Question about Heating & Cooling
The furnace is hard wired to the breaker box
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Posted on Jan 02, 2017
Using the Hz meter you can adjust the governor throttle screw to raise or lower the engine speed
to get an optimum 60-62 Hz setting. You may want to load your generator with the most
common load you will be using and then adjust the screw to give you an adjustment within the
60-62 Hz range. If you set it too high, then it means you are running the engine faster than
need be and will add to premature or serious engine damage to the internal parts. It is
mechanically governed to maintain the proper engine speed once it has the standard setting in
place. Do not attempt to adjust this governor throttle adjustment screw without the proper tools
available. You can not do it by ear! If you do not have a Hz meter or tachometer available, then
you can use a conventional electric clock with a sweep hand for seconds. If you plug the clock
into the generator, a proper engine speed would make the clock do a minute in exactly 60
seconds against any other timing device. If the clock takes longer to do a timed minute, then the
engine speed is too slow and you need to raise the engine speed; turn the governor throttle
screw clockwise. On the other hand, if your clock does a minute in less than a normal clock
minute, then you need to lower the engine speed, turn the governor throttle screw counter
clockwise. Now you should have a good setting for your generators frequency setting. It is best
to do a frequency setting before doing any voltage adjustment.
I did this today and my Goodman fired right up after two days of frustration!
Posted on Dec 07, 2009
For sure turn off the power at the breaker!! Now as far as the new board, usually the new board will be a new modified replacement, the wiring will be different from the original. It is very important to follow the installation instruction that come with the new board, if you go step by step, it will be ok. Just don't be surprised when you find that the new one is not exact. It is all in the name of improvement, follow the install manuals, step by step. As a 30 year Heating and cooling tech, it was very worrisome when they started doing this, but as long as you have a board that matches the brand and model of your furnace, it will be ok.
Posted on Mar 31, 2010
It sound alright but You should draw out a wiring diagram on paper first before you tackle the job that way you know you're doing it right.
Good luck Dickson
Posted on Nov 04, 2010
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