When connecting gauges to an already installed and operating unit with split-system installation valves, the installation valves should be:
A) Frontseated to allow the gauges to read the system pressures.
B) Left alone.
C) Backseated as tightly as possible to prevent refrigerant from escaping.
D) Moved to the mid position to allow the gauges to read the system pressures.
B
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Answer the following statement true (T) or false (F)
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