My question is How can I connect this if it does not have a second wire for the 220?
Live in Mexico, we use 4 wire, two 110 hot lines, one neutral and one ground.
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This is cheap Chinese unit off of Amazon Marketplace, which is a 3rd party marketplace similar to eBay where you are buying from random 3rd party sellers. . Marketplace results are seamlessly blended with true "Sold by Amazon" results, and you can't tell the difference unless you know where to look.
Anyway, Mexico is under El NEC, and NEC 110.2 requires using equipment approved by a recognized independent testing lab such as UL or CSA. I can tell just by looking at it that it's not approved, because they won't approve it without a ground wire in the cable.
So back to Amazon it goes, unfortunately. I know the prices there are very enticing, but not only is that gear illegal and unsafe, it's also very poorly made so you're not going to get your money's worth.
The instructions are assuming you are in a "230V single-phase" country like Europe, Asia, Africa or random places in South America. North America and a few border countries are 110/220V split-phase countries, with 220V on the two hot wires and 110V from either hot to neutral.
If it were legitimate, you would connect the two supply wires to the two hots, and safety ground to safety ground.
The USA and Canada did a voltage bump to 120V/240V, but many still call it 110V.