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in heating season what is the best method of adjusting and/or charging system. I do not get the subcooling readings in heat mode that unit is requiring but pressures are accurate. learning everyday...

while performing heat check upon arriving at heat pump the coil was frosted in sections and the distributor lines were frosted upto liquid line port. pressure was lower that normal. again check is in...

hello guys I've just been in industry 6 months and need 1more semester to complete degree in hvac. learning everyday and seeking advice to accelerate experience