Videos

The readings indicate that the suction pressure is high, around 152 PSI, with an 80-degree return. The temperature split is only 10 degrees, and the unit is running too warm with low subcooling. When Eric pumps the charge down, he notices that his meter stalls out a bit. Then, he shuts off the blower and […]

Several components hook straight up to the control, including the suction pressure transducer and electronic valves. The control should also be able to read suction pressure, coil temperature, and return air temperatures. Accessory boards can also hold a few connections, such as to more electronic valves and sensors. Eric verifies that all of those boards […]

Before Eric went to work on the motor, it had burned out, was replaced, and burned out again. He also notices insect nests in the panel, the contactor in the supply airstream, a missing keyway, and an oversized breaker, which are all less than ideal. The pulley also cannot spin and is in poor shape […]