Models 8630-SM 8630-PM Pressura Room Pressure Controller
Contents
1. Change ROOM MODE to key switch Replace key switch unlikely cause of problem 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 PresSura controller cannot recognize Change room balance or change alarm values Set ALARM RESET to unlatch 35 Alarm relays don t work DATA ERROR flashing on display Displayed pressure wildly fluctuating Electric actuator chatters or excessively hunts at set point 36 Alarms are turned off Incorrect wiring Alarm is from second sensor Alarm is from flow station Relay may be defective DIM was hit by electrical disturbance Exhaust or supply system is unstable Supply or exhaust air is affecting the sensor Ground loop present Press TEST key The individual alarm set points will display If all alarm set points are zero alarm relay is not active so relay will not be required to change state Check the wiring from PresSura controller relay s output to the device that is connected to the relays The relay contacts only work for primary pressure alarms The relays do not activate when a second sensor or flow alarm condition occurs DIM light and audible do activate This is because the primary pressure ala2. PRESSURA N ROOM PRESSURE MONITOR MODELS 8630 SM 8630 PM OPERATION AND SERVICE MANUAL P N 1980242 REVISION G JUNE 2013 START SEEING THE Eu FIL GF 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 TSI s customer feedback program gives customers like you a way to tell us how we are doing 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 8219 7688 France Tel 33 491118764 Singapore Tel 65 6595 6388 Germany Tel 49 241523030 2013 TSI Incorporated Printed in U S A PRESSURA ROOM PRESSURE MONITOR MODELS 8630 SM 8630 PM OPERATION AND SERVICE MANUAL P N 1980242 REVISION G JUNE 2013 U S AND CANADA OTHER COUNTRIES Sales amp Customer Service Sales amp Customer Service 800 874 281 1 651 490 2811 001 651 490 2811 Fax Fax 651 490 3824 001 651 490 3824 SHIP MAIL TO E MAIL TSI Incorporated answers tsi com ATTN Customer Service 500 Cardigan Road WEB SITE Shoreview MN 55126 www tsi com USA 9001 2008 COP
3. The POS LOW ALM item sets the positive low pressure alarm set point A low alarm condition is defined as when the magnitude of the room pressure falls below or goes in the opposite direction of the POS LOW ALM set point This item is enabled when the TSI key switch is in positive room pressure position or when positive is selected in ROOM MODE item The POS HIGH ALM item sets the positive high pressure alarm set point A high alarm condition is defined as when the magnitude of the room pressure rises above the POS HIGH ALM set point This item is enabled when the TSI key switch is in positive room pressure position or when positive is selected in ROOM MODE item OFF 0 to 0 19500 H20 OFF 0 to 0 19500 OFF H2O OFF 0 to 0 19500 OFF H20 OFF 0 to 0 19500 OFF H2O UONIES BIIUYIE GI ALARM MENU continued MINIMUM MIN CFM DUCT FLOW ALM ALARM Premium models only SECOND 2 LOW ALM SENSOR LOW ALARM Premium models only The MIN CFM ALM item sets the duct s flow alarm set point A OFF 0 to 2832 ft MIN OFF minimum flow alarm is defined as when the duct flow is less times the duct area in than the MIN CFM ALM set point square feet ft The 2 LOW ALM item sets the second sensor s low alarm set OFF 0 to 0 19500 OFF point A low alarm condition is defined as when the magnitude H2O of the second sensor s room pressure falls below or goes in the or 0 to 0 19500 H2O opposite direction of th
4. 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 ALARM RESET User Basics 5 Before Calling TSI The manual should answer most questions and resolve most problems you may encounter If you need assistance or further 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 8630 Software revision level Facility where unit is installed First two items that scroll when TEST key is pressed Due to the different PresSura 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 800 874 2811 U S and Canada or 001 651 490 2811 other countries Part Two Technical Section The PresSura controller is ready to use after being properly installed The pressure sensor is factory calibrated prior to shipping and should not need adjustment The Digital Interface Module DIM is programmed with a default configuration that can be easily modified to fit your application The Technical section is separated into five parts that cover all asp
5. models only SENSOR The SENSOR SPAN item is used to match or calibrate the NONE PresSura velocity sensors to the average room pressure velocity as measured by a portable air velocity meter A sensor zero should be established prior to adjusting the sensor span see Calibration section following menu item listing station pressure transducer A zero or no flow point needs to be established prior to using the flow measurement see Calibration section following menu item listing PresSura pressure sensor A second sensor zero should be established prior to adjusting the second sensor span see Calibration section following menu item listing If menu item displays SEC SENS OFF the second sensor must be turned on menu item 2 SENSOR to activate the 2SENSOR ZERO Unit is factory calibrated No initial adjustment should be necessary The FLOW ZERO item is used to calibrate the PresSura flow NONE Flow station pressure transducer zero must be done prior to making any flow measuremen ts The 2SENSOR ZERO item is used to calibrate the second NONE Unit is factory calibrated No initial adjustment should be necessary ec OM Hed CONFIGURE MENU continued SECOND 2SENSOR SENSOR SPAN SPAN Premium models only ELEVATION ELEVATION ACCESS ACCESS CODE CODE END OF MENU The 2SENSOR SPAN item is used to match or calibrate the second PresSura velocity sensors to the average room pr
6. usually only a problem on initial set up Second go into DIAGNOSTICS menu SENSOR STAT item If normal is displayed calibration can be adjusted If an error code is displayed eliminate error code and then verify pressure sensor needs adjustment Adjusting the PresSura controller calibration may be required to eliminate errors due to convection currents HVAC configuration or equipment used to make the measurement TSI recommends always taking the comparison measurement in the exact same location i e under the door middle of door edge of door etc A thermal air velocity meter is needed to make the comparison measurement Normally the velocity is checked at the crack under the doorway or the door is opened 1 to allow alignment of the air velocity probe making the measurement If the crack under the door is not large enough use the 1 open door technique Calibrating pressure sensor primary sensor or second sensor Enter calibration menu see Software Programming if not familiar with key stroke procedure Access code is turned on so enter proper access code All menu items described below are found in CALIBRATION menu Elevation The ELEVATION item eliminates pressure sensor error due to elevation of hospital See ELEVATION item in Menu and Menu Items section for further information Enter the ELEVATION menu item Scroll through the elevation list and select the one closest to the hospital s elevation Press the SELECT key to sa
