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Model 8650 SUREFLOW Face Velocity Controller Operation

1. 5 7 Technical SectliOn z casus ned oce e Ae ra EE eA Ded 7 Software 8 Menu and Menu 12 Calibration e ev Dc 22 Optimizing Controller Performance 040 0 23 Maintenance and Repair 24 Troubleshooting Section sse nnne 25 APPENDIX A e 37 Fe edd Ps Y aci 37 APPENDIX B PU E 39 Network Communications 39 Modbus 39 2 Communications Description of 42 LonWorks Node 44 LonWorks 45 8650 BACnet MS TP Protocol Implementation Conformance Statement 46 BACnet MS TP Object 042404000 0 nne 48 49 Wiring Imomali 2 cnt ede Det EL 49 53 ACCESS Codes 1
2. SELECT key is used to gain access to specific menu items To access a menu item scroll through the menu items until item appears Press the SELECT key and the menu item will now appear on the first line of the display and the second line will show the item value 3 Pressing the SELECT key when finished changing a menu item will save the data and exit back to the menu items An audible tone 3 beeps and visual display saving data gives confirmation data has been saved A V keys The keys are used to scroll through the menus menu items and through the range of item values that can be selected Depending on the item type the values may be numerical specific properties on off or a bar graph NOTE When programming a numerical menu item continuously pressing the arrow key will scroll through the values faster than if arrow key is pressed and released Keystroke Procedure The keystroke operation is consistent for all menus The keystroke sequence is the same regardless of the menu item being changed 1 2 Press the MENU key to access the main menu Use the A F keys to scroll through the menu choices The blinking cursor needs to be on the first letter of the menu you want to access Press the SELECT key to access chosen menu The menu selected is now displayed on line 1 and the first menu item is displayed on line 2 Use the A F keys to scroll through the menu items Scroll through the menu items until desired it
3. The velocity sensor must reference air from the same space as the fume hood space If fume hood cabinet extends above to the ceiling a Model 8691 Sensor Venting Kit must be installed See Calibration The velocity sensor must reference air from the same space as the fume hood space If fume hood cabinet extends above to the ceiling a Model 8691 Sensor Venting Kit must be installed See Optimizing Controller Performance Go into CONTROL menu SPEED item and increase speed by one bar Response may be slow if a pneumatic actuator was installed 35 Caution light continuously Display indicates steady velocity Caution light on continuously Displayed velocity wildly fluctuating 36 Controller is in setback mode Controller is not controlling Exhaust air is not adequate Control is unstable Exhaust system unstable Laboratory supply air is affecting the sensor Very high exhaust static pressure Display should read SETBACK Press SETBACK key and control should return to normal See Troubleshooting Chart Control System is Not Controlling Turn controller to emergency If displayed velocity doesn t increase exhaust air is inadequate Go into CONTROL menu SPEED item Turn speed down until velocity fluctuations are minimized Turn controller to emergency If controller velocity stabilizes this is not the problem Check location of supply air diffusers They should b
4. BACnet Advanced Application Controller B AAC BACnet Application Specific Controller B ASC BACnet Smart Sensor B SS L1 BACnet Smart Actuator B SA List all BACnet Interoperability Building Blocks Supported Annex K DS RP B DM DDB B DS WP B DM DOB B DS RPM B DM DCC B Segmentation Capability Segmented requests not supported Segmented responses not supported 46 Appendix B Standard Object Types Supported Analog Input No No Analog Value No No Present Value Real Binary Input No No Active Text Inactive Text Binary Value No No Active Text Present Value Inactive Text Enumerated Multi state Input No No State Text Multi state Value No No State Text Present Value Unsigned Int Device Object No No Object Name Char String Max Master Unsigned Int Data Link Layer Options BACnet IP Annex J L1 BACnet IP Annex J Foreign Device L1 ISO 8802 3 Ethernet Clause 7 ANSI ATA 878 1 2 5 Mb ARCNET ANSI ATA 878 1 RS 485 ARCNET MS TP master Clause 9 baud rate L1 MS TP slave Clause 9 baud rate s Point To Point EIA 232 Clause 10 baud rate s Point To Point modem Clause 10 baud rate s LonTalk Clause 11 medium Other Clause 8 Clause 8 baud rate s S 76 8k 38 4k 19 2k 9600 bps 7A Device Address Binding Is static device binding supported This is currently necessary for two way communication w
5. Network Modbus Communications Hex 01 RESPONSE Field Name Slave Address Function Byte Count Data Hi Data Lo Data Hi Data Lo Error Check CRC 64 100 ft min 00 00 0 Normal 41 2 Communications Description of Variables Description of Variables NPT Network Point Type Variables are defined as analog inputs binary inputs and analog outputs Analog inputs are current control parameters and items that the controller is measuring Binary inputs represent controller states Analog outputs are the programmable setpoints for the face velocity controller These setpoints can be changed through the keypad or by over writing the current setpoint NPA Network Point Address Address of the desired point Change of Status COS Face Velocity Analog Input The 8650 has the ability to change control setpoints locally The alarm setpoints need to be based on the controllers control setpoint Al 42 The unit can be changed from Normal Mode to Setback Mode For example the setpoint could go from 100 ft min to 60 ft min when the Setback key is pressed If the COS alarm setpoints are not changed to accommodate you could get low alarm or low warning messages when the unit is working correctly If these alarm points are set outside of the setback and main velocity setpoint values incorrect alarm messages can be prevented Override Analog Input Command Analog Input values can be set using the override command These value
6. The SENSOR ZERO item is used to calibrate the SureFlow NONE Unit needs to velocity sensor at zero flow be calibrated upon initial A sensor zero should be established prior to adjusting the installation sensor span see Calibration section following menu item listing The SENSOR SPAN item is used to calibrate the SureFlow NONE Unit needs to velocity sensor to match the fume hood average face velocity be calibrated The average face velocity is measured by traversing the fume upon initial hood face with a portable air velocity meter see Calibration installation section following menu item listing A sensor zero should be established prior to adjusting the sensor span see Calibration section following menu item listing The ACCESS CODE item selects whether an access code ON or OFF OFF pass code is required to enter the menu The ACCESS CODE item prevents unauthorized access to a menu If the ACCESS CODE is ON a code is required before the menu can be entered Conversely if the ACCESS CODE is OFF no code is required to enter the menu The END OF MENU item informs you that the end of a menu has been reached You can either scroll back up the menu to make changes or press the SELECT or MENU key to exit out of the menu Hed CONTROL MENU SENSITIVITY The SENSITIVITY item selects the integral dead band The 0 to 10 bars 8 bars SENSITIVITY SPEED CONTROL SIGNAL SPEED CONTROL SIG integral dead ba
7. 2 75sec 1sec 4 2 5 38566 6 55866 7 10 sec 8 20sec 9 40 10 Units Units of device 0 fimin m s e 1 1 Latched 1 Oto 10 Volt Permanent mute enable 0 1 2 15 39 Audible Disable Network Address 5 Communications Address 1 247 Control Action Action of control signal 0 Reverse 1 Direct Min Damper Minimum damper position 0 to 255 Max Damper Maximum damper position 0 to 255 Damper Position Current damper position 0 to 100 100 Not available on standard Model 8650s 1 2 3 4 5 7 8 No flow alarm setpoint Displayed in ft min 12 13 14 1 3 2 c 40 Appendix B Modbus Communications continued EXAMPLE of 16 10 Hex Preset Multiple Regs function format This example changes the low alarm setpoint to 60 ft min QUERY Field Name Slave Address Function Starting Address Hi Starting Address Lo No Of Registers Hi No Of Registers Lo Data Value High Data Value Low Error Check CRC RESPONSE Field Name Slave Address Function Starting Address Hi Starting Address Lo No of Registers Hi No of Registers Lo Error Check CRC EXAMPLE of 03 Read Holding Registers function format This example reads the face velocity and status index QUERY Field Name Slave Address Function Starting Address Hi Starting Address Lo No Of Registers Hi No Of Registers Lo Error Check CRC
8. s output DIRECT OR DIRECT direction As an example If the control system closes the REVERSE exhaust damper instead of opening the damper this option will reverse the control signal to now open the damper eoiuuoe Le CONTROL MENU continued Ke VALUE Ti VALUE ACCESS CODE Ke VALUE Ti VALUE ACCESS CODE END OF MENU WARNING The VALUE and Ti VALUE items provide you with the ability to manually change the PI control loop variables DO NOT CHANGE THESE VALUES UNLESS YOU HAVE A THOROUGH UNDERSTANDING OF PID CONTROL LOOPS CONTACT TSI FOR ASSISTANCE PRIOR TO CHANGING ANY VALUES Incorrectly changing a value will result in poor or non existent control Suggestion Before changing Kc or Ti change the SPEED or adjust the SENSITIVITY to try to eliminate the problem The VALUE item changes the gain control coefficient When this item is entered a value for is indicated on the display If the SureFlow controller is not controlling correctly hunting oscillating or controlling slowly the VALUE control coefficient may need adjusting Decreasing Kc will slow the control system down making it more stable The Ti VALUE item changes the integral control coefficient When this item is entered a value for Ti is indicated on the display If the SureFlow controller is not controlling correctly the unit may have an inappropriate Ti VALUE control coefficient Increasing Ti will slow the control
9. setpoint The item name LOW ALARM will now be displayed on line 1 and the item s current value will be displayed on line 2 Item Name Current Value Press the key to change the low alarm setpoint to 60 FT MIN VELOCITY 100 FT MIN MENU SETPOINTS CONFIGURE TEST SELECT SETPOINTS SETPOINT SETPOINTS LOW ALARM TEST SELECT LOW ALARM 80 FT MIN LOW ALARM 60 FT MIN i Part Two 9 Press the SELECT key to save the new TEST low alarm setpoint SELECT Three short beeps will sound LOW ALARM indicating that the data is SAVING DATA being saved Immediately after the data is saved the SETPOINTS SureFlow controller will return to the menu LOW ALARM level displaying the menu title on the top line of the display and the menu item on the bottom line goes to step 4 e Press the MENU key once to return to the menu level MENU SETPOINTS CONFIGURE Press the MENU key a second time to return to the normal operating level MENU Unit is now back in VELOCITY normal operation 100 FT MIN Technical Section 11 Menu Menu Items The SureFlow controller is a very versatile device which can be configured to meet your specific application This section lists all of the menu items available to program and change except diagnostics menu Changing any item is accomplished by using the keypad or if communications are installed through the RS 485 Communications port If you are unfamiliar w
