Question about Rinnai RHFE-556FAIII 21,500 BTU Ductless Energy Saver Heater - LP(Propane) Gas

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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?

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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

Posted on Oct 14, 2010

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I am trying to increase the temperature on the controller and it wont change. I have installed a new one and it still will not increase


[PDF]Operation / Installation Manual - Rinnai

https://www.rinnai.us/.../V_Series_Indoor_25xx_U...

Rinnai America Corp.temperature (shown on the digital remote control) the gas burner will ... Without the connection of a remote controller(s), the Rinnai Water Heater is preset to.

PDF]Tankless Water Heater Service Manual - Rinnai

https://www.rinnai.us/.../100000098_Rev_B.pdf

Rinnai America Corp.Indicates condensing water heater models. ... Rinnai Water Heater Service Manual. 2 ..... Digital manometer or U tube type manometer with 14 inch water column (W.C.) scale, a hose and two .... will flash on the display of the remote controller.

Nov 23, 2015 | Rinnai Digital Remote Water Heater Control...

1 Answer

How do I turn it on? I press the "on" button and


The manual says:
http://www.coinwash.com/temp/rinnai.pdf

"For the name of the Authorized Distributor or Installer nearest you, please contact your local HVAC dealer or gas service technician, visit the Rinnai website (www.rinnai.us), call Rinnai at1-800-621-9419 or write to Rinnai, 103 International Drive, Peachtree City, Georgia 30269"

Manual says that the remote is for setting temperature.
When you turn on hot water spigot, tankless water heater will heat the water to the set point temperature.
If water heater is not set up to use remote, then tankless unit will heat to 140 degrees F.
"With the MCC-45-4US remote control installed the water temperature is adjustable from 96
to 180°F. The water temperature cannot be set to a temperature other than 140°F
without the use of the MCC-45-4US remote control unit. If you require a temperature
other than 140°F you must install the MCC-45-4US remote control unit."

"Error messages are displayed on the remote control units, simplifying service calls."

Page 9 of manual shows hot to set temperature using remote.
Water taps must be shut off to set temperature.
Circulating pump must be turned off.
"Simply press the H or C button until desired temperature is displayed"
"green in-use indicator will display"

If your unit is not working, the manual says to contact local plumber.
Fixya has specialists who will talk to you by phone about your problem for a fee.

Dec 18, 2010 | Rinnai Digital Remote Water Heater Control...

1 Answer

I have a rinnai heater and it stopped working all


rinnai, toyostove and monitor heaters are basically all the same. first you have to make sure your fuel valve is open at the tank. next you have to reset the tank lockout on the sump. then set your set point higher than your room temperature. now press on. the unit will go through a 300 second purge cycle. the pot heater should turn on when the purge cycle starts. after the purge cycle the fuel pump turns on and pumps fuel into the pot. when it vaporizes the igniter lights it. when a flame is detected the flame rod says ok to keep running so the fuel pump shifts into high speed. when plenum temperature reaches a preset level the fan turns on.

Oct 17, 2009 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

Rinnai heater flashes code 12


Bailey,

Next time you try your stove watch the flame. If the flame goes away and then the error code comes on, you have something wrong with the over temp circuit, gas or gas valve, If the code comes on and then the flame goes away you have a flame sensor problem.

Good luck,

Tom Hawkins
hawkins111@gci.net

Mar 13, 2009 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

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


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.

Jan 24, 2009 | Rinnai RHFE-556WTA Direct Vent Heater NG...

1 Answer

Max temperature for Rinnai 556WT restricted to 74 degrees


There is no way to restrict the setting and keep it UL approved. If you cannot get the heater above a certain setting you have either too small of a heater, too much outside air entering the apartment or the gas pressures are not great enough.

Oct 25, 2008 | Rinnai RHFE-556WTA Direct Vent Heater NG...

2 Answers

Rinnai EnergySaver 556F Heater flashes


I'm picking up a faint propane scent when the heater is completely turned off. When I turn the heater on it lights fine so I don't suspect it's the pilot light. Is this an issue with the installation of the fuel line, or could it still be the pilot? Any ideas on troubleshooting the source?

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