Q: General maintenance in order to prevent ice blocking all want to add some methanol, what need to add, please?When to add?How to add?
2019-09-27
A: Fix refrigerator is strictly not allowed to add methanol, it can prevent the ice blocking, but harmful to the compressor and pipeline system, as long as you pay attention to in maintenance and operation is generally not ice wall, blocked no way is really add a little bit of methanol, as the beverage bottle cap 1-2 cover,Can't add much. Generally speaking, the vacuum, when after add up to make refrigerator system into a small amount of refrigerant to work for a few minutes and then half an hour of pumping air into vacuum state,After being smoked finish formal refrigerant injection.
Ice wall after a day or two it should be plugged in maintenance, if capillary frozen added also useless, methanol is usually in advance to prevent freezing, methanol is not pure, with water, after joining the fridge or blocked.Now the filter inside quality of molecular sieve as before, and quantity, perfunctory.
Nitrogen is the best way to break into the 0.8 MPA, the casing with 100 w bulb heating evaporator, with hai