. Installation and troubleshooting of pump seals. Vernier calipers, micrometers, ... frequency drives. Cooling tower water treatment controls and chemical ... . Testing of contract current generator circuits and set level detector circuits. ... Diagramming and assembling electronic circuits using specific components. Testing ... the oscilloscope. Testing electronic circuits used on current production heat pumps. ... 3 Credits 3 Periods Properties of water, pressure distribution in hydronic ... flow in pipes, pressure drop/head loss, pumps in hydronic systems and pressurization ... and pressurization equipment. Chilled water systems and low and high temperature ... water systems. Prerequisites: HVA112 and ... air conditioning including all-air, all-water (hydronic) and air-water combination ...
for specific situations. Heat pumps: their operation, controls and metering ... of energy balance. Identification of electrical malfunctions. Safety stressed. ... control, and metering devices for heat pumps and package air conditioning systems. ... used with DX cooling and gas-fired and electric heating equipment. Troubleshooting ... techniques, local gas and electric codes, and safety precautions. ... of energy balance, identification of electrical malfunctions, and proper refrigerant ... of operation, wiring diagram and electrical components associated with industrial ... equipment. Procedures for evaluating electrical problems. Safety stressed. ... diagrams, wiring systems and checking electrical circuits. Troubleshooting electrical ... . Installation and troubleshooting of pump seals. Vernier calipers, micrometers, ...