue with 1 2 7 E
42. hether they are active In Program Setup or Schedule mode the LCD displays the current menu selection 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 but tons 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 22 and Fig 23 T775A B M SERIES 2000 CONTROLLER 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 lt and gt Use these buttons to move backward 4 and forward P through the Program and Setup menus Up and Down Arrow Buttons A and V Use these button
43. l 304 T775 SENS WR Water resistant with 5 foot leads 1 2 in threading included with NEMA 4X models T775 SENS WT Watertight with 6 foot lead T775 SENS OAT Outdoor air temperature sensor e C7031D2003 5 inch immersion sensor with wiring box use immersion well P N 50001774 001 e C7031J2009 12 foot duct averaging sensor with wiring box C7046D1008 8 inch duct probe with mounting flange e C7100D1001 12 inch fast response duct averaging sensor with flange e C7130B1009 Room mount sensor 8 See form 62 0265 Temperature Sensors for the T775 Series 2000 Stand alone Controller Controller Dimensions TOP 1 25 5 25 2 74 H Er N 4 13 32 112 1 lt T r 2 12 4 331 32 101 ient t E KE 4 1 16 103 4 L 1 64 3 8 I 4 1 16 103 4 8 5 32 207 1 7 23 32 196 2 do 213 16 71 8 ri y ____ H FRONT VIEW 78 22 5 TI8 22 5 78 22 5 D Y 1 25 5 le gt BOTTOM M24279 Fig 1 T775A B M dimensions in inches mm 62 0254 03 2 BEFORE INSTALLATION BEFORE INSTALLATION Review the Specifications on page 35 before installing the controller en Installing This Product Read these instructions carefully Failure to follow them could damage the product or cause a hazard
44. l of your system you must replace the controller 13 62 0254 03 T775A B M SERIES 2000 CONTROLLER Programming the T775A B M Controller To program the controller perform the following procedures in the order listed 1 Enter Program mode see 1 1 Entering Program Mode 2 Program the Outputs see 1 2 Program Menu for Outputs on page 14 MENU MENU 4 PROGRAM 4 PROGRAM MENU Dn RELAY 1 gt MOD 2 RELAY 2 RELAY 1 RELAY 3 RELAY 2 RELAY 4 RELAY 3 EXIT RELAY 4 EXIT M24492 Fig 26 Program Menu MENU PROGRAM PROGRAM RELAY 1 RELAY 1 SETPOINT gt DIFFRNTL SENSOR HEAT COOL SETBACK EXIT M24493 Fig 27 Program Menu Outputs MENU PROGRAM PROGRAM I RELAY 1 RELAY 1 gt lt SETPOINT 70 ENTER SETPOINT FOR RELAY 1 gt M24494 Fig 28 Program Setpoint 62 0254 03 1 PROGRAMMING When programming is complete you may continue with 8 Scheduling on page 30 or for advanced options continue with 2 Setup Advanced Options on page 17 1 1 Entering Program Mode Press the MENU button then select PROGRAM and press the button to view the Program menu Fig 26 shows the Program menus for controllers with and without Modulating Outputs NOTE Modulating outputs are not available on the T775A and T775B controller models 1 2 Program Menu for Outputs Press the MENU button select PROGRAM then select RELAY 1 or MOD 1 to view the parame
45. mined 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 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 35 62 0254 03 DOC T775A B M SERIES 2000 CONTROLLER Automation and Control Solutions Honeywell International Inc Honeywell Limited Honeywell Limit e 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Toronto Ontario M1V 4Z9 Honeywell customer honeywell com U S Registered Trademark 2007 Honeywell International Inc Se kasus 62 0254 03 M S Rev 09 07 post consumer paper fibers
46. nsor values and modulating output percentages The information is a snapshot taken when you press the 4 or gt button to display the screen IMPORTANT After four minutes of inactivity no buttons pressed the LCD display reverts to the home screen display 11 62 0254 03 T775A B M SERIES 2000 CONTROLLER Accessing the Menus Menus are used for programming scheduling viewing the summary settings and setup of advanced options Programming Scheduling and Summary Menus To access these menus from the home screen press the MENU button See Fig 24 MENU DISPLAY WHEN MENU DISPLAY WHEN SCHEDULING IS SET SCHEDULING IS NOT SET MENU PROGRAM HOME RELAYS 1234 ON PROGRAM gt SCHEDULE EXIT SUMMARY EXIT MOD1 40 MOD2 60 pd 0 igi Fig 24 Menus Depending on whether scheduling is enabled or not the LCD displays one of two menus as shown in Fig 24 Scheduling is enabled from the Setup menu s Output settings see 2 3 3 1 USE SCHED on page 24 Setup Menu To access the Setup menu press and hold the MENU button for five seconds See Fig 25 62 0254 03 INTERFACE OVERVIEW SETUP OUTPUTS EXIT HOME RELAYS 1234 SEGONDS oo io Fig 25 Setup Menu Using the Menus When you are working with the menus use the Left arrow button 4 to scroll backward through the menus Right arrow button P to select the highlighted menu item
