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Insufficient gas flow in furnace...could it be the altitude? we are at 5000 ft.

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Yep, and as the temperature gets colder it will drop even more.

Posted on Dec 11, 2009

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High altitude operation of a ryi2200 generator (5000 ft)


You require a high altitude carb (or carb jet) to operate correctly at this altitude. The jets are smaller to compensate for the thin air.

You need to get in touch with Ryobi to see if they sell them.

Do not adjust anything else on the generator!!!!

Dec 22, 2016 | Electrical Supplies

Tip

?JCB FAULT CODES LIST


P0087 (flashing code 227) shared sump low pressure fault (for pump without pressure supply)
The main fault symptoms
• Engine severe vibration.
• idling unstable
• Output Fall
• exhaust smoke
• It may be too large output
P0088 (flashing code 118) shared the tank pressure is abnormally high (first or second stage)
The main fault symptoms
• Engine severe vibration
• idle instability
• Output Fall
• channeling gas engine failure
• exhaust smoke
• It may be too large output
P0089 (flashing code 151) shared the tank pressure failure (for pump pressure supply is too large)
The main fault symptoms
• Engine severe vibration
• idle instability
• Output Fall
• channeling gas engine failure
• exhaust smoke
• It may be too large output
P0090 (flashing code 247) SCV drive system open, + B short circuit or shorted to ground
The main fault symptoms
• Depending on the open / short situations, there may be an engine stall and / or launch
Machine channeling gas.
• exhaust smoke
• Output is too large
P0107 (flashing code 71) atmospheric pressure sensor circuit input low (open or shorted to ground)
The main fault symptoms
Due to spare the equivalent altitude 2000 m (6562 ft)
• exhaust smoke at high altitude.
• insufficient output at low altitude
P0108 (flashing code 71) atmospheric pressure sensor circuit input high (+ 5V shorted)
The main fault symptoms
Due to spare the equivalent altitude 2000 m (6562 ft)
• The high altitude exhaust smoke
• lack of low altitude output
P0112 (flashing code 22) intake air temperature sensor fault (low voltage fault, earth fault, short circuit)
The main fault symptoms
• When cold starting, may exhaust white smoke.

More here http://truckmanual.weebly.com/jcb-fault-codes.html

on Dec 20, 2016 | Cars & Trucks

1 Answer

How do I convert cfm to scfm


For the Equation to follow the following definitions apply

S = scfm (the answer you want)
P = Barometric pressure in Pounds per square inch when you measured the cfm.
14.696 = standard barometric pressure at sea level

So:

S = P/14.73 x cfm

Example: Denver

Barometric Pressure 11.50 psi
cfm = 5400

S = 11.5 / 14.696 x 5400 = 4225.6 scfm

There was a lot of debate in the Natural gas industry years ago about the Standard barometric pressure value. Some Companies used 14.69 psi and others used 14.73 psi.

If you use natural gas to heat your home this is the same equation used by the gas company to correct for altitude on your bill.

The equation is derived from Boyles Law which is accurate at pressures close to atmospheric pressure.

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1 Answer

Need wire diagram from the hot wires feeding a blue angel oil burner and blower motor


Dean,
What kind of primary control? Beckett?Honeywell? Carlin? Control model #?

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1 Answer

Wiring Diagrams


Check out this site
www.peerlessboilers.com/Products/ResidentialBoilers/
SeriesWBVWV/tabid/118/Default.aspx#dnn_relateddocuments

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Safety relief valves


Need to know what pressure steam you are running, and what your water feed pressure is & temperature. If you are using a deaerator with pumps to supply feed pressure, and if there is a stack economizer. @ your altitude, I would de-rate your gas output to 10% less than your rated BTU's. Also need to know the % of oxygen in your flue gas, and if the gas & air intake is staged or modulating.

Apr 17, 2013 | Weil-McLain 88 Series - 11.8 GPH -...

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I have an Ef3000iseb runs great here at or about 5000 ft. go up in the mountains it starts loading up and wont run. is there a higher altitude kit?


Yes thats true
there is high altitude re jetting in the carburator your carb has to be re jetted for the normal operation of the generator at high altitudes by the authorised personel but when you will bring it back again at the orignal altitude it will get heated quickly and may not function properly so you will have to bring the carb settings to its orignal position so be careful

Aug 12, 2012 | Yamaha Ef3000iseb Generator Portable 3000...

3 Answers

Installing high altitude kit on Cozy NG furnace


the orifice that comes with the unit has a starter hole only needs to be drilled out, in the instructions is a chart for altitude de-rating.

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I have a 1990 Wrangler with the 4.2L six carbureted engine. It is set up for under 4000 ft altitiude but I have moved to 5000 ft plus altitude. What do I need to do to set it up for the higher altitude? It...


Smaller jets in the carb, less oxygen in the air means, you got to have less fuel in the mixture otherwise wham to much nox and no pass the mans law...

Jun 12, 2009 | 1990 Jeep Wrangler

1 Answer

Pressure switch on my intertherm furnace m3rl080a bwt is rated at -1.74 is that the wrong switch rating for my unit or should it be closer to -1.0 ,I live at an altitude over 6000 ft if that makes a...


the altitude makes a huge difference. If when the unit was installed and the gas input pressure at the burner manifold was not set correctly, you could be way "underfired". Which means that you're not getting the full btu content that your unit is capable of. Your pressure switch should be fine if that's what came with the unit.

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