R-Tech MTS210D Mig Tig Arc Welder Owners Manual 2014
Contents
1. the current is increased as the volts fall off due to a short arc length This helps maintain the arc by providing more power 10 Rear machine connections Mains input cable 240V AC input Fit the required plug as per your electrical installation On Off Switch Fuse Holder 5A fuse for wire speed Gas input connector Connect input gas hose ensuring connection is tight Connections for TIG GTAW Welding TIG MODE Qla POWER MTS210D Fig 3 1 Gas outlet Connect the TIG torch gas hose quick release connector 2 MIG Torch Euro Connector NOT used in TIG mode 3 Positive power connector Connect the earth lead to by inserting and twisting until tight and the earth clamp to work bench 4 Torch control socket 7 Pin Connect torch control plug or Remote Foot Pedal plug 5 Negative power connector Connect TIG Torch Dinse to power connector by inserting and twisting until tight Connect the gas input hose to gas regulator and use Pure Argon Gas available from local suppliers Set gas flow pressure to 8 12 LPM Make sure the gas bottle is secured to avoid injury 12 STICK MMA MODE Connections for STICK MMA Welding Fig 4 ES POWER MTS210D 1 Positive power outlet Connect electrode holder lead 2 Negative power outlet Connect earth lead Connections for MIG Welding Fig 5 1 Gas outlet not used for TIG mode only 2 Euro torch connection Connect Mig torch ens2. amp bare spots Keep TIG torch and cables in good condition Clean air vents to ensure proper air flow and cooling The fan motor has sealed bearings which requires no maintenance 2 3 4 5 www Troubleshooting Service amp repair should only be performed by R Tech welding trained personnel Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your warranty For your safety and to avoid electric shock please observe all safety notes and precautions detailed throughout this manual The troubleshooting guide is provided to help you locate possible machine malfunctions Simply follow the 3 step procedure below Step 1 Locate problem symptom Look under the column labeled Problem symptoms This column describes possible symptoms that the machine may exhibit Find the listing that best describes the symptom that the machine is exhibiting Step 2 Possible Cause The second column labeled possible cause lists the obvious external possibilities that may contribute to the machine symptom 19 Step 3 Recommended course of action This column provides a course of action for the possible cause generally it states to contact R Tech welding for repair of machine Troubles Cause Remedy 1 Fan not working properly 1 fan wire lose 2 Fan breakage 1 Connect the line 2 Change the fan 2 No indication on the front panel 3 Overheating li
3. 14 15 MIG TIG STICK Process Selector Each icon graphically represents each process The top function represents MIG The middle function represents TIG The bottom function represents Stick Voltage When lit LED display will show welding voltage Tig amp MMA Amp MIG Wire Speed Adjustment Knob For Stick and TIG function this adjusts the amps For MIG operation the amps are directly tied to the wire speed feed Increasing the speed increases the amps and vice versa While the unit displays in m min for MIG operation a change in this control also results in a change of amps Duty Cycle Over current Warning When the duty cycle has been exceeded or an over current condition will occur the L E D will light Allow the unit to cool while running until the light goes off or for 10 minutes before resetting the welder If the condition persists check for loose wires or voltage supply problems or call R Tech support MIG Wave Form Control Varies the slope of the current rise time during short circuit MIG operation This affects the actual point where the current has risen sufficiently to melt the wire Memory channel LED CH channel SAVE Process Selector Pressing button will change memory store number and show values stored To set up a new memory store first select number to be programmed then enter setup parameters as reguired and then press save for 3 seconds to program current setting to shown memory number MIG