10. 1 High Alarm 4 il No Flow Alarm 0 1 Flow Alarm 5 BE Sensor Error 0 1 Sensor Error Data Error 0 1 Data Error Emergency Mode 0 Normal 1 Emergency AO Units O English 1 Metric Not available on standard Model 8650s The units of the variables are based on the units variable When the units variable is set to 0 the values are in English form When the units variable is set to 1 the units are metric English is the default units Network Modbus Communications 43 LonWorks Node Object Node Obiect Network Variables nviRequest nvoStatus SNVT obj request SNVT obj status nviSetTime nvoAlarm SNVT alarm SNVT time stamp Configuration Properties nci 17 Location nciLocation 4 Alarm Output Inhibit Time nciOutInht LonWorks Controller Status Definition 0 Occupied 1 Unoccupied Override Note Setting nviRequest object request to RQ CLEAR ALM clears the current alarm from the controller and the BAS 44 Appendix B LonWorks Object Fume Hood Face Vel Controller Network Variables nvoFaceVelocity SNVT speed mil nvoDamperPos SNVT lev percent nvoControlMode SNVT occupancy nvoUnitState SNVT state nvoSetpoint SNVT speed mil nvoSetback SNVT speed mil nvoHighAlarmSet SNVT speed mil nvoLowAlarmSet SNVT speed mil nviControlMode SNVT_occupancy nviMute SNVT_switch nviOverrideOn SNVT switch nviSetpoint SN
11. Dimensions Velocity Sensor Temperature Compensation Range Power Dissipation Damper Actuator Types of Actuator Input Power 5 to 980 ft min 80 to 1 000 ft min SPST N C Max current 5 0 amps max voltage 150 VDC 250 VAC Maximum switch load 10 mA 5 VDC Contacts close in alarm condition Yes Modbus RTU or N2 standard LonWorks Optional BACnet MS TP Optional 32 to 120 50 msec 24 VAC 6 watts max 5 5 in x 3 125 in x 1 125 in 0 75 Ib 55 to 95 F 0 09 watts at 0 ft min 0 14 watts at 100 ft min 2 75 in x 1 25 in 0 2 Ib 4 conductor 22 AWG 4 pin polarized at both ends with a standard length of 6 ft a maximum length of 10 ft Electric Electric 24 VAC 7 5 watts max Time for 90 Rotation 1 5 sec electric 37 38 This page intentionally left blank Part Two Network Communications Network communications are available on the Model 8650 The Model 8650 can communicate with a building management system through Modbus N2 LonWorks or BACnet MS TP protocols Please refer to the appropriate section below for more detailed information Modbus Communications Modbus communications are installed in the Model 8650 adaptive offset room pressure controllers This document provides the technical information needed to communicate between the host DDC system and the Model 8650 units This document assumes the programmer is
12. familiar with Modbus protocol Further technical assistance is available from TSI if your question is related to TSI interfacing to a DDC system If you need further information regarding Modbus programming in general please contact Modicon Incorporated a division of Schneider Electric One High Street North Andover MA 01845 Phone 800 468 5342 The Modbus protocol utilizes the RTU format for data transfer and Error Checking Check the Modicon Modbus Protocol Reference Guide 300 for more information on CRC generation and message structures The messages are sent at 9600 baud with 1 start bit 8 data bits and 2 stop bits Do not use the parity bit The system is set up as a master slave network The TSI units act as slaves and respond to messages when their correct address is polled Blocks of data can be written or read from each device Using a block format will speed up the time for the data transfer The size of the blocks is limited to 20 bytes This means the maximum message length that can be transferred is 20 bytes The typical response time of the device is around 0 05 seconds with a maximum of 0 1 seconds Unique to TSI The list of variable addresses shown below skips some numbers in the sequence due to internal Model 8650 functions This information is not useful to the DDC system and is therefore deleted Skipping numbers in the sequence will not cause any communication problems All variables are outputted
13. indicates SETBACK and the yellow light CAUTION turns on If the SETBACK key is pressed when the unit is in setback mode the controller returns to normal control setpoint Programming Keys Gray with Blue Characters The four keys with blue print are used to program or configure the unit to fit a particular application MENU key The MENU key performs three functions 1 Provides access to the menus when in the normal operating mode 2 When the unit is being programmed the MENU key acts as an escape key to remove you from an item or menu without saving data 3 Returns the unit to the normal operating mode The MENU key is further described in the Software Programming section of this manual User Basics 3 SELECT key The SELECT key performs three functions 1 Provides access to specific menus 2 Provides access to menu items 3 Saves data Pressing the SELECT key when finished with a menu item will save the data and exit you out of the menu item A Y keys The A Y keys are used to scroll through the menus menu items and through the range of item values that can be selected Depending on the item type the values may be numerical specific properties on off or a bar graph Emergency Key Red with Black Letters EMERGENCY key The red EMERGENCY key puts the controller into emergency mode The controller maximizes the face velocity by modulating the damper full open VFD to maximum Pressing the EMERGENCY key will caus
14. key is pressed the audible alarm beeps intermittently until the EMERGENCY or RESET key is pressed terminating the emergency alarm The emergency alarm cannot be silenced by pressing the MUTE key Audible Alarms All Except Emergency The audible alarm is continuously on in all low and high alarm conditions The audible alarm can be temporarily silenced by pressing the MUTE key once and permanently muted by pressing the MUTE key twice yellow mute light turns on 4 Part One If the audible alarm has been temporarily muted yellow mute light is off the alarm is silent until the face velocity returns to the safe velocity range The safe range is 20 ft min above the low alarm setpoint and 20 ft min below the high alarm setpoint The controller automatically resets the alarm to sound again if another alarm occurs see menu item ALARM RESET for options to turn alarms off If the audible alarm is permanently muted yellow mute light is on the audible alarm will remain off until the MUTE key is pressed once You can program the audible alarm so it cannot be permanently turned off see menu item AUD DISABLE The audible and visual alarms can be programmed to either automatically turn off when the unit returns to the safe range or to stay in alarm until the RESET key is pressed See menu item ALARM RESET Before Calling TSI This manual should answer most questions and resolve most problems you may encounter If you need assistance or further
15. such as an artist s brush If necessary water alcohol acetone or trichlorethane may be used as a solvent to remove other contaminants Use extreme care when cleaning the velocity sensors The ceramic sensor may break if excessive pressure is applied if sensor is scraped to remove contaminants or if the cleaning apparatus abruptly impacts the sensor Replacement Parts All components of the Face Velocity Control system are field replaceable Contact TSI or your nearest TSI Manufacturer s Representative for replacement part pricing and delivery Part Number Description Found on back of Model 8650 Face Velocity Controller unit 800320 Troubleshooting Section The SureFlow Face Velocity Controller is designed to be trouble free However installation problems or interaction with other HVAC components may cause system problems The SureFlow system is easy to troubleshoot if an organized approach to evaluate the system is taken Troubleshooting is broken down into hardware mechanical and software problems Hardware problems deal with the physical installation of the device Hardware problems include wiring problems incorrectly installed equipment and add ons or non TSI equipment Software problems include control problems configuration problems or interaction problems with the HVAC system The hardware test described in this section determines that all TSI mechanical components functioning correctly The hardware te
16. system down making it more stable The ACCESS CODE item selects whether an access code pass code is required to enter the menu The ACCESS CODE item prevents unauthorized access to a menu If the ACCESS CODE is ON a code is required before the menu can be entered Conversely if the ACCESS CODE is OFF no code is required to enter the menu The END OF MENU item informs you that the end of a menu has been reached You can either scroll back up the menu to make changes or press the SELECT or MENU key to exit out of the menu Kc 0 1000 Kc 100 Ti 2 0 1000 Ti 110 The range of values is very large Poor control will occur if values are more than twice or less than 1 2 the default value ON or OFF OFF Calibration The calibration section explains how to calibrate the SureFlow velocity controller and how to zero a TSI flow station pressure transducer CFM option The SureFlow Face Velocity Controller must be calibrated after being installed on the fume hood to provide accurate indication of fume hood face velocity An orange WARNING label is attached to every SureFlow controller indicating this as follows The label is to be removed when calibration is complete NOTE This section assumes that the velocity sensor has been correctly installed Inaccurate readings may be detected if velocity sensor is not installed correctly Review the Installation Instructions and verify that the sensor is installed correctly usually o
17. wiring or actuator VFD needs to be examined Go into DIAGNOSTICS menu CONTROL OUT item A number between 096 OPEN and 10096 OPEN will be displayed Pressing the Akey increases the number Pressing the W key decreases the number Change the CONTROL OUT value to read 096 OPEN or 10096 OPEN Note damper position Press an arrow key to change 096 OPEN to 10096 OPEN or 10096 OPEN to 096 OPEN Note position of damper Damper should have rotated 90 degrees If damper rotated 90 degrees actuator is installed and operating correctly If damper did not rotate check that Jumper is installed correctly on electric actuator or E P Damper is not physically stuck screws etc Wiring is correct between actuators and controller Check that voltage varies between 0 and 10 volts on pins 5 and 6 on electric actuator or E P see No control output signal Electric actuator is not over torqued The electric actuator has current limiting protection If damper is physically stuck or actuator is over current the actuator will shut down To restart either kill power to actuator or move damper in opposite direction CONTROL OUT menu item 31 Control system is not controlling continued SENSOR ERROR flashing on display 32 Defective variable frequency drive VFD Damper is full open or full closed won t move Controller not calibrated Poor sensor connections Defective sensor Defective sensor cable E
