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Old 07-13-2011, 03:14 PM   #11
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Re: Electrical Monitoring System Installation (Surge Protector)

The problem with the basic EMS is when you hook up to a generator the "open ground" issue will not allow the current to flow. You have to bypass the EMS in order to get the electric to the converter. Without the remote and the bypass the switch this can not be done.
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Old 07-14-2011, 12:13 AM   #12
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Re: Electrical Monitoring System Installation (Surge Protector)

Quote:
Originally Posted by cpaharley2008
The problem with the basic EMS is when you hook up to a generator the "open ground" issue will not allow the current to flow. You have to bypass the EMS in order to get the electric to the converter. Without the remote and the bypass the switch this can not be done.
Thank you for bringing this up. I discovered this issue this very quickly when I first plugged my trailer into my Honda EU2000i generator which uses a "floating neutral" that causes this error. Since I like to have the current readout that the EMS provides when I am using my generator, I chose another solution. First I checked my generator to ensure that the ground of the duplex receptacle was already connected to the generator frame and found that it was. If it was not, I would have rewired the generator front panel so that it was. Then I took a standard grounded plug, like you would use to replace the male end on an extension cord, and wired the neutral and the ground together using a 1" piece of 14 gauge wire. I made a label that I stuck on the side of the plug that says "Neutral Bonded to Ground" so I wouldn't mistake it for a normal plug and put in back into one of my boxes of electrical supplies. When I am using the generator with the trailer, which is wired correctly and therefore does not have the neutral tied to the ground at the service entrance, I plug the modified plug into the unused side of the duplex receptacle on the generator and the EMS works just fine. I can still use the generator on applications where the neutral is bonded to the ground elsewhere by just not using the special plug. There are some generators that come with the neutral bonded to the ground at the factory, but there is usually a decal on the front panel that states so and there are instructions in the manual on how to remove it if required..
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Old 07-23-2011, 11:36 AM   #13
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Re: Electrical Monitoring System Installation (Surge Protector)

OR, you can just bypass with the remote switch and it will allow the power to flow, will it not?
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Old 07-30-2011, 11:22 PM   #14
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Re: Electrical Monitoring System Installation (Surge Protector)

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OR, you can just bypass with the remote switch and it will allow the power to flow, will it not?
You are correct. Using the remote bypass switch will allow the power to flow but you no longer have a real time readout of the current draw on the generator. When the bypass switch is used, the display simply reads "OFF".
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Old 05-26-2012, 12:50 AM   #15
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Re: Electrical Monitoring System Installation (Surge Protector)

Harold, we also have that Progressive Industries EMS now. There must be a standard installation method as ours is the very same as yours.

One thing we did not consider was the delay for the A/C. Maybe you do not have A/C. We will have to figure out if ours has the proper delay.

As you say, it is entertainment! We turned on various things and would check the amps. It was between 3/4 and 1 amp for each regular light. Thank goodness we have a big double LED in the middle of the trailer for boondocking. We plugged in two IPads and two phones to charge them and the amps with all of those together did not change. Microwave 15 amps though. We thought the water heater was using 3 amps but someone else said 2 amps so I guess monitors account for some of the 3. I expect it is too much trouble to disconnect the microwave monitor.

The EMS certainly tells you what you need for solar. Only the water heater has to be run, I guess, and maybe a monitor or two but that would call for more than one solar panel of 40w with 2.2 amps. So the EMS is helpful in addition to the protection for brown-outs and all. But, yes, entertaining to watch that monitor!
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Old 05-26-2012, 01:12 PM   #16
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Re: Electrical Monitoring System Installation (Surge Protector)

I meant to say that only the water pump has to be run but then I don't have all of this figured out yet.
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Old 05-26-2012, 07:43 PM   #17
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Re: Electrical Monitoring System Installation (Surge Protector)

There is one issue that may arise while on the EMS. If and when you hook up a generator you all see a fault code, "open ground" and the EMS will not allow the generator to connect to the trailer. This is because all generators are not grounded and the ground wire is open. You can either bypass the EMS with your remote or create a grounding plug by connecting the ground to your neutral within the plug. If you are not an electrician I'd suggest you contact one. Again any advice given here should not be relied upon without contacting an expert. As gar as the a/c relay, there is a jumper that Mr. Palmer can instruct to set the delay to, if my memory is correct 150 seconds?
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Old 05-26-2012, 10:31 PM   #18
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Re: Electrical Monitoring System Installation (Surge Protector)

Thank you, Jim. We do not plan to have a generator but solar instead, however, it is a matter of interest for resale, if we do not remove the EMS.

I believe the delay is 2 minutes 16 seconds (if the A/C has a delay then 15 seconds is used, I think). The installer certainly seemed very familiar with this and I hope has done what was necessary. We will look into it further and make sure. Nothing like finding out that your A/C protection is not there at all, after the big storm.
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Old 05-27-2012, 08:18 AM   #19
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Re: Electrical Monitoring System Installation (Surge Protector)

Now that I see it is an installation that is accessible, I'll probably get one also. I have the portable unit that just plugs in and does the same because I had several trailers, but now that I'm down to one I like the permanent set up. Anyone want to buy a portable unit, discounted?
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Old 05-27-2012, 11:43 AM   #20
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Re: Electrical Monitoring System Installation (Surge Protector)

Quote:
Originally Posted by Floating Cloud
One thing we did not consider was the delay for the A/C. Maybe you do not have A/C. We will have to figure out if ours has the proper delay.
The Dometic 6003 series air conditioner that comes with the Escape 19 does not have a built in time delay to stop it from restarting immediately after a power interruption. From the Duo-Therm Operating Instructions:

H. Compressor Non-Time Delay Models:
When the 6003XX Series Air Conditioners are turned on and the thermostat calls for cooling, the fan and compressor start at the same time. After shutting the air conditioner down manually by either the selector switch or the thermostat, always wait at least 2 to 3 minutes before turning the air conditioner back on. This allows the refrigerant pressures in the air conditioner to equalize so the compressor may restart.


Therefore the 136 second delay would be the correct choice rather than the factory set 15 second delay. To change the delay, move the time delay jumper on the circuit board.
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