4. TIG post flow selector Press to select post flow this will be shown in LED 1 and can be adjusted with knob 16 21 4T Torch Switch Selector The torch trigger function is designed to operate for both MIG and TIG functions To operate in 2T mode the trigger on either the MIG or TIG torch should be simply held down The 4T function operates as a torch latch in MIG mode that locks the MIG torch on without needing to hold the trigger To operate 4T in MIG mode simply press the torch trigger and hold it down until the arc starts To lock it on release the trigger and you can then weld without holding the trigger down To stop the trigger must be pressed again and then released 16 The 4T function in TIG mode acts similarly but in conjunction with the down slope timer As the torch trigger is pressed for the second time the trigger should be held in until the downslope timer completes its cycle The trigger may then be released to end the arc Releasing before the down slope is finished will terminate the arc immediately MIG Volt TIG Down Slope MMA Arc Force Control MIG TIG post flow In each mode the function of the control changes In MIG mode the control is used to adjust the arc voltage power While in TIG mode it functions to adjust the down slope of the arc current In Stick mode the control is used to vary the automatic arc force current response When used for stick welding the arc force is also known as dig
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6. CS TECH www r techwelding co uk email sales r techwelding co uk Tel 01452 733933 Fax 01452 733939 POWER MTS210D MIG TIG MMA WELDING MACHINE OPERATION INSTRUCTIONS Thank you for selecting the R Tech MTS210D Inverter Mig MMA TIG Welder The MTS210D has many benefits over traditional transformer welders including infinite power control adjustable arc force and features a heavy duty wire feed mechanism to provide very smooth wire feed and weld characteristics Ideal for automotive work with its minimum current of 25 30 Amps and industrial welding with its maximum output of 200 Amps MIG TIG and 175 amps MMA PLEASE EXAMINE THE CARTON AND EQUIPMENT FOR DAMAGE IMMEDIATELY If your machine is damaged please call our sales team on 01452 733933 Please record your eguipment identification below for future reference This information can be found on the data plate at rear of machine Product POWER MTS210D Serial No Date of Purchase Where Purchased Whenever you reguest replacement parts or information on this eguipment please always supply the information you have recorded above This product is covered by a 2 year parts and labour warranty we will cover the cost of collection repair and returning the item to you within mainland UK other area are RTB warranty External items torch earth lead etc are covered by a 3 month warranty Any faults damage found caused by a customer will be charged
7. ENCAO Japanese GE BIA Korean Do not touch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y de la tierra Ne laissez ni la peau ni des v te ments mouill s entrer en contact avec des pi ces sous tension Isolez vous du travail et de la terre Ber hren Sie keine stromf hrenden Teile oder Elektroden mit Ihrem K rper oder feuchter Kleidung Isolieren Sie sich von den Elektroden und dem Erdboden N o toque partes el tricas e elec trodos com a pele ou roupa molha da Isole se da peca e terra o AE FORARE ZIEHE IRENERTMNENIE e HIH Ah R b7 iaa ERR RE ER AER FR SKA CMH LH FER ae se st mie AU Bax nile e sis HIE HFA Ag JUI Gab A gei ye I olau 2 SYN gh yu ec plal Ail AU JIA dana ule We ae Keep flammable materials away Mantenga el material combustible fuera del rea de trabajo Gardez l cart de tout mat riel inflammable Entfernen Sie brennbarres Material e Mantenha inflam veis bem guarda dos e HATUO560049B COREE d xicucitUttA e d 9 g miim i RET EAT rss 292 Al nig OSa A Jeiaou AL Y ol gt aca Wear eye ear and body protection Prot jase los ojos los o dos y el cu
8. N aspiraci n para gases Gardez t te l cart des fum es D branchez le courant avant l entre N op rez pas avec les panneaux French Utilisez un ventilateur ou un aspira tien ouverts ou avec les dispositifs de teur pour ter les fum es des zones protection enlev s ATT E NTI O N de travail Vermeiden Sie das Einatmen von Strom vor Wartungsarbeiten amp Anlage nie ohne Schutzgeh use German Schweibrauch abschalten Netzstrom v llig ff oder Innenschutzverkleidung in Sorgen Sie f r gute Be und nen Maschine anhalten Betrieb setzen WA R N U N G Entl ftung des Arbeitsplatzes amp Mantenha seu rosto da fumaga Nao opere com as tampas removidas e Mantenha se afastado das partes Portuguese Use ventilac o e exhaust o para Desligue a corrente antes de fazer moventes AT E N A remover fumo da zona respirat ria Servico N o opere com os paineis abertos N o toque as partes el tricas nuas ou guardas removidas GL CcLC e 3vFFr2 ERIBND ONZNDIN EBUALHEE Japanese Feu PSB KF RRATY FE TRRRFELEOTFEV ICM I e amp uecHmcHOERUCT amp vo LE eman REIT e EEO RH CRRA MRLARS RT EF e cn E f MH e SAAS Belle e uuo AAS KEHKA SR ero Sel gaye SH7I4AS npMA HHPI Ash 7 A742 5278 Ass Arabic ge su ul due Lily SUN JE AN un abil ALLEY on 13 34 ia Gea Y e TJAN js kic jga yi