18. ED Toggle the remote emergency switch and the display should change between OPEN and CLOSED If no change replace DIM Disconnect remote wires from DIM Verify wiring with an Ohmmeter by switching the setback switch open and closed If operational reconnect to DIM Verify wiring and switch are good Enter DIAGNOSTICS menu SETBACK IN item Display will indicate OPEN or CLOSED Toggle the remote setback switch and display should change between OPEN and CLOSED If no change replace DIM Go into INTERFACE menu NET PROTOCOL item The protocol must match host system Select correct interface The network address at the building automation system and at the DIM must match The network address must be unique for each DIM Data sent to DIM may be in form that the SureFlow controller cannot recognize Contact factory for further assistance Go into CONFIGURE menu LON item Select GO UNCONFIG option press the SELECT key Return to the LON item select the SERVICE PIN option and press the SELECT key Selecting GO UNCONFIG will reset the 8650 s authentication key allowing the SERVICE PIN to install or reclaim the 8650 to the LonWork network Contact factory for assistance 33 Alarm relays don t work Actuator hunting Display indicates steady velocity Displayed velocity wildly fluctuating 34 Alarms are turned off Incorrect wiring Relay may be defective Control system is unstable Exhaust sy
19. NI SIS 1419 OQAO0L70 NI SIS THLO OGAOLO H3TIOHLNOO ISL LNO 1nO 2 NI OVA vc NI OVA vZ 109 01 008 Nid 318VO H3AHOJSNV L 02 008 N d WJIWHOJSNVHL 661008 N d H3TIOHLNOO 318 9 indino 026008 N d HOSN3S ALIOO TJA WVYSVIC SNISIM 1ndino WI NOO 104 AANOVE NO 13H93 AONSDYAWA L3NOV8 296008 N d ZN 60800010 296008 Nid 1 196008 N d WJTIOSINOO ALIDOTSA 1 5 526008 22 NNOO 7 139 a1avo YOSNAS SNEGOW ZN Sn80O0N ZN SNOW ZN ic Actuator Electr iagram D iring SureFlow W Figure 7 Appendix C 50 026008 HOSN3S ALIOOT3JA 526008 N d SMV NNOO v 149 18 5 5 INVHOVIG LAdNI AON3nO33 318VIHVA OL I LI inaN 05 36 1ndino 2 4 e E 1ndino C LHM TOMINOO NYO 7 LAdNI XNV MOVELAS WINOO LAdNI A13NOV8 NOTSHOS AONSDYAWA NI atz 8 985 NI AvZ GAY V S87Su Sn80ON ZN SNEGOW ZN day 333 ZN 008 Nid 18 9 WH3IAHOJSNVML L3NOV8 296008 N d 027008 Nid ZN Sn8QOW 296008 W3WHOJSNVHL 196008 N d H3TIOH LNOO ALIOOTSA 109 021 LAdNI I
20. RROR flashing on display TEST Analog output NOTE This test is only performed if analog output feature is being used Enter ANALOG OUT menu item in diagnostics menu A value between 0 and 255 will be displayed Hook up a DC voltmeter to pins 9 and 10 Press the A W keys to change output from 0 to 255 The value 255 corresponds to 0 volts 0 mA and 0 corresponds to 10 volts 20 mA The value 150 corresponds to approximately 5 volts 12 mA Analog Out menu item spans 0 to 20 mA in this function only At all other times the analog output is 4 to 20 mA If unit passed all tests the mechanical components are physically working If problems still exist go to troubleshooting chart for additional information on both hardware and software symptoms Diagnostics Menu The items in the diagnostic menu aid in identifying problems the staff may encounter The items in this menu temporarily change the function by pressing the A W keys No permanent change occurs with these menu items except ACCESS CODE Items are exited by pressing the MENU key When an item is exited the SureFlow controller returns to its normal state NOTE An access code is used to prohibit unauthorized access to the DIAGNOSTICS menu If you attempt to enter the DIAGNOSTICS menu when the access code is enabled Enter Code flashes on and off on the display To enter the menu enter the DIAGNOSTICS menu access code found in Appendix C Technical Section 27 Con
21. SUREFLOW FACE VELOCITY CONTROLLER MODEL 8650 OPERATION AND SERVICE MANUAL FEBRUARY 2013 STARTI SEEING BENEFIT REGISTERING TODAY Thank you for your TSI instrument purchase Occasionally TSI releases information on software updates product enhancements and new products By registering your instrument TSI will be able to send this important information to you http register tsi com As part of the registration process you will be asked for your comments on TSI products and services 7515 customer feedback program gives customers like you a way to tell us how we are doing e UNDERSTANDING ACCELERATED e TSI Incorporated Visit our website www tsi com for more information USA Tel 1 800 874 2811 India Tel 9180 67877200 UK Tel 44 149 4 459200 China Tel 86 10 8251 6588 France Tel 33 491 11 87 64 Singapore Tel 65 6595 6388 Germany Tel 49 241 523030 2012 TSI Incorporated Printed in U S A SUREFLOW FACE VELOCITY CONTROLLER U S AND CANADA Sales amp Customer Service 800 874 281 1 651 490 2811 Fax 651 490 3824 SHIP MAIL TO TSI Incorporated ATTN Customer Service 500 Cardigan Road Shoreview MN 55126 USA MODEL 8650 OPERATION AND SERVICE MANUAL P N 1980117 REVISION P FEBRUARY 2013 OTHER COUNTRIES Sales amp Customer Service 001 651 490 2811 Fax 001 651 490 3824 E MAIL answers tsi com WEB SITE www tsi com Copyright TSI I
22. VT speed mil nviSetback SNVT speed mil nviHighAlarmSet SNVT speed mil nviLowAlarmSet SNVT speed mil Configuration Properties nci49 Send Time nciMaxSendTime 52 MinSend Time nciMinSendTime nci27 Send Delta Speed nciSndDeltaSpd nci 88 Send Delta PositionnciSndDeltaPos Send Delta Flow nciSndDeltaFlow Network Modbus Communications 45 8650 BACnet MS TP Protocol Implementation Conformance Statement Date March 6 2007 Vendor Name TSI Inc Product Name SureFlow Face Velocity Controller Product Model Number 8650 BAC Applications Software Version 1 0 Firmware Revision 1 0 BACnet Protocol Revision 2 Product Description TSI s SureFlow Fume Hood Face Velocity Controller provides a closed loop VAV control system for proper lab hood containment SureFlow controller assures safety by responding quickly during sash movement or to disturbances within the sash plane to maintain a constant face velocity and contain hazardous chemicals SureFlow controller provides opportunities for energy savings lower fan brake horsepower smaller chillers and lower duct work cost by reducing the volume of air exhausted from a hood when the sash is not fully open This model controller is capable of acting as a stand alone device or as part of a building automation system via BACnet MS TP protocol BACnet Standardized Device Profile Annex L O BACnet Operator Workstation B OWS O BACnet Building Controller
23. aging period is the length of time the face velocity has been averaged before being displayed The DISPLAY AVG item value may be set between 0 3 and 40 seconds The higher the averaging value the more stable the display The UNITS item selects the unit of measure that the controller FT MIN m s displays all velocity related menu items setpoints alarms calibration etc The ALARM RESET item selects how the alarms terminate LATCHED after the unit returns to control setpoint UNLATCHED alarm OR follow automatically resets the alarm when the face velocity is UNLATCHED 20 ft min greater than the low alarm setpoint or 20 ft min below the high alarm setpoint LATCHED requires the staff to press the RESET key after the face velocity exceeds the low alarm setpoint by 20 ft min or is 20 ft min below the high alarm setpoint control setpoint The ALARM RESET affects the audible alarm visual alarm and relay output which means all are latched or unlatched The OUTPUT SIG item selects the type of analog velocity 0 to 10 VDC or signal output not control output signal The analog output 4 to 20 mA signal can either be 0 to 10 VDC or 4 to 20 mA The AUD DISABLE item selects if the audible alarm can be ON or OFF permanently muted by pressing the mute key once when not in alarm and twice if in alarm yellow light turns on ON means the alarm can be permanently muted from the keypad OFF means the alarm can only be temporarily muted fr
24. cannot program offset For example the control setpoints and alarm setpoints are as follows LOW ALARM SETPOINT HIGH ALARM 80 FT MIN 100 FT MIN 130 FT MIN When the SETBACK mode is selected setpoint 60 ft min the alarm offset will follow SETBACK SETBACK SETBACK LOW ALARM SETPOINT HIGH ALARM 40 FT MIN 60 FT MIN 90 FT MIN Notice the 20 ft min difference was maintained between the LOW ALARM and SETPOINT and 30 ft min difference was maintained between the SETPOINT and HIGH ALARM 5 The ALARM RESET item selects how the alarms will terminate when controller returns to the safe range The face velocity alarms all terminate the same they are either LATCHED or UNLATCHED If UNLATCHED is selected the low alarm automatically turns off when the face velocity exceeds the alarm value by 20 ft min Conversely the high alarm automatically turns off when the face velocity drops 20 ft min below the high alarm setpoint If LATCHED is selected the alarms will not terminate until the face velocity is 20 ft min greater than the low alarm setpoint high alarm 20 ft min below high alarm and the RESET key is pressed CONFIGURE MENU DISPLAY AVERAGE UNITS ALARM RESET OUTPUT SIGNAL AUDIBLE DISABLE NETWORK PROTOCOL DISPLAY AVG UNITS ALARM RESET OUTPUT SIG AUD DISABLE NET PROTOCOL 0 5 1 2 3 5 10 20 or 40 seconds The DISPLAY AVG item selects the display s averaging period The display aver
25. ce velocity is adequate This light indicates the fume hood is operating safely If the face velocity setpoint cannot be maintained the green light turns off and the red alarm light turns on Digital Display The alphanumeric digital display is a two line display that indicates actual face velocity alarm status menu options and error messages In normal operation green light is on the display continuously indicates the actual face velocity If an alarm occurs the display will indicate both the actual face velocity and the type of alarm As an example if a low alarm condition occurs the display will change from to VELOCITY ALARM LOW 100 FT min will change to read 55 FT min will indicate actual face velocity 55 ft min is example only When programming the unit the display will change and now show menus menu items and current value of the menu item depending on the specific programming function being performed 2 Part One Keypad The keypad has six keys The gray keys with black letters 4 keys are user information keys In normal operation these keys are active Additionally the red emergency key is active The gray keys with blue characters 4 keys are used to program the unit A thorough description of each key is given below User Keys Gray with Black Letters The four keys with black letters provide information without changing the operation or the function of the unit TEST key The TEST key initiates an inst
26. ch is at the end of this section of the manual so their function is not reviewed here If the SureFlow system passes each of the tests the mechanical piece parts are all functioning correctly Part Two TEST Control output damper rotation Enter CONTROL OUT menu item in diagnostics menu A number between 0 OPEN and 100 OPEN will be displayed Press the A V keys until either 0 OPEN or 100 OPEN shows on the display Note the position of the control damper If display reads 096 OPEN press the A key until 10096 OPEN is shown on display If display reads 10096 OPEN press key until 0 OPEN is shown on display Note the position of the damper The damper should have rotated 90 degrees If the damper rotated less than 85 degrees see Troubleshooting chart Control system is not controlling Return controller to normal operation and allow unit to modulate damper Press the EMERGENCY key and verify damper opened completely If damper opens completely it passes test If damper closes go into CONTROL menu CONTROL SIG and change damper direction TEST Sensor input Enter SENSOR INPUT menu item in diagnostics menu A number will be displayed It is not important what the exact number is to pass this test Tape over the velocity sensor SENSOR INPUT should read a steady number Remove tape and blow on sensor Displayed value should change If value changes the unit passes If display doesn t change go to Troubleshooting Chart SENSOR E
