A box solenoid valve used in a refrigeration system should be installed in what manner? |
A) upright, controlled by a thermostat sensing evaporator superheat, and upstream of the thermal expansion valve |
B) upright, controlled by a thermostat sensing the temperature of the box, and upstream of the thermal expansion valve |
C) with the axis of the solenoid horizontal, controlled by a thermostat sensing the temperature of the box, and upstream of the thermal expansion valve |
D) upright, controlled by a thermostat sensing the temperature of the box, and downstream of the thermal expansion valve |