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Volts to high

240 side volts to 257 - 120 side volts to 134-135

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  • Anonymous Sep 27, 2008

    I had the same problem with my Coleman Powermate Black Max 7000W-8750W Mod# PMO497002 with a 13hp Honda. I took solution#1's advice and turned down the RPM and the voltage dropped accordingly. On a 13hp Honda, it is a phillips head screw with a coil spring around it. With a voltage meter plugged in one of the AC outlets, turn the screw CCW until the desired voltage is achieved. Thanks again.

    Since Coleman went down hill, I couldn't even get any of their previous service centers to even look at it. I had to take matters into my own hands.

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1 Answer

In order to set voltage you have to adjust the govener idle screw , that is what helps regulate the voltage, the higher the motor revs, the higher the voltage, the lower, the lower the voltage. the govener arm is normally a gold color arm with a small rod connected on top of the block. it should have a screw with a nut, or just a screw. turn counter clockwise, then ck voltage output,repeat till desired voltage. i usually, set mine at about 124, because once you put a load on it, it will bring the voltage down some. hope this fixes your problem. let me know. troy

Posted on Sep 27, 2008

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How do I know if my Hotpoint oven 920 years old0 is on a 220 0r 120 line? The serial plate says 120/220.


An oven uses both 120 & 220 -- actually it would be 120 volts and 240 volts or nominally, 110 volt and 220 volt.

The 120 is used for the lights. The 240 is used for the heating elements.

A 240 volt breaker (nominally 220 volt) -- supplies both 120 and 240 volts depending on how the supply is connected to the appliance.

There will be a 240 volt (nominally 220 volt) breaker in the main panel for the oven. This is two 120 volt breakers side-by-side with their toggle switches connected together with a strap across the top of the toggles.

Charlie

Jan 11, 2011 | Hotpoint Ovens

2 Answers

I TURNED ON POWER TO MY NEW ELECTRIC WATER 40gal MODEL # GEM402 AFTER FILLING WITH WATER. WATER WOULD NOT HEAT UP. CHECKED THREMOSTATS BOTH WERE PRSET AT 120 CHECKED POWER,BOTH HOT WIRES HAVE 124 VOLTS TO...


The controls of electric water heaters are designed so that at no time are both the top and bottom heating elements energized. Nearly all electric water heaters of this capacity in the US & Canada (other places, too) operate on 240 Volts.

When the water in the tank is below the set point of the thermostat (in your case - 120 degrees), the top heating element is expected to be on - (unless there is an issue with the top thermostat or limit switch). The top most control is the "high temperature limit". It is identified by the reset button on it. Make sure this isn't tripped by depressing the button. If it clicks - it was tripped and should start to make hot water at this point. If not tripped, you should check for the presence of 240 Volts between the heating element terminal screws. Do not measure from ground to a terminal screw and believe 120 Volts is "good". To make heat, you need 240 Volts - not 120 Volts measured across the terminals - not to ground. The amount of heat created running at 120 Volts is only 1/4 of what it will do at the correct voltage.

If you don't measure 240 Volts on the top element, check the bottom element in the same manner described for the top element.

If unable to measure 240 volts on any element, either there is a problem with the power source (blown fuse or circuit breaker), high temp limit switch, or thermostat(s).

If 240 Volts is present on either heating element, and water is not warm / hot in 30 minutes or so, a defective heating element is suspect. You can change controls without draining a tank, but replacing elements will require draining the tank first. Do not power the water heater without first filling it.

You can read a very detailed "how to" article about checking water heaters here.

I hope this helps - and good luck!

Nov 04, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

I am working with a Dayton 2YU39. The name plates states that it has to be powered by 208 volt system. There's a 3-phase panel and a single-phase panel. The 3-pahse panel L1 to ground is 118 volts. L2 is a...


Hi,
Here's what I think but you will have to check it out...
The fan motor in the 39 heater is a 120V fan there fore it cannot be hooked to the 240 which potentially could have the high (wild) leg as one of the fan legs...
The 240V 36 unit probably has a 240v fan motor....
Now if you were to make sure that the leg that fed the motor was a 120V to ground leg then you will be okay...
Hope you understand where I was going with this...

heatman101

Oct 27, 2010 | Dayton 2YU44 Electric Heater

1 Answer

How do you tell with a voltmeter if the contactor coil is bad?