27. d EE don ctu Shaws ese Mee a RU RR dd 53 How to Use This Manual The SureFlow Operation and Service Manual describes how to operate configure calibrate maintain and troubleshoot the Model 8650 SureFlow Face Velocity Controller The manual is divided into two parts Part one describes the SureFlow unit and how to interface with the device This section should be read by users facilities staff and anyone who requires a basic understanding of how the device operates Part two describes the technical aspects of the product which include operation configuration calibration maintenance and troubleshooting Part two should be read by personnel programming or maintaining the unit TSI recommends thoroughly reading this manual before changing any software items NOTE This operation and service manual assumes that the SureFlow controller has been properly installed Refer to the Installation Instructions if there is any question as to whether the SureFlow controller has been installed properly Part One User Basics This section is designed to provide a brief but thorough overview of the SureFlow product installed These few pages explain the purpose The Instrument and the operation Useful user information Operator panel Alarms of the product Technical product information is available in Part Two of the manual The Instrument The SureFlow Face Velocity Controller measures reports and controls the face velocity
28. e as far from fume hood as is realistic 10 feet The diffuser terminal throw velocity at the fume hood face should be less than 50 of the average fume hood controlled face velocity Relocate supply air diffuser Turn controller to emergency Open sash 50 If velocity exceeds 500 ft min exhaust should be balanced Part Two Appendix Specifications System Performance Specifications Response Time Measurement Resolution Temperature Compensated Range Digital Interface Module 2 seconds nominal for 50 ft min step change 1 of measurement 55 to 95 F Display to 1 000 ft min Resolution 1 ft min Display Update 0 5 sec Inputs Setback SPST N O Switch Closing switch initiates condition Emergency 1 SPST N O Switch Closing switch initiates condition Outputs Analog Output DE e e AE E 0 to 10 VDC or 4 to 20 mA 1 000 ft min 5 ft min Response Time 0 1 second Low Alarm Range High Alarm Range Alarm Contacts Operating Temperature Internal Scan Rate Input Power
29. e contact input If the display indicates OPEN the SureFlow controller has not been put into emergency mode through the contact input However the SureFlow controller may be in emergency mode if it has been initiated through the keypad or the RS 485 network Sensor Input Menu item SENSOR INPUT The SENSOR INPUT item verifies that the DIM or controller electronics is receiving a signal from the sensor When this item is entered a number will be indicated on the display The exact number displayed is relatively unimportant It is more important that the displayed number changes when the velocity changes blow on sensor move sash etc If display does not change see Troubleshooting chart SENSOR ERROR flashing on display Access Code Menu Item ACCESS CODE The ACCESS CODE item selects whether an access code pass code is required to enter the menu The ACCESS CODE item prevents unauthorized access to a menu If the ACCESS CODE is ON a code is required before the menu can be entered Conversely if the ACCESS CODE is OFF no code is required to enter the menu Technical Section 29 Troubleshooting Chart Display is blank 30 Fuse is blown No power to DIM DIM is defective Measure voltage at pins 1 and 2 on DIM 10 pin connector The voltage should nominally be 24 to 40 VDC when using TSI electric actuators 24 to 30 VAC when using TSI pneumatic actuators 24 to 30 VAC when using motor speed drives If correct
30. e guidance of when a menu item should be changed The controller is shipped with PID values that are appropriate for 95 of the fume hoods installed In fume hoods where some adjustment is needed minor changes to the SENSITIVITY and SPEED menu items will yield excellent control The SENSITIVITY item selects when the unit goes into PID control Each bar missing on the display indicates that the controller must be 10 ft min away from control setpoint prior to activating PID control If 4 bars are missing the face velocity must be 40 ft min off setpoint before PID control is activated Conversely if 2 bars are missing the face velocity must only be 20 ft min off setpoint before PID control is activated The default of 2 bars missing is usually a good compromise between PID and integral control The SPEED menu item slows down the control output The controller is shipped with a control signal capable of rotating the damper 90 degrees in 5 seconds This may be too fast if the damper is in an unstable flow area very near the exhaust fan or there are competing air flows in Technical Section 23 the laboratory SureFlow controllers modulating VFD system will probably need to be slowed down since the control signal is substantially faster than the VFD fan can respond The remaining menu items Kc VALUE and Ti VALUE should not be adjusted unless severe stability problems exist Adjusting these variables may improve the response and stability but
31. e out of Emergency Multi State 2 Mode Value 2 Putinto Emergency Mode 3 Normal Multi State Setback Mode 1 Take out of Setback Mode Value 3 2 Put into Setback Mode 3 Normal Device 865001 518650 units are based on the value of the Units Value object When the Units Value is set to 0 the units are in English form When the Units Value is set to 1 the units are metric English is the default value The No Flow Alarm is not available on standard Model 8650s The device instance is 865000 summed with the MAC address of the device 48 Appendix B Appendix Wiring Information Back Panel Wiring JfTemminadStrip 2 1 2 Input 24 VAC to power Digital Interface Module DIM NOTE 24 VAC becomes polarized when connected to DIM LonWorks or BACnet MS TP communications to building management system optional 0 to 10 VDC fume hood exhaust control signal 10 VDC open n o damper See menu item CONTROL SIG See menu item LOW ALARM 9 10 Output High alarm relay N O closes in low alarm condition See menu item HIGH ALARM 5 RS 485 communications DIM to building management system Modbus or N2 See menu item EMERGENCY INPUT See menu item SETBACK See menu item OUTPUT SIG 49 086008 N d YOLVNLOV 21519913 NI MOV8O4 NI MOVads dd JAIA IYNLNIA 1nO MOT 90A0 4 4 1nO 9QA0L L
32. e the display to flash EMERGENCY the red alarm light to flash on and off and the audible alarm to beep intermittently To return to control mode press the EMERGENCY key or the RESET key Alarms SureFlow controller has visual red light and audible alarms to inform you of changing fume hood conditions The alarm levels setpoints are determined by facilities staff which could be Engineering Industrial Hygiene or a facilities group depending on how the safety staff is organized The alarms audible and visual will activate whenever the preset alarm level is reached The alarms will activate if the face velocity is low or inadequate high or too great or when the exhaust airflow is insufficient need optional flow station installed When the fume hood is operating safely no alarms will sound Example The low alarm is preset to activate when the face velocity falls below 60 ft min When the face velocity drops below 60 ft min the audible and visual alarms activate The alarms turn off when set to unlatched when the unit returns to the safe range which is defined as 20 ft min greater than alarm setpoint 80 ft min Visual Alarm The red light on the front of the unit indicates an alarm condition The red light is on for all alarm conditions low alarms high alarms and emergency The light is on continuously in a low or high alarm condition and flashes in an emergency condition Audible Alarm EMERGENCY key When the EMERGENCY
33. em is displayed Press the SELECT key to access chosen menu item The top line of display shows menu item selected while the second line shows current menu item value Use the keys to change menu item value Save the new value by pressing the SELECT key pressing the MENU key will exit out of menu function without saving data Press the MENU key to exit current menu and return to main menu Press the MENU key again to return to normal instrument operation If more than one item is to be changed skip steps 8 and 9 until all changes are complete If more items in the same menu are to be changed scroll to them after saving the data step 7 If other menus need to be accessed press the MENU key once to access list of menus the instrument is now at step 2 of the keystroke sequence Technical Section Programming Example The following example demonstrates the keystroke sequence explained above In this example the low alarm setpoint will be changed from 80 ft min to 60 ft min 10 Unit is in normal operation and is displaying 100 FT MIN Press the MENU key to gain access to the menus The first 2 menu choices are displayed Press the SELECT key to access the SETPOINT menu NOTE Blinking cursor must be on S in SETPOINTS Line 1 shows menu selected Line 2 shows first menu item Press the key until LOW ALARM is shown on display Menu selected Item name Press the SELECT key to access the low alarm
34. explanation contact your local TSI representative or TSI TSI is committed to providing high quality products backed by outstanding service Please have the following information available prior to contacting your authorized TSI Manufacturer s Representative or TSI Model number of unit 8650 Software revision level Facility where unit is installed First two items that scroll when TEST key is pressed Due to the different SureFlow models available the above information is needed to accurately answer your questions For the name of your local TSI representative or to talk to TSI service personnel please call TSI at U S AND CANADA OTHER COUNTRIES Sales amp Customer Service Sales amp Customer Service 800 874 2811 651 490 2811 001 651 490 2811 651 490 3824 001 651 490 3824 E MAIL TSI Incorporated answers tsi com Attn Customer Service 500 Cardigan Road WEB SITE Shoreview MN 55126 www tsi com USA User Basics 5 This page intentionally left blank Part One Part Two Technical Section The SureFlow Face Velocity Controller is ready to use SURERIO MAS after being properly installed and calibrated The calibration procedure should take less than 15 minutes Figure 2 shows the Digital Interface Module DIM which is programmed with a default configuration that can be easily modified to fit your Bi ALARM CAUTION NORMAL application technical section is
35. f form may be brought against Seller more than 12 months after a cause of action has accrued The goods returned under warranty to Seller s factory shall be at Buyer s risk of loss and will be returned if at all at Seller s risk of loss Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY AND LIABILITY which contains the complete and exclusive limited warranty of Seller This LIMITATION OF WARRANTY AND LIABILITY may not be amended modified or its terms waived except by writing signed by an Officer of Seller SERVICE POLICY Knowing that inoperative or defective instruments are as detrimental to TSI as they are to our customers our service policy is designed to give prompt attention to any problems If any malfunction is discovered please contact your nearest sales office or representative or call TSI s Customer Service department at 800 874 2811 or 651 490 2811 TRADEMARKS SureFlow is a trademark of TSI Incorporated CONTENTS HOW TO USE THIS MANUAL 2 ecce eric creen rae noir nnno ir cv aan RU CE Ran Bs IV PART ONE 1 lt ond zat etis ted aces a DEN E DE 1 Qaae I EE 1 Operator atc p eid easel secretes 2 tcc uL MM S c 4 Before Calling