7. CONFIGURE ROOM MODE DISPLAY AVG UNITS DUCT AREA ROOM VOLUME 2 SENSOR ACCESS CODE CALIBRATION SENSOR ZERO SENSOR SPAN FLOW ZERO 2SENSOR ZERO 2SENSOR SPAN ELEVATION ACCESS CODE Menu items located in Troubleshooting section INTERFACE NET PROTOCOL NET ADDRESS OUTPUT RANGE OUTPUT SIG ACCESS CODE Figure 6 Menu items Model 8630 PM Premium Monitor Technical Section DIAGNOSTICS SENSOR INPUT SENSOR STAT ANALOG OUT KEY INPUT FLOW INPUT 2SENSOR IN 2SENSOR STAT LOW ALM REL HIGH ALM REL ACCESS CODE 13 vl OM Hed ALARM MENU NEGATIVE LOW PRESSURE ALARM NEGATIVE HIGH PRESSURE ALARM POSITIVE LOW PRESSURE ALARM POSITIVE HIGH PRESSURE ALARM NEG LOW ALM NEG HIGH ALM POS LOW ALM POS HIGH ALM The NEG LOW ALM item sets the negative low pressure alarm set point A low alarm condition is defined as when the magnitude of the room pressure falls below or goes in the opposite direction of the NEG LOW ALM set point This item is enabled when the TSI key switch is in negative room pressure position or when negative is selected in ROOM MODE item The NEG HIGH ALM item sets the negative high pressure alarm set point A high alarm condition is defined as when the magnitude of the room pressure rises above the NEG HIGH ALM set point This item is enabled when the TSI key switch is in negative room pressure position or when negative is selected in ROOM MODE item
8. Low Alarm Range High Al Alarm Contacts Analog Operating Temperature Input P Dimensions arm Range Output OWS Mat elia nie octo ii senta redet ara Pressure Sensor Tempe Power Appendix A rature Compensation Range Dissipation 0 20000 to 0 20000 inches H2O 5 of reading 0 5 sec SPST N O Switch Closing switch initiates condition SPST N O Switch Closing switch initiates condition 0 19500 to 0 19500 inches H2O 0 19500 to 0 19500 inches H2O SPST N O Max current 5A max voltage 150 VDC 250 VAC Minimum switch load 10 mA 5 VDC Contacts close in alarm condition 0 to 10 VDC or 4 to 20 mA High 0 100 to 0 100 inches H2O Low 0 0100 to 40 0100 inches H2O 1 096 of range for 0 10 VDC 1 296 of range for 4 20 mA Premium model only 32 to 120 F 24 VAC 5 watts max 4 9 in x 4 9 in x 1 35 in 0 7 Ib 55 to 95 F 0 16 watts at 0 inches H20 0 20 watts at 0 00088 inches H2O 5 58 in x 3 34 in x 1 94 in 0 2 Ib 37 38 This page intentionally left blank Specifications Appendix B Wiring Diagram 120 VAC IN TRANSFORMER PRESSURE P N 800420 SENSOR P N 800243 SENSOR CABLE 6 CONDUCTOR P N 800248 TRANSFORMER CABLE P N 800414 ni im 24 VAC SENSOR SENSOR ANALOG SWITCH OUT IN RS485 OUT IN LOW ALARM RELAY 26 CON CON TACTS TACTS FLOW SECOND IN 3 SENSOR HIGH IN 2 ALARM RELAY STANDARD MONITOR PREMIUM MONI
9. Perform a smoke test to determine pressure direction Select SENSOR SPAN item 2SENSOR SPAN item if second sensor Position the thermal air velocity meter in door opening to obtain velocity reading Press A W keys until pressure direction and sensor span match thermal air velocity meter and smoke test Press SELECT key to save sensor span Exit menu calibration is complete Flow station pressure transducer zero Premium units only Disconnect tubing between pressure transducer and flow station Enter calibration menu Access code is required Select FLOW ZERO to take flow zero 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 26 Part Two Maintenance and Repair Parts The Model 8630 PresSura Room Pressure Monitor requires minimal maintenance Periodic inspection of the system components as well as an occasional pressure sensor cleaning are all that are needed to ensure that the Model 8630 is operating properly System Component Inspection It is recommended that the pressure 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 air is dirty the sensors will require more frequent inspection and cleaning Visually inspect the pressure sensor by sliding open the sensor housi
10. The AUX key is active only in specialty applications and is not used on the standard PresSura controller If the AUX key is used a separate manual supplement will explain the AUX key function 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 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 key when finished with a menu item will save the data and exit you out of the menu item A V 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 Alarms PresSura controller has visual red light and audible alarms to inform you of changing conditions The alarm levels set points are determined by hospital personnel which could be the infection control group charge nurse or a facilities group depe
11. Two Troubleshooting Chart Display is blank Pressure sensor red LED is blinking Figure 9 DIM always displays 0 200 inches H30 Technical Section Fuse is blown No power to DIM DIM is defective Problem with sensor slow uniform blink Communication fast burst of non uniform blinking Red LED is on constantly Sensor communications not working Incorrect pressure sensor output Measure voltage at pins 1 and 2 on DIM The voltage should nominally be 24 30 VAC If correct voltage is measured internal DIM fuse is probably blown Unplug 14 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 no problems are found replace DIM If zero volts are measured see No power to DIM Wiring is incorrect Check all wiring If separate transformer is not installed for each system double check polarity and for ground loops Verify circuit breaker is on Verify transformer primary measures 110 VAC Verify transformer secondary measures 24 to 30 VAC Verify voltage on pins 1 and 2 of DIM is 24 to 30 VAC 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 Check SENSOR STAT and confirm NORMAL is displayed If ERROR is displayed correct error U
12. and the item s current value will be displayed on line 2 Item Name Current Value Press the W key to change the positive low alarm set point to 0 00050 inches H20 PRESSURE 00085 H2O ALARM CONFIGURE ALARM NEG LOW ALM v ALARM POS LOW ALM POS LOW ALM 00035 H20 EZ POS LOW ALM 00050 H2O Pressthe SELECT key to save the new SELECT positive low alarm set point Three short beeps will sound POS LOW ALM indicating that the data is being Saving Data saved Immediately after the data is saved ALARM the PresSura controller will return to POS LOW ALM the menu level displaying the menu title on the top line of the display and the menu item on the bottom line goes to step 3 O Press the MENU key once to return to the menu level ALARM CONFIGURE O Press the MENU key a second time to return to the normal operating level Unit is now back in normal PRESSURE operation 00085 H O afi Technical Section 11 Menu and Menu Items The PresSura 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 with the keystroke procedure please see Software Programming for a detailed explanation This
