With this unit hooked directly to a solar panel what happens to the motor when there is not enough voltage to run it will it overheat or damage it?
1743500
it does over heat the pump use a volt regulator you can buy one on ebay for six dollars.
1743501
I have not used the unit, in fact I am returning the two I bought, but to answer your question I talked to two electricians and both said it's better to run the pump from a 24 volt battery system because running the pump without enough volts will damage it.
1743502
I have mine hard wired to TWO, Dasol 135w, 18 volt nominal solar panels at 45 feet water level pumping up hill 100 feet and I get approximately 200 to 400 gallons per day depending on solar aspect the pump handles it perfectly slows down and speeds up and just works flawlessly knock on wood, this is my second pump as the first pump the basket that runs the diaphragm broke when I was messing with it. For the price you cannot beat it..Gkwholesale rules
1743503
Low voltage always hurts electric moters add a battery to your solar charger and a voltmeter.
1743504
You should NOT connect directly to a solar panel.... you should go thru a charge controller to regulate voltage, and to cut it off when solar panels do not generate enough current/voltage...
1015580
Should not be a problem. It is a simple contactor which will shut the motor down immediately.Amperage is more than sufficiient.
264283
I am not sure what kind of answer you are looking for. But as a guess, you are unsure about the open circuit voltage. With no load on the panel it will put out the maximum designed voltage, but when loaded, the voltage will drop. Maximum efficiency with this panel is around 17 volts. You can still charge a battery with direct connection to the battery, but be aware that if the battery is near full charge that there is a possibility of over charging. With this in mind it is advisable to have some sort of solar charge controller between the panel and the battery. The solar charge controller should be designed to adjust the power consumption from the panel to maximize solar panel efficiency as well as monitoring the battery charge state. Using the panel alone will work, but there is no guarantee as to battery charge status or battery health verses time.
618597
Not meaningfully. The panel is good for slowly (day or two, maybe three) recharging the battery after use, and maintaining the charge between uses. By itself, it would barely turn the motor, and there'd be the added complication of keeping it aimed at the sun.
187687
Not sure if this would be relevant to your question but, first check the panel. Hold it so that the sun hits it directly. Mine stopped and this helped. The other thing to check, if the fountain has run dry it can burn up the motor.
1771723
Yes it will cause the fan motor to run slower than it should , which will burn out the motor.
968862
This is the motor you would connect in a circuit, but I wouldn't recommend connecting directly to a solar panel. No need for an extra motor.
640649
If it see any trouble it will kill all power. Love mine! I'm sure it has saved me money from bad power.
702051
Hi, Melvin... I have operated these motors on one 1.5V battery and they run like crazy. What the power source is has nothing to do with whether the motor will run, or not. A solar cell is a power source the same as a battery, so I would say yes, definitely, but the motor would run much slower on 1/3 the voltage. Hope this helped!
1706739
If you try to run it at 100% duty cycle it will start smoking before it gets hot. I returned mine and upgraded to a 10 Ampr that I can run at 20 volts on around 80% duty cycle
982886
i have 28W solarpanel which produces voltage between 15 and 21V depending on sunlight. Can this battery be charged with variable Dc Volt from the solar panel? will it damage battery ?
1343123
I use one of these to switch my 240v AC since it doesn't have a temperature sensor on it. Works great, but be cautious about how much power you draw through it. Without the additional heatsink (sold separately of course) it can get hot enough to begin melting the plastic casing around it. I thought I was well within the limits without a heatsink but after a year noticed some slight deformation of the plastic. Doesn't hurt to be safe and get the additional heatsink.
2195110
Yes! It runs directly in panel , no battery, I use it in my farms but I have fixed a 250 watt panel!
1655095
I'm not sure about the motor itself, but the whole unit runs off the 110 V house current. I just used it as a replacement for my noisy old fan motor.
425395
Mine unit is not hot. I'm pulling twice as many watts (~235W). I run for 5 hours. Its sounds like you have a problem, maybe a fire hazard. I'm not sure of the electrical specs, if you have a voltmeter you might try measuring the voltage or amps.
726990
yes. that is one of the reasons you need a charge controller. also remember your open voltage on solar panel [without load] is much higher. I have digital meters checking my system and when the battery is near full I can see the meter increase. that's because the charge controller limits the input to a trickle. so the load on the panel is lower. so you start to see more of the open voltage [higher voltage]. this controller also cuts off the load when the battery gets to a very low charge. so you do not damage the battery by over discharge. hope this helps.
1671983
Solar panels are really meant to be used to charge batteries, generally (highly recommended) via a charge controller. 12V devices (such as your pump) can then be connected directly to the battery terminals -- the battery acts as a voltage/current buffer. The batteries are generally deep-cycle (such as RV/marine batteries). The problem with connecting a pump directly is that the voltage from the panels will fluctuate depending on load and solar loading, and not all DC motors do okay with fluctuating voltages -- you'd have to check that this is okay with yours.