Gysarc 300 TRI - Welding machine GYS - Free user manual and instructions
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| Brand | GYS |
| Model | Gysarc 300 TRI |
| Product type | Three-phase inverter arc welding machine |
| Welding processes | MMA (stick electrode), TIG-LIFT (tungsten inert gas welding) |
| Power supply | Three-phase 400V +/- 15%, 50-60 Hz, 16A plug type EN 60309-1 |
| MMA welding current range | 30 - 300 A (depending on electrode diameter) |
| TIG welding current range | 5 - 300 A (depending on tungsten electrode diameter) |
| Protection rating | IP23 (outdoor use possible) |
| Operating temperature | -10°C to +40°C |
| Storage temperature | -20°C to +55°C |
| Maximum humidity | ≤ 50% at 40°C, ≤ 90% at 20°C |
| Maximum altitude | 1000 m above sea level |
| Main settings | Welding current, Arc Force, Hot Start, MMA/TIG mode selection |
| Special functions | VRD (voltage reduction device <20V), Anti-Sticking, manual remote control (optional) |
| Display | Digital displays of voltage and current |
| Ventilation | Temperature-regulated ventilation, thermal protection with orange indicator light |
| Electromagnetic compatibility | Class A (industrial use), compliant with IEC 61000-3-11 |
| Supplied equipment | Power cable with 16A plug, carrying handles |
| Recommended maintenance | Regular dusting with compressed air, annual check of connections by qualified personnel |
| Warranty | 2 years (parts and labor) against manufacturing defects |
| Country of origin | France (manufactured by GYS, Saint-Berthevin) |
Frequently Asked Questions - Gysarc 300 TRI GYS
What types of electrodes can I use with the Gysarc 300 TRI?
You can use all types of stick electrodes: rutile (E6013), basic (E7018), cellulosic (E6010), stainless steel and cast iron. TIG mode requires a tungsten electrode and shielding gas (Argon).
How to adjust the welding current in MMA mode?
Use the central knob (FIG 2 - 11) to adjust the current. The set value is displayed on the right display. Refer to the intensity table according to the diameter and type of electrode (page 10 of the manual).
What to do if the orange thermal protection light turns on?
The orange light indicates that the thermal protection has triggered due to overheating. Leave the device plugged in and wait about 2 minutes for the light to turn off, then resume welding. Ensure the ventilation slots are not blocked.
How to activate the VRD (voltage reduction device) function?
By default, the VRD is activated (ON position). To deactivate it, open the side panel of the generator (after disconnecting the power) and toggle the red switch on the control board. The VRD indicator on the HMI lights up when active.
Can I use an extension cord with this machine?
Yes, but the extension cord must have a minimum cross-section of 2.5 mm² for a length less than 45 m (for the GYSARC 300 TRI). Use an extension cord compliant with national standards and compatible with 400V three-phase.
How to connect the manual remote control?
The remote control (option ref. 045675) connects to the 7-pin female connector (FIG 1 - 4). Press the activation button (FIG 2 - 8) to activate it; the ON indicator lights up. The remote allows varying the current from 50% to 100% of the set value.
What is the difference between MMA and TIG modes?
MMA mode (stick electrode) is for manual arc welding with a consumable electrode. TIG-LIFT mode uses a non-consumable tungsten electrode and inert gas (Argon) for precision welding. Selection is made via the MODE button (FIG 2 - 9).
What to do in case of unstable arc in TIG welding?
Check the preparation of the tungsten electrode (correct sharpening, appropriate diameter), the gas flow (6-10 L/min according to the table), and the absence of drafts. Ensure the ground clamp is properly connected to the positive (+).
How to maintain my Gysarc 300 TRI?
Turn off the power and wait 2 minutes. Remove the cover and dust the interior with compressed air. Have the electrical connections checked annually by qualified personnel. Regularly check the condition of the power cable.
Can I weld outdoors with this machine?
Yes, the IP23 protection rating allows outdoor use, provided the device is protected from direct rain and sunlight. Do not use it in heavy rain.
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