13. 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 of
14. 28 H20 at 0 001 H2O of each other 8l OML Hed Example The LOW ALARM set point is 0 00072 H20 The HIGH ALARM set point cannot be set lower than 0 00128 H O Second sensor alarms can be programmed for positive or negative pressure Both the second sensor low and high alarms must be programmed either positive or negative The second sensor alarms ignore rule 1 above Alarms do not terminate until pressure exceeds the alarm set point The set point must be slightly exceeded before alarm will terminate The ALARM RESET item selects how the alarms will terminate when monitor returns to the safe range The pressure and flow alarms all terminate the same they are either latched or unlatched If unlatched is selected the alarms automatically turn off when the value slightly exceeds the alarm set point If latched is selected the alarms will not terminate until the pressure exceeds the alarm set point and the RESET key is pressed There is a programmable ALARM DELAY that determines how long to delay before activating the alarms This delay affects all alarms pressure and flow The MUTE TIMEOUT item temporarily turns the audible alarm off for all pressure and flow alarms The display can only show one alarm message Therefore the monitor has an alarm priority system with the highest priority alarm being displayed If multiple alarms exist the lower priority alarms will not display until after the highest priority alarm has been eli
15. ANALOG OUT item is used to vary the analog output from the PresSura 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 the lowest voltage current output and 0 corresponds to the highest voltage current output Pressing the W key will decrease the analog output and increase the value displayed Pressing the A key will increase the analog output and decrease the value displayed The ANALOG OUT function can be used in conjunction with a volt meter to verify the analog output is correct Technical Section 31 Key Switch Input Menu Item KEY INPUT The KEY INPUT item reads the position of the TSI key switch When this item is entered the display will indicate either POSITIVE NEGATIVE or NO ISOLATION If the display indicates POSITIVE the TSI key switch has the PresSura controller in positive pressure mode If the display indicates NEGATIVE the TSI key switch has the PresSura controller in the negative pressure mode If the display indicates NO ISOLATION the TSI key switch has the PresSura controller in no isolation mode In normal operation the key switch is not enabled unless ROOM MODE item has KEY SWITCH selected Flow Input Premium models only Menu Item FLOW INPUT The FLOW INPUT item is used to read the input from the flow station When this item is entered a voltage will be indicated on the displa
16. ET ADDRESS item is used to select the main network 1 to 247 1 ADDRESS ADDRESS address of the individual room pressure device Each unit on the network must have its own unique address The values Premium range from 1 to 247 If RS 485 communications are being used models only then a unique NET ADDRESS must be entered into the unit There is no priority between the RS 485 and keypad The most recent signal by either RS 485 or keypad will initiate a change RS 485 communications allows you access to all menu items except calibration items The RS 485 network can initiate a change at any time The RS 485 cannot override the TSI key switch when ROOM MODE selection is key switch TSI key switch A keylock switch mounted on the wall changes the pressure between negative pressure positive pressure or no isolation if 3 position switch installed OUTPUT OUTPUT The OUTPUT RANGE item selects the resolution range of the LOW or HIGH HIGH RANGE RANGE analog pressure signal output There are two choices LOW 0 01000 to 0 01000 H O HIGH 0 10000 to 0 10000 H20 0 volt 4 mA represents maximum negative pressure differential 5 volts 12 mA represents a 0 room pressure differential 10 volts 20 mA represents maximum positive pressure differential If the actual pressure exceeds the range the output remains at maximum or minimum depending on direction of flow ve OML Hed OUTPUT OUTPUT RANGE RANGE continued OUTPUT OUTPUT
17. INPUT 2SENSOR IN item is used to verify that the DIM or monitor electronics is receiving a signal from the sensor When this item is entered a voltage will be indicated on the display The exact voltage displayed is relatively unimportant It is more important that the voltage is changing which indicates the sensor is working correctly 0 volts represents a negative pressure of 0 2 inches H20 5 volts represents 0 pressure 10 volts represents a positive pressure of 0 2 inches H20 Sensor Communications Menu Item SENSOR STAT 2SENSOR STAT The SENSOR STAT 2SENSOR STAT item verifies that the RS 485 communications between the pressure sensor and DIM is working correctly Sensor error messages do not display on DIM except when SENSOR STAT item is selected The item will display NORMAL if communications are established correctly If problems exist one of four error messages will display COMM ERROR DIM cannot communicate with sensor Check all wiring and the pressure sensor address Address must be 1 or 2 figure 9 SENS ERROR Problem with sensor bridge Physical damage to pressure sensor or sensor circuitry Unit is not field repairable Send to TSI for repair CALERROR Calibration data lost Sensor must be returned to TSI to be calibrated DATA ERROR Problem with EEPROM field calibration or analog output Check all data programmed and confirm unit is functioning correctly Analog Output Menu Item ANALOG OUT The
18. If the PresSura controller displays English units area must be calculated and then entered in cubic feet If metric units are displayed area must be entered into the unit entered in cubic meters 0c OM Jed CONFIGURE MENU continued SECOND SENSOR ENABLE Premium models only ACCESS CODE 2 SENSOR ACCESS CODE END OF MENU The 2 SENSOR item turns the second sensor on or off This item requires a second TSI pressure sensor to be installed in order to function Turning 2 SENSOR on adds the second sensor pressure value to the display s sequence and enables the 2 LOW ALM and 2 HIGH ALM items NOTE The second sensor s communication address must be set to 2 in order to function See Figure 9 to change second sensor address 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 ON or OFF OFF ON or OFF OFF uoles e2iuuoe Ic CONFIGURE MENU continued SENSOR SPAN SPAN FLOW ZERO FLOW ZERO Premium models only SECOND 2SENSOR SENSOR ZERO ZERO Premium
