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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
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
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 Once a year
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 compressed air to blow the coolant into the coolant tank from the coolant inlet and out let of the
device
；
○
Remove coolant tank
，
pour out the coolant
，
clean the inside of the coolant tank with clean water
，
invert the coolant tank for a moment
，
cover the box
，
place the coolant tank into the unit.
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.