9. Please read this operators manual completely before attempting to use this eguipment Pay particular attention to the safety instructions we have provided you for your protection The level of seriousness to be applied to each section is explained below WARNING N This statement appears where the information must be followed exactly to avoid serious personal injury CAUTION This statement appears where the information must be following to avoid a minor personal injury or damage to this eguipment Product Description Premium features include Inverter power source more efficient to operate provides smoother weld characteristics Heavy duty wire feed unit for long working life and consistent wire feeding MIG MMA DC Tig welding modes Infinite welding voltage to allow fine tuning of weld characteristics Adjustable arc force controls splatter ideal for thin materials Mig Operation with from 25 amps to 200 amps ideal for very thin and thick materials Digital amp amp volts meters 9 memory job stores Easily switch between stored settings for job in hand Euro type torch fittings for easy torch fitment replacement 35 Duty cycle at maximum amps 40 C Recommended Processes The R Tech is recommended for the MIG welding processes within its output capacity of 200 Amps DC Eguipment Limitations The R Tech POWER MTS210D is protected from overloads beyond the output ratings and duty cycle as per machine specificati
10. TED TO A 20AMP 240V MAINS INPUT Connecting to an Engine Driven Generator If connecting this machine to an engine driven generator please ensure the following Minimum Generator KVA Output 7 2 KVA continuous Generator to be fitted with AVR automatic voltage regulation DO NOT USE ON A GENERATOR WITHOUT AVR Connecting to a generator without the above minimum reguirements will invalidate your warranty 7 1 2 3 4 5 6 Controls and Settings Front Panel Digital Muiti Process wie woLTB Y CURRENT MMAARCFORCE TIC DOWN BLOPE BPEED TU lt i art i gt way UR ERENTO waur Sermo po WER 152 ym 16 3 9 10 11 12 13 14 Fig 1 Voltage MMA Arcforce TIG down slope Display The meter on the front panel can indicate the actual welding voltage or preset MIG voltage The indicating number has the precision of 0 1V The meter indicates the preset during no welding Display MMA Arcforce Display TIG down slope time Current Wire speed indicating The current indicating meter on the front panel indicates the actual welding current during the welding indicates the wire speed during no welding Power indicator Lights up when 240v power is connected to machine and on off switch is in the on position TIG down slope time or post flow time Wire speed When lit LED display will show wire feed speed Current When lit LED display will show amperage 8 10 11 12 13
11. e sure the voltage phase and frequency of input power is as specified on machine rating plate located at rear of machine Have a qualified electrician provide suitable input power as per national electrical codes Make sure machine is earthed grounded Make sure fuse or circuit breaker is correct rating for machine Using fuses or circuit breakers smaller than recommended will result in nuisance shut off from welder inrush currents even if welding at low amperages On multiple voltage input welders be sure the machine is connected as per the instructions for the voltage being supplied to welder Failure to follow these instructions can cause immediate failure within the welder and void machines warranty WARNING ELECTRIC SHOCK KILL Turn the input power OFF at the mains switch amp fuse box before working on this equipment Have a qualified electrician install amp service this equipment Allow machine to sit for 5 minutes minimum to allow the power capacitors to discharge before working inside this eguipment Do not touch electrically live parts The POWER MTS210D Inverter TIG Welder requires a 240V 50 60Hz 20 amp fused supply It comes with a 3 metre mains cable attached Connect wires according to national coding Below states UK coding Brown wire Live Blue wire Neutral Green Yellow Wire Earth Ground Connecting to a mains electrical supply THIS MACHINE IS OF AN INDUSTRIAL SPECIFICATION AND MUST BE FIT