19. PECIFICATIONS te d qs aspe dran eer aee tie 37 APPENDIX B WIRING DIAGRAMS sss 39 APPENDIX C ACCESS CODES ie Hence i e e addu iene 41 How to Use This Manual The PresSura Operation and Service Manual is divided into two parts Part one describes how the PresSura unit functions 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 PresSura controller operates Part two describes the technical aspects of the product which includes operation calibration configuration 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 proper PresSura controller installation Refer to the Installation Instructions to determine if the PresSura controller has been properly installed This page intentionally left blank Part One User Basics Reading product manuals should not be a difficult and time consuming process This section provides a brief but thorough overview of the PresSura product by maximizing information with minimal reading These few pages explain the purpose The Instrument and the operation Useful User Information Digital Interface Module Alarms of the unit Technical product information is available in Part Two of
20. SIGNAL SIG ACCESS ACCESS CODE CODE END OF MENU INTERFACE MENU continued The PresSura controller updates the analog output every 0 1 LOW or HIGH second This signal outputs a linear 0 to 10 volt direct current VDC or 4 to 20 mA DC analog output which corresponds to the measured room pressure The OUTPUT SIG item selects the type of analog pressure 0 to 10 VDC or 0to 10 VDC signal output The analog output signal can either be 0 to 10 4to 20 mA VDC or 4 to 20 mA 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 Calibration The calibration section explains how to calibrate the PresSura pressure sensor including setting the proper elevation and how to zero a TSI flow station pressure transducer NOTE The PresSura pressure sensor is factory calibrated and normally does not need to be adjusted However inaccurate readings may be detected if pressure sensor is not installed correctly or problems with the sensor exist First check that the sensor is installed correctly
21. TOR P N 800244 P N 800245 DIGITAL INTERFACE MODULE DIM NOTE PINS 15 16 21 26 FUNCTION ON PREMIUM MODEL ONLY Figure 10 Wiring Diagram Appendix B 39 40 This page intentionally left blank Wiring Diagram Appendix C Access Codes These are the access codes to the different menus of the PresSura Room Pressure Monitor When an access code is required pressing the following key sequence will provide access to the required menu Key OAN akRWoONM Appendix C Setpoints EMERGENCY Interface TEST EMERGENCY AUX MUTE MENU Alarm Configure TEST EMERGENCY TEST MENU MUTE AUX EMERGENCY MENU MENU MENU Diagnostics TEST MUTE AUX AUX MENU Calibration AUX MENU MUTE MENU AUX Control EMERGENCY AUX 41 42 This page intentionally left blank Access Codes 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 8219 7688 France Tel 33 4 91 11 87 64 Singapore Tel 65 6595 6388 Germany Tel 49 241 523030 P N 1980242 Rev G 2013 TSI Incorporated Printed in U S A
22. YRIGHT TSI Incorporated 2000 2013 All rights reserved PART NUMBER 1980242 Rev G 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 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 with
23. YS LIGHT Green Red light The green light is on when all the conditions for proper room pressure are adequate This light indicates the isolation room is operating safely If any of the room pressure conditions cannot be satisfied the green light turns off and the red alarm light turns on Operator Panel A cover hides the operator panel Sliding the door panel to the right exposes the operator panel Figure 2 Digital Display The alphanumeric digital display is a two line display that indicates actual room pressure positive negative or no isolation alarm status menu options and error messages In normal operation green light is on the display continuously scrolls information about room pressure and other variables programmed flow air changes per hour etc The variables that scroll depend on the model of PresSura controller purchased and options installed As an example if an alarm condition occurs the variable that normally scrolls PRESSURE PRESSURE NORMAL will change to read ALARM will state type of alarm low pressure high pressure flow When programming the unit the display will change and now show menus menu items and current value of the item depending on the specific programming function being performed Keypad The keypad has six keys The gray keys with black letters are user information keys In normal operation these keys are active The gray keys with blue characters are u
24. chnical Section 29 TEST DIM Press TEST key to verify Digital Interface Module 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 electronics may be corrupted Check all software 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 Sensor input Sensor status Analog output Key input These diagnostic menu items are explained in detail in the next section Diagnostics Menu of the manual so their function is not reviewed here If the PresSura system passes each of the tests the mechanical piece parts are all functioning correctly TEST Sensor input Enter SENSOR INPUT menu item in diagnostics menu A voltage between 0 and 10 volts DC will be displayed It is not important what the exact voltage is to pass this test Tape over the pressure sensor slide pressure sensor door open and voltage should read approximately 5 volts zero pressure Remove tape and blow on sensor Displayed value should change If voltage changes the unit passes If voltage doesn t change proceed to Sensor status test TEST Sensor status Enter SENSOR STAT menu item in diagnostics menu If NORMAL is displayed the unit passes test If an error message is displayed go to diagnostic menu section of th
25. e 2 LOW ALM set point The alarm can be a negative or positive pressure alarm set point The second sensor low and high alarms must be programmed for the same pressure direction positive or negative In addition the PresSura controller has a minimum dead band of 40 ft min between the second sensor low and high alarms The dead band helps prevent nuisance alarms The second sensor monitors the room pressure of a second space typically an ante room and is not part of the primary sensor or control sequence This alarm is on when the DIM is in positive or negative mode This item is enabled when the second pressure sensor item is enabled see menu item 2 SENSOR 9I OML Hed ALARM MENU continued SECOND 2 HIGH ALM SENSOR HIGH ALARM Premium models only ALARM ALARM RESET RESET AUDIBLE AUDIBLE ALARM ALM The 2 HIGH ALM item sets the second sensor s high alarm set OFF 0 to 0 19500 OFF point A high alarm condition is defined as when the magnitude H20 of the second sensor s room pressure rises above the 2 HIGH or 0 to 0 19500 H2O ALM set point The alarm can be a negative or positive pressure alarm set point The second sensor low and high alarms must be programmed for the same pressure direction positive or negative In addition the PresSura controller has a minimum dead band of 40 ft min between the second sensor low and high alarms The dead band helps prevent nuisance alarms The second sen
