Mac Afric MMA 315G, User Manual

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14
OPERATION INSTRUCTION
1. Open the power switch, screen will show set current volume and ventilator is beginning to revolve.
2. Adjust knobs of welding current and arc-striking push, make welding function complies with
demands.
3. Generally, welding current is adequate to welding electrode according with as following.
Specification
（
mm
）
Φ1.6 Φ2.0 φ2.5 φ3.2 φ4.0 φ5.0 Φ6.0
Current
（
A
）
25~40A 40~65A 50-90A 90-130A 140-210A 190-270A 260~300A
4. Knob of arc-striking drive is use to adjust welding function, specially in low current arrange, that is
cooperated with knob of welding current adjustment, they may adjust current of arc striking and be
out of control of knob of welding current adjustment .So machine can grain powerful energy and
push current can achieve effect that may .
5. If the anti-shock device is installed in the machine. When the switch of back panel is put "ON"
position, the VRD indictor is lit, and when the switch is put "OFF" position, the VRD indicator is off,
then the no-load voltage is 60-70V. Switch of VRD is put inside the machine, with the "on" condition.
the no-load voltage changes to be less than 15V, which is safe for people.
6. Hot initiation: Heavy current, perfect effect, striking easier.
WARNING!
Before connecting operation please make sure all the power is turned off. The right
order is to connect the welding cable and ground cable to the machine first, and make
sure they are firmly connected and then put the power plug to the power source.