12. ect desired welding voltage Select desired wire feed speed oar Adjust wire feed speed to suit voltage wire diameter chosen Wire reel holder remove retainer screw cap and fit wire reel and refit securing screw cap The reel holder features an internal adjustable braking system so that reel of wire stops quickly when the torch trigger released otherwise the wire reel would continue for a few seconds causing wire to come off the sides Wire feed assembly make sure the rollers are the correct size for the wire diameter selected To change the rollers release the retaining knurled head screw and fit the rollers onto the shafts making sure the right size groove is in line with the wire and refit retaining screws Do not over tighten the wire feed pressure rollers as this can cause premature motor and roller failure TIP Correct way to adjust tensioner is to slacken off pressure so that the wire does not feed slowly adjust pressure until wire feeds smoothly you should be able to stop wire feeding by holding wire and it should slip on rollers If you have too little pressure the wire will slip when welding causing unwanted burn back into tips if you have too much pressure wire can snag in rollers when wire hits work and cause wire tangle by rollers Welding operation Once you have set the machine up as per above instructions press the torch trigger to start welding gas will flow from the torch and main welding power will start and w
13. erpo Prot gez vos yeux vos oreilles et votre corps amp Tragen Sie Augen Ohren und K r perschutz amp Use proteg o para a vista ouvido e corpo B HAU BI alt HREBSORRAR ez 714 mol sare HSAN dii due ule Ally dag Gl yd gn e pA READ AND UNDERSTAND THE MANUFACTURER S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER S SAFETY PRACTICES SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL FABRICANTE PARA EL USO DE ESTE EQUIPO Y LOS CONSUMIBLES QUE VA A UTILIZAR SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR LISEZ ET COMPRENEZ LES INSTRUCTIONS DU FABRICANT EN CE QUI REGARDE CET EQUIPMENT ET LES PRODUITS A ETRE EMPLOYES ET SUIVEZ LES PROCEDURES DE SECURITE DE VOTRE EMPLOYEUR LESEN SIE UND BEFOLGEN SIE DIE BETRIEBSANLEITUNG DER ANLAGE UND DEN ELEKTRODENEINSATZ DES HER STELLERS DIE UNFALLVERHUTUNGSVORSCHRIFTEN DES ARBEITGEBERS SIND EBENFALLS ZU BEACHTEN 22 amp Keep your head out of fumes amp Turn power off before servicing amp Do not operate with panel open or amp Use ventilation or exhaust to guards off remove fumes from breathing zone Los humos fuera de la zona deres e Desconectar el cable de ali No operar con panel abierto o Spanish mentaci n de poder de la m quina guardas quitadas AM SO D E Mantenga la cabeza fuera de los antes de iniciar cualquier servicio humos Utilice ventilaci n o a PRECAU CIO
14. formation you can slightly release the pedal to decrease the amperage to sustain a perfect weld pool and increase it again as reguired to sustain the weld characteristics Welding in STICK MMA SMAW Mode no remote foot pedal Fit MMA electrode holder to machine Fit earth lead to machine and to work piece Select MMA on MMA TIG MIG switch Place electrode in holder Select desired welding current Select desired Arc Force Strike arc and weld NOOO BR WD Welding in STICK MMA SMAW Mode with remote foot pedal Fit MMA electrode holder to machine Fit earth lead to machine and to work piece Select MMA on MMA TIG MIG switch Place electrode in holder Select desired Arc Force Connect remote foot pedal to machine Select desired welding current Strike arc and weld 18 Maintenance Routine and periodic maintenance WARNING AN 2 ELECTRIC SHOCK CAN KILL Turn the input power OFF at the mains switch amp fuse box before working on this equipment Have a qualified electrician install amp service this equipment Allow machine to sit for 5 minutes minimum to allow the power capacitors to discharge before working inside this equipment Do not touch electrically live parts 1 Periodically remove the side top panels of machine and clean out machine with a low pressure dry air line paying particular attention to PC Boards Fan blades Inspect input and output cables amp hoses for fraying cuts
