Page 2 - SAFETY; PERFORMED ONLY BY QUALIFIED INDIVIDUALS.; WARNING; ELECTRIC AND; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines
FOR ENGINEpowered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors....
Page 3 - ii
ii SAFETY ii ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks andthe rays of the arc when welding or observingopen arc welding. Headshield and filter lensshould conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from durable...
Page 4 - iii; Refer to
iii SAFETY iii FOR ELECTRICALLYpowered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working onthe equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’srecommendations. 8.c. Ground the ...
Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ; PRÉCAUTIONS DE SÛRETÉ POUR
iv SAFETY iv Mar. ‘93 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L’Arc 1. Protegez-vous contr...
Page 8 - TThhaannkk Y; Please Examine Carton and Equipment For Damage Immediately
vii vii TThhaannkk Y Yoouu for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment. Sa...
Page 9 - TABLE OF CONTENTS
viii viii TABLE OF CONTENTS Page Installation .......................................................................................................................Section A Technical Specifications .......................................................................................................
Page 10 - INSTALLATION; RATED OUTPUT; TECHNICAL SPECIFICATIONS - INVERTEC; TEMPERATURE RANGES
A-1 INSTALLATION INVERTEC® V311-T AC/DC TIG A-1 Input Current @ Rated Output 7.3A 8.3A 12.3A 9.6A 10.7A 13.8A 13.9A 15.8A 24.6A 18.7A 20.9A 27.7A 15.3A 17.5A 27.3A 20.5A 23.6A 30.8A 13.6A 14.9A 23.1A 17.2A 19.4A 25.7A 21.9A 24.6A 41.5A 29.2A 33.2A 47.1A 24.2A 27.7A 47.3A 32.1A 37.3A 52.5A Rated Outp...
Page 11 - MACHINE GROUNDING AND HIGH FRE-; Insulate yourself from the work and ground.
A-2 INSTALLATION INVERTEC® V311-T AC/DC TIG A-2 MACHINE GROUNDING AND HIGH FRE- QUENCY INTERFERENCE PROTECTION The Capacitor Discharge Circuit used in the high fre- quency generator, may cause many radio, TV and electronic equipment interference problems. These problems may be the result of radiated...
Page 12 - RECONNECT PROCEDURE
A-3 INSTALLATION INVERTEC® V311-T AC/DC TIG A-3 5. The work terminal must be connected to a ground within ten feet of the welder, using one of the fol- lowing methods. a) A metal underground water pipe in direct con- tact with the earth for ten feet or more. b) A 3 / 4 ” ( 1 9 m m ) g a l v a n i z ...
Page 13 - INPUT PLUG INSTALLATION
A-4 INSTALLATION INVERTEC® V311-T AC/DC TIG A-4 INPUT PLUG INSTALLATION POWER CORD CONNECTION A 10 ft. power cord is provided and wired into the machine. Follow the power cord connection instruc- tions. Single Phase Input Connect green lead to ground per National Electrical Code. Connect black and r...
Page 14 - OUTPUT CONNECTIONS; O U T P U T C O N N E C T I O N F O R S T I C K; O U T P U T A N D G A S C O N N E C T I O N F O R
OUTPUT CONNECTIONS ELECTRIC SHOCK can kill. • I n s u l a t e y o u r s e l f f r o m w o r k a n d ground. • Turn the input line Switch on the Invertec® V311T AC/DC “off” before connecting or disconnecting output cables or other equipment. • Keep the electrode holder, TIG torch and cable insulation...
Page 15 - REMOTE CONTROL CONNECTION; QUICK DISCONNECT PLUG (FOR STICK ELEC-; SHIELDING GAS CONNECTION
A-6 INSTALLATION INVERTEC® V311-T AC/DC TIG A-6 REMOTE CONTROL CONNECTION A remote control receptacle is provided on the lower c e n t e r c a s e f r o n t o f t h e w e l d e r f o r c o n n e c t i n g a remote control to the machine. Refer to the Optional A c c e s s o r i e s s e c t i o n o f ...
Page 16 - OPERATION; SAFETY INSTRUCTIONS; WELDING CAPABILITY
B-1 OPERATION INVERTEC® V311-T AC/DC TIG B-1 Read and understand this entire section before operating your machine. SAFETY INSTRUCTIONS ELECTRIC SHOCK can kill. • Do not touch electrically live parts such as output terminals, electrode or internal wiring. • Insulate yourself from the work and ground...
Page 17 - REAR CONTROL PANEL; I1: Off/On switch turns on the electric power to; LOWER CONTROL PANEL; Remote Control Connector
B-2 OPERATION B-2 REAR CONTROL PANEL (FIGURE B.1) • I1: Off/On switch turns on the electric power to the welder. It has two positions, "O" off, and "I" on. ------------------------------------------------------------ * W i t h " l 1 " i n t h e " I " ( O N ) p o s i t...
Page 18 - DYNAMIC LCD DISPLAY; USER INTERFACE OVERVIEW AND OPERATION:; II NN VV EE RR TT EE CC
B-3 OPERATION B-3 INVERTEC® V311-T AC/DC TIG The Invertec® V311-T AC/DC User interface con- sists of the following (Refer to Figure B.3): 1. DYNAMIC LCD DISPLAY 2. STATUS LED LIGHTS a. V R D O n ( V o l t a g e R e d u c t i o n D e v i c e ) Status Light - Voltage reduction device can be enabled fr...
Page 19 - YNAMIC; LCD D; ISPLAY; Weld Sequence Diagram
B-4 OPERATION B-4 D YNAMIC LCD D ISPLAY The Dynamic display is divided into several sections (Refer to Figure B.4): Figure B.4 1. The Weld Sequence Diagram shows the various parameters that can be selected and adjusted and t h e i r p r e s e t v a l u e s . A s t h e p u s h b u t t o n / r o t a r...
