WebJun 14, 2009 · I always pull #8 thhn on 40 amp breaker because the strips are rated 7500 watts @240v 31 amps, add 125% for continuous load (which i dont think they would be continuous because they are aux heat strips) and im still under 40 amps. Never had any problems 10+ years until lately ac contracter wants them on 50 amp breaker my guess is … WebMost heat pump systems are outfitted with electric heat strips – at least one, anyways. When purchasing a new heat pump, furnace, or air handler, you may have to choose a …
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WebJan 10, 2014 · Needless to say, 5 KW pulls 20 amps at 240V. The amp draw is solely dependent on applied voltage, and airflow issues don't affect the current. Sometimes the close proximity of wires can affect the meter and give an erroneous value. Either that, a faulty meter or... ..solar flares. Reply 01-10-2014, 07:01 AM #3 shellkamp Professional … WebSep 20, 2024 · Here’s the formula: Volts x Amps / 1000 = Heat Strip Kw. Measure actual voltage and actual amperage at the heat strips, and then apply the formula. Next, multiply the measured Kw by 3413 to get true heat strip BTU. Then compare the true Kw BTU to the equipment or system delivered BTU to find field efficiency. How many Btus is a 10 Kw … iron fist aps
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WebFeb 25, 2016 · With all that said is it all right to run a #4THHN and install 90A Fuses. Also I am running one feeder and using the tap rule to tap a #10 thhn for 5kw heat strip on 30A breaker in unit and #6 thhn for 10KW heat strip on 60A breaker in unit. I do not have room to install a panel and use branch circuits to unit and not comforable with the tap rules WebMar 3, 2024 · If you have your average 240 volts 2 kW air handler, you will need a 30 amp breaker and a #10 electrical wire. Wire gauges are measured in diameter based on the … WebAug 23, 2024 · How many amps does a heat strip pull? 5Kw heat strips typically are installed with 240v supply voltage and pull at most 20a. Installing a 25amp breaker or a 20 amp breaker should spare you the trouble. How many amps is a 5.5 kW heater? If your heating element is in good shape, it should be between 4.0 and 5.5kw. iron fist card ro