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08-06-2020, 12:14 PM
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#1
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Member
Tiffin Owners Club
Join Date: Mar 2017
Location: Albuquerque, NM
Posts: 61
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Inverter on 24/7/365
We have a Tiffin 33AA with a Magnum MS2000 inverter. While in storage, I want to have a 100 Watt solar panel hooked up to keep the house batteries maintained and to keep the inverter on 24/7/365. I want to do this so I can keep my pest control units plugged in to keep the little critters away.
We have these and they work great.
VictorŽ Ultra PestChaserŽ https://www.victorpest.com/victor-ultra-pestchaser-m793
My other option is to leave the main inverter off and use a small inverter just for the pest control units.
Any suggestions?
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08-06-2020, 12:35 PM
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#2
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Senior Member
Join Date: Sep 2019
Posts: 233
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Personally I would use a small cheap inverter and save the expensive one for more important things.
theboondork.com
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08-06-2020, 01:14 PM
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#3
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Senior Member
Join Date: Jul 2018
Posts: 2,812
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Just having a 2000 watt inverter on can draw 30+ watts, not sure a single 100 watt panel would supply that and run pest chasers. Agree that you should buy small inverter with just enough power to run the pest chasers and shut your big inverter and all other loads off. A 100 watt panel will only supply about 35 a/h a day in good conditions, so you need to know if your total load is less than that.
__________________
Foretravel tag axle 40 ft. 500 hp/1550 ft/lbs ism 1455 watts on the roof. 600 a/h's lithium down below.
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08-06-2020, 01:57 PM
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#4
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,659
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I nearly always left my Xantrex 2500 inverter powered on, but our coach always had shore power. Since you are relying on solar, I'd say you need to measure the DC amp draw when the inverter is on and powering those pest control devices. That will tell you if your power draw is outstripping what the solar can supply.
A smaller inverter might reduce the inverter overhead somewhat, but may not be enough to make the needed difference.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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08-06-2020, 03:15 PM
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#5
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Senior Member
Monaco Owners Club
Join Date: Oct 2009
Location: Tucson, AZ
Posts: 6,572
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Our inverter is on 24/7 and it's not a problem. Actually, heat cycling from cold to hot is more likely to cause a failure.
However, I'm not sure your 100 watt panel will keep up. On a perfect day with 100% efficiency your panel is producing up to 7 amps for a couple of hours. More likely it's producing about 5 amps for two hours and 1-2 amps for a couple more hours.
__________________
97 Monaco Windsor- Sold
07 Monaco Executive McKinley- Sold
04 Monaco Signature Chateau IV
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08-07-2020, 09:26 AM
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#6
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Senior Member
Entegra Owners Club
Join Date: Jun 2004
Location: Bayfield, Ontario
Posts: 5,465
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Quote:
Originally Posted by cvretis
We have a Tiffin 33AA with a Magnum MS2000 inverter. While in storage, I want to have a 100 Watt solar panel hooked up to keep the house batteries maintained and to keep the inverter on 24/7/365. I want to do this so I can keep my pest control units plugged in to keep the little critters away.
We have these and they work great.
VictorŽ Ultra PestChaserŽ https://www.victorpest.com/victor-ultra-pestchaser-m793
My other option is to leave the main inverter off and use a small inverter just for the pest control units.
Any suggestions?
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That inverter will draw 4AH /24 hours a day just sitting idle with no draw. That comes to 96AH per day. Your 100W solar panel will produce about 40AH per day. Even two 100W panels would not keep up.
__________________
Don & Gerri
2014 Entegra Anthem 44B
2014 Honda CRV Touring
1300W Solar, 1200AH LiFePO4 FMCA F443497
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08-07-2020, 09:54 AM
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#7
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,659
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The MS2000 claims to use 25 watts when in inverter mode with no load. That's more like 2 amps/hour than the 4 amps cited above, but it's still a lot of drain (about 48 AH in 24 hours) and probably more than a 100W solar panel can replace in a day, even with decent sun. On a cloudy day, it's a major loss that the solar may not be able to recover from.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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08-07-2020, 10:01 AM
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#8
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,750
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I would be more concerned about the life expectancy of the inverter. All components have a MTBF (mean time between failure). Running the inverter all the time is shortening it's life expectancy. There's no way to know what that life expectancy is so it's anybody's guess if this is really a concern.
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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08-07-2020, 10:09 AM
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#9
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Senior Member
Entegra Owners Club
Join Date: Jun 2004
Location: Bayfield, Ontario
Posts: 5,465
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Quote:
Originally Posted by Gary RVRoamer
The MS2000 claims to use 25 watts when in inverter mode with no load. That's more like 2 amps/hour than the 4 amps cited above, but it's still a lot of drain (about 48 AH in 24 hours) and probably more than a 100W solar panel can replace in a day, even with decent sun. On a cloudy day, it's a major loss that the solar may not be able to recover from.
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Going by real world experience with the inverter ON and OFF the difference is 4 amps on the battery monitor. This is with nothing plugged into the inverted outlets. YMMV.
__________________
Don & Gerri
2014 Entegra Anthem 44B
2014 Honda CRV Touring
1300W Solar, 1200AH LiFePO4 FMCA F443497
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08-07-2020, 10:31 AM
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#10
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Senior Member
Join Date: Aug 2017
Location: St. Louis, MO
Posts: 768
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Usually the inverter is an inverter/charger
When on shore power it functions as a charger
12VDC is required when using an RV
e.g. Reefer requires 12VDC even when running on gas
e.g. Lights are 12VDC
therefore you need to have the charger running whenever using RV
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08-07-2020, 10:40 AM
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#11
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Senior Member
Join Date: Sep 2019
Location: Markham ON
Posts: 189
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Having a similar concern (mice entering our MH while hibernating) and without the option of a solar charger and/or inverter available, we used this:
https://www.amazon.com/Pestbye-Batte.../dp/B0072H60MG
2 x 9V batteries were enough to keep it operational for 6 months at -15 Celsius average temperatures. No sign of mice or any other pests in the MH when we took it from storage.
__________________
1999 GBM CruiseMaster
Toad: 2017 Toyota Corolla SE
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