15. ght on waming led lights red or yellow color 4 Over current light ON warning led lights green color 1 Power cable loose 2 Fuse or IGBT broken 1 Poor airflow 2 Over load use 3 Thermostat broken 1 IGBT broken 2 Output diode broken 3 Drive plate broken 4 Control PCB faulty 5 Over current welding 1 Check the power cable connections 2 Change the fuse 5A 250V fuse or contact R Tech 1 Ensure vents are not blocked 2 Let machine cool and check duty cycle 3 Change the thermostat Contact the R Tech on 01452 733933 5 Wire feeder not working welding current not adjustable 6 Welding Voltage not adjustable 1 Fuse broken 2 Potentiometer faulty 3 Welding torch blocked 4 Drive circuit broken 1 Potentiometer faulty 2 PCB faulty 1 Change the fuse 5A 250V on left panel open wire feeder case 2 Check replace potentiometer 3 Check the welding torch 4 Change the control panel PCB 1 Check replace potentiometer 2 Replace PCB 7 Welding stops and warning light is on Self protection has engaged 1 Display 801 2 Display 802 3 Display 804 4 Display 805 1 Over voltage lower voltage 2 Over temperature 3 Over current 4 Torch switch always close Wiring diagram POWER SWITCH ai R T R53 c3 AC 220V tow DD fi 80 FF60UP30DN 3 IN Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG AT
16. ire feed will start and once wire has touched work piece welding will start to stop welding release torch trigger Adjust the wire feed speed to give the desired weld characteristics More wire Less voltage Dip transfer Less wire More voltage Spray transfer Welding in TIG mode No remote foot pedal Connect the TIG torch and earth lead to machine amp work piece Set the TIG MMA MIG switch to TIG Select 2 or 4 way torch operation Connect Argon gas and set flow to approx 8 12 LPM Set Gas post flow to 6 10 Seconds higher amperage requires more post flow Adjust current to desired welding current Press the TIG torch switch to start welding NOOR ON 17 Welding in TIG mode with Remote foot pedal Connect the TIG Torch to machine connect earth lead to machine amp work piece Connect remote foot pedal to machine Set the TIG MMA MIG switch to TIG Select 2 way torch operation Connect Argon gas and set flow to approx 8 12 LPM Set Gas post flow to 6 10 Seconds higher amperage requires more post flow Press the foot pedal to start welding NO On WD Note When welding with the remote foot pedal Upon pressing of foot pedal welding arc will start if you find it hard to start an arc push the pedal down a bit further to aid starting The benefits of welding with a remote foot pedal is that of greater control of the amount of heat going into the work Press the pedal fully to start welding upon weld pool
17. ons with thermostat protection of the output coils and rectifiers Welding Capability Duty Cycle The R Tech MTS210D is rated at 200 Amps MIG at 35 duty cycle on a ten minute basis If the duty cycle is exceeded a thermal protector will shut machine off until the machine cools The R Tech MTS210D is rated at 175Amps MMA at 35 duty cycle on a ten minute basis If the duty cycle is exceeded a thermal protector will shut machine off until the machine cools The R Tech MTS210D is rated at 200 Amps TIG at 35 duty cycle on a ten minute basis If the duty cycle is exceeded a thermal protector will shut machine off until the machine cools Installation Technical Specifications Model No R Tech POWER MTS210D Input 240V 1 AC 50 60Hz Operation Rated Input Power 8 2 KVA Rated Input Current I Max 34AMPS I Eff 20AMPS Fuse rating 20 AMPS Rated Output Current 200 AMPS TIG MIG 175 AMPS MMA Duty Cycle 35 40 C 200A MIG TIG 175A MMA Duty Cycle 100 40 C 130A MIG TIG 100A MMA MIG 25 200 AMPS Output current Range MMA 10 175 AMPS TIG 10 200 AMPS No Load Voltage 60 80V MIG Voltage Adjustment 44V 26V 3V Range Suitable Wire Diameter 0 6mm 0 8mm 1 0mm Insulation Class F Read entire section before starting installation WARNING ih I e Electric Shock can kill Only qualified personnel should perform this installation Turn off input power at the fuse box before working on
18. s gasless wire 1 Gas type wire Connect as per diagram above A is power outlet B is to torch Fit earth lead to negative connector on front of machine 2 Gasless type wire reverse polarity reguired for gasless wire Connect brass bar from A to C so torch is negative Fit earth lead to positive connector on front of machine Note Ensure machine is disconnected from mains before changing torch polarity 15 Operation SAFETY PRECAUTIONS WARNING N 7 ELECTRIC SHOCK CAN KILL Do not touch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground Always wear dry insulating gloves WARNING FUMES AND GASES can be dangerous Keep your head out of fumes amp gases produced from welding Use ventilation or exhaust to remove fumes amp gases from breathing zone and general area Dr WARNING WELDING SPARKS can cause fire or explosion Keep flammable material away from work area Do not weld on containers that have held combustibles WARNING A 3 ARC RAYS can burn Wear eye ear and body protection Make sure work area is protected by proper shielding to avoid injury to passers by 16 Welding in MIG MAG Mode Connect the MIG Torch to machine connect earth lead to machine amp work piece Set the TIG MMA MIG switch to MIG Select 2 4 way torch operation Set Gas post flow to 1 Seconds for special applications this can be set to max 10 seconds Sel
