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Air Monitor MASS-tron II/CEM, Installation, Operation And Maintenance Manual

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Air Monitor MASS-tron II/CEM Installation, Operation And Maintenance Manual Download Page 12

MASS-tron II/CEM

Air Monitor Corporation

116-004-94.P65 (8-31-10)

MASS-tron II/CEM

 - IO&M Manual

7

4.4 – PROCESS CONNECTIONS (con't)

If process being measured contains humidity or moisture, it is recommended a drip leg with drain on each tube/pipe be
installed to preclude the migration of water into the MASS-tron II/CEM.  See Figure 4.2. for typical drip leg installation.

Figure 4.2

CAUTION

Migration of water into the MASS-tron II/CEM will void warranty.

SECTION 4 – INSTALLATION

Summary of Contents for MASS-tron II/CEM

Page 1: ...tion Operation Maintenance Air Monitor Corporation provides complete technical support between the hours of 7 a m and 5 p m PST M F Contact our Service Department Toll Free 1 800 AIRFLOW or fax us at 1 707 526 2825 Air Monitor Corporation 116 004 94 P65 8 31 10 MASS tron II CEM IO M Manual Precision Airflow Measurement An ONICON Brand ...

Page 2: ......

Page 3: ...OPERATOR SETUP MENU 3 3 2 40CFR75 COMPLIANT 3 3 3 AIR DENSITY CORRECTION 3 3 4 TRANSMITTERHOLD 3 3 5 AUTOMATICZEROING 3 3 6 AUTO purge MANAGEMENT 3 3 7 ALARM 4 3 8 DATADISPLAY 4 3 9 K FACTOR 4 3 10 FLOW DIFFERENTIAL PRESSURE CALCULATOR 4 3 11 NETWORK 4 3 12 MULTIPLE OPERATING POWER SELECTIONS 4 3 13 ENCLOSURE 4 SECTION 4 INSTALLATION 4 1 RECEIVINGAND INSPECTION 5 4 2 LOCATION 5 4 3 MOUNTING 5 4 4 ...

Page 4: ...TION 39 40 5 17 ENHANCED DISPLAYCONFIGURATION 41 44 5 18 ANALOG OUTPUTCONFIGURATION 45 5 19 TRANSDUCER SPAN SELECTION 46 5 20 TRANSMITTERINPUTCALIBRATION 47 5 21 TRANSMITTEROUTPUTCALIBRATION 47 5 22 POWER SUPPLY CALIBRATION 47 5 23 TRANSDUCERCHARACTERIZATIONSELECTION 48 5 24 NETWORK CONFIGURATION 49 5 25 MENU INACTIVITY TIMEOUT SELECTION 50 SECTION 6 CALIBRATION 6 1 REQUIRED EQUIPMENT 51 6 2 PREPA...

Page 5: ...iginal components Purchaser shall notify Seller in writing of such defect within sixty 60 days of discovery of the defect This warranty does not extend to any product sold by Seller which has been the subject of misuse neglect accident damage or malfunction caused by interconnection with equipment manufactured by others improper installation or storage or used in violation of instructions furnishe...

Page 6: ... the transducer The differential between the two pressure signals displaces the diaphragm the magnitude of the displacement being measured creates an electrical DC output from the transducer Additional analog signals of process temperature via external temperature input and process static pressure via internal absolute pressure transmitter are made available After being multiplexed and undergoingA...

Page 7: ... fused and reverse polarity protected 2 1 TRANSMITTER Ranges Natural Full Spans 0 to 25 00 IN w c 0 to 10 00 IN w c 0 to 5 00 IN w c 0 to 2 00 IN w c 0 to 1 00 IN w c Span Rangeability The calibrated span can be down ranged to 40 of the Natural Span Accuracy 0 1 of Natural Span including non linearity hysteresis and non repeatability Stability 0 5 of Natural Span for six months Transducer Response...

Page 8: ...n operations performed by the microprocessor place the unit into a Hold mode This occurs when the Operator Setup menu system is activated when anAUTO zero is performed when anAUTO cal is performed or when anAUTO purge cycle is in progress When in Hold all Normal mode processing is halted and outputs are held at their last value prior to Hold Normal operation is indicated by the CPU Activated LED f...