47. ntegral action allows for controlling to a setpoint even with a wide throttling range 22 2 SETUP ADVANCED OPTIONS SETUP SETUP L OUTPUTS OUTPUTS L MOD 1 MOD 1 lt DERIVATIV L biz ENTER DERIVATIVE TIME FOR MOD1 M24516 Fig 50 Setup Outputs Mod Out Derivative SETUP SETUP L OUTPUTS OUTPUTS L MOD 1 MOD 1 lt SCHEDULE YES p NO USE SCHEDULE FOR OUTPUTS L ETS M24517 Fig 51 Setup Outputs Mod Out Schedule SETUP OUTPUTS 4 MOD 1 TYPE MIN OUT INTEGRAL DERIVATIV SCHEDULE EXIT gt M24518 Fig 52 Setup Outputs Mod Out Exit T775A B M SERIES 2000 CONTROLLER 2 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 A and Y buttons to highlight DERIVATIV 2 Press the gt button to display the Derivative sec onds 3 Usethe A and Y buttons to increase decrease the value Default 0 zero Range 0 to 3 600 seconds 4 Press the gt button to accept the seconds and return to the Mod menu 2 3 1 5 SCHEDULE The Schedule option displays only if the USE SCHED parameter is set to Yes see page 24 1 From the Mod menu use the A and Y buttons to highlight SCHEDULE
48. number from 1 to 4 depending on the model See notes below 4 Press the gt button to accept the value and display the Outputs menu NOTES 1 The T775A B M models have the following outputs available T775A2019 1 relay output T775B2016 up to 2 relay outputs T775B2024 up to 4 relay outputs T775B2032 up to 2 relay outputs T775B2040 up to 4 relay outputs T775M2006 no relay outputs T775M2014 up to 4 relay outputs 2 The number of relay outputs entered here determines how many relays display on the home screen 2 3 3 OPTIONS 1 From the Outputs menu use the Aand Y buttons to highlight OPTIONS 2 Press the gt button to display the Options menu 2 3 3 1 USE SCHED 1 Press the gt button to display the schedule selec tions 2 Use the Aand Y buttons to highlight YES or NO Default NO 3 Press the gt 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 key and then the menu key to view the Schedule options in the menu See 2 3 1 5 SCHEDULE on page 23 24 2 SETUP ADVANCED OPTIONS SETUP SETUP L OUTPUTS OUTPUTS L OP
49. or all installations regardless of the power source 24 120 or 240 Vac See Fig 5 on page 5 WIRING APPLICATIONS EXAMPLES Fig 8 20 illustrate typical controller wiring for various applications SENSORA M24475A Fig 8 Wiring for two stage control 24 Vac input and 24 Vac load WIRING APPLICATIONS EXAMPLES T775A B M SERIES 2000 CONTROLLER M24476A A FOR 240 VAC LOAD CONNECT TO 240 TERMINAL M24478A Fig 9 Wiring for four stage control 24 Vac input Fig 11 Wiring for four stage control with 120 or 240 and 24 Vac load Vac 120 Vac input and 120 Vac load shown SENSORA 120 240 VAC LINE DEVICE BARCODE IN CLOSE RELAY TO DRIVE DEVICE OPEN RELAY 1 SHOWN RELAYS 1 AND 3 ARE USED FOR OPEN A CLOSE RELAY TO DRIVE DEVICE CLOSED RELAY 2 SHOWN RELAYS 2 AND 4 ARE USED FOR CLOSE THE RELAYS MUST BE WIRED IN PAIRS WITH RELAYS 1 AND 2 BEING THE FIRST PAIR AND RELAYS 3 AND 4 BEING THE SECOND PAIR L1 HOT M24479 12 Fig 12 Wiring for floating output Relay 1 and Relay 2 pair shown POWER SUPPLY A FOR 240 VAC LOAD CONNECT TO 240 TERMINAL M24477A Fig 10 Wiring for two stage control with 120 or 240 Vac 120 Vac input and 120 Vac load shown 62 0254 03 T775A B M SERIES 2000 CONTROLLER ML7984 ACTUATOR POWER OUTPUT A MODULATING OUTPUT TERMINAL MOD 1 A USE SEPARATE TRANSFORMER FO
