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Teledyne Portable Generator 701 User's Manual

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1. Indicators Figure 3 2 Front Panel INLET AIR FILTER Ne 4 SWAGE TON Va NI Figure 3 3 Rear Panel 01671H DCN6051 3 3 GETTING STARTED 3 4 Electrical And Pneumatic Connections All connections electric and pneumatic are made at the rear panel Figure 3 3 NOTE To maintain compliance with EMC standards it is required that the cable length be no greater than 3 meters for all I O connections which include Analog In Analog Out Status Out Control In Ethernet LAN USB RS 232 and RS 485 Make the following pneumatic connections 1 AIR IN 1 4 female pipe thread Screw the inlet filter into the AIR IN port Hand tight is OK NOTE Operation without the filter will cause premature pump wear 2 DRAIN 1 4 swage tvpe bulkhead union Connect 1 4 diameter tubing to the water DRAIN fitting to conduct the occasional spurts of water awav from the instrument rack Connect the tubing to a drain or alternativelv the water mav be collected in a trav or bucket and dispersed bv normal evaporation 3 ZERO AIR OUT 1 4 swage tvpe bulkhead union a Connect the ZERO AIR OUT port of the M701 to the INLET fitting of the Model 700 Calibrator with CLEAN 1 4 TFE tubing The pressure in this line will normallv be 30 PSIG but mav be as high as 80 psig b Keep this line as
2. ENSURE TO UNPLUG THE POWER CORD PRIOR TO PERFORMING ANV LEAK CHECK PROCEDURE Power off the unit and unplug the power cord Cap the exhaust on the rear panel and the regen dryer Disconnect the line from the T connector threaded into the outlet filter to the dew point sensor and cap that fitting as well Plug in the power cord power on the unit and allow it to run until the pump shuts off on its own now it s pressurized Turn off the power switch and wait five minutes The reading on the front panel pressure gauge should not change 01671H DCN6051 6 9 MAINTENANCE Teledyne API Model 701 Zero Air Generator NOTE This procedure checks the majoritv of the components and fittings If you believe that there is still a leak please contact Customer Service at 858 657 9800 6 12 Particulate Filter Element Replacement Replace the particulate filter located at the Air In inlet on the rear panel refer to Figure 3 3 as follows 1 Remove the particulate filter Teledyne API P N FL15 cap by turning it counter clockwise 2 Remove the old filter element and replace with a new filter element Teledyne API P N FL16 3 Replace the particulate filter cap and turn it clockwise to secure in place 6 10 01671H DCN6051 7 TROUBLESHOOTING This section presents possible problems and their causes and solutions Problem Probable Cause Corrective Action Power light does not come
3. Recommended Spare Parts Stocking Level For Pump Assembly 240V Option Installed inti e O 1 25 610 11 20 21 30 os6780100 OPTION PUMP ASSY 240 II 1 2 A 4 01671H DCN6051 Reference 07344A DCN5895 Part Number Description QTV 005960000 AKIT EXP 6LBS ACT CHARCOAL 1 005970000 AKIT EXP 6LBS PURIFIL 006900100 RETAINER PAD CHARCOAL LARGE 2 1 4 li 8 ti 016920000 AKIT EXP KIT MOL SIEVE E G 057270000 GASKET SCRUBBER pe SE FLO000016 FILTER ELEMENT PAPER FOR FL15 OR0000058 ORING 2 228V DRYER A Ef 01671H DCN6051 A 5 Ref 07345A DCN5895 Part Number 3626000A 66180000 CB0000004 A0000006 L0000011 L0000044 HE0000017 OR0000058 A 6 LEVEL 1 SPARES KIT M701H 01671H DCN6051 APPENDIX B Schematics 01671H DCN6051 B 1 This page intentionally left blank 01671H DCN6051 2 3 4 DI A A 1N4007 1N4007 B B c JA c PILOT LIGHT DUMP VALVE JS d J9 CO SCRUBBER DRIER VALVE RELIEF VALVE DCN5874 TRANSFORMER MOV PLUG Title D T 701 701H Controller Board AC POWER Size Number Revision ECH in S 06619 Printed documents are uncontrolled Das waa File N PCBMGR 06619 1B SchDoc Drawn By RT 2 Bi 4 01671H DCN6051 B 3
4. C to prevent water condensation It theoretically should never need changing However it may become contaminated or poisoned over time so we recommend that it be replaced once per vear or sooner if the level of CO in the air is high 5 15 NO Scrubber The NO scrubber uses Purafil to oxidize NO to NO Purafil has a finite life and we recommend that it be replaced annually or sooner if the level of NO in the air is high 5 16 Charcoal Scrubber Activated charcoal removes NO O3 SO and H2S The charcoal should be replaced annually or sooner if there are high atmospheric levels of these contaminants or if the calibrator zero air shows signs of a positive drift 5 17 Final Filter The final filter inside the rear panel retains any particulates released by the M701 The filter rating is 10 microns If the filter should become restricted it should be disassembled and cleaned or the element replaced 5 18 Controller CAUTION Dangerous voltages exist on the controller board even when the power switch is turned off All functions of the M701 are managed by the M701 Control PCA The M701 Control PCA provides connections for all switched and non switched AC components AC input and the front panel power switch circuit breaker Non switched components include the CO or HC scrubber fan and front panel power indicator Switched components include the Regenerative Dryer valve water drain valve and the pump All connections are made
5. R21 10 3 4 5 1 L 3 amp 20 LED BASE ADDR 0x18 PCF8574T 3 512 KK 4 WAY VALVE C14 0 1uF SCRUBBER CTRL DUMP VALVE RELIEF VALVE R25 5V SCRUBBER HEATER 5V IDC HEADER DCN5874 Fide Sh 701 701H Controller Board 1 0 E Size Number Revision ci C A 06619 B Printed documents are uncontrolled Date 10 11 2010 Sheet 40f 5 File N PCBMGR 06619 4B SchDoc Drawn By RT 1 2 3 4 01671H DCN6051 1 2 3 4 Sen K Tvpe Thermocouple A 6V BASE ADDR 0x90 11 2 C23 C24 22uF 0 1uF 10 AGND B TP5 Normal Operation 300 C CIT AGND Q 3V Output 10mV C 0 1uF U6 OPA340UA ed TEMPERATURE gt c QI IRLLOI4N S AGND DCN5874 Ce 1 701 701H Controller Board SENSORS Size Number Revision SH l A 06619 B Printed documents are uncontrolled DRE 10 11 2010 Sheet Sof 3 File N PCBMGR 06619 5B SchDoc Drawn By RT 1 2 a 4 01671H DCN6051 B 7
6. 1 2 3 4 A TP7 TP8 AN 45V O 7805 SE sa c4 c2 6800uF 16V 0 1uF 1000uF 50V B LT1460KCS3 5 i REC OUT StatusPU a fair C25 nn 100uF 25V TTS VS wen SMDAISLCC LF60ABDT TR y 6V a r popa te V AGND c26 C27 0 1uF 100uF Teledvne API 9480 Carroll Park Drive San Diego CA 92121 a DCNS874 Title 701 701H Controller Board DC POWER Size Number Revision A 06619 B Printed documents are uncontrolled pas horipoio FE File N PCBMGR 06619 2B SchDoc Drawn By RT l 2 3 4 01671H DCN6051 1 2 3 4 5V A 5V amp RA RS A 4 66 pm Y a 47K gt 4 7K SEN TT 10 35 HEADER 7X2 GRN A ANALOG SPARE g Lo 5V Ba Es J10 a c7 R10 Mi Program Port BUS 0 1uF 2M B 5V REF R11 10K c8 c9 c10 0 1uF 0 1uF 0 1uF KS JE 11 x1 1 5V ale 2 4 00 MHz 9 3 T0 c AUX IN 11 C12 12 0 1uF HEATER ON SCL 14 SDA i 8 OPTIONAL AUX INPUT a RI3 10K ni DCNS874 E a alle itle Get 701 701H Controller Board CPU Size Number Revision A 06619 Printed documents are uncontrolled Date 10 11 2010 Sheet 3 of 5 File N PCBMGR 06619 3B SchDoc Drawn By RT 1 2 3 4 01671H DCN6051 B 5 5V 2 2K Bi 5V JIS G 2 DN ki E C13 5 m LE REC OUT i O TP3 DEW_POINT_OUT ADDR 0x4E U3
7. 11 0 mV at 30 While the controller compensates for cold junction temperature in controlling the heater the thermocouple voltage at the terminal block is not compensated so allowance must be made for ambient temperature when converting the voltage to cartridge temperature Pot R3 near the top right corner of the PCB controls the temperature set point turn Pot R3 clockwise to increase the setting LED DS1 blinks when the temperature is at the set point LED DS2 is an alarm and will be ON if the thermocouple is OPEN Pot R4 has no effect in this application 01671H DCN6051 4 1 OPTIONAL HARDWARE and SOFTWARE Teledvne API Model 701 Zero Air Generator CAUTION THE AIR EXITING THE SCRUBBER IS AT 300 C 575 F THIS HOT AIR ENTERS THE COPPER TUBING WHERE IT IS COOLED BEFORE IT ENTERS THE NO SCRUBBER THIS COPPER TUBING AND THE CASING CAN BE VERY HOT The catalyst is proprietary It theoretically should never need changing However it may become contaminated or poisoned over time so we recommend that the scrubber be replaced once per year or sooner 4 3 Carrying Strap Handle OPT 29 The chassis allows the user to attach a strap handle for carrying the instrument The handle is located on the right side and pulls out to accommodate a hand for transport When pushed in the handle is nearly flush with the chassis only protruding out about 9 mm 3 8 Figure 4 1 Carrying Strap Handle and Rack Mount Brackets In
8. CO AND DEW POINT SENSOR OPTIONS 5 3 FIGURE 5 2 M701 PNEUMATIC DIAGRAM WITH CO AND DEW POINT SENSOR OPTIONS 5 4 FIGURE 5 3 INTERNAL CHASSIS LAYOUT PLAN VIEW bo 5 5 FIGURE 5 4 CONTROL BoapnpLavout bene reres teve en a netet ee teve ven n 5 12 FIGURE 6 1 REGENERATIVE DRYER sisi teve ene enen eee teste eee enet ete e teve ene eren itet tetit 6 8 FIGURE 8 1 TRIBOELECTRIC CHAROINO pre et ee teve ve need eres teve en ven n itet es es 8 1 FIGURE 8 2 BASIC ANTI ESD WORK STATION 8 4 LIST OF TABLES FABLE 251 2SPE IFIGATIONS i s s A Ma a ta A A en e sein 2 1 TABLE 6 1 MAINTENANCE SCHEDULE aaa ao aa aa aaa aa oaoooteoeesseaeaoaooooooeosesseeetonooooeoeoeeesenonooooooooeeosenononooooooeoe 6 1 TABLE 8 1 STATIC GENERATION VOLTAGES FOR TYPICAL ACTIVITIES success 8 2 TABLE 8 2 SENSITIVITY OF ELECTRONIC DEVICES TO DAMAGE BY ES 8 2 01671H DCN6051 vii This page intentionally left blank vili 01671H DCN6051 1 INTRODUCTION 1 1 Preface Teledvne API is pleased that you have purchased the Model 701 or M701 Zero Air System The M701 is an excellent source of clean dry air for dilution calibrators It also may be used as a source of purge air for permeation tube ovens or burner air for FID analyzers The regenerative heatless dryer removes water and produces gas with a dewpoint of less than 20 C up to 15 SLPM flow rate independent of the inlet dewpoint and assists in the removal of other gases
