Question about Rinnai RHFE-556WTA Direct Vent Heater NG Air Conditioner

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Rinnai 556F Not Exactly and "Energy Saver"...

I have a Rinnai 556F "EnergySaver" unit in my apartment. The problem is the internal thermostat, which is the dumbest thing I've ever heard of for a heater that must be installed on an outside wall. The short version of what's happening is, if the temperature is 32 degrees or less outside, the Rinnai, when kept on the 60 degree setting, never turns off. The end result of that is my apartment is 75 degrees and I'm burning through over 125 gallons of propane a month at a cost of over $400 for a small apartment. If it's over 32 degrees outside the unit barely works at all. If I look in the back of the unit, is there a way I can see the thermostat? Can it be moved to a wall above the unit or can I install a seperate thermostat altogether?? Thanks for any help!

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Raise the thermistor. It is a black rubber probe located on the back of the heater close to the coldest spot in your home, the floor. Raise it a few inches. To do this you will need to unhook it from its holder and open the front of the heater to unravel the extra length of yellow wire.

Posted on Feb 20, 2009

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Posted on Jan 02, 2017

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1 Answer

My rinnai 556f energysaver heater filter and on button blink red, the digital thermostat stays on 68 degrees and will not go hotter or cooler.. i do have natural gas going to it and it is on.. i cleaned...


Hello, that could be two problems, first could be the gas sensor that cuts the power when there is a leek , second could be the thermostat faulty.
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Nov 22, 2013 | Panasonic Heating & Cooling

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I have a Rinnai 556F Heater and I set it to a specific Temperature and a temperature higher is always flashing. What is wrong?


The temp you are looking at may be an error code. 72 Room sensor, 68 Over heat, 76.80 Room sensor short, etc. What is the exact code??

Tom

Oct 14, 2010 | Rinnai RHFE-556FAIII 21,500 BTU Ductless...

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I have a rinnai energy saver 556f our power blew out and it knocked out all our appliances.i am trying to get my rinnai to stay lite but the pilot wont stay on.it goes on for about 3 seconds and then cuts...


Patrick,

Your 556 does not have a pilot light. When you try to start look into the window, you should see an arcing, this is the igniter. With a power outage there is no telling what may have happened. With only limited knowledge of a gas heater you should call a Rinnai service guy.

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Oct 12, 2010 | Rinnai RHFE-1004FA 38,400 BTU Energy Saver...

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I rent and have a Rinnai Energy saver 556F. I have it at 64 and the light blinks for 68. I would like to know why. It is 56 out side now thank you


Shadow,

The 68 you see is an error code. It means you have had an over heat situation. You should be able to clean the filter and fan area and restart. Turn the heater off and on again, that should reset everything and you should be good.

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Oct 06, 2010 | Rinnai RHFE-556FAIII 21,500 BTU Ductless...

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Rinnai energysaver 556f manual


Here is a link to the 556FTR from Australia.
They are all pretty much the same. The US site has similar info. Just google Rinnai. Open the site, go to resources tab and click downloads. The manuals are easy to locate.


http://www.rinnai.com.au/images/stories/operating_instructions/Heating/Energysaver/556&431FTR.pdf

Jul 27, 2010 | Panasonic Heating & Cooling

1 Answer

Energysaver 1004FTR


Check for a blockage in the heat exchanger. Spiders love to make nests in these units. Remove the front cover and the two rectangular viewing ports on the front of the heat exchanger. Watch as the unit ignites. There are three burners you need to watch and the first one is in the center and hard to see. If there is flame but it goes out quickly, you have a blockage in the unit. Check the venting to make sure it is clear of debris.

Aug 19, 2008 | Rinnai RHFE-1004FA 38,400 BTU Energy Saver...

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