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07-01-2015, 07:05 PM #1
Spectrum SB 30 full of ***** but running in a vacuum
I am working on a spectrum that has the rear unit disconnected. The unit has a newly rebuilt throttling valve on it and I just charged it. The unit is full of ***** but it is running in a vacuum. The high side pressure is stable around 135psi and the low side is in a vacuum. It is cooling but only at a -7* differential.