9. INTRODUCTION Teledvne API Model 701 Zero Air Generator 1 2 Using This Manual This manual has the following data structures TABLE OF CONTENTS Outlines the contents of the manual in the order the information is presented This is a good overview of the topics covered in the manual There is also a list of tables a list of figures and a list of appendices In the electronic version of the manual clicking on anv of these table entries automaticallv views that section 1 0 INTRODUCTION A brief description of the M701 architecture as well as a description of the layout of the manual and what information is located in its various sections and chapters 2 0 SPECIFICATIONS AND WARRANTV This section contains a list of the monitor s performance specifications a description of the conditions and configuration under which Teledvne API s warrantv statement applies 3 0 GETTING STARTED A concise set of instructions for setting up installing and starting your monitor for the first time This includes unpacking mechanical installation attaching all pneumatic lines attaching all electrical and electronic connections 4 0 OPTIONAL HARDWARE amp SOFTWARE A description of optional equipment to add functionality to your instrument 5 0 OPERATION INSTRUCTIONS Instructions for operating the monitor and using its basic features and functions 6 0 MAINTENANCE Description of certain preventative maintenance procedures that should be regularly perfo
10. by quick release electrical connectors to aid in servicing See schematics in Appendix B 5 10 01671H DCN6051 Teledyne API Model M701 Zero Air Generator OPERATION The M701 Control PCB is microcontroller based and all timing is derived from the AC line It automatically senses the line frequency 50 60 Hz and provides the following functions 1 Cycles the four way valve of the Regenerative Dryer at 2 minute intervals 2 Cycles the water drain solenoid valve at 5 minute intervals 3 Starts and stops the compressor in response to the on board pressure sensor This function includes cycling the Regenerative Dryer four way valve and momentarily opening the water drain solenoid valve before starting the compressor This momentarily reduces the pressure at the compressor outlet to facilitate compressor starting LED DS1 see Figure 5 4 flashes at 1 second intervals as an indication that the controller is functioning and a watchdog timer is enabled to prevent any power line disturbances from halting the processor 01671H DCN6051 5 11 OPERATION Teledvne API Model 701 Zero Air Generator THERMAL COUPLE PUMP VALVE DUMP VALVE cin Ca JUA ER TA o un 010 Teledyne API L JI POWER ON LED ooo ooooooo DS1 CONTROLLER HEATER H C SCRUBBER FAN POWER SWITCH PUMP CIRCUIT BREAKER TRANSFORMER Figure 5 4 Control Board Layout 5 12 01671H DCN6051 6 M
11. on Unplugged power cord Plug in power cord at both ends Incorrect line voltage Refer to Table 3 1 for the correct line voltage Tripped power switch circuit breaker Untrip power switch circuit breaker VDC power supplv failed Replace power supply Compressor does not start after 10 seconds Tank pressure is above the cut out pressure No action Pressure will drop as air is used AIR IN filter is plugged Replace the filter Compressor fan is jammed Check for any mechanical obstruction Pump is not connected to controller Connect the pump to the controller Pressure switch is not connected Connect the pressure switch Pump relay K4 is open Replace the controller Compressor stops and does not restart Pressure in the tank has not subsided to the pressure switch cut in setting No action Wait for the pressure to subside Compressor does not stop when the demand is low less than 5 LPM Internal leak Check for leaks Refer to Section 6 11 Pump has low output pressure Rebuild pump Instrument vibrates excessively Shipping screws have not been completely removed Ensure the screws are completely removed Compressor shock isolator screws are loose Tighten the screws 01671H DCN6051 TROUBLESHOOTING Teledvne API Model 701 Zero Air Generator Problem Probable
12. really are in the grooves and not caught up on the edge 17 Wipe the ends of the columns These are the surfaces which seal against the o rings 6 6 01671H DCN6051 Teledvne API Model 701 Zero Air Generator MAINTENANCE 18 Place the upper manifold on top of the two columns Be sure that the columns are really in the grooves Wiggle the columns sideways You should feel that the columns are trapped in the grooves 19 Replace the nuts and lock washers on the three tie rods BUT DO NOT TIGHTEN THEM 20 Push down hard in the center of the upper manifold with one hand and finger tighten the nuts until vou feel a soft resistance 21 With a wrench tighten each nut in turn 1 2 turn at a time This will ensure that all the nuts are tightened eveniv NOTE If the nuts are tightened uneveniv the column o rings mav not seal and vou may cause damage to the sealing surfaces 22 Examine the fit of the columns in the manifold groove one more time 23 Re attach the 4 wav valve bracket 24 Replace the scrubber in the M701 chassis and tighten the four captive screws 25 Reconnect the two pneumatic fittings and the valve power cord 26 Plug in and turn on the M701 27 Using soap solution check the scrubber for leaks If no leaks are detected the M701 is ready for operation 01671H DCN6051 6 7 Teledvne API Model 701 Zero Air Generator MAINTENANCE GIOJINVW OMC v U NJ co ANIWA FIL
13. short as possible to minimize pressure drops 4 POWER Connect the power cord to the proper power source At 115 VAC 60 Hz the M701 draws 3 5 Amps At 230 VAC 50 Hz the M701 draws 2 0 Amps WARNING Be sure that the power cord is properlv grounded 5 COOLING FAN The rear panel cooling fan draws air IN and requires at least 6 150 mm of clearance for proper operation 01671H DCN6051 Teledyne API Model 701 Zero Air Generator Teledyne API Model M701 Zero Air Generator GETTING STARTED 3 5 Power Up Turn on the front panel POWER SWITCH SeeFigure 3 2 The front panel power indicator should light The cooling fan should start immediately The compressor should start after a few seconds delay The delay is to allow the control board to measure the local line frequency 5 After 30 to 60 seconds the front panel pressure gauge should read 30 psig KE NN A The Model 701 is now producing clean dry air If the M701 has been unused for several days it may take 30 60 minutes to achieve final purity and dryness It is recommended that the procedure for extended disuse be followed Section 3 6 Shut Down Storage and Transportation 3 6 Shut Down Storage and Transportation Remember that the M701 supplies air on demand If the application is not requiring zero air the compressor will increase the pressure in the storage tank until the cut out pressure is reached and the pressure sensor s
14. the NO scrubber where NO is oxidized to NO then the activated charcoal scrubber where the NO is absorbed Then the optional CO scrubber where CO is catalytically oxidized to CO Finally the clean dry air passes through a fine particulate filter and leaves the M701 through the rear panel bulkhead union Zero Air Out 01671H DCN6051 5 1 OPERATION Teledvne API Model 701 Zero Air Generator When air usage is high say 5 20 LPM the compressor may run continuously When air usage is low the pressure switch turns the compressor off until the storage tank pressure drops to 35 psig and then turns the compressor on again THERE IS NO NEED TO TURN OFF THE M701 WHEN AIR USAGE IS LOW 5 2 01671H DCN6051 Teledvne API Model M701 Zero Air Generator OPERATION Options Ee GAUGE PRESSURE CHECK FRONT PANEL VALVE d REGULATOR Z REGENERATIVE DRYER SCRUBBERS Q Z Ge gt i A V o Z i 2 CO CO2 x Stainless Fitting FILTER with SPECIAL ORING a a EH x ZERO AIR OUT 30 SLPM 30 psi PER ER PES SES e RE ER a a 0 6 1 LPM 35 45 psi DEWPOINT i SENSOR P O Control PCA T PRESSURE SENSOR WATER TRAP COOLER PUMP Se FS A Mi O FILTER S e AIR IN EN DRAIN RELIEF VALVE VALVE DRAIN Figure 5 1 M701 Pneumatic Diagram with HC CO and Dew Point Sensor Options 01671H DCN6051 5 3 OPERATION Teledvne API Model 701 Zero Air Ge
15. the drier cycles or water drain valve from reaching the output port on the rear panel The air in the tank has been dried so there is no need for a tank drain and no concern about internal corrosion The tank is a commercial gas storage cylinder rated at 1800 psi and is not modified or altered in any way that can harm its integrity 5 10 Pressure Sensor The PCA mounted pressure sensor senses the pressure in the storage tank It is set at the factory to turn off cut out the compressor at 75 80 psig and to turn the compressor on cut in at 40 45 psig The pressure sensor controls the compressor through the control board 5 11 Pressure Regulator The Model 700 calibrator requires that its air source be stable and not subject to compressor induced pressure surges or pressure variations with flow The pressure regulator serves this function It is set except for specially modified units at 30 psig at the factory Should adjustment be desired the regulator is accessible on the front panel The adjustment knob has a push pull locking ring which should be reengaged after making an adjustment to prevent the knob from turning under vibration When used with the Teledyne API Model 700 Calibrator the pressure should be between 28 and 32 psig WARNING The M701 nominal delivery pressure is 30 psig Only specially modified units will require that the delivery pressure be set higher On these specially modified units never set the delivery
16. 11 Replace the pad on top of the charcoal 12 Wipe any charcoal dust from the top edge of the canister This is the surface which seals against the washer 13 Check that the washer is in place in the cap 14 Replace the cap and tighten it hand tight 15 Reconnect the lower 1 4 tube connection 16 Replace the canister and attach using the Velcro strap 17 Replace the upper 1 4 tube connection 18 After the compressor is turned on it mav be wise to check the scrubber for leaks using a commercial soap solution leak finder 6 5 Replacing The NO NO Scrubber This procedure is identical to the charcoal scrubber replacement procedure except that the canister should be refilled with Purafil Note After replacing the material in these scrubbers it can take up to 48 hours for the material to dry out before the MM701 is functioning optimally 01671H DCN6051 6 3 MAINTENANCE Teledvne API Model 701 Zero Air Generator 6 6 Replacing The CO CO Scrubber 1 2 Turn off power and unplug the M701 Disconnect the CO CO scrubber at the Controller 3 Lift out the scrubber by removing the two screws under the chassis and the two ON O Om A pneumatic fittings CAUTION The scrubber will be hot Allow the scrubber to cool Lift the cartridge from the white insulator by removing the two screws underneath With a 9 16 wrench remove the two unions from the top of the scrubber cartridge Pick out
