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 > Your search for posts made by 'pianotuna' found 3155 matches.

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RE: Charging Problem

Hi, I'd just jump to a brand new converter. Choices are PD, Iota, and boondocker. All three have good features, but none of them is perfect.
pianotuna 12/18/14 08:39am Travel Trailers
RE: 12v inverter draw on batteries with microwave

so....get an electric remote start for the genny? LOL When I was urban docking in October with night time temperatures well below freezing, I would run the genny for 15 minutes to warm the bedroom up, repeating in about six hours. I refuse to sleep with the generator running. Last spring, after the warranty expired, I added a remote start to the generator. It is VERY nice to be able to shut down the generator when I'm in my bed. I'm considering (toying with the idea) of adding a small inverter for just the fridge. It would not need to be psw but I should probably have a remote control for it.
pianotuna 12/18/14 08:31am Tech Issues
RE: Furnace BTUs 18 vs 30

Hi DC, It depends on the RV and where it is. I can keep my RV warm (23 c, or 74 f) at -36 c (-33 f) with 19000 btu's (peak load including, inverter/charger, fridge and water heater of 5400 watts). Most folks would not be in their RV at those temperatures. I've already explained how a too large furnace may allow pipes to freeze. My opinion and advice are to go with the smaller furnace, heated basement, tank heaters and pipe heaters. I have tested down to -36 c. SDparkowneroperator has RV'ed down to -43 F, so perhaps ask him what he recommends.
pianotuna 12/18/14 08:09am Travel Trailers
RE: Battery Charging

Hi, Better yet, add 300 watts of solar and forget about charging with the genny.
pianotuna 12/18/14 07:34am Tech Issues
RE: Does the engine alternator charge house batteries?

Hi, There will be a fuse or circuit breaker in the circuit as well as the isolator. The isolator in my RV developed burned contacts and failed in less than ten months. I had two fuse failures before I upgraded to a self resetting circuit breaker. If you want *lots* of charging it may be a good idea to beef up the wiring. I chose to add a second charging path. I do push the current up to over 70 amps for short periods of time. I do have manual control over the charging solenoids. I do monitor the charging current and can limit the demand on the alternator. Some day I'd love a bigger alternator.
pianotuna 12/18/14 07:27am Class A Motorhomes
RE: Propane usage for a Refrigerator

Hi, Add 300 watts of solar, then you may run the fridge on propane to your hearts delight. I would be one of the "run it 24 hours before the trip" folks.
pianotuna 12/18/14 07:21am General RVing Issues
RE: 12v inverter draw on batteries with microwave

Hi jrynmn, Which 1000 watt psw do you have? What happens to the 120 side voltage under the load of the microwave? What happens to the DC voltage under the load of the microwave?
pianotuna 12/18/14 07:14am Tech Issues
RE: Induction Range top ??

Hi Ron, The NuWave has no problems simmering. I can't speak about other brands. Also, I've heard that some of these induction units have a hard time "simmering". Is any of this correct? Ron
pianotuna 12/17/14 05:05pm Fifth-Wheels
RE: This is gonna get moved

Hi Steve, It works without a cell phone signal on the Galaxy S3 and S4. Hi narcodog, If you have a smart phone try using the gps mapping feature on it. Probably only works where there is a cell signal. A GPS will work pretty much anywhere.
pianotuna 12/17/14 05:01pm Truck Campers
RE: Furnace BTUs 18 vs 30

Hi DC, If the furnace doesn't run often enough and you do not have tank heaters the tanks and/or pipes may freeze. I'm talking about temperatures in the -30 to -40 area. The better insulated the RV floor and the larger the furnace, the worse the issue. If a smaller furnace runs all the time--then the tanks won't freeze, and the air inside the RV will be mixed fairly evenly. This means no cold spots or drafts can be created by poorly heated areas such as the "step" inside a class C. Therefore it is more comfortable. Does that help with my original statements? I found out the hard way that my fresh water system, which is inside the heated area of the RV, would freeze up when I was driving--because the living quarters were heated by the engine/dash heat. I tried a 1500 watt heater under the sink and still had freeze ups. The final solution was a thermostatically controlled dual window fan which I used to replace the cold air return grill for the furnace. The thermostat is mechanical and is near the water pump. This had the happy effect of pressurizing the duct work and solved the freezing problem. "The closer the furnace is to 100% run time the more the comfort." "With a larger furnace the tank heaters become even more necessary." Huh? :h You are going to have to help me out with those two statements. I would have to argue that a larger furnace that has to run significantly less to maintain the same temperature, in addition to being more efficient will generate less noise (a part of overall comfort). A larger furnace, generating more heat, in no way necessitates a greater need for tank heaters. Most folks just crack the cabinet doors or a drawer or two to facilitate the abundant warm air's circulation. If anything a coach with a larger furnace might be just fine with no tank heaters. I have tank heat but have yet to run it as the large (35K BTU) furnace keeps our little 24' C so toasty with minimal run time. On a typical night below freezing the furnace only kicks on a few times for 5 minutes with the thermostat set at 65. Less furnace is a problem not a solution. As always.... Opinions and YMMV. :C
pianotuna 12/17/14 03:07pm Travel Trailers
RE: This is gonna get moved