Page 9: ...transmitter s flow calculations The K Factor feature is intended to be used in two types of applications 1 To adjust for flow measurement error as a result of highly distorted airflow induced by upstream or downstream flow disturbances 2 To adjust the transmitter s output to bring it into close correlation with field measured flow data The K Factor gain and bias values can be entered directly or t...

Page 10: ...he unit Verify that the configuration recorded on the Factory Set Up Information Sheet is correct for your application If not contactAir Monitor s Customer Service Department at 1 800 AIRFLOW for further guidance Note The MASS tron II CEM has been configured and calibrated to customer specified parameters see Factory Setup Information Sheet provided with the unit and requires no additional calibra...

Page 11: ... CEM connects to Static Pressure from airflow measuring devices Although any size of tube pipe can be used the response time of the MASS tron II CEM to process change may increase if there is a increase in tube pipe size or an increase in tube pipe length CAUTION Selected fittings should be compatible with the brass 1 8 FPT bulkhead connection and installed using an appropriate thread lubricant se...

Page 12: ...ss being measured contains humidity or moisture it is recommended a drip leg with drain on each tube pipe be installed to preclude the migration of water into the MASS tron II CEM See Figure 4 2 for typical drip leg installation Figure 4 2 CAUTION Migration of water into the MASS tron II CEM will void warranty SECTION 4 INSTALLATION ...

Page 13: ... It is recommended that any power wiring be 14 awg to 18 awg and any signal wiring should be 14 awg to 22 awg 14 awg is the maximum wire gauge that the terminal strip can accommodate No more than two wires should be connected to any one terminal 18 awg is the maximum gauge wire that can be doubled up in one terminal To facilitate wiring and any future removal of the MASS tron II CEM each terminal ...

Page 14: ... 5VDC Minimum load resistance is 2500 ohms Temperature Input Terminals 7 8 and 10 Follow the appropriate figure below for connecting a temperature input signal Figure 4 4 Figure 4 5 AUTO purge Start Signal Terminals 11 and 13 Customer to provide momentary 0 5 to 10 second unpowered dry contact as notification of AUTO purge cycle initiation typically from smart relay Upon receiving this signal tran...

Page 15: ...on t AUTO cal in Progress Terminals 24 25 and 26 Acknowledgment contact for customer use See Section 5 12 for contact logic AUTO purge IN PROGRESS Terminals 29 and 30 Acknowledgment contact for customer use Contacts close uponAUTO purge cycle initiation remain closed through the programmed Purge Duration SECTION 4 INSTALLATION ...

Page 16: ...ve all jumpers from the present signal type pins and install them on the desired signal type pins Inputs have a single jumper covering two pins and outputs have two jumpers covering four pins 4 7 DISPLAY CONTRAST ADJUSTMENT To compensate for different ambient lighting conditions and viewing angles the MASS tron II CEM display s contrast can be adjusted for optimum visibility Contrast is adjusted u...

Page 17: ... green LED indicating CPUActivated will flash rapidly 4 times per second This is Normal operation mode and no further user interface is required If however user would like to verify configuration or change user controlled parameters continue to Section 5 4 entitled CONFIGURATION 5 3 NORMAL OPERATION Under Normal operation the MASS tron II CEM s display will continuously indicate current process va...

Page 18: ...ed The remainder of the AUTO cal cycle consists of Start Report Delay Zero Report Duration In Between Report Duration and Span Report Duration all of which have user selectable durations During the AUTO cal cycle the AUTO cal In Progress LED will be lit The AUTO cal cycle can be manually activated by user by simultaneously pressing ESC and UP then scrolling until PerformAuto Calib is displayed the...

Page 19: ...on II CEM s Configuration mode This is accomplished using the four pushbuttons located on the MASS tron II CEM s top cover The type i e 4 20mA 0 5V 0 10V of available outputs can also be changed by jumper selections on I O board see Section 4 6 To gain access to the jumpers remove two 10 32 screws on front cover and pull the cover straight up and swing to the right CAUTION With cover removed ESD e...

