ET 405 Reverse Cycle Refrigeration Training System

1 suction gas controller,  2 air-operated evaporator,  3 thermometer,  4 collector, 5 pressure controller,  6 manometer,  7 compressor,  8 voltmeter,  9 ammeter, 10 pump,  11 filter/drier,  12 tank (35% glycol, 65% water),  13 water-cooled condenser/evaporator,  14 expansion valve,  15 sight glass,  16 air-operated condenser,  17 fan speed controller