17. 4 Remove the dryer from the chassis by undoing the four captive screws in the scrubber base 5 Remove the 4 way valve bracket from the upper manifold and let the valve hang loose attached to the lower manifold Remove the three nuts on top of the upper manifold Remove the upper manifold Remove the two columns e DU Oo Remove the retainer pads from the two columns and dump the molecular sieve into a suitable waste receptacle The molecular sieve is not toxic but it may be dusty so you may want to wear a mask 10 Wipe out the inside of the columns with a clean dry rag 11 Examine the surface and ports in the upper and lower manifolds If there is an accumulation of dirt or corrosion disassemble the manifolds and clean them If not proceed with step 12 12 Place one HW0000376 washer and then two new clean retainer pads in one end of each column Push the pads 1 8 into the column 13 Pour new clean molecular sieve into each column up to 1 4 from the top Rap the side gently with a screw driver handle or similar to settle the molecular sieve and then top up to the 1 4 mark again 14 Place one HW0000376 washer and then one new clean retainer pad on top of the molecular sieve Push the pad 1 8 into the column 15 Change the four o rings in the circular grooves in the upper and lower manifolds 16 Place the bottom of the columns with two pads in the circular grooves in the lower manifold Be sure that they
18. 75 Replaced controller with new e Updated hydrocarbon scrubber content e Added Section on Electro static Discharge List Spare Parts 02052 M 5895 Updated List RSSL 06172 C 15895 Updated Level Spares Kit 06477 B 15895 Updated Schematic Controller Board 06619 B 5874 New replaces 04285 The following list captures the construct of this manual with its initial Revision History section 2010 January 20 Rev F per DCN 5630 Document P N Rev DCN Change Summary Schematic Controller w DewPt 104285 C n a current Rev for manual s initial release List Spare Parts 02052 L n a current Rev for this manual s initial release List RSSL 06172 B n a current Rev for this manual s initial release Level 1 Spares Kit OG477 A nis current Rev for this manual s initial release Expendables Kit 01598 A nis current Rev for this manual s initial release li 01671H DCN6051 SAFETV MESSAGES Important safetv messages are provided throughout this manual for the purpose of avoiding personal injury or instrument damage Please read these messages carefully Each safety message is associated with a safety alert symbol and are placed throughout this manual and inside the instrument The symbols with messages are defined as follows A WARNING Electrical Shock Hazard HAZARD Strong oxidizer GENERAL WARNING CAUTION Read the accompanying message for specific informatio
19. AINTENANCE 6 1 Schedule NOTE The operations outlined in this section are to be performed bv qualified maintenance personnel oniv Before performing anv maintenance cvcle the power on off and drain anv water that may be present refer to instructions for Shut Down Storage and Transportation in Section 3 6 Table 6 1 presents the maintenance schedule Table 6 1 Maintenance Schedule Date Instrument Was Received EE ema f O O OS O O O O RE ew Sep O O O O O O O O AE O OS O CT HC When Scrubber contaminated Co When Scrubber contaminated Regen When Drier contaminated Particulate Annually or as Filter on needed Rear 6 2 Cleaning 1 Occasionally depending upon the local conditions check the inside of the M701 for excessive dirt or dust 2 Particularly check the cooling fan cooling coil and compressor fan inlet 01671H DCN6051 6 1 MAINTENANCE Teledvne API Model 701 Zero Air Generator 3 Remove anv dirt or dust with a vacuum cleaner Do not use an air jet This will only redistribute the dirt and will not remove it WARNING There are high voltages present while the M701 is plugged in 6 3 Checking The Tubing 1 Under the vibration of the compressor it is possible for some parts of the TFE tubing to abrade against nearbv objects This is most likelv to occur with the tubing directiv attached to the compressor 2 Check to see if anv signs of abrasion are present and if so re dress the tub
20. Cause Corrective Action Screws securing the Tighten the screws compressor to the base plate Instrument vibrates are loose excessivelv continued The tubing attached to the Adjust the placement of the compressor is vibrating tubing against a component Pressure does not increase to 30 psig Air demand to too high No action Pressure will Maximum air flow is 30 SLPM drop as air is used Check for impediment and Air Inlet impeded remove object Pressure regulator is set too Adjust the pressure on the low front panel Aksion Check for leaks Refer to ge Section 6 11 Output pressure surges Pressure regulator is set too Please see Note at end of this high and pegged table Output air is not Zero Scrubbers may be Replace the scrubbers contaminated Output air is not dry Check to ensure the valve is plugged in replace the valve 4 way valve is jammed only one column is being used Replace the upper manifold Shuttle valve is jammed assembiv Molecular sieve is Replace the molecular contaminated sieve Note WARNING THE M701 NOMINAL DELIVERV PRESSURE IS 30 PSIG SOME APPLICATIONS MAY REQUIRE THAT THE DELIVERV PRESSURE BE SET AS HIGH AS 50 PSIG NEVER SET THE DELIVERV PRESSURE HIGHER THAN 50 PSIG TO DO SO MAY CAUSE DAMAGE TO THE M701 AND INJURY TO THE OPERATOR 7 2 01671H DCN6051 8 A PRIMER ON ELECTRO STATIC DISCHARGE Tel
21. ISSNHOS NOAVIOUAAH 5 5 PRESSURE REGULATOR iew CO SCRUBBER PART OF HC SCRUBBER OPTION Internal Chassis Layout Plan V Figure 5 3 USED VVITHOUT AN HC SCRUBBER CO SCRUBBER OPTION Ki 01671H DCN6051 OPERATION Teledvne API Model 701 Zero Air Generator 5 2 Compressor The compressor is a single cvlinder oscillating piston tvpe driven bv a split capacitor AC motor The compressor is drv that is there are no lubricants which can contaminate the compressed air The pistons are sealed bv flexible TFE piston rings and after a short run in period to seat the rings should last for vears There are no diaphragms The compressor is mounted on a sub plate which is supported on four tuned vibration isolators During shipment the sub plated is bolted firmly to the chassis CAUTION AN Be sure that vou have removed the shipping screws before vou start the M701 5 3 Cooling Coil The cooling coil consists of several turns of copper tubing coiled to form a cvlinder through which the cooling fan blows outside air 5 4 Water Trap The water trap is a coalescing type Supersaturated air enters the trap and is rapidly swirled causing the water droplets to deposit on a membrane where the drops coalesce and gather in a puddle at the bottom of the filter bowl 5 5 Water Drain Valve Accumulated water is drained from the filter through a stainless steel solenoid operated valve The valve is seq
22. LAKS NI LANE HLIM GIOHINVA Haddh VE SN NTOI dala INIVA FILLNHS O RINGS 4 FILTER PADS 8 V V NOILOAS MOLECULAR SIEVE LE NI HIV SM3449S JALLAVO Y HLIM 31V1d asva Figure 6 1 Regenerative Dryer 01671H DCN6051 6 8 Teledvne API Model 701 Zero Air Generator MAINTENANCE 6 9 Changing The 4 Wav Valve in the Regenerative Drver 1 Remove the Regenerative Drver from the chassis as described in 5 9 above 2 Disconnect the two tubing connections and the electrical connection to the 4 way CON DO P valve Remove the 4 way valve bracket from the regenerative upper manifold Remove the 4 way valve from the bracket Attach a new valve complete with tube fittings and muffler s Attach the bracket to the upper manifold Connect the electric cable and two pneumatic fittings Re install the scrubber in the M701 chassis and tighten the four captive base screws 6 10 Replacing The Shuttle Valve in the Regenerative Drver It is not necessary to remove the Regenerative Dryer from the M701 chassis The Shuttle Valve is integral to the upper manifold assembly To replace the Shuttle Valve replace the upper manifold assembly Part 03423 See steps 1 2 3 5 6 7 and 18 through 23 in Section 6 8 Servicing The Regenerative Dryer 6 11Leak Check WARNING
23. MAN TELEDVNE ADVANCED POLLUTION INSTRUMENTATION A Teledyne Technologies Company OPERATION MANUAL MODEL 701 ZERO AIR GENERATOR TELEDYNE ADVANCED POLLUTION INSTRUMENTATION DIVISION TAPI 9480 CARROLL PARK DRIVE SAN DIEGO CA 92121 5201 TOLL FREE 800 324 5190 FAX 858 657 9816 TEL 858 657 9800 E MAIL api sales teledyne com WEB SITE www teledyne api com 01671H DCN6051 Copyright 2007 2011 Teledyne Advanced Pollution Instrumentation 08 April 2011 ABOUT THIS MANUAL This M701 Zero Air Generator operation manual is comprised of multiple documents as listed below Part No Rev Name Description 01671 H Operation Manual 02052 M List Spare Parts in Appendix A with Sales for most recent version 06172 C List Recommended Spares Stocking Levels RSSL in Appendix A 06477 B Levell Spares Kit in Appendix A 06619 B Schematic Controller Board in Appendix B NOTE We recommend that this manual be read in its entiretv before anv attempt is made to operate the instrument 01671H DCN6051 REVISION HISTORV M701 Manual 01671 2011 April 8 Rev H per DCN 6051 Document P N Rev DCN Change Summary Operation Manual 01671 H 6051 e Correct name in title from Module to Generator 2010 November 5 Rev G per DCN 5875 Document P N Rev DCN Change Summary e Replaced pressure switch with pressure sensor Operation Manual 01671 G 158