Page 20: ...ion W O S N and ID When in Operator Setup UP or DN Use to scroll to the desired Main Menu item Use to scroll to the value or mode within a Parameter ENT Enters user into specific selection sub menu from Main Menu Selection Displays current setting of selected Parameter Enters the selected value or mode into memory ESC Use to exit Main Menu selection to avoid scrolling to Return to MAIN MENU The fo...

Page 21: ...ATION PROGRAMMING With power ON and initialization complete see Section 5 2 simultaneously press ESC and ENT and display will indicate OPERATOR SETUP Pressing ENT again will enter the user into the Main Menu of configuration programming The display will indicate Operator Password Selection SECTION 5 OPERATION ...

Page 22: ...d on entered variables Selects amount of filtering applied to transducer output Turns AUTO zero function ON or OFF and selects activation interval Refer to smart relay manual for configuration information Allows for the selection of internal external activation reference value and configuration of report sequence Turns alarm function ON or OFF Allows selection of Setpoint Deadband and Alarm Delay ...

Page 23: ...s Note All selections that are available for further configuration programming will have an arrow symbol displayed in the right side of the display field Those that are not available for further configuration programming will not have the arrow symbol displayed and will display NOT INSTALLED beneath the selection description Example Network Not Installed The remainder of this Section details steps...

Page 24: ...splayed press ENT New password will be stored in memory and display will return to Operator Password Selection menu as in Step 2 Note If user desired not to change the password and return to Operator Password Selection menu press ESC Unit will remain programmed as it was originally 5 Use UP or DN to select remaining parameters to be changed 6 Follow Step 4 to make any changes to parameters 7 To re...

Page 25: ...nimum Maximum Density Compensation ON OFF Temperature Range Absolute Pressure Range Duct Area Units etc Note Factory has entered data in this section based on customer supplied information Data can be reviewed and verified by scrolling through the individual menu items or reviewing the Factory Set Up Information Sheet Review this information BEFORE making any changes as they can have a significant...

Page 26: ...ut Lockdown 10 00 FS Output 1 Available only if Square Root is ON in Process Configuration 4 Available only if Process Type is Transmitter Flow Available units depends on Process Type selected Trans Scaling Configuration Default selection shown Available selections Square Root Off On ON Square Root Off On Selection 2 ON or OFF Process Type Selection 3 Process Type Transmitter Flow Transmitter Flow...

Page 27: ...ation sub menu press ESC Unit will remain programmed as it was originally 6 Use UP or DN to select remaining parameters to be changed within the Process Configuration sub menu See the follow Units Lists for the available Process Units selections for the appropriate Process Type See the following Format List for the available Process Format selections 7 Follow Step 5 to make any changes to paramete...

Page 28: ...meters per minute cubic meters per hour Actual cubic feet per second Actual cubic feet per minute Actual cubic feet per hour Actual liters per second Actual liters per minute Actual liters per hour Actual cubic meters per second Actual cubic meters per minute Actual cubic meters per hour Percent Standard cubic feet per second Standard cubic feet per minute Standard cubic feet per hour Standard lit...

Page 29: ...ers per second meters per minute meters per hour Actual feet per second Actual feet per minute Actual feet per hour Actual meters per second Actual meters per minute Actual meters per hour Standard feet per second Standard feet per minute Standard feet per hour Standard meters per second Standard meters per minute Standard meters per hour Normal meters per second Normal meters per minute Normal me...

Page 30: ... water column inches of mercury pounds per square inch gauge Pascals kilo Pascals bars millibars millimeter of water column millimeter of mercury kilograms per square meter Percent in WC in Hg psig Pa kPa bars mbars mm WC mm Hg kg m2 FORMAT LIST 0XXXXX 0 XXXXX X XXXX XX XXX XXX XX X XXX X XX XXX XXX XX0 XXXX X00 XXXX 000 0 to 025000 0 to 0 25000 0 to 2 5000 0 to 25 000 0 to 250 00 0 to 2 500 0 0 t...

