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Cooling unit for easy, fast, and convenient coolant filling with integrated LED lighting for cooling liquid levels. Suitable with Master M 205/323 and Minarc T 233 power sources.
Straight answers to the questions people ask when choosing and looking after a water cooler made for a particular maker's welding machines.
It is the amount of heat, normally given in watts, that the cooler can carry away from the circuit. It is only meaningful alongside the coolant flow rate it was measured at, because capacity depends on the flow through the system and on the surrounding air temperature.Flow in turn depends on the length of any interconnecting cable, the torch hose length and the hose bore. When comparing coolers, look at the capacity quoted at the same flow, and choose one comfortably above what your torch needs. The torch and welder manuals give the figure to aim for.
Switch the welder off first, and let the coolant cool down if the machine has been running. Disconnect the coolant hoses at the quick connectors, and fit the plastic sealing caps or plugs supplied with the torch to the torch hoses so coolant does not run out. Keep a container and cloth handy for the connectors on the cooler side.Coolant on the floor or on the machine is also an electrical hazard, so wipe up spills straight away. Follow the maker's instructions for your torch and cooler, as the order of steps can differ.
Stop welding, switch the machine off and isolate it from the supply. Coolant leaking near live parts or onto the floor is an electrical shock hazard, and a leaking torch can also be a sign that it is overheating.Look for the source before you restart: loose or damaged hose connections, a split or ballooning hose, or a cracked fitting. Replace any damaged hose or torch part rather than taping it. After repair, run the cooler and check every connection for leaks with coolant flowing before you strike an arc.
No. Use the coolant the maker specifies for the cooler. Some makers say not to add water to a ready-mixed coolant, and not to use car antifreeze or ethanol-based mixtures, which can damage the pump and block narrow passages. Topping up with the wrong liquid also upsets the corrosion protection and the freeze protection.If the level is low, fill with the same type of coolant, up to the maximum mark on the tank and no higher. If you are unsure what is in the cooler, check the manual or drain and refill rather than mixing.
