The coil temperature measured at the expansion valve sensing bulb of an operating system is 10°F. The low side pressure with the compressor running a...

Question

The coil temperature measured at the expansion valve sensing bulb of an operating system is 10°F.  The low side pressure with the compressor running as shown on the gauge illustrated indicates 15 psig.  What adjustments or changes, if any, should be made to the system?

Accepted Answer

The expansion valve should not be adjusted, as the degree of superheat is within the accepted range.

Engine 2014: General Subjects

The coil temperature measured at the expansion valve sensing bulb of an operating system is 10°F. The low side pressure with the compressor running as shown on the gauge illustrated indicates 15 psig. What adjustments or changes, if any, should be made to the system?

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