24. OT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR RELATED TO THIS AGREEMENT OF TELEDYNE API S PERFORMANCE HEREUNDER WHETHER FOR BREACH OF WARRANTY OR OTHERWISE TERMS AND CONDITIONS All units or components returned to Teledyne API should be properly packed for handling and returned freight prepaid to the nearest designated Service Center After the repair the equipment will be returned freight prepaid CAUTION Avoid Warranty Invalidation Failure to comply with proper anti Electro Static Discharge ESD handling and packing instructions and Return Merchandise Authorization RMA procedures when returning parts for repair or calibration may void your warranty For anti ESD handling and packing instructions please refer to Packing Components for Return to Teledyne API s Customer Service in the Primer on Electro Static Discharge section of this manual and for RMA procedures please refer to our Website at http www teledyne api com under Customer Support 7 Return Authorization 2 2 01671H DCN6051 3 GETTING STARTED 3 1 Unpacking CAUTION A To avoid personal injury always use two persons to lift and carry the Model 701 Verify that there is no shipping damage If there are signs of damage immediately advise the shipper then Teledvne API Remove the M701 from its shipping carton Remove the cover and check for damage inside Remove the four red shipping screws holding the compress
25. a kk eee eee nrnna ennen sea 5 7 5 7 REGENERATIVE DRYER age kite fason vie REESEN 5 7 5 6 GHECK VALVE cdi Sek es 88 A da E i P E a TEK ge ke P E d TE e Fi Ein de 5 7 5 9 STORAGE TANK 5 8 5 10 PRESSURE SENSOR aa 5 8 01671H DCN6051 511 PRESSURE REG AT OR i si radi a sab ndi sw o reb kid cede EEN di d te e 5 8 DOUA PRESSURE E NEE 5 9 5 13 HYDROCARBON SCRUBBER OPTION 5 9 5 14 CO SCRUBBER OPTION een AU ne Re a 5 10 515 NO SCRUBBER 20018 A a 5 10 5 16 CHARCOAL TTT 5 10 Sa lf RINA ET R ANT 5 10 STE CONTROLLER ae ptit to pik di Na 5 10 6 MAINTENANCE iaa CS ne a e lianas 6 1 Leet Te TEE 6 1 GA CLEANING on A pa fit ai da eas a ara da st 6 1 6 3 CHECKING THE TUBING 00202204 A a LA E A A EA IA 6 2 6 4 REPLACING THE CHARCOAL SCRUBBER aaa aaa aaa aaa nana ana ana enen enen eee tee e ninrin tennin e eee ekber 6 3 6 5 REPLACING THE NO NO5 SCRUBBER aa aaa aaa aaa aa aaa ana nana nn dek ese teke ee ee ee ee eee ke nete eeeeesete 6 3 6 6 REPLACING THE CO CO gt SCRUBBER aaa aaa aaa aaa nane nane nn rr rr eee ee eee tere even eee vereni 6 4 6 7 REPLACING THE HC SCRUBBER aa aaa aaa ear eee ere tete sete pete tete sete n eee teresi 6 5 6 8 SERVICING THE REGENERATIVE DER 6 6 6 9 CHANGING THE 4 WAY VALVE IN THE REGENERATIVE DRYER 6 9 6 10 REPLACING THE SHUTTLE VALVE IN THE REGENERATIVE DRYER 6 9 6 1 LEAK CHECK
26. an associated field effect that can discharge through or be induced upon items up to a foot away 8 5 Basic anti ESD Procedures for Analyzer Repair and Maintenance 8 5 1 Working at the Instrument Rack When working on the analyzer while it is in the instrument rack and plugged into a properly grounded power supply 1 Attach your anti ESD wrist strap to ground before doing anything else 01671H DCN6051 8 5 A Primer on Electro Static Discharge Teledvne API Model 701 Zero Air Generator e Use a wrist strap terminated with an alligator clip and attach it to a bare metal portion of the instrument chassis This will safelv connect vou to the same ground level to which the instrument and all of its components are connected 2 Pause for a second or two to allow anv static charges to bleed awav 3 Open the casing of the analvzer and begin work Up to this point the closed metal casing of vour analvzer has isolated the components and assemblies inside from anv conducted or induced static charges 4 If you must remove a component from the instrument do not lay it down on a non ESD preventative surface where static charges may lie in wait 5 Only disconnect your wrist strap after you have finished work and closed the case of the analyzer 8 5 2 Working at an Anti ESD Work Bench When working on an instrument of an electronic assembly while it is resting on an anti ESD work bench 1 Plug your anti ESD wrist strap into the g
27. cinco wien selon ln Jobe aoe ne nfa nan nt ka nani 6 9 6 12 PARTICULATE FILTER ELEMENT REPLACEMEN Tissot 6 10 7 TROUBLESHOOTING ian ai kd Lon da uk cd ah aid T 1 8 A PRIMER ON ELECTRO STATIC DISCHARGE aaa una una nene ena rena 8 1 8 1 HOW STATIC CHARGES ARE CREATED aaa aaa aaa aaa aaa nane eee eee eee re ee eee e eee rete re eee eee eee teke eee 8 1 8 2 HOW ELECTRO STATIC CHARGES CAUSE DAMAGE aa aaa aaa aa anen ana nana enen en aee es ee eee eee eee ee ee eeeeete 8 2 8 3 COMMON MYTHS ABOUT ESD DAMAGE contada 8 3 8 4 BASIC PRINCIPLES OF STATIC CONTROL aaa aaa aa nana ana nana enen idene kene eee eee et eter eee ee ee eee eee eee rete 8 4 8 4 1 G neral RUleS sis ie t dh ss 8 4 8 5 BASIC ANTI ESD PROCEDURES FOR ANALYZER REPAIR AND MAINTENANCE 8 5 8 5 1 Working at the Instrument Rack AAA 8 5 8 5 2 Working at an Anti ESD Work Bench 8 6 8 5 3 Transferring Components from Rack to Bench and Back 8 6 8 5 4 Opening Shipments from Teledyne API s Customer Service 8 7 8 5 5 Packing Components for Return to Teledyne API s Customer Service 8 8 APPENDIX A Spare Parts A 1 APPENDIX B Schematics B 1 vi 01671H DCN6051 LIST OF FIGURES FIGURE 3 1 DIMENSION S mi ei i a A dE 3 2 FIGURE 3 2 FRONT E 3 3 FIGURE 353 REAR BANE iis ia e a a as 3 3 FIGURE 4 1 CARRYING STRAP HANDLE AND RACK MOUNT BRACKET 4 2 FIGURE 5 1 M701 PNEUMATIC DIAGRAM WITH HC
28. ctor that is not grounded the resulting positive or negative charge cannot bleed off and becomes trapped in place or static The most common example of triboelectric charging happens when someone wearing leather or rubber soled shoes walks across a nylon carpet or linoleum tiled floor With each step electrons change places and the resulting electro static charge builds up quickly reaching significant levels Pushing an epoxy printed circuit board across a workbench using a plastic handled screwdriver or even the constant jostling of Stvrofoam M pellets during shipment can also build hefty static charges 01671H DCN6051 8 1 A Primer on Electro Static Discharge Teledvne API Model 701 Zero Air Generator Table 8 1 Static Generation Voltages for Tvpical Activities MEANS OF GENERATION 65 90 RH 10 25 RH Walking across nylon carpet 1 500V 35 000V Walking across vinyl tile 250V 12 000V Worker at bench 100V 6 000V Poly bag picked up from bench 1 200V 20 000V Moving around in a chair padded 1 500V 18 000V with urethane foam 8 2 How Electro Static Charges Cause Damage Damage to components occurs when these static charges come into contact with an electronic device Current flows as the charge moves along the conductive circuitrv of the device and the tvpicallv verv high voltage levels of the charge overheat the delicate traces of the integrated circuits melting them or even vaporizing parts of them When examined by microscope t
29. e device to fail immediately More likely the trace will be only partially occluded by the damage causing degraded performance of the device or worse weakening the trace This weakened circuit may seem to function fine for a short time but even the very low voltage and current levels of the device s normal operating levels will eat away at the defect over time causing the device to fail well before its designed lifetime is reached These latent failures are often the most costly since the failure of the equipment in which the damaged device is installed causes down time lost data lost productivity as well as possible failure and damage to other pieces of equipment or property e Static Charges can t build up on a conductive surface There are two errors in this statement Conductive devices can build static charges if they are not grounded The charge will be equalized across the entire device but without access to earth ground they are still trapped and can still build to high enough levels to cause damage when they are discharged 01671H DCN6051 8 3 A Primer on Electro Static Discharge Teledvne API Model 701 Zero Air Generator A charge can be induced onto the conductive surface and or discharge triggered in the presence of a charged field such as a large static charge clinging to the surface of a nvlon jacket of someone walking up to a workbench e As long as my analyzer is properly installed it is safe from damage caused b
30. edvne API considers the prevention of damage caused by the discharge of static electricitv to be extremelv important part of making sure that vour analvzer continues to provide reliable service for a long time This section describes how static electricitv occurs why itis so dangerous to electronic components and assemblies as well as how to prevent that damage from occurring 8 1 How Static Charges are Created Modern electronic devices such as the tvpes used in the various electronic assemblies of vour analvzer are verv small require verv little power and operate verv quickiv Unfortunatelv the same characteristics that allow them to do these things also make them verv susceptible to damage from the discharge of static electricitv Controlling electrostatic discharge begins with understanding how electro static charges occur in the first place Static electricitv is the result of something called triboelectric charging which happens whenever the atoms of the surface lavers of two materials rub against each other As the atoms of the two surfaces move together and separate some electrons from one surface are retained bv the other Materials Makes Contact Materials Separate PROTONS 3 PROTONS 2 3 E Gieli a E PROTONS 3 ELECTRONS 3 ELECTRONS 3 G ka ELECTRONS 74 NET CHARGE 0 NET CHARGE 0 NET CHARGE 1 NET CHARGE 1 Figure 8 1 Triboelectric Charging If one of the surfaces is a poor conductor or even a good condu
31. es but is not limited to plastic bubble pack Stvrofoam peanuts open cell foam closed cell foam and adhesive tape e DO NOT use standard adhesive tape as a sealer Use ONLY anti ESD tape 1 Open the outer shipping box away from the anti ESD work area 2 Carry the still sealed ant ESD bag tube or bin to the anti ESD work area 3 Follow steps 6 and 7 of Section 8 5 3 above when opening the anti ESD container at the work station 4 Reserve the anti ESD container or bag to use when packing electronic components or assemblies to be returned to Teledyne API 1 Never carry the component or assembly without placing it in an anti ESD bag or bin 2 Before using the bag or container allow any surface charges on it to dissipate e If you are at the instrument rack hold the bag in one hand while your wrist strap is connected to a ground point e If you are at an anti ESD workbench lay the container on the conductive work surface e In either case wait several seconds 3 Place the item in the container 4 Seal the container If using a bag fold the end over and fastening it with anti ESD tape e Folding the open end over isolates the component s inside from the effects of static fields e Leaving the bag open or simply stapling it shut without folding it closed prevents the bag from forming a complete protective envelope around the device NOTE If you do not already have an adequate supply of anti ESD bags