50. ough a list of items or to increase or decrease the value of a displayed schedule parameter Creating a Schedule To create a schedule perform the following in the order listed 1 Enable Scheduling in Setup mode see 2 3 3 1 USE SCHED on page 24 2 Enter Schedule mode see 3 1 Entering Sched ule Mode 3 Setthe Schedule Options see 3 2 OPTIONS 4 Set Individual Schedules begin with 3 3 Setting Individual Schedules on page 32 5 Exit Schedule Mode see 3 4 Exiting Scheduling Mode on page 33 3 1 Entering Schedule Mode Press the MENU button then select SCHEDULE and press the button to view the Schedule menu 3 2 OPTIONS 1 From Schedule menu use the A and Y buttons to highlight OPTIONS 2 Press the gt button to display the Options menu 30 3 SCHEDULING MAIN MAIN L SCHEDULE SCHEDULE Le OPTIONS OPTIONS gt lt SET TIME 08 12 AM M24538 Fig 71 Schedule Options System Time MAIN MAIN SCHEDULE SCHEDULE L OPTIONS OPTIONS Eu 4 DATE 01 01 2007 SET SYSTEM DATE M24539 Fig 72 Schedule Options System Date MAIN MAIN L SCHEDULE SCHEDULE L OPTIONS OPTIONS DYE lt DAYLIGHT YES gt NO USE DAYLIGHT SAVING TIME gt M24540 Fig 73 Schedule Options Daylight Saving Time T775A B M SERIES 2000 CONTROLLER 3 2 1 SET TIME Setting the system time is req
51. 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 Programming see page 13 Scheduling optional see page 30 o Additional topics are Temperature sensor calibration begins on page 10 Interface overview begins on page 11 Setup for advanced options begins on page 17 Summary menu begins on page 34 Troubleshooting begins on page 34 MOUNTING This 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 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 5 and
52. 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 A SENSOR AAND SENSOR B TERMINAL WIRING IS POLARITY INSENSITIVE WIRING NOTE Each T775 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 Multiple Parallel 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 SENSORS TO T775 CONNECTIONS SENSOR A OR SENSOR M24471 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
53. rs on the 45 F transformer are properly installed Reference Section 2 5 Check the fuses on the transformer Controller not set properly Check the controller settings as outlined in Section 2 7 The controller may be set in the heat mode or the set points set too high Set the controller to the recommended settings Controller failure Check the controller settings If the controller is properly set check the main power source Check the controller display for error codes Section 4 2 outlines what the error codes indicate and the necessary steps Sensor failure If the sensor is faulty a will be displayed for the temperature on the controller display Refer to Section 4 2 for further details If the sensor is faulty it must be replaced Control relay faulty Check the control power at the relay coil Check the relay for proper operation Replace if faulty 4 2 CONTROLLER ERROR CODES The controller display panel is used to display error codes in the event of problems with the controller The four error codes are listed below SENSOR FAILURE The displayed for the temperature indicates that there is a problem with the sensor The sensor is open or shorted All relays will be de energized in the event of a sensor failure If the sensor is damaged it must be replaced EE EEPROM FAILURE The EE error code indicates that there is a problem with EEPROM The values read back from the EEPROM are not the same as what was
54. rted 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 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 Bl blinks while the relay s minimum off time is active 34 SPECIFICATIONS SPECIFICATIONS Power 24 120 or 240 Vac 50 60 Hz A separate earth ground is required for any power source Power Consumption 8VA 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 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
55. s The DI Option you select applies to all outputs This option overrides any Setpoint Setback values entered in the Schedule 1 Press the gt button to display the DI Option selec tions 2 Use the A and Y buttons to highlight DISABLE SETBACK or IGNORE Default DISABLE 3 Press the gt 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 096 output SETBACK enables a setback temperature value to be programmed for each output program the Setback temperature see Fig 32 on page 16 IGNORE causes the digital input to have no effect on the Relay or Mod outputs 2 3 3 4 SHOW RT show run time hours Press the gt button to display the Show RT values 2 Use the A and buttons to select YES or NO Default YES 3 Press the gt button to accept the value and return to the Options menu Selecting YES shows the RT run time hours for each relay on the home screen displays NOTE 25 Run times can be reset to zero for each individ ual relay You must do this for each relay that you want to reset to zero See 2 3 4 3 RESET RT run time hours on page 28 62 0254 03 T775A B M SERIES 2000 CONTROLLER SETUP OUTPUTS lt OPTIONS USE SCHED MIN OFF DI OPTION SHOW RT
