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

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Outside air intake has to be unplugged for it to run? Why is this?

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Is the air intake blocked or is it possible the unit is getting exhaust in the intake

Posted on Feb 24, 2009

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Ambient outside air temp sensor

i may be wrong but that sensor is for the ac not for engine operation and at 113 if its not that hot then the sensor is bad but if its summer its ok,, your engine works with intake air temp

Nov 25, 2013 | 1996 Jeep Cherokee

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Vokera mynute 28 se, plumber has replaced fan and swithch as the burner would not cut in, was beeter for a year or so, in trying to find the problem again, he has discovered that if the front plate closing...

It sounds to me like the outside air intake (your boiler requires outside air for combustion) is plugged. Bird's nest, maybe? Leaves? Spider webs? Have the plumber check outside AND where the intake air connects to the boiler.

Nov 05, 2013 | Water Heaters

1 Answer

The unit frosts and freezes up after only a few minutes of running...why???

Common causes of this problem are:

1., Dirty or clogged air intake filter.

2. The humidity level outside is extremely high.

3. The compressor is low on refrigerant gas and needs to be recharged.

4. The cooling coils are dirty and need to be cleaned, as do the fins

5. Defrost sensor has failed and needs to be replaced.

Allow the unit to completely thaw and unplug it, before attempting any of the above service work.

Hope this helped you troubleshoot and solve the problem. Please let me know. Thanks.

Jun 10, 2011 | Heating & Cooling

1 Answer

How to clean the intake filter

I clean mine like this, unplug the fan and head outside, I use compressed air and a blow gun. I blow the air thru the intake and then backwards thru the front heating elements and repeat until you have clean air in both directions. I average about five times both directions and I am good for the year. I have made a practice of cleaning it out in the fall of each year.

Dec 26, 2010 | Lasko 5132 Ceramic Compact Heater

1 Answer


No The air temp sensor will not keep it from starting, if its bad or even unplugged the computer will see it as 32 degrees and all it will do is command more fuel (rich) to help start thinking its cold outside. even with this being the case it will still start, might not idle or run great but it will run...

Oct 14, 2010 | 1996 Buick Skylark

1 Answer

Air intake via hose & window or intake from room only?

Hello artrey3 The answer is yes, BUT the unit will be exausting room/basement air outside ruining any efficency the unit is rated for.Also you will need makeup/fresh air in the basement. The unit exausting air can put the basement in a vacuum/negitive pressure pulling in air from the chimney!

Jul 09, 2010 | Amana Heating & Cooling

1 Answer

Does the air intake pipe for a Goodman heater need to run outside

no both to go outside if you had fumes problem you would have fumes inside your house just example but the answer is no

Apr 10, 2010 | Goodman GMS90703BXA Heater

1 Answer

I have a Coleman TG9S Furnance and I noticed that

Hi there should be a fresh air pipe to your basement from outside to bring fresh air in normaly its behind the unit just above the floor , the air intake is taken from the basement as the air from the intake would now be warm to use , does this help you ?

Feb 09, 2010 | Heating & Cooling

1 Answer

Chemicals in house from pool when running air conditioner

There is a small possibility that the air conditioner is sucking some of the air outside. If you're using a window type a/c, there is a small fresh air intake vent you can open and close. If your using a wall type or free standing a/c, fresh air would only come from opening doors or windows. Using a centralized a/c has a fresh air intake and that could be the cause of your problem. The solution would be an anti-odor filter.

I hope this helps.

Jun 02, 2009 | Heating & Cooling

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