Page 20 - Mode Push Buttons and Indicators
B-5 OPERATION B-5 3. The Mode Push Buttons and Indicators show the current selection made by the corresponding weld push buttons (A-F). Refer to Table B.2 for a full list o f a l l p a r a m e t e r s a n d t h e i r r a n g e s . B e l o w i s a description of the function of each push button and d...
Page 21 - S p o t T i m e r -
B-6 OPERATION B-6 Bi-Level Current – (If Enabled from the Setup Menu) Depressing an arc start switch and releasing will initiate t h e a r c t o c u r r e n t l e v e l A 1 . D e p r e s s i n g a n d r e l e a s i n g t h e a r c Start switch again will toggle to cur- rent level A2. Each depressing...
Page 22 - WELDING PARAMETERS
B-7 OPERATION B-7 INVERTEC® V311-T AC/DC TIG WELDING PARAMETERS The following parameters are adjustable on the Invertec® V311-T AC/DC. (See Table B.3) Table B.3 Parameter Name Pre-Flow Start Current Finish Current Min. Current Upslope Downslope Spot Time Max. Current Pulse Frequency Background Curre...
Page 23 - USER MENU SET UP PARAMETERS
B-8 OPERATION B-8 INVERTEC® V311-T AC/DC TIG USER MENU SET UP PARAMETERS Many additional parameters can be modified via the Set Up Menu. To access the Set Up Menu press and hold the rotary encoder knob for several seconds until the following screen appears: (See figure B.7) FIGURE B.7 Rotating the e...
Page 24 - VRD; TABLE B.4 SET UP MENU PARAMETERS
B-9 OPERATION B-9 INVERTEC® V311-T AC/DC TIG 0 A2 VRD Selection/ * Default Value NA % * Amps % Amps* % * Amps % Amps* 15 amps* 30 amps* 30 amps* Enabled* Disabled Enabled Disabled* Square* Sine Triangle Enabled Disabled * Enabled Disabled * 0ff* Enabled to 12V Enabled to 20V Enabled to 30V 0 to 10 1...
Page 25 - SET UP MENU PARAMETERS
B-10 OPERATION B-10 INVERTEC® V311-T AC/DC TIG TABLE B.4 (Continued) SET UP MENU PARAMETERS Selection/ * Default Value Display Off Display in 7 Segment LED Display* Display Off* Display in 7 Segment LED Display Display Off* Display in 7 Segment LED Display Display Off* Display in 7 Segment LED Displ...
Page 26 - TIPS FOR IMPROVED TIG STARTING; Range; STICK CRISP MODE DYNAMIC CURRENT; Arc Force Control –
B-11 OPERATION B-11 TIPS FOR IMPROVED TIG STARTING 1. Start Current: For the best AC or DC TIG starting characteristics it may be necessary to adjust the start current on the front panel depending on the tungsten size. In gener- al, larger tungsten requires more energy to establish an arc than small...
Page 27 - ACCESSORIES; OPTIONAL ACCESSORIES; AND COMPATIBLE EQUIPMENT; K 8 7 0 - F o o t A m p t r o l; TIG TORCH STARTER KITS
C-1 ACCESSORIES C-1 OPTIONAL ACCESSORIES AND COMPATIBLE EQUIPMENT Field Installed K857 - Remote Output Control - For Stick welding. Portable current control provides the same range as the current control on the welder. Consists of a 6-pin connector which plugs into the remote control connec- tor. 25...
Page 28 - CABLE PLUGS; Cooled TIG torches –
C-2 ACCESSORIES C-2 CABLE PLUGS K852-70 - Cable Plug Kit for 1/0-2/0 cable. Attaches to welding cable to provide quick disconnect from machine. K1622-1 Twist-Mate adapter for PTA-9 & 17 Air- Cooled TIG torches – Adapter for PTA-9 or PTA-17 TIG torches with one-piece cable. The quick connect plug...
Page 29 - MAINTENANCE; SAFETY PRECAUTIONS; ELECTRIC SHOCK
D-1 MAINTENANCE D-1 INVERTEC® V311-T AC/DC TIG SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Have an electrician install and ser- vice this equipment. • Turn the input power off at the fuse box, disconnect or unplug supply lines and allow machine to sit for five minutes minimum to allow the power ca...
Page 30 - TROUBLESHOOTING; HOW TO USE TROUBLESHOOTING GUIDE; Local Lincoln Authorized Field Service Facility; CAUTION
E-1 TROUBLESHOOTING E-1 INVERTEC® V311-T AC/DC TIG This Troubleshooting Guide is provided to help you l o c a t e a n d r e p a i r p o s s i b l e m a c h i n e m a l f u n c t i o n s . Simply follow the three-step procedure listed below. Step 1. LOCATE PROBLEM (SYMPTOM). Look under the column lab...
Page 32 - Contact
E-3 TROUBLESHOOTING E-3 INVERTEC® V311-T AC/DC TIG Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical t...
Page 34 - ALARM ICON + ALARM CODE + ALARM TYPE ICON
E-5 TROUBLESHOOTING E-5 INVERTEC® V311-T AC/DC TIG The Invertec® V311-T AC/DC, when a fault condition is detected, displays on the graphics LCD an alarm notification composed of: ALARM ICON + ALARM CODE + ALARM TYPE ICON Exx When a fault condition is detected, the power source and the cooler are swi...
Page 35 - WIRING DIAGRAMS; IR
F-1 WIRING DIAGRAMS F-1 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag ram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for ...
