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02-11-2018, 07:31 AM
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#1
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Senior Member
Join Date: Dec 2014
Posts: 198
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Inverter Question.
Hi ,My 1997 Damon Intruder ,The power Inverter fan keeps running constantly while plugged into shore power The batteries are almost new .I turned off the house battery switch on the dash and a few minutes latter the fan was off .We don,t do any dry camping.the MH is always plugged in to shore power Will it be okay to run this way .Thanks for any advice
Paul
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02-11-2018, 08:01 AM
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#2
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Registered User
Winnebago Owners Club
Join Date: Feb 2018
Posts: 1,336
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Most inverters are "pass thru" and on shore power there's no need for them to be on.
The house battery switch may also turn off the converter which keeps the batteries charged.
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02-11-2018, 06:28 PM
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#3
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,519
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Quote:
Most inverters are "pass thru" and on shore power there's no need for them to be on.
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It's not inverting - it is battery charging and producing 12v power for the house so that the batteries don't get run down.
Apparently the charger is working hard and getting warm, causing the thermostat to get the fan on. I'd be looking at why those "almost new" batteries are drawing the charging amps. Could be a weak cell in one or more of them, or low on distilled water (flooded cell type), or corroded connections.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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02-11-2018, 07:12 PM
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#4
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Registered User
Winnebago Owners Club
Join Date: Feb 2018
Posts: 1,336
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The Progressive Dynamics converters we are familiar with does not do the job of the inverter.
Perhaps the OP has an all-in-one device.
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02-13-2018, 04:36 PM
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#5
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Senior Member
Join Date: Aug 2017
Posts: 2,091
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Check the water level in the batteries and also check to see if they are hot. You could have a bad battery , or could be overcharging them. The inverter /converter charges the batteries and runs all the DC loads. When you flip the switch on the dash , it disconnects the batteries and most coach loads.
__________________
1993 Tiffin Allegro Bay 32'
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02-13-2018, 05:22 PM
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#6
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Senior Member
Join Date: Jun 2016
Location: Nine Mile Falls WA / Arizona City AZ
Posts: 1,066
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We have 2 devices, one inverter (12VDC to 120VAC) and a converter (120VAC to 13.5VDC)... the converter turns on and off the fan based on how hard it charging the batteries when we are plugged into shore power or have the gen set running.... the inverter powers certain items in our unit all the time.. so the fan on it cycles based on the load at the time...
So we have a few items only plugged into circuits that are supplied by the inverter.. always draining the 12DC batteries... when the gen set starts or we are on shore power, or driving down the road those batteries are being charged....
I've often read posts that the poster has confused the two devices or have a large common unit and don't understand its actually 2 devices in one large costly box....
Just my thoughts..
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Retired Business Owner, Re-manufacturing HD Clutches, Brake Shoes, Air Compressors, Sales & Installation of PacBrake and other Industrial Friction
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02-15-2018, 04:08 PM
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#7
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Senior Member
Fleetwood Owners Club American Coach Owners Club
Join Date: Mar 2011
Posts: 6,754
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jelag...what make/model coach do you have...sounds like an odd arrangement to me...having both an inverter and converter?
__________________
2014 American Eagle 45T
DD 13, 500 HP
Pulling a Honda CRV
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