Question about HP Electrical Supplies
Goodman HKP-20C 2 45amp breakers. old one was 20 kw with 1 60 amp breaker. are there any alternative wiring options rather than long run such as second 6g wire from cutout to second breaker.
You need a Goodman SPW-01 Single Point wiring kit.
You can find them on alpinehomeair.com .
Description as follows:
The SPW-01 single point kit creates one power supply for heater kits with two circuit breakers. It is compatible with heater kits HKR-15C, HKR-20C, and HKR-21C when installed in a single-piece Goodman brand air handler or modular blower. Use this kit when you have a single 240 Volt line powering your equipment.
Included in the Goodman SPW-01 Box:
Posted on Feb 02, 2019
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Posted on Jan 02, 2017
Typical H2O heater with 4500 watt elements should draw around 18 amps. Check to make sure the connections for the wires at the breaker are tight, loose connections will cause the breaker to heat up. If all of this is good and the breaker is still heating up, it is time for a new breaker.
Posted on Jun 12, 2008
SOURCE: Main breaker tripping
replacing the main is a possibility and i saw someone suggestion to ck load on each leg of power , also a good idea but one thing i have also seen do this is a loose or corroded connection in the meter base or disconnect which causes a process called electrolysis that is a flaking away of the conductor itself in the meter base or disconnect feeding the panel main breaker and causing heat build up internal to breaker and making it trip but if you replace the main that is the time to check all these connection and it would not hurt to apply a little no lock or some other brand of oxidation inhibitor
Posted on Feb 07, 2009
I am an electrician. You must measure the voltage across the black and red wires. Measuring each wire to the neutral will not cut it. If both your red and black wire are on the same phase the heater will not work.
To double check your wiring, measure the voltage across the two screws feeding your subpanel, they should be 240v or 208v depending on your power company. Then do the same at the breaker feeding your thermostat. Again it should read 240v.
If you have no potential across the screws it is possible that you installed an incorrect breaker. Not all breakers with two screws on them are 240v breakers. There is what is called a twin or split breaker that has two screws that are on the same phase. These are for wiring two 110v circuits, when you run out of spaces in the panel.
Double check everything. This is a relatively easy circuit to wire, even for homeowners. If the heater does not work them something is wrong so do not leave the circuit energized.
Posted on Mar 16, 2009
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