32. fied by measuring the thermocouple voltage at J12 the terminal block at the edge of the board nearest the Hydrocarbon Scrubber The positive pin is clearly marked At 300 C the thermocouple voltage is 11 2 mV in an ambient temperature of 25 C 11 4 mV at 20 and 11 0 mV at 30 While the controller compensates for cold junction temperature in controlling the heater the thermocouple voltage at the terminal block is not compensated so allowance must be made for ambient temperature when converting the voltage to cartridge temperature Pot R3 near the top right corner of the PCB controls the temperature set point Clockwise to increase LED DS1 blinks when the temperature is at the set point LED DS2 is an alarm and will be ON if the thermocouple is OPEN Pot R4 has no effect in this application CAUTION AN The air exiting the scrubber is at 300 C 575 F This hot air is cooled in the copper tubing before it enters the NO scrubber This coil and the casing can be very hot The catalyst is proprietary It theoretically should never need changing However it may become contaminated or poisoned over time so we recommend that the scrubber be replaced once per year or sooner 01671H DCN6051 5 9 OPERATION Teledvne API Model 701 Zero Air Generator 5 14 CO Scrubber option The CO scrubber catalytically oxidizes CO to CO The catalyst is proprietary and operates at room temperature however it is heated to approximatelv 70
33. greatly increasing the life of the chemical scrubbers The basic M701 includes an oil and diaphragm free pump plus scrubbers to remove SO NO NO Oz and H2S Optional high performance scrubbers are available to remove CO and Hydrocarbons Inlet air is pulled into the pump and routed through a pre cooler and water trap to remove moisture The air then passes through the Regenerative Dryer for final drying and then to the storage tank Tank pressure is monitored and maintained at a preset level by cycling the pump automatically as needed thereby extending both the pump and scrubber life Outlet air then passes through a filter to assure a clean dry analytical zero air supply A microcontroller cycles the regenerative dryer and water trap valves to prevent the pump from starting against full head pressure The M701 is an ideal accessory to the Model 700E Mass Flow Calibrator or Model 702 Single Point Calibrator as a zero air source for analyzers M701 Features e Standard two year warranty e Regenerative heatless dryer for maintenance free water removal independent of inlet dewpoint e Long life scrubbers for SO NO NOz Oz and H2S e Optional CO or CO and Hydrocarbon scrubber e Automatic water drain e Automatic pump control based on flow demand e May be used to provide combustion air for FID with HC Scrubber option e Source of purge air for permeation tube ovens e Zero air for Ozone Generators 01671H DCN6051 1 1
34. he damage caused by electro static discharge looks a lot like tiny bomb craters littered across the landscape of the component s circuitry A quick comparison of the values in Table 8 1 with the those shown in Table 8 2 listing device susceptibility levels shows why Semiconductor Reliability News estimates that approximately 60 of device failures are the result of damage due to electro static discharge Table 8 2 Sensitivity of Electronic Devices to Damage by ESD DEVICE DAMAGE SUSCEPTIBILITY VOLTAGE RANGE DAMAGE BEGINS CATASTROPHIC OCCURRING AT DAMAGE AT MOSFET 10 100 VMOS 30 1800 NMOS 60 100 GaAsFET 60 2000 EPROM 100 100 JFET 140 7000 SAW 150 500 Op AMP 190 2500 CMOS 200 3000 Schottkv Diodes 300 2500 Film Resistors 300 3000 This Film Resistors 300 7000 ECL 500 500 SCR 500 1000 Schottkv TTL 500 2500 8 2 01671H DCN6051 Teledvne API Model 701 Zero Air Generator A Primer on Electro Static Discharge Potentiallv damaging electro static discharges can occur e Anv time a charged surface including the human bodv discharges to a device Even simple contact of a finger to the leads of a sensitive device or assemblv can allow enough discharge to cause damage A similar discharge can occur from a charged conductive object such as a metallic tool or fixture e When static charges accumulated on a sensitive device discharges from the dev
35. ice to another surface such as packaging materials work surfaces machine surfaces or other device In some cases charged device discharges can be the most destructive A tvpical example of this is the simple act of installing an electronic assembiv into the connector or wiring harness of the equipment in which it is to function If the assemblv is carrving a static charge as it is connected to ground a discharge will occur e Whenever a sensitive device is moved into the field of an existing electro static field a charge may be induced on the device in effect discharging the field onto the device If the device is then momentarilv grounded while within the electrostatic field or removed from the region of the electrostatic field and grounded somewhere else a second discharge will occur as the charge is transferred from the device to ground 8 3 Common Mvths About ESD Damage el didn t feel a shock so there was no electro static discharge The human nervous system isn t able to feel a static discharge of less than 3500 volts Most devices are damaged by discharge levels much lower than that e didn t touch it so there was no electro static discharge Electro static charges are fields whose lines of force can extend several inches or sometimes even feet away from the surface bearing the charge e It still works so there was no damage Sometimes the damaged caused by electro static discharge can completely sever a circuit trace causing th
36. ignals the control PCA to turn off the compressor The pressure in the storage tank will slowlv subside as air is used bv the Regenerative Drver until the cut in pressure is reached and the pressure sensor signals the control PCA to turn the compressor on again Standing H20 will cause corrosion so if the M701 is to be out of use for an extended period or if it will be transported the following procedure is recommended Turn OFF the M701 Wait approximately 1 minute Turn the M701 ON and vent any accumulated water through the water drain Turn the M701 OFF SI This procedure vvill vent any vvater that has accumulated in the coalescing filter vvhich not only helps to avoid corrosion but also prevents that vvater from passing into the M701 in the event that the instrument is inverted during storage or transportation 01671H DCN6051 3 5 GETTING STARTED Teledyne API Model 701 Zero Air Generator This page intentionallv left blank 3 6 01671H DCN6051 4 OPTIONAL HARDWARE AND SOFTWARE This section includes descriptions of the hardware and software options available for the M701 instrument For assistance with ordering these options please contact the sales department of Teledvne API at TOLL FREE 800 324 5190 TEL 1 858 657 9800 FAX 1 858 657 9816 E MAIL apisalesQteledyne com WEB SITE http www teledyne api com 4 1 CO Scrubber OPT 1B The CO scrubber catalytically oxidizes CO to CO The catal
37. ing 3 If any section of tubing appears to be heavily abraded remove and replace it CAUTION Do not loosen any tubing connection while the M701 is running CAUTION Before working on the M701 plumbing turn off the M701 wait for the pressure gauge to read zero This mav require that vou loosen the rear panel bulkhead union to allow the air to bleed awav gt gt WARNING Even though the front panel power switch is off there is line voltage present at the power entry terminals power switch terminals and on the control board For added safety remove the power cord from the rear panel receptacle gt 6 2 01671H DCN6051 Teledvne API Model 701 Zero Air Generator MAINTENANCE 6 4 Replacing The Charcoal Scrubber Turn off the M701 and wait for the pressure to go to zero Open the front panel or remove the top cover Remove the 1 4 tubing connected to the top of the scrubber canister Undo the Velcro strap freeing the cannister Remove the 1 4 tubing connected to the bottom of the canister Unscrew the cap of the canister Pull out the pad from the top of the canister Pour out the charcoal and dispose of it properly OM NAAR ww ND There may be a little dust as you pour the charcoal out so you may want to wear a dust mask 10 Refill the canister with fresh charcoal up to 3 8 to 1 4 from the top Rap the sides of the canister gentiv to settle the charcoal and add more as necessary
38. intenance and the first level of field troubleshooting are to be performed by the customer NON TELEDYNE API MANUFACTURED EQUIPMENT Equipment provided but not manufactured by Teledyne API is warranted and will be repaired to the extent and according to the current terms and conditions of the respective equipment manufacturer s warranty GENERAL During the warranty period T API warrants each Product manufactured by T API to be free from defects in material and workmanship under normal use and service Expendable parts are excluded If a Product fails to conform to its specifications within the warranty period Teledyne API shall correct such defect by at Teledvne API s discretion repairing or replacing such defective Product or refunding the purchase price of such Product The warranties set forth in this section shall be of no force or effect with respect to any Product i that has been altered or subjected to misuse negligence or accident or ii that has been used in any manner other than in accordance with the instruction provided by Teledyne API or iii not properly maintained THE WARRANTIES SET FORTH IN THIS SECTION AND THE REMEDIES THEREFORE ARE EXCLUSIVE AND IN LIEU OF ANY IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR PARTICULAR PURPOSE OR OTHER WARRANTY OF QUALITY WHETHER EXPRESSED OR IMPLIED THE REMEDIES SET FORTH IN THIS SECTION ARE THE EXCLUSIVE REMEDIES FOR BREACH OF ANY WARRANTY CONTAINED HEREIN TELEDYNE API SHALL N
