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LG BH520TW (S72B1-C W2, T2 ) - LG Audio Players & Recorders

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Just purchased this heater, the fan comes on but the heat is next to nothing. I checked the voltage at the elements and is is 235v the amperage on L1 and L2 is 20.8a. If I pull the fan wire off the relay,...


First off, 20.8 amps is approximately the amperage draw on a single element furnace (nominally 5 kw.) So if you have 3 or 4 elements, (15 or 20 kw capacity) the problem is the remaining elements are not being enrgized. Look to see if there is a W1 and W2 and even possibly a W3 terminal on the terminal strip. If so, and its not a heat pump, there should be thermostat wires on all three, indicating three stages of heat. To energize those properly, the thermostat should be a multi-stage heating thermostat providing W1 and W2 at the minimum. If you do not have a multi stage thermostat, and there are no wires on W2 and W3, jumper W1, W2 and W3 together and the furnace will come on at full capacity with the single stage thermostat.

If you DO in fact have wires on the additional W terminals, you more than likely have a heat sequencer that is not energizing the 2nd and possibly the third stage of heat. A three element furnace is typically called a 15kw furnace and the three elements should draw approximately 19 to 20 amps each. So when each stage draws in, the clamp on amprobe on the main incoming wires will correspondingly increase with each stage.

Also, some 15 and 20 kw furnaces require two circuits to supply the elements, and I have been on calls before where the second breaker was not turned on, and in one case, the second circuit wasn't even wired in from the electrical panel box.

DO NOT pull the wire off the fan while the heaters are energized as they will rapidly cycle on an overtemp device. Some actually have a "one time" thermal link that once melted render the respective element inoperable until that thermal link is replaced. They will melt very easily. An energized element MUST have airflow across it !!!

Dec 13, 2014 | Ouellet 5000-Watt Utility/Garage Space...

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I am a former employee,where do i find my W2 form on line?


Your former employer should automatically send you a W2 for 2013, if you received any wages and had any withholdings during 2013. If necessary, contact the former employer, their Human Resources Dept. and ask they mail you a W2, or ask them how you can access and print out your W2 from their website.

Jan 29, 2014 | Zenith SY1931SG TV

1 Answer

My old honeywell connections are w2,g,e,l,r,c,y,o the new emmerson is only o/b,y,g,w2,c,l,r This is a heat pump system can't figure where to put wires


All are equal.

W2-W2,g-g,l-l,r-r,c-c,o-o/b,e stands for earth. You can connect with any earthing or if no wire in e leave it.

Nov 14, 2013 | Honeywell Heating & Cooling

1 Answer

2600949. exe


LG cd &DVD draver sata no reding

Dec 14, 2011 | ASUS T2 P4P8T WO/CD/MDM FM AGP8X GETH WIFI...

1 Answer

Where does the W2 wire go?


w2 wire is second stage heat does your furnace have two stages.look at gas valve it would have 2 valves/ sol w2 will go to w2 on stat. if a single stage furnace w2 is not used

Jan 25, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

Line voltage Tstat installation Dayton D-F79 elctric shop heater


If I understand your post correctly....You state that you are hooking up a 240v heater and towards the end you speak of removing jumpers...W2 terminals..ect. It sounds to me your trying to us a 24v low voltage thermostat instead of a Line voltage thermostat.That's what I'd take a look at.

Dec 16, 2008 | Dayton (3E379) Heater

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RTH7400 thermostat installed-screen display unlit-used page 10 wire installation. Used heat pump wiring-which does not show W2 and Y2 on heat pump schematic, so used conventional displayed W2 and Y2...


w2 and y2 are used for 2stage applications

w2 = 2 stage heat
y2= 2 stage cool

If your system is a single stage system, look for the y1 and y2 terminals. If the thermostat does not have y1 and y2 then you may have the wrong thermostat. As always, please read the directions carefully. Thanks!

Jul 03, 2008 | Heating & Cooling

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