56. s Included Enclosure T775A2009 Standard T775A1001 1 None None 1 1 NEMA 1 T775B2016 Standard N A 2 None 1 2 1 NEMA 4X T775B2024 Standard T775C1009 T775D1008 4 None 2 2 1 NEMA 4X T775B2032 Standard T775A1019 T775B1000 2 None 1 2 1 NEMA 1 T775B2040 Standard T775A1027 T775A1035 4 None 2 2 1 NEMA 1 T775B1018 T775B1026 T775B1042 T775M2006 Modulating N A None 2 N A 2 1 NEMA 1 T775M2014 Modulating T775G1005 777561013 4 2 N A 2d 1 NEMA 4X T775G1021 T775G1039 T775M2022 Modulating N A 2 2 N A 2d 1 NEMA 4X T775M2030 Modulating T775E1114 T775F1022 4 2 N A 2d 1 NEMA 1 T775F1055 T775F1089 T775M2048 Modulating T775E1015 T775E1023 2 2 N A 2d 1 NEMA 1 T775E1056 T775E1064 T775E1098 All models include a digital input for use with the disable or setback option gt The modulating analog outputs are 4 20 mA 0 10 Vdc 2 10 or Series 90 selectable Each floating output eliminates two SPDT relays 4 These models can support a high low modulating limit at Sensor B for temperature control at Sensor A CE s E4436 62 0254 03 T775A B M SERIES 2000 CONTROLLER PRODUCT DESCRIPTION Temperature Sensors Accessories The controller accepts 1 097 Ohms PTC at 77 F 25 C 107324A Bulb Holder duct insertion 50021579 001 Standard sensor included with all 107408 Heat Conductive Compound 4 ounce models except NEMA 4X models 50001774 001 Immersion Well stainless stee
57. s to move your selection up and down through a menu or list When the desired item is highlighted you press the gt arrow button 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 lt or gt 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 Active relays are indicated by the small black square Bl just below the relay number Fig 23 shows the home screen with relays 1 2 and 4 energized Pressing the and gt 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 1234 ON HOME RELAYS 1234 MOD 1 4076 COOL SETPOINT HOME RELAYS 1234 REL 1 gt ON HEAT SETPOINT RT 12345 HRS MOD1 40 MOD2 60 B LL M24489 MOD1 40 MOD2 60 8 L L Fig 23 LCD Display Home Screen Displaying Sensors Active Relays and Mod Outputs MOD1 40 MOD2 60 L o NOTE The modulating output home screen and the relay home screen do not dynamically update the active relay status se
58. se the desired number of seconds Default 90 seconds Range 0 to 3 600 seconds 4 Press the gt button to accept the value and display the INTEGRAL option The actuator run time is defined as the time needed to move the actuator from the fully closed to fully open position and visa versa 2 3 4 1 1 2 INTEGRAL modulating floating relay only The Actuator option displays only on the T775B2016 T775B2024 T775B2032 and T775B2040 models when the Type option Floating 1 From the menu use the A and Y buttons to high light INTEGRAL 2 Press the gt button to display the actuator value 3 Use the A and Y buttons to increase decrease the desired number of seconds Default 400 seconds Range 0 to 3 600 seconds 4 Press the gt button to accept the value and display the DERIVATIV option See Integral NOTES on page 22 for additional information about setting the Integral time 27 62 0254 03 T775A B M SERIES 2000 CONTROLLER SETUP L OUTPUTS L FLOAT 1 L DERIVATIV SETUP OUTPUTS FLOAT 1 lt DERIVATIV ENTER DERIVATIVE TIME FOR FLOAT gt oas Fig 65 Setup Outputs Floating Relay Derivative SETUP L OUTPUTS L RELAY 1 L ES SETUP OUTPUTS RELAY 1 lt SCHEDULE YES gt NO USE SCHEDULE FOR OUTPUTS M24532 Fig 66 Setup Outputs Relay Schedule SETUP Ly OUTPUTS L RELAY 1 L PER SETUP OUTPUTS RELAY 1 lt RESET RT YES RESET RUN T