39. l et l int rieur des instruments Les symboles correspondent aux consignes suivantes AVERTISSEMENT Risque de choc lectrique DANGER Oxydant puissant AVERTISSEMENT G N RAL MISE EN GARDE Lire la consigne compl mentaire pour des renseignements sp cifiques MISE EN GARDE Surface chaude Ne pas toucher Toucher certaines parties de l instrument sans protection ou sans les outils appropri s pourrait entra ner des dommages aux pi ces ou l instrument Pictogramme technicien Toutes les op rations portant ce symbole doivent tre effectu es uniquement par du personnel de maintenance qualifi Mise la terre Ce symbole l int rieur de l instrument d termine le point central de la mise la terre s curitaire de instrument MISE EN GARDE Cet instrument doit tre utilis aux fins d crites et de la mani re d crite dans ce manuel Si vous utilisez cet instrument d une autre mani re que celle pour laquelle il a t pr vu l instrument pourrait se comporter de fa on impr visible et entra ner des cons quences dangereuses gt G6GPabbPbP NE JAMAIS utiliser un analyseur de gaz pour chantillonner des gaz combustibles 01671H DCN6051 TABLE OF CONTENTS TABLE OF CONTENTS a EEN V LIST OF FIGURES sessed ewes VII LIST OF TABLES ee a VII INTRODUCTION EE 1 1 NNN Ge 1 1 1 2 0 SING THISIMANUAL sa soti ira artis a 1 2 2 SPECIFICATIONS AND WARRANTY ln nena nese ses eses se
40. llow the instructions listed above for working at the instrument rack and workstation 8 6 01671H DCN6051 Teledvne API Model 701 Zero Air Generator A Primer on Electro Static Discharge 2 Never carry the component or assembiv without placing it in an anti ESD bag or bin 3 Before using the bag or container allow anv surface charges on it to dissipate elf you are at the instrument rack hold the bag in one hand while your wrist strap is connected to a ground point e If you are at an anti ESD workbench lay the container on the conductive work surface e In either case wait several seconds 4 Place the item in the container 5 Seal the container If using a bag fold the end over and fastening it with anti ESD tape e Folding the open end over isolates the component s inside from the effects of static fields e Leaving the bag open or simply stapling it shut without folding it closed prevents the bag from forming a complete protective envelope around the device 6 Once vou have arrived at vour destination allow anv surface charges that mav have built up on the bag or bin during travel to dissipate e Connect your wrist strap to ground elf you are at the instrument rack hold the bag in one hand while your wrist strap is connected to a ground point e f you are ata anti ESD work bench lay the container on the conductive work surface e In either case wait several seconds 7 Open the container 8 5 4 Opening Shipment
41. n CAUTION Hot Surface Warning Do Not Touch Touching some parts of the instrument without protection or proper tools could result in damage to the part s and or the instrument Technician Symbol All operations marked with this symbol are to be performed by qualified maintenance personnel only Electrical Ground This symbol inside the instrument marks the central safety grounding point for the instrument CAUTION This instrument should only be used for the purpose and in the manner described in this manual If you use this instrument in a manner other than that for which it was intended unpredictable behavior could ensue with possible hazardous consequences NEVER use any gas analyzer to sample combustible gas es Note For Technical Assistance regarding the use and maintenance of this instrument or any other Teledvne API product contact Teledyne API s Customer Service Department Telephone 800 324 5190 Email api customerservice teledyne com or access anv of the service options on our website at http www teledvne api com 01671H DCN6051 lii CONSIGNES DE SECURITE Des consignes de s curit importantes sont fournies tout au long du present manuel dans le but d viter des blessures corporelles ou d endommager les instruments Veuillez lire attentivement ces consignes Chaque consigne de s curit est repr sent e par un pictogramme d alerte de s curit ces pictogrammes se retrouvent dans ce manue
42. nerator AN RELIEF VALVE messes WATER TRAP U DRAIN REGENERATIVE DRVER SCRUBBERS DRAIN VALVE A GAUGE PRESSURE FRONT PANEL CHARCOAL coscoz COOLER PS i G FILTER p AIR IN a REGULATOR 0 6 35 45 psi PRESSURE SENSOR 4 Options _ Stainless Fitting FILTER with SPECIAL ORING E izi ZERO AIR OUT 20 SLPM 30 psi 1 LPM DEWPOINT SENSOR P O Control PCA PUMP Figure 5 2 M701 Pneumatic Diagram with CO and Dew Point Sensor Options 5 4 01671H DCN6051 OPERATION Teledvne API Model M701 Zero Air Generator ANAWNYLSNI JHL DNILVH3dO 340439 3AOW34 dWNd YANN WOLLO8 LY SISSVHO AGISNI GALV9071 SM340S AIHANHDS TWODHVHO AN YIMOd ONIddIHS 38 p ILON HIWHOJSNVUL e UIMOd SVISHJAO YIJANYIS ON 1109 DNITOOD diNNd ANVL JDVHOLS adyno YJONIJ z o O H 6 Lyc l A e e A Aa LI e e s jo 431114 i 1NO dOHQ HILVM i U oll ill Se Le SIFILIS 137N1 HIV d NIVA e 8 NIVHQ H3IVM 2 H o o AS PAPE f Ea INVA 43134 3MNSSIUA o o le O CH INO XIV OY3Z 0 O T O O YIN WNId e TA o Wi Te x nf IN HAAUG INIVA H93H9 IALVHINIDIU HOSN3S aynssaud D NOILdO GHVOS8 TOHLNOD U
43. nt which very slowly sweats onto the surface of the plastic creating a slightly conductive layer over the surface of the bag While this layer may equalizes any charges that occur across the whole bag it does not prevent the build up of static charges 1f laying on a conductive grounded surface these bags will allow charges to bleed away but the very charges that build up on the surface of the bag itself can be transferred through the bag by induction onto the circuits of your ESD sensitive device Also the liquid impregnating the plastic is eventually used up after which the bag is as useless for preventing damage from ESD as any ordinary plastic bag Anti Static bags made of plastic impregnated with metal usually silvery in color provide all of the charge equalizing abilities of the pink polv bags but also when properly sealed create a Faraday cage that completely isolates the contents from discharges and the inductive transfer of static charges Storage bins made of plastic impregnated with carbon usually black in color are also excellent at dissipating static charges and isolating their contents from field effects and discharges e Never use ordinary plastic adhesive tape near an ESD sensitive device or to close an anti ESD bag The act of pulling a piece of standard plastic adhesive tape such as Scotch tape from its roll will generate a static charge of several thousand or even tens of thousands of volts on the tape itself and
44. or base to the bottom of the chassis These screws are inside the chassis at the bottom underneath the pump See Figure 5 3 Check the line voltage and frequency label on the rear panel and verifv that it matches vour local power 3 2 Installation See Figure 3 1 The basic M701 has rubber feet for counter top use Optionally the M701 is supplied with slides and angles for mounting in a standard 19 RETMA rack When installing the M701 check the following points 1 O oa A W N At least 6 150 mm clearance at the back for proper fan operation At least 3 75 mm at each side for proper venting Adequate support for the weight 55 Ib 25 kg Access at the rear for making the pneumatic and electrical connections Access at the front for occasional scrubber replacement For safety the M701 should be operated with the cover on 01671H DCN6051 3 1 GETTING STARTED Teledvne API Model 701 Zero Air Generator 8 69 RACK MOUNT SLIDE OPTION FOOT 4X REMOVE FOR RACK MOUNT AA MOUNT OPTION ANGLES AND HANDLES Figure 3 1 Dimensions 3 2 01671H DCN6051 Teledyne API Model M701 Zero Air Generator GETTING STARTED 3 3 Front and Rear Panels Figure 3 2 and Figure 3 3 illustrate the Model 701 front and rear panels VELEOVWE ADVANCED POLLUTION INSTRUMENTATION A Teledyne Technologies Company P A
45. or containers available Teledyne API s Customer Service department will supplv them Follow the instructions listed above for working at the instrument rack and workstation 8 8 01671H DCN6051 APPENDIX A SPARE PARTS Use of replacement parts other than those supplied by TAPI may result in non Note compliance with European standard EN 61010 1 Due to the dynamic nature of part numbers please refer to the Website at Note http www teledyne api com or call Customer Service at 800 324 5190for more recent updates to part numbers 01671H DCN6051 This page intentionally left blank A 2 01671H DCN6051 SPARE PARTS LIST M701H Ref 04825F DCN5895 Part Number Description 018490000 JGAUGE PRESSURE 60 PSI M701 KB FILTER COALESCING 03 MICRON KB 01671H DCN6051 A 3 Reference 07346A DCN5895 Recommended Spare Parts Stocking Level Standard SES Units Part Number Description 1 2 5 6 10 11 20 21 30 017960000 ASSY FAN M701 M701H 1 2 4 8 j066180000 PCA CONTROLBOARD M701H po jp 1 2 4 036260000 ASSY 4 WAYVALVE PARKER M701 po J 1 2 4 8 0667800007 ASSY PUMP WIBASE 100 115V GAST _ J po J 2 FLO000044 FILTER COALESCING 03 MICRON KB ________ 1 2 4 8 vA0000012 VALVE RELIEFKB a 2 4 DIR VA0000014 REGULATOR 4 f 8 VA0000016 VALVE CHECKKB Dt 1 2 4 8 VA0000017 VALVE 2 WAY 115VACKB 2 4 8 ajaja
46. panded to atmospheric pressure in the outlet shuttle valve and passes in reverse through the second column By expanding the air the volume increases and the relative humidity decreases thus enabling a small amount of dry purge air to evaporate the entrained water in the second column The wet purge air leaving the column is exhausted inside the M701 The rapid air movement inside the M701 chassis ensures that the small amount of water involved is safely vented to the atmosphere The majority of the dry air from the first column is conducted to the storage tank The controller toggles the four way valve every 2 minutes and the columns alternate their function This cycling rate has been selected to provide the optimum balance of scrubbing efficiency and air usage and is not adjustable 5 8 Check Valve The purpose of the check valve is to isolate the air in the storage tank from the components upstream Thus when the compressor turns off the air in the storage tank will be retained and not lost through the drier purge air path or back through the compressor 01671H DCN6051 5 7 OPERATION Teledvne API Model 701 Zero Air Generator 5 9 Storage Tank The storage tank serves two functions As its name implies it stores air so that when the demand is low the compressor can be turned off to conserve energy allowing the storage tank to supply the air requirements The tank also serves as filter capacitor preventing pulses generated by
