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LunaPod ![]() Newbie ![]() ![]() Joined: 28 Feb 2011 Location: Canon City, CO Online Status: Offline Posts: 37 |
![]() Posted: 01 Mar 2011 at 9:36pm |
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I have read posts on the pros and cons of surge protectors with and without undervoltage protection and since this is my first RV with an air conditioner I emailed Dometic for some answers, here is their response and my original email:
From: CustomerSupportCenter/LaGrange/North_America/Dometic@dometic.se
To: thory@q.com Subject: Re: Voltage fluctuation Date: Fri, 25 Feb 2011 11:35:50 -0500 Any time your AC voltage fluctuates outside of the operating range we allow for you are risking damage to the product. Our air conditioning units require your ACV to be between 108-122 volts for proper operation. When you provide low voltage to the unit what can and will happen is the ac will end up pulling higher amps because it is trying to compensate for the low amount of voltage being provided. This can do many things to an air conditioner, over time it can cause the compressor to fail, when this is happening tho it can cause the unit to have improper operating function. Meaning you most likely will not get the cooling from it that it is designed to produce. Our AC units do have a compressor over load and this will kick the compressor off when the locked compressor amps is hit which should protect your unit, however over a period of time operating the ac with low voltage can damage the unit. There is not a built in time delay for low voltage on our units. If you are using a 5 button digital wall thermostat there is a 2.5 min delay on the compressor starting but that is only for the compressor and only when using that control system. If you are in need of any Dometic refrigerator or air conditioner or A& E awning parts you can call us at 1-800-544-4881 or purchase from any dealer or Camping World location. If we can be of any future service do not hesitate to contact us. Thank you for choosing Dometic product lines. Customer Support Center Dometic LLC To ensure an accurate response, respond by 'Reply'-ing to "customersupportcenter@dometicusa.com". The e-mail address that this reply came from does not accept incoming e-mail. Also, please add prior correspondence to all future emails.
Hi, I recently purchased a new Forest River R Pod and after reading various forums on RV appliances have come up with some questions regarding the air conditioner and refrigerator in the unit, both of which are Dometic. Air conditioner is Model# 641915301C0 Serial 03499594 Refrigerator is Model# RM8501 Serial# 01,300,050 00 The question has to do with the electrical power at camp grounds. I understand there can be surges, undervoltage, open grounds and reverse polarity issues. If while operating, either of these appliances experience this type of electrical issues will it harm them? A surge protector will protect against all the issues except undervoltage which is rumored to be bad for the air conditioner. A voltage management unit will protect against all these issues. Is undervoltage an issue? Does this model air conditioner have a time delay if low voltage detected? Probably my biggest issue is the undervoltage> Thank you for your time in answering these questions Mike Ryan thory@q.com cell 719-269-0728 |
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Mike & Barb, R Pod 173 - TV 2011Silverado
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techntrek ![]() Admin Group - pHp ![]() ![]() Joined: 29 Jul 2009 Location: MD Online Status: Offline Posts: 9062 |
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That voltage range sounds just about right. I always recommend 110 to 125 for any AC appliance, partly because the numbers are a little easier to remember. If you don't have one already, buy a Kill-a-Watt. First you can use it around the house to find out how much energy you are using (I found an older freezer was using too much so I replaced it). Then instead of throwing it in a drawer, keep it in the 'pod. I keep mine plugged into an outlet that is visible as I enter from outside so I can keep an eye on the utility voltage during the day in camp. Usually you won't have a problem in the spring and fall, but during the summer when every other camper has their A/C on high in the mid-afternoon the voltage can drop. If it goes below 110, turn off your own A/C, don't use the microwave, and turn off the electric heat element on the water heater. When you first get into camp its also a good idea to check the voltage when you first hook up (no matter what season or time of day) to be sure you have a good outlet. Some times you'll find a bad one.
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LunaPod ![]() Newbie ![]() ![]() Joined: 28 Feb 2011 Location: Canon City, CO Online Status: Offline Posts: 37 |
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Thanks for the info I'll look for a Kill a watt, I am also going with the surge protector which will kill the power to everything when either high or low voltage occurs. Resets after 2 1/2 minutes
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Mike & Barb, R Pod 173 - TV 2011Silverado
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techntrek ![]() Admin Group - pHp ![]() ![]() Joined: 29 Jul 2009 Location: MD Online Status: Offline Posts: 9062 |
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Do you have a link to the model you are looking at?
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LunaPod ![]() Newbie ![]() ![]() Joined: 28 Feb 2011 Location: Canon City, CO Online Status: Offline Posts: 37 |
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http://tweetys.com/electrical-management-system-hardwire-30-AMP.aspx
Here are a couple I'm looking at Camping World also carries them.
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Mike & Barb, R Pod 173 - TV 2011Silverado
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TerryM ![]() Admin Group - pHp ![]() ![]() Joined: 16 Nov 2009 Location: Saint Augustine Online Status: Offline Posts: 1950 |
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That looks like the one I had for my motor home. I would have to go look at it to be sure. They are well worth the money.
Terry |
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RP-175 W/Lift Kit 2011 Ford F-150 4X4
Saint Augustine, FL: The first permanent European settlement in the USA: 1565 |
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techntrek ![]() Admin Group - pHp ![]() ![]() Joined: 29 Jul 2009 Location: MD Online Status: Offline Posts: 9062 |
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Looks good, covers all bases.
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Outbound ![]() podders Helping podders - pHp ![]() ![]() Joined: 19 Nov 2009 Location: Oshawa, Ontario Online Status: Offline Posts: 767 |
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I like the idea of permanently installing a surge protector in my r-pod. But, I see that the ones from Progressive Industries allow voltages from 104-132... well outside the 108-122 volt range recommended by Dometic.
I wonder if a breaker-type surge protector could be used in the converter?
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Craig :: 2009 RP171 towed by a 2017 F150
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marshwatcher ![]() Senior Member ![]() ![]() Joined: 14 Jan 2011 Location: Sunny FLORIDA Online Status: Offline Posts: 127 |
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We have been following the surge protector thread closely. Would anyone who has installed a hard wired protector care to give instructions? We are trying to decide between the mobile type and the hard wired type and wonder about the difficulty of the install of the hard wired type. Husband is pretty handy but always likes to assess the difficulty factor of a new job before he decides whether or not to DIY.
Thanks in advance for all your help! ![]() |
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techntrek ![]() Admin Group - pHp ![]() ![]() Joined: 29 Jul 2009 Location: MD Online Status: Offline Posts: 9062 |
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Without actually opening anything up to check, it should be a matter of opening up the back of the converter, unscrewing the terminals where the plug is attached, rerouting/reattaching the wires from the plug to the input on the surge protector, then adding 10 gauge wiring between the output of the surge protector to the terminals on the converter where the plug was.
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