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Old 06-25-2006, 04:16 AM   #1
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This is only our second season in the MH and I would like to know how many use the genny and roof air conditioners while travelling.

We never did this last year but our holiday was to the east coast and in the mountains so the dash air seemed adequate.

This year we are planning hotter destinations.
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Old 06-25-2006, 04:16 AM   #2
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This is only our second season in the MH and I would like to know how many use the genny and roof air conditioners while travelling.

We never did this last year but our holiday was to the east coast and in the mountains so the dash air seemed adequate.

This year we are planning hotter destinations.
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Old 06-25-2006, 04:53 AM   #3
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We do it all the time. Sometimes we run both, dash & roof. Remember to run the dash air occasionally so the seals do not dry out.
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Old 06-25-2006, 05:20 AM   #4
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We run our genset while traveling all the time. In fact, since we don't dry camp all that much, enroute is our primary use of the genset and A/C.

We have not problem running both rooftop units on our genset and, when we have passengers, they appreciate the comfort that results.
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Old 06-25-2006, 05:47 AM   #5
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We use our gen set all the time while on the road. Provides power for our Lowe's 'fridge, roof air/heater, hot water heater, etc. No problem at all (in our bus conversion)

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Old 06-25-2006, 06:08 AM   #6
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Sounds good to me....thanks for the input.

2nd question: When the genny is running(while driving) does it charge the house batteries or does the engine alternator still take the load.
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Old 06-27-2006, 06:30 AM   #7
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2nd question....

Depends on how your motorhome is wired. My bus conversion has the output of the gen set powering the inverter - the inverter, with A/C on its input, goes into the "charge" mode thus charging the house battery system. I have no connections between the house system (12 volt) and the bus system (24 volt).

My "guess" is your gen set will power your converter - thus charging you house battery system. However it is done, you only want one of the two methods charging your house battery - either the coach alternator or your converter/inverter - not both at the same time.

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Old 06-27-2006, 06:57 AM   #8
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Thanks Don. I'm on 12 volts for both systems and have no idea how they are set up. I'll try going to the coach mfg but it's pretty old (92) and they may not go bach that far with their production records.
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Old 06-28-2006, 10:47 AM   #9
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by gordon23:
Thanks Don. I'm on 12 volts for both systems and have no idea how they are set up. I'll try going to the coach mfg but it's pretty old (92) and they may not go bach that far with their production records. </div></BLOCKQUOTE>
Do you have a built in volt meter? If not go buy one. It is a "must have".

With the coach parked and not plugged in and no gen running, read the coach batter voltage. It should read 12.6v. +- (you did buy a digital volt meter?).

Now plug in the coach and look at the voltage. It should go to 13 ++ after two minutes plugged in if your charger/inverter is working.

Now, un plug the coach and start the gen. Look at the voltage, if it goes to 13 ++ then the gen is charging the coach batteries.

Now, stop the gen and start the engine. Look at the coach voltage now. The engine driven generator should have brought the voltabe back to 13 ++.

This simple test will tell you what is charging when.

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Old 06-29-2006, 06:34 AM   #10
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The procedure is not a problem but where do I get the dig voltmeter (auto supply or coach mfg.) and is it then installed permanantly in the dash.

thanks
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Old 06-29-2006, 10:13 AM   #11
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by gordon23:
The procedure is not a problem but where do I get the dig voltmeter (auto supply or coach mfg.) and is it then installed permanantly in the dash.

thanks </div></BLOCKQUOTE>Radio Shack has some digital multimeters for as low as $20. I have also seen them at Home Depot and Lowes. This type is not installed permanently (although some can be had that are). It is just a versatile tool to test voltages, continuity, and batteries.
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Old 06-29-2006, 10:38 AM   #12
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O.K. I thought you refered to an in dash unit.

I do have a digital mutli meter. I'll use that.

thanks again
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