36. h goods which are incorporated into other products or equipment or which are modified by any person other than Seller The foregoing is IN LIEU OF all other warranties and is subject to the LIMITATIONS stated herein NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE WITH RESPECT TO SELLER S BREACH OF THE IMPLIED WARRANTY AGAINST INFRINGEMENT SAID WARRANTY IS LIMITED TO CLAIMS OF DIRECT INFRINGEMENT AND EXCLUDES CLAIMS OF CONTRIBUTORY OR INDUCED INFRINGEMENTS BUYER S EXCLUSIVE REMEDY SHALL BE THE RETURN OF THE PURCHASE PRICE DISCOUNTED FOR REASONABLE WEAR AND TEAR OR AT SELLER S OPTION REPLACEMENT OF THE GOODS WITH NON INFRINGING GOODS TO THE EXTENT PERMITTED BY LAW THE EXCLUSIVE REMEDY OF THE USER OR BUYER AND THE LIMIT OF SELLER S LIABILITY FOR ANY AND ALL LOSSES INJURIES OR DAMAGES CONCERNING THE GOODS INCLUDING CLAIMS BASED ON CONTRACT NEGLIGENCE TORT STRICT LIABILITY OR OTHERWISE SHALL BE THE RETURN OF GOODS TO SELLER AND THE REFUND OF THE PURCHASE PRICE OR AT THE OPTION OF SELLER THE REPAIR OR REPLACEMENT OF THE GOODS IN THE CASE OF SOFTWARE SELLER WILL REPAIR OR REPLACE DEFECTIVE SOFTWARE OR IF UNABLE TO DO SO WILL REFUND THE PURCHASE PRICE OF THE SOFTWARE IN NO EVENT SHALL SELLER BE LIABLE FOR LOST PROFITS OR ANY SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES SELLER SHALL NOT BE RESPONSIBLE FOR INSTALLATION DISMANTLING OR REINSTALLATION COSTS OR CHARGES No Action regardless o
37. in fume hoods Adequate face velocity is a key component needed to protect fume hood users An adequate face velocity will contain all the contaminants inside of the fume hood The fume hood exhaust system produces a negative pressure differential between the fume hood s interior and the laboratory causing air to be drawn into the hood The speed air entering the fume hood is called the face velocity The Model 8650 SureFlow Face Velocity Controller continuously monitors fume hood face velocity by measuring the air velocity across a sensor mounted in the sidewall of the hood The sensor and opening in the fume hood are driven by the same pressure differential so the velocity across each is related The SureFlow controller modulates the exhaust to maintain an adequate face velocity at all times through the fume hood The controller displays the actual face velocity and has a green light on when the velocity is adequate If problems occur with the exhaust system and the face velocity becomes inadequate or too great the displayed velocity will indicate actual velocity and a red alarm light and audible alarm will turn on The SureFlow controller consists of three pieces a velocity sensor controller electronics and a modulating device electric actuator damper or variable frequency drive VFD The velocity sensor is mounted in the sidewall of the fume hood usually near the top of the sash The controller electronics are typically mounted about eye le
38. in English units ft min and CFM If the DDC system is to display different units the DDC system needs to make the conversion XRAM Variables These variables can be read using Modbus command 03 Read Holding Registers They can be written to using Modbus command 16 Preset Multiple Regs Many of these variables are the same menu items that are configured from the SureFlow controller keypad The calibration and control items are not accessible from the DDC system This is for safety reasons since each hood is individually setup for maximum performance TSI offers a number of different models so if a feature is not available on a unit the variable is set to 0 39 Modbus Communications continued 8650 Variable List Status of SureFlow device 0 Normal 1 Setback 2 3 Low Alarm 4 5 High Alarm 6 7 No Flow Alarm 8 9 Sensor Error 10 11 Data Error 12 13 Emergency fo Emergency Mode Put unit in or out of emergency Write only variable 0 Take unit out of emergency mode 1 Put unit in emergency mode 4 5 6 7 Face Velocit Status Index Setback Mode Put unit in or out of setback Write only variable 0 Take unit out of setback mode 1 Putunit in setback mode Main Setpoint Setback Setpoint Low Alarm High Alarm No Flow Alarm Low alarm setpoint Displayed in ft min Setback control setpoint Displayed in ft min High alarm setpoint Displayed in ft min Averaging Index Display averaging period 0 3sec 1 5sec
39. ith the keystroke procedure please see Software Programming section for a detailed explanation This section provides the following information Complete list of menus and all menu items Gives the menu or programming name Defines each menu item s function what it does how it does it etc Gives the range of values that can be programmed Gives default item value how it shipped from factory The menus covered in this section are divided into groups of related items to ease programming As an example all setpoints are in one menu alarm information in another etc The manual follows the menus as programmed in the controller The menu items are always grouped by menu and then listed in menu item order not alphabetical order Figure 4 shows a chart of all the Model 8650 standard controller menu items SETPOINTS SETPOINT SETBACK LOW ALARM HIGH ALARM MIN DAMPER MAX DAMPER ACCESS CODE CONTROL SENSITIVITY SPEED CONTROL SIG KC VALUE TI VALUE ACCESS CODE Menu items located in Troubleshooting section CONFIGURE DISPLAY AVG UNITS ALARM RESET OUTPUT SIG AUD DISABLE NET PROTOCOL NET ADDRESS LON MAC ADDRESS ACCESS CODE DIAGNOSTICS CONTROL OUT ANALOG OUT LOW RELAY HIGH RELAY SETBACK IN EMERGENCY IN SENSOR INPUT ACCESS CODE CALIBRATION SENSOR ZERO SENSOR SPAN ACCESS CODE LON Menu Item will only appear as a menu option for the 8650 Fume Hood Controller that includes an optional Lo
40. ith MS TP slaves and certain other devices No Networking Options L1 Router Clause 6 List all routing configurations e g ARCNET Ethernet Ethernet MS TP etc Annex H BACnet Tunneling Router over IP BACnet IP Broadcast Management Device BBMD Character Sets Supported Indicating support for multiple character sets does not imply that they can all be supported simultaneously TM IBM Microsoft DBCS ISO 10646 UCS 4 ANSI X3 4 ISO 10646 UCS 2 If this product is a communication gateway describe the types of non BACnet equipment networks s that the gateway supports Not Applicable Network Modbus Communications ISO 8859 1 L1 JIS C 6226 BACnet MS TP Object Set ft min Face Velocity Analog Input 1 iis Analog Input 2 96 Damper Position Analog Value 1 MAC Address 1 to 127 ft min Face Velocity Analog Value 2 Ws Setpoint Analog Value 3 pu Setback Setpoint Analog Value 4 pube Low Alarm Setpoint Analog Value 5 pus High Alarm Setpoint Min Damper 0 to 100 Analog Value 6 96 Position Max Damper 0 to 100 Analog Value 7 96 Position Units Value 0 ft min Binary Value 1 1 m s Status Index 1 Normal 2 Setback 3 4 Low Alarm Multi State 1 5 6 High Alarm Input 7 8 No Flow Alarm 9 10 Sensor Error 11 12 Data Error 13 14 Emergency Baud Rate 1 Auto 2 9600 2 1 3 19200 4 38400 5 76800 1 Tak
41. k side of sensor should be less than 25 of the average controlled face velocity The supply diffuser must be relocated if these parameters cannot be met Lengthen the time constant by entering the CONFIGURATION menu DISPLAY AVG item and increase the average time Calibrate SureFlow controller Part Two Analog output doesn t work properly Displayed velocity doesn t match measured velocity Display does not read zero flow at zero flow Caution light momentarily goes on when sash is raised Technical Section Controller is connected to incompatible equipment Velocity sensor is dirty Controller is not calibrated Velocity sensor is not referenced to room air SureFlow controller is not calibrated Velocity sensor is not referenced to room air Control output needs adjustment Control response is slow Pneumatic actuator Enter the DIAGNOSTICS menu ANALOG OUT item A number is displayed Connect a voltmeter to pins 1 and 2 8 pin connector Pressing the A key increases the displayed number and decreases the voltage current output Pressing the key decreases the number and increases the voltage current output If no change occurs disconnect the analog out device and repeat above procedure If voltage now changes the controller is good and the external device is defective If no change occurs DIM is defective See Maintenance and Repair Parts See Calibration
42. n pins 1 and 2 is 24 to 30 VAC for pneumatic and VFD systems or 32 to 40 VDC on electric actuators If proper voltage is found between pins 1 and 2 of the DIM all wiring has been checked fuses have been reset and screen is still blank the DIM is probably defective Replace DIM Part Two Control system is not controlling Technical Section Incorrect wiring Damper rotating opposite direction No control output signal Bad actuator or E P damper doesn t move Verify correct wiring see Wiring diagram Appendix C DIM must be wired exactly as shown If damper is full open when it should be closed or full closed when it should be open go into CONTROL menu CONTROL SIG menu item Change DIRECT to REVERSE or REVERSE to DIRECT to change control output direction Go into DIAGNOSTICS menu CONTROL OUT item A number between 096 OPEN and 10096 OPEN will be displayed Pressing the A key increases the number Pressing the key decreases the number Measure the DC voltage between pins 5 and 6 10 pin connector on the controller Change the CONTROL OUT value about 40 The voltage output should change approximately 4 volts Change the CONTROL OUT value to approximately 5996 OPEN The voltage should read approximately 5 VDC If no change occurs disconnect control wires on pins 5 and 6 and repeat test If DIM still fails to change voltage output DIM is probably defective If voltage changed DIM is working either
43. nWorks board MAC ADDRESS Menu Item will only appear as a menu option for the 8650 Fume Hood Controller that includes an optional BACnet board The Menu Items NET PROTOCOL and NET ADDRESS will be deleted as menu options on 8650 Fume Hood Controllers that include the optional LonWorks board or BACnet board Figure 4 Menu Items Model 8650 Controller 9 LonWorks is registered trademark of Echelon Corporation 12 Part Two eoiuuoe el SETPOINTS MENU CONTROL SETPOINT SETPOINT CONTROL SETBACK SETBACK SETPOINT LOW ALARM LOW SETPOINT ALARM HIGH ALARM HIGH SETPOINT ALARM MINIMUM MIN DAMPER DAMPER POSITION SETPOINT The SETPOINT item sets the face velocity control setpoint The SureFlow controller will maintain this face velocity when normal operating conditions exist The SETBACK item sets an alternate face velocity control setpoint The SureFlow controller will maintain this face velocity when normal operating conditions exist A SETBACK condition is initiated when the SETBACK key has been pressed the SETBACK contact input has been closed or a command is received through the RS 485 network The LOW ALARM item sets the face velocity low alarm setpoint A low alarm condition is defined as when the face velocity is less than the low alarm setpoint The HIGH ALARM item sets the face velocity high alarm setpoint A high alarm condition is defined as when the face velocity exceeds the high alarm setp