19. this equipment Do not touch electrically live parts Always connect the machine to an earthed mains supply as per national recommended standards Select suitable location Place the welder where clean cooling air can freely circulate in and out of the front amp rear louvre vents Dirt dust or any foreign material that can be drawn through vents into welder must be kept to a minimum Failure to observe these precautions can result in excessive operating temperatures which can lead to plant failure Grinding Do not direct grinding particles towards the welder An abundance of conductive material can cause plant failure Stacking This machine cannot be stacked Transport amp Unloading Never underestimate the weight of equipment never move or leave suspended in the air above people Use recommended lifting equipment at all times WARNING Us m N Falling Eguipment can cause injury Never lift welder with gas bottle attached Never lift above personnel Tilting Machine must be placed on a secure level surface or on a recommended undercarriage trolley This machine may topple over if this procedure is not followed Environmental Rating The welding power source carries the IP21S rating It may be used in normal industrial and commercial environments Avoid using in areas where water rain is around Read and follow the Electric Shock Warnings in the safety section if welding must be performed under electrically hazardous condi
20. tions such as welding in wet areas or water on the work piece Machine grounding and High Frequency Interference Protection This welder must be grounded to earth See national electrical codes for proper grounding methods The high freguency generator being similar to a radio transmitter may cause interference to radio TV and other electronic eguipment These problems may be the result of radiated interference Proper grounding methods can reduce or eliminate this Radiated interference can develop in the following ways e Direct interference from welder power source e Direct interference from the welding leads e Direct interference radiated from feedback into power lines e Interference from re radiation by un grounded metallic objects Keeping these contributing factors in mind installing equipment as per following instructions should minimize problems e Keep the welder input power lines as short as possible and enclose as much of them as possible in metal conduit or eguivalent shielding There should be a good electrical contact between this conduit and ground Earth e Keep the work and electrode leads as short as possible Tape the leads together where practical e Be sure the torch and earth leads rubber coverings are free from cuts and cracks that allow welding power leakage e Keep earth lead connection to work in good condition Clean area on workbench where earth clamp is situated on a regular basis Input Connections Mak
21. ure tight 3 Positive Not normally used unless using gasless wire reverse polarity 4 Negative power outlet Connect earth lead 13 USING THE WIRE FEED UNIT TO INSTALL WIRE 1 Loosen top tensioner arm rotating counter clockwise 2 Flip tensioner down releasing top drive rolls 3 Raise top drive rolls 4 Inspect the drive roll to make sure that the groove size matches the wire diameter Reversal of the lower roller may be necessary To reverse the roller remove the thumb screw securing the drive roll Pull the drive roll off and flip the drive roll over Reassemble and tighten roller If larger roller is needed contact R Tech Be careful to replace the woodruff key between outer roller and shaft 5 Thread straightened welding wire over grooves in lower drive roll fully through until it begins to start threading into the gun section Lower upper drive rolls onto lower drive roll keeping wire in the groove 6 Raise tensioner back into place Tighten slightly so wire will feed Notice markings on tensioner for future reference 7 Hold torch straight out as possible Press gun trigger to feed wire until the wire exits the end of the torch 8 Adjust tensioner clockwise until drive rolls will not slip when wire comes into contact with surface and the wire will curl up on end Remember to keep wire away from metal that is attached to the work clamp to prevent the wire from arcing 14 Connections for using ga
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