26. e manual SENSOR STAT menu item for explanation of error message 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 Voltage should change from 10 volts to zero volts 20 MA to 0 mA if current output TEST Key input NOTE This test is only performed if system has a TSI key switch installed Enter ROOM MODE item in control menu Verify KEY SWITCH option is selected Exit menu item and enter KEY INPUT item in diagnostics menu Note the position of the key switch Verify that key switch position and key input match Rotate key switch to verify key input works for all positions 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 30 Part Two Diagnostics menu The items in the diagnostic menu listed below aid in identifying problems the staff may encounter The items in this menu temporarily change the function by pressing the A V keys No permanent change occurs with these menu items Items are exited by pressing the MENU key When an item is exited the PresSura controller returns to its normal state Sensor Input Menu item SENSOR INPUT 2SENSOR IN The SENSOR
27. e room pressure status The green light is on when the room has proper room pressure The red light comes on when an alarm condition exists Sliding the door panel to the right reveals a digital display and keypad Figure 2 The display shows detailed information about room pressure alarms etc The keypad allows you to test the device and program or change the device parameters a f oo 00000 00000 o0000 ooo 00000 00000 ooooo o ooo o o o PRESSURA PRESSURA E 1 e 0000000 0000000 0000000 0000000 000000 000000 o Figure 2 Digital Interface Module DIM PresSura controller has two levels of user information d PresSura controller has a red light and green light to provide continuous information on room pressure status 2 PresSura controller has a hidden operator panel providing detailed room status information self testing capabilities and access to the software programming functions NOTE The unit provides continuous room pressure status through the red and green light The operator panel is normally closed unless further information on room pressure status is needed or software programming is required Operator Panel The DIM in Figure 3 shows the location of the digital display keypad and lights An explanation of the operator panel follows the figure Mune 2 LINE LIGHT DIGITAL DISPLAY GREEN SAFE KE
28. ects of the unit Each section is written as independently as possible to minimize flipping back and forth through the manual for an answer 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 Item section lists all of the software items available to program and change The items are grouped by menu which means all calibration items are in one menu alarm items in another etc The menu items and all related information including programming name description of menu of item range of programmable values and how the unit shipped from the factory default values This manual covers two models The features unique to the premium unit are highlighted in Figure 6 and are identified as Premium model only items The Calibration section describes the required technique to compare the pressure sensor reading to a thermal anemometer and how to adjust the zero and span to obtain an accurate calibration This section also describes how to zero a TSI flow station transducer 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 areas Mechanical operation of the unit and system performance Many external variables will affec
29. essure velocity as measured by a portable air velocity meter A second sensor span should be established prior to adjusting the second sensor span see Calibration section following menu item listing If menu item displays SEC SENS OFF the second sensor must be turned on menu item 2 SENSOR to activate the 2SENSOR SPAN The ELEVATION item is used to enter the elevation of the hospital above sea level This item has a range of 0 to 10 000 feet in 1 000 foot increments The pressure value needs to be corrected due to changes in air density at different elevations 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 Unit is factory calibrated No initial adjustment should be necessary 0 to 10 000 feet above 0 sea level ON or OFF ON uoioes e2iuuoe c INTERFACE MENU NETWORK NET The NET PROTOCOL item selects the communications MODBUS MODBUS PROTOCOL PROTOCOL protocol used to interface with the building management or system CIMETRICS Premium models only NETWORK NET The N
30. 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 TRADEMARKS TSI and TSI logo are registered trademarks of TSI Incorporated PresSura is a trademark of TSI Incorporated CONTENTS HOW TO USE THIS MANUAL iii iii PART ONE USER BASICS ibra alieni 1 Roin 1 Operator Panel gre re iaia 3 AlalmMSsi s alia a 5 Before Calling TS rrt aa ara 6 PART TWO TECHNICAL SECTION 7 Software Programming i 8 Menu and Menu Items eene 12 Calibration c dalek 25 Maintenance and Repair PartS i 27 Troubleshooting Section 29 APPENDIX A S
31. 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 an 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 is being saved A V 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 NOTE When programming a 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 sequence of keystrokes to follow is the same regardless of the menu item being changed 1 2 Technical Section Press the MENU key to access the main menu Use the A W 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 one 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 item is displayed Press the SELECT key to access chosen item The top line of display shows menu item selected while the sec
32. le the display UNITS UNITS The UNITS item selects the unit of measure that the controller FT MIN m s H20 H20 displays all values except calibration span These units Pa mm H2O display for all menu items set points alarms flows etc DUCT AREA DUCT AREA The DUCT AREA item is used to input the duct size The duct 0 to 10 square feet 0 size is needed to compute the flow in out of the room This 0 to 0 9500 square Premium item requires a TSI flow station to be mounted in the duct meters models only When a duct area is programmed the display will The PresSura automatically scroll the actual flow as part of the display controller does not sequence If a zero value is entered the flow value will not compute area The scroll on the display area must be first calculated and then If the PresSura controller displays English units area must be antarad inte ther nit entered in square feet If metric units are displayed area must be entered in square meters ROOM ROOM The ROOM VOLUME item is used to input the volume of the 0 to 20 000 cubic feet 0 VOLUME VOLUME room The room volume is required to calculate air changes per 0 to 550 cubic hour meters Premium models only Entering a value for the volume will add the air changes per The PresSura hour value to the display s scrolling sequence If a zero value is controller does not entered the air changes per hour will not scroll on the display compute volume The volume must be first
