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The discharge of walk-in cooler refrigeration system (2)
author: supermarket refrigerated showcase category: walk-in display coolers Views: 520Time: 2016-08-22
The discharge of walk-in cooler refrigeration system (2)
refueling during operation The new series of products have a three-way oil drain valve, and the compressor can realize refueling without stopping.
(1) Put the oil drain two-way valve at the operation position (the valve core should be fully retracted), unscrew the outer channel screw plug, connect the oil filler pipe, and the oil pipe leads to the oil container. The oil level of the walk-in cooler oil container should be higher than that of the crankcase.
(2) Close the suction valve so that the crankcase pressure (ie low pressure value) is slightly higher than OMPao. Rotate the oil drain three-way valve spool forward (right) a little bit and place it in the drain position to let the crankcase inside The oil flows out, driving away the air in the pipe. Then quickly turn the spool forward (right) to the limit position, that is, at the oil filling position, the oil in the oil container is sucked by the pump.
(3) When the oil is added to the required oil level, turn the oil three-way valve to the operation position . Then remove the tubing and adjust the device to normal operating conditions.
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