Engine: Expired / Refrigeration AC

1. A The heat load will increase by increasing the amount of recirculated air.
2. B The room thermostat controls the wet bulb temperature of the air conditioned space.
3. C System cooling is the direct result of the Freon circuit of a direct type air conditioning unit.
4. D The duct thermostat determines the amount of water flow circulating through the cooling coil.

Tip: press A-D to answer