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02-05-2017, 09:55 AM #1
heat Pump low and hight pressure switch
hello all,
ı am a student wand I am studing on a heat pump design.
I have a sample design wiith ı dont understand points.
Could anyone help me ?
First as you can see fom attachment , there are 2 ballvales, one of them is for gas entry and I know that it should at side of low pressure. the second balvalve for what I dont know?
Secondly, again as you can see from attacment picture there is low and hight prssure swtich( I have marked with red cicrle.) these low and hign pressure switches are connecting tube which is gas entry side coming from balvallve. I would like to ask that how thsses pressure switches work exactly?
Thanks .