44. ncorporated 1995 2013 All rights reserved Part number 1980117 Revision P February 2013 LIMITATION OF WARRANTY AND LIABILITY effective June 2011 For country specific terms and conditions outside of the USA please visit www tsi com Seller warrants the goods sold hereunder under normal use and service as described in the operator s manual shall be free from defects in workmanship and material for twenty four 24 months or if less the length of time specified in the operator s manual from the date of shipment to the customer This warranty period is inclusive of any statutory warranty This limited warranty is subject to the following exclusions and exceptions a Hot wire or hot film sensors used with research anemometers and certain other components when indicated in specifications are warranted for 90 days from the date of shipment b Pumps are warranted for one year or 3000 hours whichever comes first c Parts repaired or replaced as a result of repair services are warranted to be free from defects in workmanship and material under normal use for 90 days from the date of shipment d Seller does not provide any warranty on finished goods manufactured by others or on any fuses batteries or other consumable materials Only the original manufacturer s warranty applies e Unless specifically authorized in a separate writing by Seller Seller makes no warranty with respect to and shall have no liability in connection wit
45. nd determines when the controller uses integral control slow control and when the controller enters PID control fast control When this item is selected a bar graph will be shown on the display There are 10 bars each representing 10 ft min Starting from the right side sign 10 bars displayed indicates no dead band so the controller will always be in PID control mode The less bars displayed the larger the integral dead band For example with 8 bars displayed and an operating setpoint of 100 ft min the integral dead band is between 80 and 120 ft min When the face velocity is within this range integral or slow control is used However when the velocity falls below 80 ft min or rises above 120 ft min PID control is enabled until the unit returns to setpoint WARNING When SENSITIVITY is set at 10 bars the system is always in PID control which will probably cause an unstable system It is recommended that the SENSITIVITY be set at 9 bars or less The SPEED item selects the control output speed When this 1 to 10 bars 10 bars item is selected a bar graph is shown on the display There are 10 bars each one representing 10 of optimal speed Starting from the right side sign 10 bars displayed indicates maximum speed This is the fastest the controller will operate 1 bar is the slowest the control output will move The more bars shown the faster the control output The CONTROL SIG item determines the control signal
46. nly a problem on initial set up The following items are needed to calibrate the SureFlow controller e Masking tape Portable Air Velocity Meter such TSI VELOCICALC Model 8384 or VELOCICHECK Model 8330 Calibrating Velocity Sensor Enter CALIBRATION menu see Software Programming if not familiar with keystroke procedure Sensor zero 1 Place a piece of tape over the velocity sensor opening to seal off air flowing past the sensor Select SENSOR ZERO item Press SELECT key Sensor zero procedure which takes 120 seconds is automatic Press SELECT key to save the data Remove tape from velocity sensor o Sensor span NOTE Always zero sensor prior to adjusting the sensor span A comparison thermal anemometer is required to calibrate the velocity span Confirm a good average face velocity is present in the fume face before adjusting the span 1 Open the fume hood sash 60 and let the controller reach setpoint 2 Select SENSOR SPAN item 30 second countdown 3 Useathermal anemometer to traverse the open sash area and obtain the average face velocity of the air passing into the hood 4 Compare the thermal anemometer to the Model 8650 controller 5 Press the keys until the controller velocity matches the thermal anemometer velocity 22 Part Two 6 Press SELECT key to save sensor span 7 Exit menu calibration is complete Flow Station Pressure Transducer Zero NOTE Flow statio
47. ns are optional and may not be installed in your system Disconnect tubing between pressure transducer and flow station Enter calibration menu Select EXH FLO ZERO menu item Press SELECT key Flow zero procedure which takes 10 seconds is automatic Press SELECT key to save data Connect tubing between pressure transducer and flow station 4 Co Iw o Optimizing Controller Performance The SureFlow controller uses both integral and PID control methods Integral control slower control signal is used when the controller is near setpoint Integral control provides stability when natural system fluctuations occur such as operators working at hoods and lab doors opening PID control fast control is used when responding to large disturbances to face velocity such as sash movements PID control rapidly returns the face velocity to setpoint thus assuring containment Once the SureFlow controller is in PID control it continues to control in this mode until the operating setpoint is met There are four menu items that change the characteristics of the control output signal 1 SENSITIVITY 2 SPEED 3 Kc VALUE 4 Ti VALUE TSI recommends only adjusting the SENSITIVITY and SPEED to fine tune the control signal Only when the SPEED and SENSITIVITY items cannot provide a stable system should Kc VALUE and Ti VALUE be adjusted The role of each menu item is covered in the Menu and Menu Items section of the manual This section provides som
48. oint The MIN DAMPER item is used to set the minimum damper position The minimum damper position allows the setting of a minimum airflow through the fume hood When the fume hood exhaust volume needed to maintain the set face velocity is less than the set minimum damper position typically sash closed the damper maintains the minimum damper position Closing the sash further will result in an increase in the face velocity above the control setpoint When this item is entered the display will indicate the minimum damper position The value displayed will be the OPEN 60 to 1000 ft min 100 ft min 60 to 1000 ft min 60 ft min OFF 5 to 980 ft min 60 ft min OFF 80 to 1000 140 ft min ft min to 100 0 OPEN SETPOINTS MENU continued MAXIMUM DAMPER POSITION SETPOINT ACCESS CODE MAX DAMPER ACCESS CODE The MAX DAMPER item is used to set the maximum damper 010 100 100 position The maximum damper position allows the setting OPEN maximum airflow through the fume hood When the fume hood exhaust volume needed to maintain the set face velocity is greater than the set maximum damper position typically sash open the damper maintains the maximum damper position Opening the sash further will result in a decrease in face velocity which may cause a low alarm indicating an unsafe hood condition exists When this item is entered the display will indicate the maximum damper position The val
49. om the keypad The NET PROTOCOL item selects the communications MODBUS protocol used to interface with the building management Or system N2 5 seconds FT MIN UNLATCHED 0 to 10 VDC ON MODBUS eoiuuoe 11 CONFIGURE MENU continued NETWORK ADDRESS LON NET ADDRESS LON The NET ADDRESS item selects the main network address of 1 to 247 the face velocity controller Each unit on the network must have its own unique address The values range from 1 247 If RS 485 communications are being used then a unique NET ADDRESS must be entered into the unit NOTE In setback mode there is no priority between the RS 485 and keypad The most recent signal by either RS 485 or keypad will initiate a change In emergency mode the keypad has a higher priority than the RS 485 command A unit put into emergency by keypad must be removed by keypad safety first RS 485 communications allows you access to all menu items except calibration items The RS 485 network can initiate a change at any time When the SERVICE PIN option is selected the Model 8650 SERVICE PIN sends a broadcast message containing its Neuron ID and or program ID This is required to install the Model 8650 on the GO UNCONFIGURED LonWorks network or to reinstall the Model 8650 after using the GO UNCONFIGURED command Selecting the GO UNCONFIGURED option resets the Model 8650 s authentication key This is required in the event a fo
50. ot measure correctly verify that sensor cable is good 4321 Figure 6 Velocity Sensor Verify wire is terminated the same on both ends of cable Confirm wire colors match pin 1 to 1 pin 2 to 2 etc Test sensor cable with an Ohmmeter to ensure that cable terminations are good Confirm the fume hood face velocity is over 1000 ft min If face velocity exceeds 1 000 ft min exhaust system needs balancing Calibrate SureFlow controller Part Two DATA ERROR flashing on display Remote emergency doesn t work Remote setback doesn t work DIM does not respond to network communications Technical Section DIM was hit by electrical disturbance Incorrect wiring or defective switch Defective controller Incorrect wiring or defective switch Defective DIM Network protocol is incorrect Incorrect network address Incompatible software LonWorks or BACnet board not installed Foreign network acquired controller Bad LonWorks or BACnet board All data may be lost or changed Review all configuration parameters Check calibration of controller DATA ERROR is removed by pressing the RESET key Disconnect emergency remote wires from DIM Verify wiring with an Ohmmeter by switching the emergency switch open and closed If operational reconnect to DIM Verify wiring and switch are good Enter DIAGNOSTICS menu EMERGENCY IN item Display will indicate OPEN or CLOS
51. ould be checked on the controller Override Analog Output Command The analog output variables can be overridden to change their values The overridden value will be checked for validity If invalid the override command will be ignored and the value will not change The override flag will not be set when the value is ignored The override command will be cleared when the variable is reset in the menus The variable will not reset with the release command 42 Appendix B Supported Commands Request Device ID Returns 0x10 Synchronize Time Command Acknowledged There is no internal clock to synchronize Poll without With Ack Message Any change of status is returned Read Analog Input Command Variable value Read Binary Input Command Variable value Read Analog Output Command Variable Value Write Analog Input Acknowledge Write Binary Input Acknowledge Write Analog Output Acknowledge Override Analog Input Command Acknowledge Override Binary Input Command Acknowledge Override Analog Output Command Acknowledge Override Release Request Acknowledge Identify Device Type Command Returns 0 10 Note Poll Without With Ack Message will need to be sent twice in order to receive all of the possible change of status variables Variable Map Face Velocit Current Face Velocity Setpoint Control Output Control Mode 0 1 Setback 221 Low Face Velocity Alarm 0 Normal 1 Low Alarm 3 High Face Velocity Alarm 0 Normal
