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6 About Coolant
Please use glycol type coolant（Other salt and alcohol antifreeze may corrode metal parts such as
welding torch and pump）.
CAUTION：
When us ing t he co olant, pl ease us e t he sa me br and o f c oolant f rom t he sa me manufacturer. I t i s
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forbidden to mix the coolants from different manufacturers.
Please c hoose t he coolant acco rding t o t he l ocal minimum t emperature，The f reezing point of the
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coolant should be 10 ℃ lower than the minimum temperature of the service environment.
Periodic replacement of coolant is required，inorder to avoid fouling in the coolant tank.
Glycol coolant
Empty the tank and pipes if the unit is to be left unused for a long period.
Some components in the coolant can settle in t he coolant pipes,which ca n cause t rouble rotating t he
pump.
Method of removing cooling liquid.
Use co mpressed ai r t o bl ow t he co olant i nto t he co olant t ank f rom t he co olant i nlet and out let of t he
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device；
Remove co olant t ank，pour out t he co olant，clean t he i nside o f t he co olant t ank w ith cl ean w ater，
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invert the coolant tank for a moment，cover the box，place the coolant tank into the unit.
Once a year
Do not drink the coolant and l et the coolant contact the eyes or other
parts, otherwise there may be diarrhea, poisoning and other risks.
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