If the voltage L1L2 is 240 V and the voltage L1N is 120 V, the transformer is connected as a delta transformer.
Indicate whether the statement is true or false
Question 2
Why is a check valve installed in the suction line of the lowest-temperature coil in a multiple-evaporator system?
A) To allow the coil to be isolated from other evaporator coils when checking the operating of the evaporator pressure regulator
B) To prevent refrigerant migration from the higher-temperature-and-pressure coil to the lower-temperature and-pressure coil
C) To ensure that the refrigerant is completely vaporized before leaving the evaporator
D) To allow the service technician to check the operation of the system
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