47. ply of replacement particulate filters is available from Teledyne API as Option 42A Refer to Appendix B for a list of expendables 4 6 Flow Restriction 13 SLPM OPT 72B A flow restrictor is available in order to ensure a source of dry air It is connected to the outlet fitting and restricts the air flow to 13 SLPM 4 7 Dewpoint Sensor OPT 86E The dewpoint sensor ensures that the Regenerative Drver maintains a dewpoint less than 20 C up to 15 SLPM flow rate or less than 10 C greater than 15 SLPM flow rate This will increase the life of the chemical scrubbers 01671H DCN6051 4 3 OPTIONAL HARDWARE and SOFTWARE Teledvne API Model 701 Zero Air Generator This page intentionallv left blank 4 4 01671H DCN6051 5 OPERATION 5 1 Overview Refer to Figure 5 1 Figure 5 2 and Figure 5 3 for the following The M701 dries and scrubs ambient air to produce zero air The compressor draws air in from the rear panel bulkhead union and inlet filter At the compressor outlet the air is under pressure and hot from the compression The relative humiditv is high as a result of the high pressure The air is conducted through the cooling coil where heat is removed by transfer to the cooling fan air With the pressure still high but the temperature reduced to ambient the relative humiditv is at its highest At this point the air is usually supersaturated From the coil the wet air passes through a coalescing filter where
48. pressure higher than 55 psig To do so may cause damage to the M701 and injury to the operator 5 8 01671H DCN6051 Teledvne API Model M701 Zero Air Generator OPERATION 5 12 Pressure Gauge The front panel mounted pressure gauge shows approximatelv the regulated air pressure available to a calibrator The gauge will usually indicate 30 psig If the flow is very low as in a standby condition the gauge may read a little higher say 33 psig It will move to the correct reading when the air flow is increased If the pressure drops below 30 psig it may be because too much air is being commanded At maximum air flow 20 SLPM you may notice that the pressure drops to 29 psig This is normal 5 13 Hydrocarbon Scrubber option The optional Hydrocarbon scrubber catalytically converts hydrocarbons to carbon dioxide and water The scrubber consists of a cvlindrical cartridge which contains a preheat chamber and the pelletized precious metal catalyst The canister is heated by a band heater with an integral type K thermocouple and is housed in a stainless steel casing with appropriate thermal insulation The cartridge temperature is controlled by the M701 control PCB The controller reads the thermocouple voltage compensates for cold junction temperature and modulates the heater to maintain a constant cartridge temperature See Appendix drawing 00257 The operating temperature of the cartridge is 300 C The temperature can be veri
49. r the same potential as other grounded objects in the work area and allows static charges to dissipate before they can build to dangerous levels Anti ESD wrist straps terminated with alligator clips are available for use in work areas where there is no available grounded plug Also anti ESD wrist straps include a current limiting resistor usually around one meg ohm that protects you should you accidentally short yourself to the instrument s power supplv 8 4 01671H DCN6051 Teledvne API Model 701 Zero Air Generator A Primer on Electro Static Discharge e Simplv touching a grounded piece of metal is insufficient While this may temporarilv bleed off static charges present at the time once vou stop touching the grounded metal new static charges will immediatelv begin to re build In some conditions a charge large enough to damage a component can rebuild in just a few seconds e Alwavs store sensitive components and assemblies in anti ESD storage bags or bins Even when vou are not working on them store all devices and assemblies in a closed anti Static bag or bin This will prevent induced charges from building up on the device or assembly and nearby static fields from discharging through it e Use metallic anti ESD bags for storing and shipping ESD sensitive components and assemblies rather than pink polv bags The famous pink poly bags are made of a plastic that is impregnated with a liquid similar to liquid laundry deterge
50. rmed on your instrument to keep it in good operating condition 7 0 TROUBLESHOOTING This section includes pointers and instructions for diagnosing problems with the instrument as well as instructions on performing repairs or replacing components on the instrument 1 2 01671H DCN6051 2 SPECIFICATIONS AND WARRANTV 2 1 Specifications Table 2 1 Specifications PARAMETER SPECIFICATION Output STD 20 SLPM 30 psig Max deliverv pressure 35 psig Except in some specials that have restricted output 15 SLPM lt 20 C gt 15 SLPM lt 10 C Mounting Bench type standard Rack mount optional Dimensions 8 75 H x 17 W x 23 5 D 22 2 cm x 43 2 cm x 60 cm Weight 55 Ibs 25 Kg Operating Temp 5 40 C Power 115V 60Hz 3 5A 230V 50Hz 2 0A 220V 60 Hz 2 2A Environmental Installation Category Conditions Over Voltage Category ll Pollution Degree 2 01671H DCN6051 2 1 SPECIFICATIONS and WARRANTV Teledvne API Model 701 Zero Air Generator 2 2 Warrantv WARRANTY POLICY 020240 ben 4473 Prior to shipment Teledyne API equipment is thoroughly inspected and tested Should equipment failure occur Teledyne API assures its customers that prompt service and support will be available COVERAGE After the warranty period and throughout the equipment lifetime Teledyne API stands ready to provide on site or in plant service at reasonable rates similar to those of other manufacturers in the industry All ma
51. rounded receptacle of the work station before touching any items on the work station and while standing at least a foot or so away This will allow any charges you are carrying to bleed away through the ground connection of the workstation and prevent discharges due to field effects and induction from occurring 2 Pause for a second or two to allow any static charges to bleed away 3 Only open any anti ESD storage bins or bags containing sensitive devices or assemblies after you have plugged your wrist strap into the workstation e Lay the bag or bin on the workbench surface e Before opening the container wait several seconds for any static charges on the outside surface of the container to be bled away by the workstation s grounded protective mat 4 Do not pick up tools that may be carrying static charges while also touching or holding an ESD Sensitive Device e Only lay tools or ESD sensitive devices and assemblies on the conductive surface of your workstation Never lay them down on any non ESD preventative surface 5 Place any static sensitive devices or assemblies in anti static storage bags or bins and close the bag or bin before unplugging your wrist strap 6 Disconnecting your wrist strap is always the last action taken before leaving the workbench 8 5 3 Transferring Components from Rack to Bench and Back When transferring a sensitive device from an installed Teledyne API analyzer to an Anti ESD workbench or back 1 Fo
52. s from Teledyne API s Customer Service Packing materials such as bubble pack and Styrofoam pellets are extremely efficient generators of static electric charges To prevent damage from ESD Teledyne API ships all electronic components and assemblies in properly sealed anti ESD containers Static charges will build up on the outer surface of the anti ESD container during shipping as the packing materials vibrate and rub against each other To prevent these static charges from damaging the components or assemblies being shipped ensure that you always unpack shipments from Teledyne API s Customer Service by 1 Opening the outer shipping box away from the anti ESD work area 2 Carry the still sealed ant ESD bag tube or bin to the anti ESD work area 3 Follow steps 6 and 7 of Section 8 5 3 above when opening the anti ESD container at the work station 4 Reserve the anti ESD container or bag to use when packing electronic components or assemblies to be returned to Teledyne API 01671H DCN6051 8 7 A Primer on Electro Static Discharge Teledvne API Model 701 Zero Air Generator 8 5 5 Packing Components for Return to Teledvne API s Customer Service Always pack electronic components and assemblies to be sent to Teledyne APl s Customer Service in anti ESD bins tubes or bags WARNING e DONOT use pink polv bags e NEVER allow anv standard plastic packaging materials to touch the electronic component assembiv directiv This includ
53. scrubber BE CAREFUL IT STAYS HOT FOR A LONG TIME Install a new Teledyne APl supplied scrubber which has been purged Screw it down Attach and tighten the pneumatic connections BE SURE THAT THE COPPER COOLING COIL IS NOT TOUCHING ANY WIRE OR CABLE 10 Check that the thermocouple is plugged into the control PCA ON O o CAUTION Be sure that you use a Teledyne API supplied purged scrubber Otherwise downstream components may be damaged An unpurged hydrocarbon scrubber produces a lot of water when first turned on 11 Plug the scrubber into the control board 12 Turn on the M701 13 Connect a millivolt meter to J12 on the control PCA Observe that the LED starts blinking at 11 2 mV 300 C and that the thermocouple voltage holds steady 14 When all traces of water have disappeared from the M701 output the output may be reconnected to the analyzers 01671H DCN6051 6 5 MAINTENANCE Teledvne API Model 701 Zero Air Generator 6 8 Servicing The Regenerative Drver It is unlikely that the Regenerative Dryer should ever need service Should the molecular sieve become contaminated by oil or other external contaminants the dryer will need to be cleaned and recharged See Figure 6 1 1 Turn off and unplug the M701 plug in and turn on again and remove any water in bowl 2 Allow the pressure to bleed to zero 3 Remove the two pneumatic connections and the electrical connection from the 4 way manifold