Page 31: ...t Output DEFAULTTEMPERATURE 50 to 50 F 50 to 10 C 410 to 510 R 223 to 283 K Maximum Temp Selection Maximum Temp 500 F Min plus 50 to 2000 F Min plus 30 to 1090 C Min plus 50 to 2460 R Min plus 30 to 1300 K 50 to 2000 F 50 to 1090 C 410 to 2460 R 223 to 1300 K 6 Available only if Input Linearization is ON 7 Default Temperature is used when a faulty temperature signal is received Exits to Trans Scal...

Page 32: ...emory and display will return to the Temperature Configuration sub menu as in Step 10 Note If user desires not to change the setting and return to the Temperature Configuration sub menu press ESC Unit will remain programmed as it was originally 13 Use UP or DN to select remaining parameters to be changed within the Temperature Configuration sub menu 14 Follow Step 12 to make any changes to paramet...

Page 33: ...ion sub menu as in Step 17 Note If user desires not to change the setting and return to the Absolute Pressure Configuration sub menu press ESC Unit will remain programmed as it was originally 20 Use UP or DN to select remaining parameters to be changed within the Absolute Pressure Configuration sub menu 21 Follow Step 19 to make any changes to parameters 22 To return to the Transmitter Scaling Con...

Page 34: ...ION Calculate D P Flow DIFF PRES DIFF PRES or FLOW Calculate D P Flow Selection Diff Pressure 1 000 in WC 0 000 to 25 000 inWC in 0 001 increments Diff Pressure Selection13 Default selection shown Available selections Process Static Pres 0 0 in WC 14 Process Temp 68 F Standard Temp 68 F 295 0 to 1 630 0 in WC in 0 01 increments 50 to 2000 F in 1 increments 0 to 100ºF in 1º increments Calculator Fo...

Page 35: ...e Flow Value 13 Update Operating Span Diff Press Value15 Reset Calculation Default Values EXIT Update Flow NO Update Operating Span NO NO or YES 12 Calculator uses parameters entered in Process Configuration ie Type Max Area Units etc as necessary to perform calculation Steps in this Section marked with indicate values or choices previously made in Process Congiuration Exits to Trans Scaling Confi...

Page 36: ...NT and use UP button until temperature reads 150ºF 28 Press ENT and scroll to Calculate Diff Pres Value 29 Press ENT and a new value for Differential Pressure will be displayed 30 Press ENT and then UP and display will read Update Operating Span Diff Pres Value 31 Press ENT scroll to YES and press ENT display will return to that shown in Step 30 and new operating span will be stored in memory Note...

Page 37: ...ng minimal filtering 0 5 sec time constant and 8 representing maximum filtering 64 sec time constant This filtering affects all subsequent outputs displays special function alarms etc that utilize the transducer output 1 While in Main Menu use UP or DN to scroll to Low Pass Filter Selection 2 Press ENT and display indicates current setting of Low Pass Filter 0 none to 8 Maximum 3 Use UP or DN to c...

Page 38: ...in Main Menu use UP or DN to scroll to Auto Zero Configuration 2 Press ENT to enter AUTO zero Configuration menu Display will indicate Auto Zero Off On Selection 3 Press ENT and display will indicate current setting of AUTO zero OFF or ON 4 Use UP or DN to change setting Once desired setting is displayed press ENT and new setting will be stored in memory and display will return to AUTO zero Config...

Page 39: ...31 10 MASS tron II CEM IO M Manual 34 SECTION 5 OPERATION 5 11 AUTO purge CONFIGURATION Refer to smart relay manual for configuration information Auto Zero Configuration Auto Purge Configuration Auto Cal Configuration See I O M Manual Operator Setup Main Menu ...

Page 40: ...h last value prior to AUTO cal initiation Also during this period AUTO cal Relay will be energized This is the time between T3 and T4 in Figure 5 3 Between Report Duration Selection Allows for the selection of the duration of the In Between Report phase of the AUTO cal cycle This period of time is adjustable from 0 to 300 seconds and during this time Output 1 will drop to its minimum value Display...