52. r wiring Wiring associated with non TSI components should be closely checked for correct installation If non TSI components are installed consider disconnecting them for testing purposes Confirming physical installation is correct All of the hardware components need to be installed properly Review the installation instructions and verify components are installed properly at the correct location This is easily done when the wiring is checked Verifying mechanical components Verifying all TSI components are operating correctly requires following a simple procedure The fastest procedure to confirm all equipment is operating is to first test the Digital Interface Module DIM and then go into the diagnostic menu to test each component NOTE These tests require power to the units so if unit has no power refer to hardware troubleshooting chart to eliminate power problem TEST DIM Press TEST key to verify DIM electronics are functioning correctly At the end of the self test the display will show SELF TEST PASSED if all DIM electronics are good If unit displays DATA ERROR at the end of the test the software may be corrupted Check all menu items to determine cause of DATA ERROR If SELF TEST PASSED is displayed proceed to test individual components Enter Diagnostics Menu and check the following e Control output e Sensor input e Analog output NOTE These diagnostic menu items are explained in the Diagnostics Menu whi
53. reas mechanical operation of the unit and system performance Many external variables will affect how the unit functions so it is critical to first determine if the system is having mechanical problems i e no display on unit alarms don t function damper doesn t modulate etc If no mechanical problems exist look for performance problems i e doesn t seem to read correctly display fluctuates etc The first step is to determine that the system is mechanically operating correctly followed by modifying the configuration to eliminate the performance problems Technical Section Software Programming Programming the SureFlow controller is quick and easy if the programming keys are understood and the proper keystroke procedure is followed The programming keys are defined first followed by the required keystroke procedure At the end of this section is a programming example NOTE It is important to note that the unit is always operating except when checking the CONTROL OUTPUT when programming When a menu item value is changed the new value takes effect immediately after saving the change not when the unit returns to normal operating mode This section covers programming the instrument through the keypad and display If programming through RS 485 communications use the host computer s procedure The changes take place immediately upon saving data in the instrument Programming Keys The four keys with blue characters refer to Fig
54. reign network tool inadvertently acquires a Model 8650 and installs it with network management authentication The Model 8650 s owner will then be unable to reclaim the Model 8650 over the network Menu Item will replace the Network Protocol and Network Address Menu Items on SureFlow controllers provided with the LonWorks board CONFIGURE MENU continued MAC ADDRESS ADDRESS ACCESS ACCESS CODE CODE END OF MENU The MAC ADDRESS assigns the face velocity controller an 1 to 127 1 address on the MS TP BACnet network This address must be unique for each device on the BACnet network The ACCESS CODE item selects whether an access code ON or OFF OFF pass code is required to enter the menu The ACCESS CODE item prevents unauthorized access to a menu If the ACCESS CODE is ON a code is required before the menu can be entered Conversely if the ACCESS CODE is OFF no code is required to enter the menu The END OF MENU item informs you that the end of a menu has been reached You can either scroll back up the menu to make changes or press the SELECT or MENU key to exit out of the menu The MAC ADDRESS Menu Item will replace the Network Protocol and Network Address Menu Items on SureFlow controllers provided with the BACnet board SENSOR ZERO eoiuuoe SENSOR SPAN ACCESS CODE 61 CALIBRATION MENU SENSOR ZERO SENSOR SPAN ACCESS CODE END OF MENU
55. rument self test Pressing the TEST key activates a scrolling sequence on the display that shows the product model number software version and all setpoint and alarm values The unit then performs a self test that tests the display indicator lights audible alarm and internal electronics to ensure they are operating properly If a problem with the unit exists DATA ERROR will be displayed You should have qualified personnel determine the problem with the unit RESET key The RESET key performs three functions 1 Resets the alarm light alarm contacts and audible alarm when in a latched or non automatic reset mode The face velocity must be in the safe or normal range before the RESET key will operate 2 Resets the emergency function after the emergency key has been pressed see EMERGENCY key 3 Clears any displayed error messages MUTE key The MUTE key temporarily silences an audible alarm Pressing the MUTE key once temporarily silences the audible alarm The alarm remains silent until the unit returns to control setpoint Pressing the MUTE key twice when controller is in alarm will turn the yellow mute light on and permanently silence the audible alarm NOTE You can program the unit so that the audible alarm cannot be permanently turned off see menu item AUD DISABLE SETBACK key The SETBACK key activates the setback or second setpoint face velocity In setback mode the controller controls at the setback setpoint the display
56. s will be reset to the correct items when the Override is released There is not a time out on the override command Override Binary Input Command Overriding a 1 to the Setback or Emergency binary inputs enables the respective mode To return the controller to normal mode from setback mode press the Setback key on the controller toggle the setback contact input or release the override To release controller from emergency state override a 0 to the Emergency input toggle the emergency contact input or press either the emergency or reset key Releasing the override will return the controller to the state it was in previous to the emergency either Normal or Setback The alarm data error and sensor error variables can be overridden but this will not affect the controller Overriding the low alarm variable will result in a change of status but will not put the controller into low alarm mode The local alarm modes can only be controlled locally Only override these variables for diagnostic purposes and release them for normal operation Binary Inputs Sensor Error and Data Error Sensor Error and Data Error binary inputs are used to indicate if something has gone wrong with the controller The Sensor Error is set when the sensor on the controller has a malfunction This indicates that service should be done on the controller Data Error indicates when some of the data stored on the device has been corrupted The calibration and setpoint values sh
57. separated into five parts that cover all aspects of the unit Each section is written as MENU independently as possible to minimize flipping back and forth through the manual for an answer TEST GENCY SELECT m m a 4 5 Figure 2 Digital Interface Module The Software Programming section explains the programming keys on the DIM In addition the programming sequence is described which is the same regardless of the menu item being changed At the end of this section is an example of how to program the DIM The Menu and Menu ltem section lists all of the software items available to program and change The items are grouped by menu which means all setpoints are in one menu control signal items in another etc The menu items and all related information is provided including programming name description of menu item range of programmable values and how the unit shipped from the factory default value The Calibration section describes the required procedure to calibrate the controller This section explains how to compare the controller s velocity reading to a portable thermal anemometer and then adjust the zero and span to establish an accurate calibration This section also describes how to zero a TSI flow station transducer if installed The Maintenance and Repair Part section covers all routine maintenance of equipment along with a list of repair parts The Troubleshooting section is split into two a
58. st requires the diagnostics menu items to be accessed If you are unfamiliar with the SureFlow controller menus see Software Programming for keystroke procedure Troubleshooting the majority of problems is usually quick if the hardware test is followed Technical Section 25 Software and hardware problems are covered in the troubleshooting chart Pick the problem that most closely resembles your problem and review the possible symptoms and corrective action Software or system performance problems can and are affected by the supply air system exhaust air system or physical configuration of the room Separating TSI system problems from the laboratory HVAC system can sometimes be difficult TSI recommends confirming all hardware is operating correctly before troubleshooting software problems Hardware Test Three tests need to be performed in order to determine all hardware is functioning correctly The tests are broken down into 26 Confirming wiring is correct Confirming physical installation is correct Verifying mechanical components Confirming wiring is correct The most common problem with installed hardware equipment is incorrect wiring This problem usually exists on initial installation or when modifications to the system take place The wiring should be very closely checked to verify it exactly matches the wiring diagram A wiring diagram is located in Appendix B of this manual The TSI cables are all color coded to ensure prope
59. stem unstable Laboratory supply air is affecting the sensor Display averaging is very short Controller needs calibration Press TEST key The individual alarm setpoints will display If all alarm setpoints are zero alarm relay is not active so relay will not be required to change state Check the wiring from DIM relay s output to the device that is connected to the relays Disconnect the wiring 10 pin connector from relay contact pins 7 and 8 for low alarm relay and pins 9 and 10 for high alarm relay Go into DIAGNOSTICS menu LOW ALM REL or HIGH ALM REL Connect an ohmmeter to relay terminals to verify contact open and closes Press the key to manually trip the relay If relay responds contact opens and closes the device connected is incompatible or defective If relay doesn t respond relay is defective may be caused by incompatible device Replace DIM Go into CONTROL menu SPEED item Turn speed down until hunting is eliminated If speed is too slow see Manual Section Optimizing Controller Performance and adjust accordingly to eliminate problem Turn DIM to emergency If velocity stabilizes this is not the problem Check location of supply air diffusers They should be located as far from the velocity sensor as is realistic 10 feet preferred 6 feet minimum Supply diffuser terminal throw velocity must be less than 50 of the average controlled face velocity Velocity in the fume hood chase bac
60. the exact opposite may happen causing the controller to become unstable hunt substantially or have very slow response If controller performance cannot be improved by adjusting the SPEED and SENSITIVITY the two menu items can be manually set to their default values Maintenance and Repair Parts The Model 8650 SureFlow Face Velocity Controller requires minimal maintenance Periodic inspection of system components as well as an occasional velocity sensor cleaning are all that are needed to ensure that the Model 8650 is operating properly The Model 8650 should be calibrated annually Refer to the Calibration section for further information System Component Inspection It is recommended that the velocity sensor be periodically inspected for accumulation of contaminants The frequency of these inspections is dependent upon the quality of the air being drawn across the sensor Quite simply if the laboratory air is dirty the sensors will require more frequent inspection and cleaning Visually inspect the velocity sensor The air flow orifice should be free of obstructions The small cylindrical ceramic sensor protruding from the orifice wall should be white and free of accumulated debris Figure 5 Velocity Sensor Periodically inspect the other system components for proper performance and physical signs of excessive wear 24 Part Two Velocity Sensor Cleaning Accumulations of dust or dirt can be removed with a dry soft bristled brush
