The best way to adjust a CPR valve is by ____.
A. adjusting the low pressure control
B. measuring the temperature drop of the air through the evaporator
C. adjusting the CPR to produce an amperage draw of the compressor motor to the motor nameplate rating plus 10%
D. adjusting the CPR to produce an amperage draw of the compressor motor to the motor nameplate rating plus 25%
Answer: C
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