Page 41: ...t remaining parameters to be changed 6 Follow Step 4 to make any changes to parameters 7 To return to Main Menu select Return to MAIN MENU inAUTO purge Configuration menu and press ENT Auto Purge Configuration Auto Cal Configuration Alarm Configuration Auto Cal Activation Selection Reference Value Selection Start Report Delay Selection Zero Report Duration Select Between Report Duration Sel Span R...

Page 42: ...units as transmitter format Alarm Delay Time between an alarm condition existing and alarm activation Adjustable between 0 0 and 10 0 minutes in 0 1 minute increments 37 Alarm 1 Off On Selection Alarm 1 Low Setpt Selection Alarm 1 Dead Band Selection Alarm 1 Delay Selection Return to MAIN MENU Alarm 1 Off On OFF Alarm1 Low Setpt 250 units Alarm 1 Dead Band 0 units Alarm 1 Delay 5 0 Min Auto Cal Co...

Page 43: ...ing will be stored in memory and display will return to Alarm Configuration menu as in Step 2 Note If user desires not to change the setting and return toAlarm Configuration menu press ESC Unit will remain programmed as it was originally 5 Use UP or DN to select remaining parameters to be changed 6 Follow Step 4 to make any changes to parameters 7 To return to Main Menu select Return to MAIN MENU ...

Page 44: ...4 K Factor Exponent Selection 5 K Factor Gain Selection 5 K Factor Bias Selection 5 Display Max D P 2 Return to MAIN MENU K Factor Exponent X XXXX 0 500 to 2 000 0 0001 increments K Factor Configuration Return to MAIN MENU K Factor Off On OFF OFF or ON 1 Not available if Process Type is D P see Transmitter Scaling Config 3 Available only if YES is selected in Calculate K Factor Calculate K Factor ...

Page 45: ...rrent setting of K Factor OFF or ON 4 Use UP or DN to change setting Once desired setting is displayed press ENT New setting will be stored in memory and display will return to K Factor Configuration menu as in Step 2 Note If user desires not to change the setting and return to K Factor Configuration menu press ESC Unit will remain programmed as it was originally 5 Use UP or DN to select remaining...

Page 46: ...eter List for selection for lines 2 3 4 0 None to 4 Maximum Default selection shown Available selections Enhanced Display Config LINE 2 EXIT Return to MAIN MENU LINE 1 FILTER 0 None 0 None to 4 Maximum LINE 1 EXIT LINE 3 same as LINE 2 3 Not avail if Parameter is CUSTOM TEXT 2 Available only if Parameter is CUSTOM TEXT 1 Available only if Parameter is DIFF PRESSURE LINE 2 DIFF PRES UNITS in WC in ...

Page 47: ...LTER Note Filter selection will not be available if selected parameter is ALARM SETPOINT 13 Press ENT and display will indicate current Filter setting selected for Line 1 0 None 1 Minimum 2 3 or 4 Maximum 14 Use UP or DN to scroll to desired filter setting Press ENT and filter setting will be stored in memory and display will indicate as in Step 12 15 Press UP and display will indicate LINE 2 EXIT...

Page 48: ...available characters 23 When desired character is displayed press ENT character will be stored and cursor will advance one position to the right 24 Repeat Steps 22 and 23 for all 20 positions When position 20 is entered user will be exited back to display as in Step 20 25 Press UP and display will indicate LINE 2 EXIT 26 Press ENT then UP and display will indicate LINE 3 27 Repeat Steps 8 through ...

Page 49: ...tion has been installed PARAMETER LIST for Lines 2 3 4 and 5 DISPLAY IN PARAMETER NORMAL MODE NONE DIFF PRESSURE TRANSMITTER VELO 1 TEMPERATURE ABSOLUTEPRESSURE PERCENTOFPROCESS ALARM LOW SETPOINT 2 CUSTOMTEXT D PRESS VELO TEMP ABS PR Display will indicate process type selected in Process Configuration LO SP 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i ...

Page 50: ...ANSMITTER D P TEMPERATURE ABS PRESSURE XMIT DP REPORT 4 Use UP or DN to change setting Once desired setting is displayed press ENT New setting will be stored in memory and display will return to Analog Output Configuration menu as in Step 2 Note If user desires not to change the setting and return to Analog Output Configuration menu press ESC Unit will remain programmed as it was originally 5 To r...