Hi narcodog, If you have a smart phone try using the gps mapping feature on it.
pianotuna 12/17/14 10:01am Truck Campers
RE: pedestal receptacle

Hi Niner, I believe Pogoil means that users do not turn off the pedestal breaker(s).
pianotuna 12/17/14 09:59am Tech Issues
RE: Induction Range top ??

Hi, I use a NuWave induction "cook top". It is a single pot type. I love it. The latest iteration of the unit has 92 cooking levels that jump by 5 F for each. There are six presets for commonly used temperatures (375 for steak, for example). NuWave The only draw back is that if you choose to run it via battery/inverter the inverter must be pure sine wave.
pianotuna 12/17/14 09:53am Fifth-Wheels
RE: I'm amazed

Hi, Since Television went digital quality is the same so long as the signal can be captured. It is rather similar to a light switch. When the switch is on--there is light. When it is off, there is no light. Back in the analog days quality varied with the inverse square law. A great antenna would improve both range and quality. With digital--only the range is an issue.
pianotuna 12/17/14 08:56am Class A Motorhomes
RE: Furnace BTUs 18 vs 30

Hi, The closer the furnace is to 100% run time the more the comfort. This favors a smaller furnace with better insulation in the RV. However, "better insulation" is pretty much a joke in RV land. The walls are simply not very thick and construction does not attempt to isolate the frame. Radiant heat floors are desirable, but doing a hydronic system is not inexpensive. It is possible to get electrically heated under floor materials. The highest output I've seen is about 85 btu's per square foot. On a 20' x 10' that works out to 17000 btu's in total. It requires a 50 amp service to run that much power (about 34 amps on one leg). More usual numbers are about 40 to 50 btu's per square foot. In that case extra heating capacity needs to be added. I did find carpets with the 85 btu's per square foot. They are a great way to retro fit. Adding tank heaters with a heated basement is what I would do, using the 18000 btu furnace preferably with a two speed fan. With a larger furnace the tank heaters become even more necessary. I do heat 100% electrically and use my furnace as a backup should the power fail.
pianotuna 12/17/14 08:49am Travel Trailers
RE: 12v inverter draw on batteries with microwave

Hi, My four cup drip coffee maker draws 400 watts and takes 7 minutes to finish a brew. It has a metal insulated pot which is just GREAT.
pianotuna 12/17/14 08:06am Tech Issues
RE: Humidity / Moisture Absorbers; Do They Work?

Hi, Electric dehumidification is energy intensive. There needs to be significant air flow for the "passive" type to work well. Surfaces must be raised up above the dew point temperature, otherwise condensation will happen.
pianotuna 12/17/14 07:51am General RVing Issues
RE: 12v inverter draw on batteries with microwave

Hi, The alternator will indeed help--but not more than about 30 amps of the load when the engine is at idle. Total load is in the 150 amp range. Choices are a large upgrade to the battery bank capacity (with medium to large solar), or burn some propane. All my cooking is done electrically. My "instrument of choice" is a NuWave induction cooker. They require pure sine wave. I do use the microwave for heating left overs and beverages, but it draws 1591 watts, so I avoid long run times. What would happen if I used the inverter and started up the MH engine? Would the alternators charging offset the draw from the inverter?
pianotuna 12/16/14 08:51pm Tech Issues
RE: Furnace BTUs 18 vs 30

Hi, Go for the heated basement and add tank heaters. I know I can heat my RV down to -36 c (-33 f) with about 19000 BTU's. If you can, add the low temperature protection from Norcold to the Fridge. Both Dometic and Norcold need this.
pianotuna 12/16/14 06:44pm Travel Trailers
RE: Humidity / Moisture Absorbers; Do They Work?

Hi jrnmny, Crack a roof vent and at the other end of the RV crack a window. If on shore power put a heater near the window.
pianotuna 12/16/14 06:40pm General RVing Issues
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