61. trol Output Menu item CONTROL OUT The CONTROL OUT item changes the control output signal to the actuator damper or motor speed drive When this item is entered a number will be shown on the display indicating the last control output value The range of values displayed is 0 OPEN 100 OPEN Pressing the A W keys change the count on the display Pressing the A key should increase the displayed value while pressing the W key will decrease the displayed value The control device should change as the number changes On units controlling variable frequency drives fan speed should increase or decrease as numbers change Analog Output Menu Item ANALOG OUT The ANALOG OUT item varies the analog output from the SureFlow unit When this item is entered a number will be shown on the display indicating the last analog output value The value displayed ranges from 0 to 255 The value 255 corresponds to 0 volts 4 mA output and 0 corresponds to 10 Volts 20 mA output Pressing the A key will increase the value displayed and decrease the analog output Pressing the W key will decrease the value displayed and increase the analog output The ANALOG OUT function can be used in conjunction with a volt meter to verify the analog output is correct Low Alarm Relay Menu Item LOW ALM REL The LOW ALM REL item changes the state of the low alarm relay When this item is entered the display will indicate either OPEN or CLOSED The keys are
62. ue displayed will be the OPEN The ACCESS CODE item selects whether an access code pass ON or OFF OFF code is required to enter the menu The ACCESS CODE item prevents unauthorized access to a menu If the ACCESS CODE is ON a code is required before the menu can be entered Conversely if the ACCESS CODE is OFF no code is required to enter the menu eoiuuoe SETPOINTS ALARM CONSTRAINTS There are a number of constraints that prohibit you from incorrectly adjusting the setpoints These are as follows 1 The control SETPOINT and SETBACK setpoint have a lower limit of 60 ft min This is because generally accepted lab practices indicate that fume hood containment is lost below this face velocity 2 The controller has been designed so that the LOW ALARM setpoint must be set at least 20 ft min below the control SETPOINT For example if the control SETPOINT is 100 ft min the LOW ALARM setpoint cannot be greater than 80 ft min This prevents nuisance alarms from occurring during natural system fluctuations 3 The controller has been designed so that the HIGH ALARM setpoint must be set at least 20 ft min above the control SETPOINT For example if the control SETPOINT is 100 ft min the HIGH ALARM setpoint cannot be less than 120 ft min This prevents nuisance alarms from occurring during natural system fluctuations 4 The SETBACK alarms LOW and HIGH have the same alarm offsets ft min as the standard alarms user
63. ure 3 are used to program or configure the unit to fit your particular application Programming the instrument will change how the unit functions so thoroughly review the menu items to be changed MUTE TEST RESET SELECT v Figure 3 Programming Keys MENU key The MENU key has three functions 1 The MENU key is used to gain access to the menus when the unit is in normal operating mode Pressing the key once will exit the normal operating mode and enter the programming mode When the MENU key is first pressed the first two menus are listed When the unit is being programmed the MENU key acts like an escape key When scrolling through the main menu pressing the MENU key will return the unit to standard operating mode When scrolling through menu items pressing the MENU key will return you to the list of menus When changing data in a menu item pressing the MENU key will escape out of the item without saving changes When programming is complete pressing the MENU key will return the unit to normal operating mode Part Two SELECT key The SELECT key has three functions 1 The SELECT key is used to gain access to specific menus To access a menu scroll through the menus using arrow keys and place the flashing cursor on the desired menu Press the SELECT key to select the menu The first line on the display will now be the selected menu and the second line will show the first menu item 2
64. used to toggle the state of the relay The A key is used to OPEN the alarm contact The Wkey is used to CLOSE the alarm contact When the contact is closed the LOW ALM REL should be in an alarm condition High Alarm Relay Menu Item HIGH ALM REL The HIGH ALM REL item changes the state of the high alarm relay When this item is entered the display will indicate either OPEN or CLOSED The A Y keys are used to toggle the state of the relay The A key is used to OPEN the alarm contact The key is used to CLOSE the alarm contact When the contact is closed the HIGH ALM REL should be in an alarm condition Part Two Setback Input Menu Item SETBACK IN The SETBACK IN item reads the current state of the setback contact input When this item is entered the display will indicate either OPEN or CLOSED If the display indicates CLOSED the SureFlow controller has been put into setback mode through the contact input If the display indicates OPEN the SureFlow controller has not been put into setback mode through the contact input NOTE The SureFlow controller may be in setback mode if it has been initiated through the keypad or the RS 485 network Emergency Input Menu item EMERGENCY IN The EMERGENCY IN item reads the current state of the emergency contact input When this item is entered the display will indicate either OPEN or CLOSED If the display indicates CLOSED the SureFlow controller has been put into emergency mode through th
65. ve ble Frequency Dri la iagram Vari ing D Ir SureFlow W Figure 8 51 Wiring Information 52 This page intentionally left blank Appendix C Appendix D Access Codes These are the access codes to the different menus of the SureFlow controllers When an access code is required pressing the following key sequence will provide access to the required menu Key Setpoints Configure Calibration Control Diagnostics 1 EMERGENCY EMERGENCY SETBACK MENU TEST 2 MUTE MENU MENU MUTE MUTE 3 MUTE SETBACK MUTE RESET SETBACK 4 MENU MENU MENU EMERGENCY SETBACK 5 SETBACK MENU SETBACK SETBACK MENU 53 54 This page intentionally left blank Appendix C e UNDERSTANDING ACCELERATED TSI Incorporated Visit our website www tsi com for more information USA Tel 1 800 874 2811 India Tel 91 80 67877200 UK Tel 44 149 4 459200 China Tel 86 10 8251 6588 France Tel 33 4 91 11 87 64 Singapore Tel 65 6595 6388 Germany Tel 49 241 523030 P N 1980117 Rev P 2013 TSI Incorporated Printed in U S A
66. vel on the front of the fume hood cabinet The damper actuator is mounted in the exhaust duct typically close to the fume hood if VFD is used mount where convenient The velocity sensor continuously measures the face velocity and provides the face velocity information to the controller electronics The controller compares the actual face velocity to the control setpoint and modulates the damper VFD if required Useful User Information The controller has a green light normal operation and red alarm light low and high alarms The green light is on when the face velocity is adequate The red alarm light comes on when the face velocity drops below a safe level or exceeds a safe level The display provides additional information by continuously indicating the actual face velocity User Basics 1 Operator Panel The SureFlow Face Velocity Controller is easy to use All the information you need to know about face velocity is displayed on the Display Interface Module DIM In addition all configuration control and calibration programming is accessible through the keypad Specific details about the SureFlow controller front panel display and controls are described on the following pages The front panel shown in Figure 1 identifies the important features display keys and lights ALARM CAUTION NORMAL Figure 1 SureFlow Front Panel Display Green Red Light The green light NORMAL is on when the fa
67. voltage is measured internal DIM fuse is probably blown Unplug 10 pin connector from DIM for 2 minutes The internal fuse will automatically reset Plug unit back in and check display If display is still blank check all wiring etc If approximately 5 volts is measured the fuse in the electric actuator or E P is blown Disconnect power to the electric actuator or E P for two minutes to reset fuse Disconnecting power requires either shutting off circuit breaker or disconnecting the wires on pins 1 and 2 on the electric actuator or E P If zero volts are measured see No power to DIM Verify circuit breaker is on Verify transformer primary measures 110 VAC Verify transformer secondary measures 24 to 30 VAC Verify electric actuator or E P interface is receiving 24 to 30 VAC between pins 1 and 2 Verify 24 to 40 VDC is found between pins 3 and 4 of the electric actuator Verify 24 to 30 VAC between pins 3 and 4 of the E P interface Verify DIM voltage on pins 1 and 2 is 24 to 30 VAC for pneumatic and VFD systems or 32 to 40 VDC on electric actuators Verify circuit breaker is on Verify transformer primary measures 110 VAC Verify transformer secondary measures 24 to 30 VAC Verify electric actuator or E P interface is receiving 24 to 30 VAC between pins 1 and 2 Verify 24 to 40 VDC is found between pins 3 and 4 of the electric actuator Verify 24 to 30 VAC between pins 3 and 4 of the E P interface Verify DIM voltage o
68. xcessive face velocity Controller not calibrated Perform test described in Control system is not controlling If CONTROL OUT is functioning verify wiring to VFD by confirming CONTROL OUT voltage changes at VFD If voltage changes a problem with VFD exists See VFD manual for further troubleshooting Actuator jumper is missing loose or insulation is blocking contact Verify jumper is installed correctly Control wires are loose Check wires and verify control output is working see No control output signal If control output test passes verify damper is rotating correct direction see Damper rotating opposite direction If damper is rotating correctly and setpoint cannot be reached DIM will fully rotate damper to get as close to setpoint as possible Fume hood exhaust fan static pressure etc needs to be adjusted Calibrate SureFlow controller Controller is not calibrated leaving the factory it must be field calibrated Verify the sensor cable is correctly plugged into the DIM and sensor Connector is polarized but can be forced on backwards Disconnect the velocity sensor cable from the back of DIM Depress the latching piece on the connector to pull it out Use an ohm meter to measure the resistance between the sensor connections indicated in figure below The resistance between pins 3 and 4 should be between 10 and 12 5 ohms The resistance between pins 2 and 4 should be between 120 and 140 ohms If resistance does n

Model 8650 SUREFLOW Face Velocity Controller Operation

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