Page 51: ... span of the installed transducer 0 05 0 10 0 25 0 50 0 75 1 00 1 50 2 00 2 50 3 00 5 00 10 00 15 00 25 00 50 00 100 00 150 00 200 00 or 250 00 IN w c 4 Use UP or DN to change setting Once desired setting is displayed press ENT New setting will be stored in memory and display will return to Main Menu Caution Only change setting if a transducer of different natural span has been installed Note If u...

Page 52: ...4 Zero Output 4 Span Return to MAIN MENU See Calibration Instructions Transmitter Output Calib Operator Setup Main Menu Transmitter Input Calib Transmitter Output Calib Power Supply Calibration 5 22 POWER SUPPLY CALIBRATION User can adjust power supply Voltage to an optimum value The voltage has been adjusted at the Factory and should not require adjustment 1 While in Main Menu use UP or DN to scr...

Page 53: ...This new data along with instructions will be provided with the new transducer from the Factory Data Point 1 Selection Data Point 2 Selection Data Point 3 Selection Data Point 4 Selection Data Point 5 Selection Return to MAIN MENU Xdcr Character Selection Data Point 1 0 Data Point 2 2 500 Data Point 3 5 000 Data Point 4 7 500 Data Point 5 10 000 Return to MAIN MENU 250 to 250 in increments of 1 22...

Page 54: ... return to Network Configuration menu press ESC Unit will remain programmed as it was originally 5 Use UP or DN to select remaining parameters to be changed 6 Follow Step 4 to make any changes to parameters 7 To return to Main Menu select Return to MAIN MENU in Network Configuration menu and press ENT Network Off On Selection Xmit In Sig Source Selection IP Addr Octet 3 Selection IP Addr Octet 4 S...

Page 55: ...T and display will indicate current timeout value 1 to 30 minutes or OFF 3 Use UP or DN to change timeout value Once desired value is displayed press ENT New setting will be stored in memory and display will return to Main Menu Note If user desires not to change the setting and return to Main Menu press ESC Unit will remain programmed as it was originally Network Selection Menu Inactivity Timeout ...

Page 56: ...REQUIRED EQUIPMENT 1 Digital Manometer capable of reading to the nearest 0 001 w c 2 Digital Multimeter 3 Absolute Pressure gauge capable of reading 0 to 40 Hg 4 Voltage Current generator 5 Source of clean dry instrument air 6 Adjustable low pressure regulator such as AMC Low Pressure Air Source or equal 7 Vacuum pump with regulator 8 Temperature Simulator 9 Pressure Regulator 6 2 PREPARATION 1 Tu...

Page 57: ... will indicate Input Zero Done Push ESCAPE 5 Press ESC and then UP display will indicate Transducer Span Calib X XX in WC 6 Apply input pressure as read on manometer to the High port of the MASS tron II CEM Adjust pressure to equal the transducer natural span value which is indicated on the display 7 Press ENT and display will indicate Transducer Span Push ENTER 8 Press ENT and display will indica...

Page 58: ...own in Figure 6 2 Have vacuum pump preset to approximately the required minimum pressure see Factory Set Up Information Sheet Figure 6 2 2 While in Transmitter Input Calib scroll to Abs Pressure Zero Calib 24 00 in WC 3 Start vacuum pump and adjust as read on gauge to minimum absolute pressure value which is indicated on the display 4 Press ENT and display will indicate Abs Pressure Zero Push ENTE...

Page 59: ...ut pressure as read on gauge and readjust as necessary Press ESC and repeat Steps 4 through 5 6 Press ESC and then UP display will indicate Abs Pressure Span Calib 36 00 in Hg 7 Prepare test equipment as shown in Figure 6 3 Figure 6 3 8 Adjust input pressure as read on gauge to the maximum absolute pressure value which is indicated on the display 9 Press ENT and display will indicate Abs Pressure ...