33. minated The alarm priority is as follows Pressure sensor low alarm Pressure sensor high alarm Flow station minimum exhaust flow Flow station minimum supply flow Second pressure sensor low alarm Second pressure sensor high alarm Data error The low and high alarms are absolute values The chart below shows how the values must be programmed in order to operate correctly 0 2 inches H O 0 0 2 inches H O maximum negative maximum positive High Low Zero Low High Negative Negative Positive Positive Alarm Alarm Alarm Alarm The value of each alarm is unimportant except for small dead band in graph above It is important to understand that the negative positive low alarm must be between zero 0 pressure and the high alarm value UOIJIEg e2iuuoe 6L CONFIGURE MENU ROOM MODE ROOM The ROOM MODE item selects the room pressure direction KEY SWITCH NEGATIVE MODE This item enables all related alarms for pressure direction NEGATIVE selected Selecting key switch enables a remote TSI key POSITIVE NO switch which determines pressure direction ISOLATION DISPLAY DISPLAY The DISPLAY AVG item selects the display s averaging 0 75 1 2 3 5 10 20 20 seconds AVERAGE AVG period The display averaging period is the length of time the or 40 seconds room pressure has been averaged before being displayed The DISPLAY AVG item value may be set between 0 75 and 40 seconds The higher the averaging value the more stab
34. nding on the hospital organization The alarms audible and visual will activate whenever the preset alarm level is reached Depending on the PresSura model installed programmed alarms will activate when room pressure is low or inadequate when room pressure is high or too great or when the supply or exhaust air flow is insufficient When the isolation room is operating safely no alarms will sound Example The low alarm is preset to activate when the room pressure reaches 0 001 inches H2O When the room pressure drops below 0 001 inches H2O gets closer to zero 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 negative pressure greater than 0 001 inches H20 Visual Alarm Operation The red light on the front of the unit indicates an alarm condition The red light is on for all alarm conditions low alarms and high alarms Audible Alarms 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 The alarm will be silent for a period of time see MUTE TIMEOUT to program time period When the timeout period ends the audible alarm turns back on if the alarm condition is still present You can program the audible alarm to be permanently turned off see AUDIBLE ALM The red alarm light will still turn on in alarm conditions when audible alarm is turned off
35. ng Room mode is incorrect Defective switch defective DIM Verify wiring is correct between key switch and DIM Go into CONFIGURE menu ROOM MODE item Verify ROOM MODE is in key switch position Verify ROOM MODE is in key switch position Go into DIAGNOSTICS menu KEY INPUT item Display should read negative in negative position positive in positive position and no isolation in neutral position If display changes correctly switch and switch input is good If display does not change Disconnect key switch wires from DIM pins 11 and 12 Measure the resistance of the switch Negative position should be open infinite Neutral position should read approximately 273 K Ohms Positive position should be closed short If room mode is correct and resistance check is good DIM key input is probably defective Replace DIM Part Two Key switch in neutral but alarms still function DIM does not respond to RS 485 communications Red alarm light is on alarm is sounding Alarms don t turn off after returning to normal operation green and red lights are on Technical Section Key switch is not selected in ROOM MODE menu item Key switch is defective Network protocol is incorrect Incorrect network address Incompatible software Room pressure is below low alarm pressure Room pressure is above high alarm pressure Alarm is set for latched operation see ALARM RESET
36. ng door Figure 8 The air flow orifice should be free of obstructions The small ceramic coated sensors protruding from the orifice wall should be white and free of accumulated debris SENSOR gt 9000000 0000000 SLIDING COVER PRESSURE SENSOR Figure 8 Pressure sensor door slid open Periodically inspect the other system components for proper performance and physical signs of excessive wear Pressure Sensor Cleaning Accumulations of dust or dirt can be removed with a dry soft bristled brush 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 Technical Section 27 Replacement Parts All components of the room pressure monitor are field replaceable Contact TSI HVAC Control Products at 800 874 2811 U S and Canada or 001 651 490 2811 other countries or your nearest TSI Manufacturer s Representative for replacement part pricing and delivery 800244 Model 8630 SM Pressure Monitor 800245 Model 8630 PM Pressure Monitor 28 Part Two Troubleshooting Section The PresSura Room Pressure Monitor is designed to be trouble free However installation problems or i
37. nit is communicating with DIM This is normal This is normal when no problems exist or when communication is occurring Check SENSOR STAT item in diagnostics menu If NORMAL is displayed sensor is okay if COMM ERROR is displayed check wiring pressure sensor address and that DIP switch 1 amp 2 are ON Figure 9 Pressure sensor must be set for O to 10 volt output not 4 to 20 mA do not confuse this output with DIM analog output Check pressure sensor DIP switch 3 and make sure it is OFF See Figure 9 33 DIM displays opposite pressure signal Sensor does not calibrate Positive negative neutral key switch doesn t work 34 Sensor direction is incorrect Incorrect pressure sensor address Pressure sensor must have DIP switch correctly set for proper sign display Verify DIP switch 4 is ON when sensor is mounted in isolation room controlled space and OFF when mounted in reference space see Figure 9 Primary pressure sensor must have address of 1 Second sensor must have address of 2 Check pressure sensor DIP switches 5 amp 6 and verify address is correct 7 to 12 must be OFF SLIDING COVER LL m PRESSURE SENSOR ON ON OFF OFF FOR REFERENCE SPACE ON FOR CONTROLLED SPACE ON FOR ADDRESS 1 OFF FOR ADDRESS 2 OFF FOR ADDRESS 1 ON FOR ADDRESS 2 OFF OFF OFF OFF OFF OFF Figure 9 Pressure sensor DIP switch Incorrect wiri