59. t type Default 4 20 mA 4 Press the gt button to accept the selected type and return to the Mod menu 2 3 1 2 MIN OUT The minimum output 96 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 096 1 From the Mod menu use the A and Y buttons to highlight MIN OUT 2 Press the gt button to display the Min Out 96 3 Use the A and Y buttons to increase decrease the desired value from 0 to 100 in 1 increments Default 096 Range 0 to 10096 4 Press the gt button to accept the percentage and return to the Mod menu 2 3 1 3 INTEGRAL 1 From the Mod menu use the A and Y buttons to highlight INTEGRAL 2 Press the gt button to display the Integral seconds 3 Usethe A and Y 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 gt button to accept the seconds and return to the Mod menu 3 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 I
60. ters Fig 27 shows RELAY 1 NOTE For MOD 1 and 2 THROT RNG replaces DIFFRNTL NOTE The Setback parameter displays only if schedul ing is enabled see Fig 55 on page 24 or the DI Option is set to Setback see Fig 57 on page 25 Continue with 1 2 1 SETPOINT 1 2 1 SETPOINT 1 From the menu use the A and Y buttons to high light SETPOINT 2 Press the p button to display the setpoint value 3 Use the A and buttons to increase decrease the desired setpoint temperature Default 70 F 21 C Range 40 F to 248 F 40 C to 120 C Press the gt button to accept the setpoint tempera ture and display the next option gt 1 PROGRAMMING PROGRAM Le RELAY 1 PII MENU PROGRAM RELAY 1 lt DIFFRNTL 20 ENTER DIFFERENTIAL FOR RELAY 4 gt M24495 Fig 29 Program Differential or Throttling Range PROGRAM Le RELAY 1 gt SSS MENU PROGRAM RELAY 1 4SENSOR SENSOR B SELECT SENSOR FOR RELAY 1 gt m2449 Fig 30 Program Sensor PROGRAM Le RELAY 1 o IIS MENU PROGRAM RELAY 1 lt HEAT COOL HEAT gt COOL SELECT HEAT COOL FOR RELAY 1 M24497 Fig 31 Program Heat Cool T775A B M SERIES 2000 CONTROLLER 1 2 2 DIFFERENTIAL or THROTTLING RANGE Differential is used for Relay outputs and Throttling Range is used for Modulating outputs 1 From the menu use the A and Y buttons to high light THROT RNG or DIFF
61. uired to enable the controller to follow daylight saving time IMPORTANT Set the Date before setting the Time See 3 2 2 SET DATE 1 From the Options menu use the and Y buttons to highlight SET TIME 2 Press the gt button to display the current system time setting 3 Use the gt button to cycle between the hour minute and AM PM values 4 Use the A and Y buttons to increase decrease the desired value for the hour minute and AM PM 5 Press the 4 button to accept the Time and return to the Options menu 3 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 1 From the Options menu use the A and Y buttons to highlight SET DATE 2 Press the gt button to display the current system date setting 3 Use the gt button to cycle between the month day and year values 4 Use the A and Y buttons to increase decrease the desired value for the month day and year 5 Press the 4 button to accept the Date and return to the Options menu 3 2 3 DAYLIGHT daylight saving time 1 From the Options menu use the A and Y buttons to highlight DAYLIGHT 2 Press the gt button to display the current system setting for daylight saving time 3 Use the A and Y buttons to select YES or NO Default YES 4 Press the gt button to accept the value
62. ust energize the controller and it will operate automatically The controller will turn off half of the aftercooler fan when the temperature of system air at the outlet of the aftercooler falls to 35 F The fan will turn on when the system temperature rises to 45 F Reference chart in Figure 3 A The heat tape is controlled by its own internal thermostat Power is supplied to the heat tape as long as the control box is energized The temperature controller is equipped with a LCD display During normal operation when the fan are operating temperature above set points the sensor temperature and RELAYS 1 ON will be displayed on the controller NOTE The cover on the control box must be opened to view the temperature controller display TEMP NULL TEMP RISE PAGE 5 SECTION 4 TROUBLESHOOTING 4 1 TROUBLESHOOTING PROCEDURES POSSIBLE CAUSES SOLUTIONS 1 Aftercooler fan motor Controller not set properly Check the controller settings as outlined in Section 2 7 The continues to operate system temperature below 35 F controller may be set in the heat mode or the set points set too low Set the controller to the recommended settings Control relay faulty Check the control relay Replace if faulty 2 Aftercooler fan motor No power to the control box Check main electrical power source not operating system temperature above No power to the controller Check the transformer Make sure that the jumpe