54. seen es ne na 2 1 2 1 SPEGIFIGATIONS EENEG 2 1 PRESI A be mi kati E ka i pil klimi nut mi bii mi ns nee 2 2 3 GETTING STARTED re at a Lu Lega ee pa 3 1 SETAJNPAGKIN Ga veg oue kou EE 3 1 IZ INSTALLATION EE 3 1 3 3 FRONT AND REAR PANELS kb bb bk kt kt baka aaa a taa aaa aa aaa aaa aeaaaeaseoeteesassesoesoeseoseooesonsonsanannannnnnn 3 3 3 4 ELECTRICAL AND PNEUMATIC CONNECTIONS nn nn nn nn ake ake eee ve kek ke eee eee ee sea 3 4 IS ed 3 5 3 6 SHUT DOWN STORAGE AND TRANSPORTATION aaa aa aaa ana nana ea anen a eee ae kie e eee ee ee ee ee ee eee ee ee eres 3 5 4 OPTIONAL HARDWARE AND SOFTWARE e ana nen enen nen ee nenes rere 4 1 4 1 CO SCRUBBER OPT IB puset i d 4 1 4 2 HYDROCARBON SCRUBBER OPT 2B saa tasa ste iken te hun tt eh ka bur shehu de eee 4 1 4 3 CARRYING STRAP HANDLE OPT 29 4 2 4 4 RACK MOUNT KITS OPT 20A OPT 20B amp OPT 21 4 3 4 5 EXPENDABLE KITS OPT42 An e e e n re 4 3 4 6 FLOW RESTRICTION 13 SLPM OPT OB 4 3 4 7 DEWPOINT SENSOR OPT 86E ler ii ti ii b id acid id air it acid ait t ne it me s 4 3 SOPERATION SES e eee e 5 1 DET OVERVIEW nr oue ee ja rali ou da pit kran Sou ti tou dt atoll AS 5 1 5 2 GOMPRESSOR iii a a A a defo Et A ai 5 6 5 3 GOOLING GOL s lasi vini FA eti da chs Zo ei Ta E dk Ta E us D 5 6 SAWATER TRA B e e eki 5 6 5 5 WATER DRAIN VALVE ada Sadat vwa a ae mud due md a sued coe a A a pea EEN 5 6 5 6 PRESSURE RELIEF VALVE aaa MAMMA aaa EE EEI KE IEEE EE NEE RERE ER RERE R
55. stalling the strap handle prevents the use of the rack mount slides although the rack mount brackets OPT 21 can still be used CAUTION GENERAL SAFETY HAZARD A fully configured M701 with valve options weighs about 55 Ibs 25 kg To avoid personal injury use two personsto lift and carry the instrument Ensure to disconnect all cables and tubing from the analyzer before moving it 4 2 01671H DCN6051 Teledvne API Model M701 Zero Air Generator OPTIONAL HARDWARE and SOFTWARE 4 4 Rack Mount Kits OPT 20A OPT 20B 8 OPT 21 There are several options for mounting the analyzer in standard 19 racks The slides are three part extensions one mounts to the rack one mounts to the analyzer chassis and the middle part remains on the rack slide when the analyzer is taken out The analyzer locks into place when fully extended and cannot be pulled out without pushing two buttons one on each side The rack mount brackets for the analyzer require that you have a support structure in your rack to support the weight of the analyzer The brackets cannot carry the full weight of an analyzer and are meant only to fix the analyzer to the front of a rack preventing it from sliding out of the rack accidentally OPTION NUMBER DESCRIPTION 20A Rack mount brackets with 26 in chassis slides 20B Rack mount brackets with 24 in chassis slides 21 Rack mount brackets only 4 5 Expendable Kits OPT 42A A one year sup
56. the excess water is separated and settles in the bottom of the filter The controller periodicallv opens the solenoid drain valve allowing the water to be expelled through a rear panel bulkhead union drain The partiallv dried air passes a pressure relief valve set to open at 90 psig and enters the Regenerative Drver which removes essentiallv all the remaining water and a portion of the other contaminants The pressure relief valve mav open occasionallv and can be loud but this is a normal part of the operation of the M701 The drv air then passes through a check valve to the storage tank A pressure switch turns off the compressor when the pressure in the tank reaches a set high value and turns the compressor on when the pressure reaches a set low value Thus when air demand is low the compressor is turned off and the tank fulfills the demand The pressure in the tank varies from approximatelv 35 psig to approximatelv 80 psig depending on the demand As the air leaves the tank its pressure is controlled to 30 psig bv an air pressure regulator mounted on the front panel This maintains a constant pressure at the calibrator inlet and is displaved bv the pressure gauge on the M701 front panel Some specials with restricted output are set to 50 psig For a final clean up the drv regulated air enters the specific scrubbers First the optional Hvdrocarbon scrubber where Hydrocarbons and CO are catalytically converted to CO and water Then
57. the retaining screens Shake out the catalyst beads and dispose No special disposal methods required Pour in new catalyst to 1 2 from the top of the bores Tap the cartridge sides gently to settle the beads and top up to the 1 2 level 10 Replace the retainer screens 11 Replace the TFE tape on the two unions and replace the unions in the cartridge 12 Reassemble the scrubber replace it in the chassis and reconnect the tubing and receptacle 13 Turn on the M701 and leak check using soap solution If the unit has the HC scrubber option it will also have a CO scrubber attached to the CO scrubber housing This is not a heated scrubber It is held in place with 4 screws through the body of the scrubber into the CO scrubber housing Remove these 4 screws to remove the scrubber Follow steps 5 through 13 01671H DCN6051 Teledyne API Model 701 Zero Air Generator MAINTENANCE 6 7 Replacing The HC Scrubber Turn off power and unplug the M701 power cord Disconnect the HC scrubber power at the Control PCA Remove the heat shield from the HC scrubber Disconnect the pneumatic connections at the CHARCOAL SCRUBBER INLET AND AT THE REAR END OF THE COPPER COOLING COIL using 1 2 and 9116 wrenches Aa N gt CAUTION Wait for the scrubber to cool The scrubber casing and the copper cooling coil will be very hot Remove the four screws holding the scrubber under the chassis Lift out the
58. uenced by the controller and is open for approximately 2 seconds every 5 minutes CAUTION Do not forget that the water air spray leaving the rear panel DRAIN fitting spurts at a high velocity and should be appropriately conducted away from any sensitive components The operation cycle has been preset at the factory and is not adjustable 5 6 01671H DCN6051 Teledvne API Model M701 Zero Air Generator OPERATION 5 6 Pressure Relief Valve The pressure relief valve is a safetv device designed to limit the maximum pressure to which the M701 can be subjected It is set to open at 90 psig This can be quite loud when the valve opens and sounds like steam escaping This is normal operation and does not mean there is a problem with the unit CAUTION Do not adjust the relief valve 5 7 Regenerative Drver The Regenerative Drver consists primarilv of two parallel columns of molecular sieve in which alternatelv one column is scrubbing the air while the other is being regenerated The Regenerative Drver needs no warm up and operates at full efficiencv as soon as the M701 is turned on The molecular sieve is not consumed and is good for the life of the instrument When the M701 is turned on a four way solenoid operated valve directs high pressure air to one of the two columns and vents the other column to atmosphere Virtually all the water in the high pressure air is trapped by the molecular sieve A portion of the dried air is ex
59. y static discharges lt is true that when properly installed the chassis ground of your analyzer is tied to earth ground and its electronic components are prevented from building static electric charges themselves This does not prevent discharges from static fields built up on other things like you and your clothing from discharging through the instrument and damaging it 8 4 Basic Principles of Static Control It is impossible to stop the creation of instantaneous static electric charges It is not however difficult to prevent those charges from building to dangerous levels or prevent damage due to electro static discharge from occurring 8 4 1 General Rules Only handle or work on all electronic assemblies at a properly set up ESD station Setting up an ESD safe workstation need not be complicated A protective mat properly tied to ground and a wrist strap are all that is needed to create a basic anti ESD workstation refer to figure 12 2 Protective Mat DO A t k si Ground Point Figure 8 2 Basic anti ESD Work Station For technicians that work in the field special lightweight and portable anti ESD kits are available from most suppliers of ESD protection gear These include everything needed to create a temporary anti ESD work area anywhere e Always wear an Anti ESD wrist strap when working on the electronic assemblies of your analyzer An anti ESD wrist strap keeps the person wearing it at or nea
60. yst is proprietary and operates at room temperature however it is heated to approximately 70 C to prevent water condensation lt theoreticallv should never need changing However it mav become contaminated or poisoned over time so we recommend that it be replaced once per vear or sooner if the level of CO in the air is high 4 2 Hvdrocarbon Scrubber OPT 2B The High Puritv Hvdrocarbon Scrubber OPT 2B includes the CO Scrubber OPT 1B The optional Hvdrocarbon scrubber catalvticallv converts hvdrocarbons to carbon dioxide and water The scrubber consists of a cvlindrical cartridge which contains a preheat chamber and the pelletized precious metal catalvst The canister is heated bv a band heater with an integral tvpe K thermocouple and is housed in a stainless steel casing with appropriate thermal insulation The cartridge temperature is controlled bv a printed circuit assembly mounted on the outside of the scrubber casing The controller reads the thermocouple voltage compensates for cold junction temperature and modulates the heater to maintain a constant cartridge temperature Refer to Appendix A P N 00257 The operating temperature of the cartridge is 300 C The temperature can be verified by measuring the thermocouple voltage at TB1 the two terminal blocks at the top left corner of the board Pin 1 the top terminal is the NEGATIVE At 300 C the thermocouple voltage is 11 2 mV in an ambient temperature of 25 C 11 4 mV at 20 and

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