38. nteraction with other HVAC components may cause system problems The PresSura system is easy to troubleshoot if an organized approach to evaluate the system is taken Troubleshooting is broken down into hardware 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 configuration problems and interaction problems with the HVAC system The hardware test described in this section determines that all TSI mechanical components are functioning correctly The hardware test requires the diagnostics menu items to be accessed If you are unfamiliar with the PresSura menus see Software Programming for keystroke procedure Troubleshooting the majority of problems is usually quick if the hardware test is followed 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 hospital 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 de
39. ond line shows current item value Use the A W keys to change 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 Programming Example The following example demonstrates the keystroke sequence explained above In this example the positive pressure low alarm set point will be changed from 0 00035 inches H5O to 0 00050 inches H20 Unitis in normal operation scrolling room pressure flows etc Pressure is shown in this case O Press the MENU key to gain access to the menus The first 2 menu choices are displayed Press the SELECT key to access the ALARM menu NOTE Blinking cursor must be on A in Alarm Line 1 shows menu selected Line 2 shows first menu item Press the W key until POS LOW ALM is shown on display Menu selected Item name O Press the SELECT key to access the positive low alarm set point The item name POS LOW ALM will now be displayed on line 1
40. opening and closing doors etc TIMEOUT alarm is silenced after the MUTE key is pressed This delay temporarily mutes the audible alarm NOTE Ifthe PresSura controller is in alarm when MUTE TIMEOUT expires the audible alarm turns on When the PresSura controller returns to the safe range the MUTE TIMEOUT is canceled If the room goes back into an alarm condition the MUTE key must be pressed again to mute the audible alarm ACCESS The ACCESS CODE item selects whether an access code ON or OFF OFF 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 END OF The END OF MENU item informs you that the end of a menu 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 ALARM CONSTRAINTS There are a number of constraints built into the software that prevent users from programming conflicting alarm information These are as follows Room mode The positive pressure alarms are only active when positive pressure is enabled Negative pressure alarms are only active when negative pressure is enabled In no isolation mode all alarms are turned off The PresSura controller is programmed not to allow the pressure alarms to be programmed within 40 ft min 0 000
41. pressure Figure 1 gives a graphic example of positive and negative room pressure ROOM ROOM lt bPSrrPrr lt bSrrpr Negative Positive Figure 1 Room Pressure User Basics 1 An example of negative pressure is a bathroom with an exhaust fan When the fan is turned on air is exhausted out of the room creating a slight negative pressure in the bathroom compared to the hallway This pressure differential forces air to flow from the hallway into the bathroom The PresSura device informs the staff when the room is under proper pressure and provides alarms when the room pressure is inadequate If the room pressure is in the safe range a green light is on If the pressure is inadequate a red alarm lights and audible alarm turns on The PresSura controller consists of two pieces a pressure sensor and a Digital Interface Module DIM The pressure sensor is mounted above the doorway entrance to the isolation room Usually the DIM is mounted near the entrance to the isolation room or at the nursing station The pressure sensor continuously measures the room pressure and provides room pressure information to the DIM The DIM continuously reports the room pressure and activates the alarms when necessary PresSura Room Pressure Controller is a continuous measuring system providing instant information on the room pressure Useful User Information The DIM has a green light and red light to indicat
42. rms are the most important or have the highest priority Disconnect the wiring from relay contact pins 13 and 14 for low alarm relay and pins 25 and 26 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 theA W 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 All data may be lost or changed Review all configuration parameters DATA ERROR is removed by pressing the RESET key Check supply and exhaust flow for stability Verify reference pressure is not fluctuating Check location of supply air diffusers and exhaust grilles They should be as far from pressure sensor as is realistic 6 feet preferred 21 2 feet minimum Supply diffuser terminal throw velocity must be less than 10 ft min at the sensor Relocate supply or exhaust as needed This symptom occurs when multiple devices are being ran off one transformer Each system must be powered by its own transformer or have an isolation transformer installed NOTE Unit may hunt due to speed of system and may not be tied to ground loop problem Part Two Appendix A Specifications Room Pressure Module Display Range Resolution Display Update Inputs Switch Flow in in Outputs
43. s so thoroughly review the items to be changed MUTE A TEST RESET SELECT v Figure 4 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 the 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 the items on a menu 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 The 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
44. section provides the following information Complete list of menu 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 calibration items are in one menu alarm information in another etc The manual follows the menus as programmed in the monitor The menu items are always grouped by menu and then listed in menu item order not alphabetical order Figure 5 shows a chart of all Model 8630 SM standard monitor menu items Figure 6 shows the additional menu items in bold available on the Model 8630 PM premium monitor ALARM CONFIGURE CALIBRATION INTERFACE DIAGNOSTICS NEG LOW ALM ROOM MODE SENSOR ZERO OUTPUT RANGE SENSOR INPUT NEG HIGH ALM DISPLAY AVG SENSOR SPAN OUTPUT SIG SENSOR STAT POS LOW ALM UNITS ELEVATION ACCESS CODE ANALOG OUT POS HIGH ALM ACCESS CODE ACCESS CODE KEY INPUT ALARM RESET LOW ALM REL AUDIBLE ALM ACCESS CODE ALARM DELAY MUTE TIMEOUT ACCESS CODE Menu items located in Troubleshooting section Figure 5 Menu items Model 8630 SM Standard Monitor 12 Part Two ALARM NEG LOW ALM NEG HIGH ALM POS LOW ALM POS HIGH ALM MIN CFM ALM 2 LOW ALM 2 HIGH ALM ALARM RESET AUDIBLE ALM ALARM DELAY MUTE TIMEOUT ACCESS CODE