63. will automatically turn off of the fan The controller is set for a 10 F dead band to prevent rapid cycling fan will turn off at 35 F and on at 45 F A 12 foot heat tape and 30 feet of insulation wrap are provided to wrap around the separator The heat tape is equipped with its own internal temperature control The heat tape and insula tion will provide additional freeze up protection 1 2 THIS KIT INCLUDES 1 Control box 2 12lllong heat tape w thermostat 3 300long roll of insulation wrap 4 Copper 1 2 NPT thermowell w clip 5 Cord grip connector 6 Linear platinum sensor 7 2llof 3 8 flexible conduit 8 Three 3 seal fittings for connectors 9 3 8 conduit straight connector 10 3 8 90 degree elbow connector 11 1 x 1 2 NPT bushing 12 Four 4 12 14 x 1 self tapping screws 13 Heat Condictive Compound PAGE 1 SECTION 2 INSTALLATION 2 1 MOUNTING THE CONTROL BOX The control box should be mounted near the FIGURE 2 A MOUNTING THE CONTROL BOX outlet manifold of the aftercooler Make sure that the control box is close enough so that all components can reach the box when in stalled rm l Drill the four pilot holes in the mounting surface using a 1 8 drill Reference Figure 2 A for dimensions The control box will be mounted with the hinged side of the enclosure on the bottom Fasten the controller in place using the four 4 12 14 x 1 long self tapping screws supplied with the
64. written into the EEPROM This error cannot be field repaired The controller must be replaced 60 F 270 F 51 132 C Blinking TEMPERATURE OUT OF RANGE The temperature display blinks when the sensed temperature is outside of the display range below 60 F 51 C or above 270 F 132 C The displayed value remains at the display limit and the controller continues to function unless an open or shorted condition is detected BLINKING RELAY STATUS This occurs when the Relay Minimum Off Time is active The blinks while the relay s minimum off time is active PAGE 6 SECTION 5 REPLACEMENT PARTS 5 1 REPLACEMENT PARTS ITEMNO DESCRIPTION PART NO 120LONG HEAT TAPE 26 8151 300ROLL OF INSULATION WRAP 1 26 0712 1 2 NPT THERMOWELL w CLIP 29 0325 CORD GRIP CONNECTOR 26 5618 SENSOR 26 7186 3 8 FLEXIBLE CONDUIT 26 0875 SEAL FITTING FOR CONNECTOR 26 0883 3 8 CONDUIT STRAIGHT CONNECTOR 26 1068 3 8 90 ELBOW CONDUIT CONNECTOR 26 1078 1 X 1 2 NPT BUSHING 14 0402 12 14 x 1 SELF TAPPING SCREW 28 1286 TEMPERATURE CONTROLLER 26 7185 MOTOR RELAY 26 0919 TRANSFORMER 26 5637 1 AMP FUSE 26 5336 6 AMP FUSE 26 5638 GRAY TERMINAL 26 0380 YELLOW TERMINAL 26 0382 GREEN TERMINAL 26 0384 END CLAMP TERMINAL 26 0388 JUMPER FOR TERMINAL 26 0686 JUMPER FOR TRANSFORMER 26 5663 OQ P A PAGE 7 SE
65. xiting Program Mode on 16 1 2 7 Exiting Program Mode Press the HOME button to leave programming mode and return to the home screen This completes the programming procedure 2 SETUP ADVANCED OPTIONS 2 SETUP ADVANCED OPTIONS 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 The controller interface is intuitive You may find that you do not need the following setup instructions for the sensors and outputs You may want to use this procedure simply as a reference to locate the particular option or parameter of interest NOTES 1 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 2 If you press the MENU button you exit Setup mode and return to the menu Setup Procedure The Setup process uses a hierarchical menu structure that is easy to use You press the lt and gt arrow buttons to move forward and backward through the menus NOTE The menus can display only those relays that are defined in Setup see 2 3 2 NBR OF RELAYS on page 24 For example if you con figure only two relays then only two relays dis play on the appropriate menus SETUP SETUP lt SENSORS SENSORA SENSOR B EXIT M24500 Fig 34 Setup Sensors Menu SETUP SETUP Le SENSORS SENSORS 4 SENSORS

Honeywell AC-220-7 User's Manual

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