The illustration of the manifold meter--the pressure circuit of high and low pressure pipe

Published:2011/7/11 22:25:00 Author:Borg | Keyword: manifold meter, low pressure | From:SeekIC

(1) cooling systemClose the 2 hand stop valve of the manifold pressure meter, connect the high pressure(red) and the low pressure(green) pipe with the according filler openings respectively, the yellow filler pipe is connected with the pump entrance, start the pump, then open the valves, when the low pressure meter indication is lower than -0.O9MPa(-740mmHg pillar), it means the pump should run for 10m more, then close the valves and keep the state for 30m, if the low pressure meter is not coming back, it mean the system has not leakage, so it can be filled with R-12, or the leakage spot should be tested.



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