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Old 01-16-2019, 03:21 AM   #1
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Amps used by fireplace?

Does anyone know how many amps the fireplace pulls in an Allegro Red 33AA? We will be parked in our driveway while we move in -- it is winterized, and we will be in freezing temps. Would like to use the fireplace to make it warm enough to work in, but will only be plugged into 15 amp household power. Is it doable?
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Old 01-16-2019, 03:31 AM   #2
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Treat it like a 1500w space heater.
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Old 01-16-2019, 04:21 AM   #3
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Rating it like a 1500W heater, which it most likely is, will result in approx 12.5 amps of current draw....depending on the voltage of the incoming line. 120V incoming will give you the 12.5 amps I referred to above. 110V will result in 13.6 amps. Both of those numbers are doable for your application.
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Old 01-16-2019, 04:46 AM   #4
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Rating it like a 1500W heater, which it most likely is, will result in approx 12.5 amps of current draw....depending on the voltage of the incoming line. 120V incoming will give you the 12.5 amps I referred to above. 110V will result in 13.6 amps. Both of those numbers are doable for your application.


You'll be close to the limits of a 15 amp supply. Be mindful of the battery charger in the coach might put you over the amp limit if the house or chassis batteries are low when you plug into the available shore power.
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Old 01-16-2019, 05:04 AM   #5
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1500 watts isn't enough btu's if it's freezing out, you will need to use your propane furnace. If I'm at a campground in freezing temps and want to not use propane, I run the fireplace, a 1500 watt space heater on high plugged behind the couch, and a 1500 watt space heater on low plugged in on kitchen counter (which is on an inverter circuit).

You have other things using 120vac. You Magnum converter will be recharging the house batteries, and chassis batteries. Assuming they are at full charge, it will periodically flip into float mode to top off the batteries. (Your spyder system has a continual 12vdc draw.) Your entertainment Lan6->HDMI converters at each tv, and any entertainment gear you have powered on will also draw power. If you leave your refrig turned on it will use power (and the defrost cycle draws 8 amps).

I don't normally leave heat on inside the coach when in the driveway, but if I did instead of the fireplace, I'd use a little elec space heater that has a high/low heat switch, and run it on low. Plug it into the sockets behind the sofa, as those are the only ones that are not on the inverter. Your other option is to reach thru the closet washer access panel, remove the washer cord, and plug into that outlet (that outlet isn't on the inverter either).

Then I also have a TC3 thermocube freeze prevention socket with a 200ish watt heater in the wetbay. Run a short extension over from the outlet in with the power cord bay (ie, the socket where you would plug in the engine heater). That socket is also not on the inverter.
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Old 01-16-2019, 07:37 AM   #6
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To answer your initial question, our fireplace draws 7 amps on low power and 12 amps on high. If you have a single power fireplace, assume the highest draw. Keep in mind also that you will be running the charger/inverter to keep everything going in the coach which can also draw up to 11 amps on bulk charge.
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Old 01-16-2019, 12:43 PM   #7
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Careful also of what else is running on that 15 amp circuit unrelated to your RV so that you don't trip the breaker. If possible, look around for a 20 amp receptacle that isn't being used with anything else. Usually appliance circuits like the washing machine are on a dedicated 20 amp circuit, or the garage receptacles. Use the heaviest, shortest extension cord you can get away with (lower voltage drop), rated for 20 amps and you'll have a little more breathing room.

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Old 01-16-2019, 03:42 PM   #8
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You should be good as long as nothing else is using power. Make sure the batteries are fully charged by plugging in the coach a few hours before you turn the fire place on. You should have enough power from the 15 amp circuit to keep the batteries charged and run the fireplace , but nothing else.
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Old 01-16-2019, 03:55 PM   #9
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sounds like you need to run generator and keep fuel tank over half full most of the time. Dave
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Old 01-17-2019, 12:37 PM   #10
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Quote:
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Careful also of what else is running on that 15 amp circuit unrelated to your RV so that you don't trip the breaker. If possible, look around for a 20 amp receptacle that isn't being used with anything else. Usually appliance circuits like the washing machine are on a dedicated 20 amp circuit, or the garage receptacles. Use the heaviest, shortest extension cord you can get away with (lower voltage drop), rated for 20 amps and you'll have a little more breathing room.

Paul
Or, use that same extension cord to run a portable heater instead of running the fireplace. You will most end up with it being shed often as the inverter and charging circuits draw current.
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