Engine: Refrigeration AC

1. A Both valves operate in exactly the same manner, only the manufacturer's terminology is the differentiating factor.
2. B A solenoid valve can only be installed in liquid lines.
3. C Solenoid valves are only used in low voltage refrigeration control systems, while modulation valves are used in high voltage applications.
4. D A liquid line solenoid valve is either completely opened or closed, whereas a modulation valve is infinitely positioned according to the strength of the applied electrical signal.

Tip: press A-D to answer