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Old 08-02-2021, 10:42 AM   #1
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Shore Power

I am still new to rving and have a general question. I have a 2021 Tiffin Phaeton 37BH. I have the luxury of having a 50 amp power source at my outdoor storage pad at my home. I am planning to keep my coach connected when it is not in use. Is this smart and will it harm anything? Also we are in a temperate climate, North Carolina, where it can have short freezes. Can I leave the heat on in the cold weather and avoid winterization as we have family in the Deep South that we will visit year round.

Thanks, I hope this is not a stupid question.
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Old 08-02-2021, 10:57 AM   #2
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YES you can leave it plugged in to the 50A outlet
Yes you can run the furnace to keep RV warm.....just set for lowest temp on t-stat

***and as precaution---drain water heater , fresh water tank and open low point drains/open faucet
No need to pump anti-freeze just drain and use furnace
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Old 08-02-2021, 12:01 PM   #3
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If using wet cell batteries for the house side, keep an eye on water levels, and any tell tale signs of overcharging, mainly smell and corrosion on battery tops. Most three stage chargers will handle things fine without overcharging.
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Old 08-03-2021, 11:49 PM   #4
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We leave our current DP and our last two DP's constantly hooked to power (20 amps), while parked at home. We also leave the residential refer on the entire time. I'm guessing your coach probably has AGM batteries, which means you really have nothing to maintain, other than winterizing if necessary. If you have lead acid batteries, I found they needed water about every 30 days, even with the charger set correctly and the installation of a battery watering system.

Lastly, keep an eye out for rodent issues, as they can do a lot of damage while parked for long periods of time. I've had good success with one of the double frequency electronic deterrent devices, plugged into a storage bay outlet.
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Old 08-04-2021, 06:03 AM   #5
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I live in south Alabama and also a temperate climate but it can get cold for short spells in the winter. If I'm not going to use it during those time I do winterize but not with antifreeze. Besides OB's suggestions, I blow out the lines with my compressor. I set the regulator to 20-30psi and open faucets, flush toilet/s, and open low point drains. To prevent waste tank smells I'll pour a bit of water, or maybe mineral oil in the toilet.
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Old 08-04-2021, 06:04 AM   #6
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Quote:
Originally Posted by chunker View Post
I live in south Alabama and also a temperate climate but it can get cold for short spells in the winter. If I'm not going to use it during those time I do winterize but not with antifreeze. Besides OB's suggestions, I blow out the lines with my compressor. I set the regulator to 20-30psi and open faucets, flush toilet/s, and open low point drains. To prevent waste tank smells I'll pour a bit of water, or maybe mineral oil in the toilet.
EDIT adding, Turn the WH OFF on the outside of the device.
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Old 08-04-2021, 08:50 AM   #7
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No problem! We leave our MH connected when at home. We set the heat on 50 degrees in the winter and the A/C on 80 degrees during the summer!

One caution! If you have wet-cell batteries you should check them about once a month and add water as needed!
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Old 08-04-2021, 08:55 AM   #8
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Concerning the "can I leave it plugged in 24/7":


Yes, IF (yes IF) you have a smart charger or smart inverter charger and it has been programmed properly.


Programming includes telling it:
*Size of battery bank (in amp-hrs @ 12 VDC)
*Battery technology (wet cell, AGM or gel
*Temperature (unless yours is fit with the optional battery temperature sensor. If no optional temperature sensor, you will, at a minimum need to re-program this with the seasons.



And, if wet cell, check battery water level every month or so.
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Old 08-04-2021, 10:04 AM   #9
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Shore Power

You said you had a 50amp source, just be sure it is not set up for a welder. RV 50 plug is set-up as 2 each 120 volt 50 amp circuits not 220 volts.
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Old 08-04-2021, 10:14 AM   #10
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I've had a Super C, a DP, and now a TT. I keep them connected at all times, on 50 amp for the MH models and now 30a on the TT. The main thing is to remember to check the water in your house batteries around monthly if you have wet cells.

50a is 220. RV 30a is 110 and welder 30a is 220. I've been welding most my life and I've never seen a 50a welder, but that sounds cool!
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Old 08-04-2021, 11:21 AM   #11
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Originally Posted by waroland View Post
You said you had a 50amp source, just be sure it is not set up for a welder. RV 50 plug is set-up as 2 each 120 volt 50 amp circuits not 220 volts.
50A is 240V....2 separate 120V Hots, 1 neutral, 1 ground
Whether for RV or Welder Or Dryer etc

Issue is 30A
Can be 240V....2 hots and 1 neutral
Can be 120V.....1 hot, 1 neutral, 1 ground
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Old 08-04-2021, 11:25 AM   #12
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Quote:
Originally Posted by Old-Biscuit View Post
50A is 240V....2 separate 120V Hots, 1 neutral, 1 ground
Whether for RV or Welder Or Dryer etc

Issue is 30A
Can be 240V....2 hots and 1 neutral
Can be 120V.....1 hot, 1 neutral, 1 ground



CORRECT. 50 amp house and RV are the SAME (two hots, L1 and L2; one neutral and one ground).


30 amp house is often NOT THE SAME with two hots and a ground where an RV 30 is ONE hot, one neutral and one ground).
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Old 08-04-2021, 11:30 AM   #13
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30 amps is just a bigger 20 amp plug.

https://www.rvtechmag.com/electrical/chapter3.php
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Old 08-04-2021, 06:31 PM   #14
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Quote:
Originally Posted by wolfe10 View Post
Concerning the "can I leave it plugged in 24/7":


Yes, IF (yes IF) you have a smart charger or smart inverter charger and it has been programmed properly.


Programming includes telling it:
*Size of battery bank (in amp-hrs @ 12 VDC)
*Battery technology (wet cell, AGM or gel
*Temperature (unless yours is fit with the optional battery temperature sensor. If no optional temperature sensor, you will, at a minimum need to re-program this with the seasons.



And, if wet cell, check battery water level every month or so.
Exactly....smart charger is the key.
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