Question about Rinnai EnergySaver 556 Air Conditioner
I followed your instcutions and found the items but the glass peep hole seemed to be attached with small rivets and didn't appear to be removable. I cleaned everything well with a big shop vac and then started the heater observing the flame through the peep hole. It came on and made a loud sputtering sound and the flame was yellowish red but after 10 seconds or so of fluttering the heater started and a two tone blue flame coud be seen. The flame was darker blue close to the base of the flame and lighter blue at the outer edges but looked healthy.
Is there a way to adjust the startup to eliminate the flutter and sputter ? Sometimes it will fail to start and I get the flashing red light.
There is a way to adjust the flame, but you will need a monometer to do it. I would suggest getting in a gas technician to adjust your gas pressures. You do this for both low and high pressure.
Posted on Dec 24, 2007
As a licenced plumber the only thing I will suggest is to call someone and have them service the heater.
Gas is deadly, and it sounds like there is something blocking the injector port, causing the gas/air mixture to not mix properly, which will make the flame change colour and characteristics.
The burner may need to come out, the inlet gas pressure will need to be checked and other things.
The rinai heaters are also expensive, as you would know, and trying to fix it yourself is dangerous. Also, once serviced by a plumber you will have the peace of mind to know it has been serviced properly and will run well for many more years.
You will need to find a licenced gas fitter.
Posted on Dec 23, 2007
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