45. sed to program the unit The red emergency key has no function on the monitor and has been disconnected A thorough description of each functioning key is given below User Basics 3 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 instrument self test Pressing the TEST key activates a scrolling sequence on the display that shows the product model number software version 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 two functions 1 Resets the alarm light alarm contacts and audible alarm when in a latched or non automatic reset mode The room pressure must be in the safe or normal range before the RESET key will operate 2 Clears any displayed error messages MUTE Key The MUTE key temporarily silences the audible alarm The time the alarm is temporarily silenced is programmable by you see MUTE TIMEOUT When the mute period ends the audible alarm turns back on if the alarm condition is still present NOTE You can program the audible alarm to be permanently turned off see AUDIBLE ALM AUX Key
46. sor monitors the room pressure of a second space typically and ante room and is not part of the primary sensor or control sequence This alarm is on when the DIM is in positive or negative mode This item is enabled when the second pressure sensor item is enabled see menu item 2 SENSOR The ALARM RESET item selects how the alarms terminate LATCHED UNLATCHED after the unit returns to the safe pressure range pressure or OR flow UNLATCHED alarm follow automatically resets the UNLATCHED alarms when the unit reaches the safe pressure range LATCHED requires the staff to press the RESET key after the unit returns to safe pressure range The ALARM RESET affects the audible alarm visual alarm and relay output which means all are latched or unlatched The AUDIBLE ALM item selects whether the audible alarm is ON or OFF ON turned ON or OFF Selecting ON requires the staff to press the MUTE key to silence the audible alarm Selecting OFF permanently mutes all audible alarms uoi2eg PIIUYIE Ll MUTE MUTE The MUTE TIMEOUT determines the length of time the audible 5 to 30 MINUTES 5 MINUTES TIMEOUT ACCESS CODE ALARM MENU continued ALARM DELAY ALARM The ALARM DELAY determines the length of time the alarm is 20 to 600 SECONDS 20 DELAY delayed after an alarm condition has been detected This delay SECONDS affects the visual alarm audible alarm and relay outputs An ALARM DELAY prevents nuisance alarms from staff
47. t how the unit functions so it is critical to first determine if the unit is having mechanical problems i e no display on unit remote alarms don t function etc If problems still 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 7 Software Programming Programming the PresSura Room Pressure Controller is quick and easy if the programming keys are understood and the proper key stroke 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 Itis important to note that the unit is always operating 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 Figure 4 are used to program or configure the unit to fit your particular application Programming the instrument will change how the unit function
48. termine all hardware is functioning correctly The tests are broken down into 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 The TSI cables are all color coded to ensure proper wiring A wiring diagram is located in Appendix B of this manual 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 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 Te
49. the manual The manual focuses on hospital isolation rooms but the product information is accurate for any room pressure application The Instrument PresSura Room Pressure Controller measures and reports room pressure Proper room pressure can control airborne contaminants that can adversely affect patients and hospital staff For example tuberculosis TB isolation rooms need negative room pressure air flowing into the room to minimize TB exposure to staff and other patients Conversely surgical areas and bone marrow patient rooms need positive room pressure air flowing out of the room to keep out contaminants that may adversely affect the patient Room pressure or pressure differential is created when one space hallway is at a different pressure than an adjoining space patient room When a pressure differential is created between two spaces air is forced to flow from the higher pressure space to the lower pressure space The direction of air flow is one component of proper room pressure The second component of room pressure is the speed or how fast is the air moving between the two spaces The PresSura controller provides both pieces of information by measuring whether the air is flowing into or out of a room and the speed of the air Negative room pressure is present when air flows from a hallway ante room into the patient room If air flows from the patient room into the hallway ante room the room is under positive
50. ve the data and exit back to the calibration menu Sensor zero Slide open pressure sensor door and tape over 1 2 inch sensor orifice see Figure 7 Make sure pressure sensor orifice is taped over Sensor is located about 3 4 into housing Select SENSOR ZERO item 2 SENSOR ZERO item if second sensor Press SELECT key Sensor zero procedure which takes 120 seconds is automatic Press SELECT key to save the data Remove tape from sensor orifice and close pressure sensor door Technical Section 25 SENSOR 0000000 SLIDING COVER PRESSURE SENSOR Figure 7 Pressure sensor door slid open Sensor span NOTE Always take a sensor zero prior to adjusting the sensor span A smoke test and a comparison measurement by an air velocity meter are required to calibrate the pressure sensor The air velocity meter only gives a velocity reading so a smoke test must be performed to determine pressure direction WARNING The span can only be adjusted in the same pressure direction Adjusting span cannot cross zero pressure Example If unit displays 0 0001 and actual pressure is 0 0001 do not make any adjustments Manually change the air balance close or open dampers or open door slightly to get both unit and actual pressure to read in same direction both reads positive or negative This problem can only occur at very low pressures so slightly changing the balance should eliminate the problem
51. y The exact voltage displayed is relatively unimportant It is more important that the voltage is changing which indicates the flow station is working correctly 0 volts displayed equals zero flow 5 volts displayed equals 2832 ft min x duct area ft Low Alarm Relay Menu Item LOW ALM REL The LOW ALM REL item is used to change the state of the low alarm relay When this item is entered the display will indicate either OPEN or CLOSED The A V keys are used to toggle the state of the relay The A key is used to OPEN the alarm contact The W key 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 premium models only Menu Item HIGH ALM REL The HIGH ALM REL item is used to change the state of the high alarm relay When this item is entered the display will indicate either OPEN or CLOSED The A W keys are used to toggle the state of the relay The A key is used to OPEN the alarm contact The W key is used to CLOSE the alarm contact When the contact is closed the HIGH ALM REL should be in an alarm condition 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 32 Part
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