11
DUTY CYCLE & OVER-HEAT PROTECTION
The HTP MIG 200i is designed for the maintenance welder. It has the ability to weld a lot of different materials and a
great variety of thicknesses. Thicker material, depending on type, temperature, etc. may require multi-pass welds.
Duty cycle ratings can be confusing, but we want to make duty cycle less confusing. An 80% duty cycle means that,
out of a 10-minute time span (duty cycle is always a 10-minute time span, per definition, and this never changes), the
machine can weld for eight (8) minutes and then needs to idle with the cooling fan running for two (2) minutes. Do
not turn off or unplug the machine during this time.
However, these numbers change with the selected welding amperage and the ambient temperature. In reality, very few
can keep track of welding time like this so we equipped the MIG 200i with very sophisticated over-heat protection.
The machine monitors the temperature of several vital internal components. Just before temperatures venture outside
the safe operating range, the cooling fan continues to run and the welding output is shut down for four (4) minutes.
This time allows the machine and internal components to cool down to a safe operating temperature. There is no harm
to the machine when the message is displayed, and it does not matter how often this happens. There is no way to
override this function.
Fig. 5
Summary of Contents for MIG 200i
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