Check for 24 volts AC at the coil. If you do not have 24 volts at the coil (with AC turned on at your thermostat), then your problem is not with your contactor, but rather a control problem. If you have 24 volts at the coil, check for 240 volts on the LINE side (commonly marked L1 & L2) of your contactor. If you do not have 240 volts, check for open fuse or tripped or bad circuit breaker. If you have 240 volts, check for 240 volts at the LOAD side of your contactor (Commonly marked T1 & T2). With 24 volts on your coil and 240 volts on the LINE side, you should have 240 volts on the LOAD side. If not, the contactor is not making contact.

You can also perform a continuity test as shown in this video:

May 23, 2010 | Ruud UAKA030 Air Conditioner

1 Answer

I NEED A WIRING DIAGRAM FOR A 120/240/24V ACME CONTROL TRANSFORMER.IT HAS H1,H3,H2 AND H4 ON ONE SIDE(PRIMARY). SIDE 2 HAS X2,F1,F2 AND X2 (SECONDARY). IT CAME WITH NO INSTRUCTIONS AND I NEED TO HOOK IT UP...


If you're wiring up 120 volts to the primary then you need to connect H1 and H3 together, then connect H2 and H4 together. Then connect one side of line (120 volts) to H1 and H3 and connect the other side of line (120 volts) to H2 and H4. Then for the 24 volts secondary X1 is one side of your 24 volts and X2 is the other side of your 24 volts.
For 240 volt primary connect H2 and H3 together, Then connect one side of your Primary (240 volts) to H1 and connect the other side of your primary (240 volts to H4. Then your Secondary 24 volts is still X1 and X2.

May 08, 2010 | Heating & Cooling

1 Answer

I am installing a brand new nordyne furance I am not getting power to the 24v transformer the 240 wires going to the transformer are connected to the same leg. What leg is the wires suppose to be connected...


The have to be connected to both legs of the 240 volts, one wire on each leg. You have to have 240 volts going to the high voltage side of transformer.

Feb 21, 2010 | Heating & Cooling

1 Answer

My dryer blows no hot air


HI

THE DRYER HEATER OPERATES ON 240VOLTS. CHECK TO BE SURE YOU HAVE 240 VOLTS AT THE OUTLET. WITH ONLY ONE SIDE OF THE CIRCUIT, THE MOTOR WILL RUN ON 120 VOLTS, BUT THE HEAT CIRCUIT WILL NOT.

MOST DRYERS HAVE A HIGH LIMIT THERMOSTAT NEAR THE HEATER ASSEMBLY. SOME HAVE A THERMAL FUSE AS WELL. THE HIGH LIMIT WILL CYCLE, BUT THE THERMAL FUSE WILL NOT RESET. CHECK FOR 240 VOLTS AT THE HEATER TERMINALS. IF YOU HAVE IT, THE HEATER IS BAD.
IF NOT, TRACE BACK THROUGH THE CIRCUIT UNTIL YOU FIND THE COMPONENT WITH THE 240 VOLTS ACROSS IT.
THAT WILL BE THE BAD COMPONENT.

MAKE SURE THE SELECTOR SWITCH IS SET FOR HEAT.
OITHER ITEM IN THE HEAT CIRCUIT:
CYCLING THERMOSTAT, TIMER, SELECTOR SWITCH, MOTOR CENTRIFUGAL SWITCH.

THANKS FOR CONTACTING FIXYA.COM

Sep 11, 2009 | Whirlpool Dryers

1 Answer

No hot air


THE DRYER HEATER OPERATES ON 240VOLTS. CHECK TO BE SURE YOU HAVE 240 VOLTS AT THE OUTLET. WITH ONLY ONE SIDE OF THE CIRCUIT, THE MOTOR WILL RUN ON 120 VOLTS, BUT THE HEAT CIRCUIT WILL NOT.

MOST DRYERS HAVE A HIGH LIMIT THERMOSTAT NEAR THE HEATER ASSEMBLY. SOME HAVE A THERMAL FUSE AS WELL. THE HIGH LIMIT WILL CYCLE, BUT THE THERMAL FUSE WILL NOT RESET. CHECK FOR 240 VOLTS AT THE HEATER TERMINALS. IF YOU HAVE IT, THE HEATER IS BAD.
IF NOT, TRACE BACK THROUGH THE CIRCUIT UNTIL YOU FIND THE COMPONENT WITH THE 240 VOLTS ACROSS IT.
THAT WILL BE THE BAD COMPONENT.

MAKE SURE THE SELECTOR SWITCH IS SET FOR HEAT.
OITHER ITEM IN THE HEAT CIRCUIT:
CYCLING THERMOSTAT, TIMER, SELECTOR SWITCH, MOTOR CENTRIFUGAL SWITCH.

Apr 03, 2008 | Dryers

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