Page 60: ...ATION con t 6 3 2 con t Note If span input is less than 80 or greater than 120 of Maximum Pressure input see Factory Set Up Information Sheet display will indicate Bad Input Span Push ESCAPE If this occurs check input pressure as read on gauge and readjust as necessary Press ESC and repeat Steps 9 through 10 11 Press ESC 12 Remove test equipment ...

Page 61: ...ss ENT and display will indicate Temperature Zero Push ENTER 5 Press ENT and display will indicate Temperature Zero Settle Time 4 Display will count down to 0 after which it will indicate Input Zero Done Push ESCAPE 6 Press ESC and then UP display will indicate Temperature Span Calib XXXºF 7 Adjust temperature signal for maximum value of temperature input value which is indicated on the display 8 ...

Page 62: ...alue to the actual process load DMM should be reading minimum value 0 00 0 01 volts or 4 00 0 01mA 5 If DMM is reading out of tolerance use UP or DN to adjust MASS tron II CEM output for an acceptable DMM reading Depending on DMM s selected range the UP or DN button may need to be pressed and held for a period of time before any change occurs in the DMM s display To speed up changes in output push...

Page 63: ...r 20 00 0 01mA 9 If DMM is reading out of tolerance use UP or DN to adjust MASS tron II CEM output for an acceptable DMM reading 10 Once an acceptable span reading is obtained press ENT and then UP and display will indicate Output 2 Zero 11 Repeat Steps 3 through 10 for other Outputs For Temperature Output 2 connect DMM across terminals 2 and 3 for Absolute Pressure Output 3 across terminals 4 and...

Page 64: ...tput ofAUTO span Pressure Reference see Figure 6 4 3 Using coarse adjustment adjust pressure as read on gauge to 9 0 1 0 psi tap gauge to eliminate any hysteresis 4 Using reference adjustment adjust reference pressure as read on manometer to desired percentage of full scale input pressure see Factory Set Up Information Sheet 5 Remove manometer and reconnect tubing removed in Step 1 above Figure 6 ...

Page 65: ...pecific types of maintenance 7 1 CLEANLINESS Periodically inspect MASS tron II CEM for build up of dust and debris Keep field wiring terminal strips clean to preclude shorting between terminals Verify condensation or other sources of liquids are not present inside the MASS tron II CEM 7 2 MECHANICAL Verify pressure signal connections are secure Inspect pressure signal lines for any cracks or leaks...

Page 66: ...nsmitter Output Calibration see Section 6 4 Replace I O Board Verify pressure signal lines are connected correctly Check for leaky or obstructed lines between MASS tron II CEM and process sensor Check for kinked internal signal pressure lines in transmitter base Replace Transducer Replace CPU Board Verify correct output is selected see Section 5 18 Verify correct input is applied for process appli...

Page 67: ...nterval and activation are properly set see Section 5 11 Check for proper terminal strip wiring and connections see Section 4 5 Verify that Alarm is ON and setpoint is set to correct value see Section 5 13 Check for proper terminal strip wiring and connections see Section 4 5 Replace I O Board Turn power switch OFF and back ON Replace CPU Board Replace CPU Board Check Temperature input for open ci...

Page 68: ...II CEM that are easily replaced by the user When contacting the Customer Service Department about parts please have the applicable Factory Set Up Information sheet available for reference To inquire about price and availability of a specific part number please contact the Customer Service Department at Phone 1 707 544 2706 1 800 AIRFLOW Fax 1 707 526 2825 63 SECTION 9 PARTS LIST ...

Page 69: ...II CEM that are easily replaced by the user When contacting the Customer Service Department about parts please have the applicable Factory Set Up Information sheet available for reference To inquire about price and availability of a specific part number please contact the Customer Service Department at Phone 1 707 544 2706 1 800 AIRFLOW Fax 1 707 526 2825 64 SECTION 9 PARTS LIST ...

Page 70: ...le ensure equipment is packaged sufficiently to protect it during shipment CAUTION All damage occurring during transit is the Customer s responsibility List the Return Authorization R A number on the packing list and clearly mark this number on the outside of each shipping container Costs associated with return of equipment to Air Monitor Corporation are the customer s responsibility regardless wh...

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