I understood that a desuperheater "stole" a little from the geo heating process to preheat hot water even in the winter. Instead, it is estimated that a desuperheater can provide between 50% and 60% of your domestic hot water requirements. TOM: And the only reason you might turn it off is when it's working too effectively. If a check valve is present, it must be removed or damage to the desuperheater circulator will occur. Well that certainly make more sense now. Inspection of Both Desuperheaters after Five Years of Service. Have a unonpowered 80 gal buffer tank in the loop with the desuperheater (DSH).During this past winter I had on avg a $2.50 bill for hot water each month. This informs me that my desuperheater was in fact working throughout the winter. Just as a comparison, in sep and april the heat, In the winter the pump really works. The unit will run more to take the outside temp from 30 to 70 than from 90 to 70. What is winter burn? The Cold Weather Rule (CWR) helps protect and reconnect your heat from October 15 through April 15. You will get more hot water in winter becase of longer run time but when the heat laod gets to much the desuper is shut off. My HVAC guy is getting back to me about issues like low EWT triggering a lockout, etc. This is all very exciti Desuperheaters. They are low heat loss tanks. This hot water then circulates through a pipe to the home's storage water heater tank. After the freezing temps stop, and your turn the water back on, you will see the drip and tighten to close the spicket. Turn the handles clockwise (“righty tighty”) to close the valves. There’s a possibility the thermostat could cause the air conditioner to turn on briefly during a short warm spell, and this can lead to ice and water being sucked into the outside unit. The only expense involved will be the cost of running the pump for this system . Look for round or oval handles. sorry i am used to forums where the new posts are at the bottom of the page this one puts them at the top. Honestly, the true answer is it depends on some scenarios. Post photos, respond to polls and access other special features. My water heater has been off for about four weeks now but not continously. Not Enough Heat; ... After around 15 minutes, the heat strips will turn off and the heat pump will come back on. So system engineering is … I'm in the process, this winter too (new house) of sealing all the leaks from the outside. Take this step if you have automatic outdoor watering systems that prevent you from shutting off the main water supply. When your heater goes unused for months, dust settles on the components. Acting as a desuperheater, a heat reclaim device cools the refrigerant only to the saturation point; no condensing takes place in the desuperheater. you will get more out of it and you can set your water heater to what ever you want. It is illegal for your gas or electric company to turn off your services if you need them for heat between November 15 and March 15 and you cannot afford to pay your bills. Consider shutting off and draining outdoor faucets to prevent water damage due to freezing. The simplest type of desuperheater is an unlagged section of pipe, where heat can be radiated to the environment. While you might be tempted to save money by turning it off when you're not home, it may be better to simply turn it down instead. Shut off valves to appliances involved in significant drainage. Desuperheaters operate in both heating and cooling mode, but the greatest savings occur in heating mode and the savings while in cooling mode are relatively small. I'm not convinced my ground loop is working perfectly this season. If you aren't using much hot water, then the desuperheater isn't removing much heat from your geo system. Components – Coils, Heaters, Motors, etc. Disconnecting the desuperheater for the rest of the winter could solve part of the issue. System is a 3 ton WF Envision installed late last summer. Turn off the water heater and see what happens. Keep Comfortable All Winter Long . regards TB These are often located in crawl spaces, basements or garages. Not ideal, but viable. We have a hot water recirculation pump attached to one of the water heaters which pulls from the hot water side. Dick. When you turn on your system, there are a few things you should look for: The smell – It’s totally normal to smell something burning when you turn on your heater for the first time in months. A desuperheater is a small, auxiliary heat exchanger that uses superheated gases from the heat pump's compressor to heat water. The ARPA Zone/Open Membership Discussion Forums. Desuperheaters only produce heat for your water in the summer when the system is cooling. A desuperheater is a small, auxiliary heat exchanger that uses superheated gases from the heat pump's compressor to heat water. oops. The loop (cold inlet and the bottom drai "What temperature should I set my thermostat to for the winter?" or it can put heat back to your unit in the heating mode and you pay for your heat through your water heater. Geothermal systems have safeguards that prevent the desuperheater from operating when that heat is needed for heating the building. So, when a winter storm gets on your radar, there's no time to lose. Should I turn off water heater if water is off? Don’t worry, it’s just the defrost cycle. And explains, As a HO that almost went with geo, how big is your house and. If you don't have a pretank for your desuper you must be sure your water heater temp is not above about 110 deg. Nice educated answer from someone who knows what they are talking about, I was thinking pretty much exactly what you responded bee. You need a skilled tech. Your hot water tank provides the rest of the heat. And we don’t mean simply turning it off from the thermostat. I have had to feed it some electrons during some of the recent warm spells her in VA. Nice to have it on a remote control. Disabling Desuperheater - how, why, where? TOM: And the only reason you might turn it off is when it's working too effectively. You often hear about how you should turn down the thermostat to save energy, and there are a slew of helpful ideas on the subject. If everyone is away from home in the daytime, or you're asleep at night, we feel 66° F (19° C) to 62° F (17° C) is best. He is exactly right, most units will turn the desuperheater off in second stage heating, thus leaving all of the capacity for space heating. We finally got a hold of one guy who told us we'd have to replace our entire AC unit. A desuperheater is not a single piece of equipment that succeeds or fails on its own, and nothing contributes more to unsatisfactory performance than thinking it is. I'll ask my hvac guy about the desuper and what he thinks. Desuperheater units are located between the compressor and condenser to utilize the high-temperature energy of the superheated refrigerant gas. From not changing your tires to tossing hot water on your windsheild, small things can do big damage this winter. But the basement is definitely cool. Dry air is an inescapable part of winter, and unfortunately, heating your home to a comfortable temperature will only make the issue more apparent. i am postive that desuperheaters work both in summer and winter, I agree they do a lot more of the water heating in summer but there is also some heating done in winter too. Being prepared can help you and your family stay safe and comfortable. I'm sure you've heard some of them right here on this blog: You can turn the thermostat down when you're out, when you're sleeping, and you can save about 1% on your energy bill per degree you turn your thermostat down! Others are reading: ERCOT leaders still cannot say when power will be restored This dust is burned off when your system is turned on. Winter Heat Pump Problems & Solutions. If you have a gate valve (round-shaped), turn the valve clockwise to shut off water. A desuperheater is a secondary heat exchanger that transfers heat from the earth in the winter, and from your home in the summer, into your domestic hot water tank. Revised: 1/30/2015 Item number: XHT1239. Jan/feb. If you have a lever ball valve, shut it off with a quarter turn; it may be necessary to use an adjustable wrench to turn off the valve. That will depend on the location of the internal connections. Laura Jull, UW-Madison Horticulture. Being prepared can help you and your family stay safe and comfortable. If you think you drove your vehicle off the lot ready for winter, you may be wrong. I think the convenience of being able to turn it on and off, especially as I have other efficient ways to get hot water, might be worth looking into. Keep us posted. Desuperheaters are also available for tankless or demand-type water heaters. Turn off the heat source and water supply to hot water heaters (if separate from your boiler). Actually the desuperheater is only one - the most important, to be sure - of 12 distinct system components (listed below). I get far more hot water off of my Waterfurnace in the winter than the summer. You step on the gas and the wheels start to turn, but they can't get much traction in the snow. You may want to look at the Marathon brand water heaters by Reem. Should I turn off water Heater if water is off? Which if you are on city water is ironic as in the winter the incomming water is a lot colder than in the summer but far more benificial. The desuperheater will be collecting the heat that otherwise would be removed from your home. Power outages during frigid winter months can endanger lives. Some have a temp cutoff at 130-135 EWT, for user safety. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. If you think you drove your vehicle off the lot ready for winter, you may be wrong. The hot gas from a properly charged heat pump compressor is +180^F into the desuperheater. This is perhaps one of the most commonly asked questions on the internet, and, as is often the case with questions asked on the internet, it’s at the same time, one of the most ill-advised. In the meantime, I've been reading about disabling the desuperheater. Goals over the next year are to insulate the walls properly in 1/2 the basement (and floor), and put insulation batts in the basement ceiling in the other 1/2, to separate the house proper from the basement. A desuperheater does not affect the heat output of the geothermal system in the winter. ! According to the contractor who installed it that is normal for R410 systems and oppisite form R22 sytems. This hot water then circulates through a pipe to the home's storage water heater tank. Submit a Public Comment A desuperheater "will" work year round, but unless you have an abundance of excess heat, such as in the case that Delta T has described, it is best to turn off the desuperheater in the heating season. The desuperheater installed during the … Step 1: Superheater desuperheater disassembly. your best bet is a pretank for the geo. The desuperheater is part of the geothermal heat pump's domestic hot water generating system (HWG). Shut off the water valve that feeds water to the outside faucets. See Figure 3. The traction control does what it's supposed to do; it uses the brakes to stop the wheels from spinning. Turn off water supply going to water heater. Turn off the heat source and water supply to hot water heaters (if separate from your boiler). There is only so much heat produced. Desuperheaters are also available for tankless or demand-type water heaters. I'm in the process, this winter too (new house) of sealing all the leaks from the outside. I'll ask my hvac guy about the desuper and what he thinks. The HP models I have seen with a desuperheater ( hot water generator ) place the HWG after the compressor before the reversing valve. During high cooling loads, the desuperheater should be able to heat all of the water. Keep Comfortable All Winter Long . From not changing your tires to tossing hot water on your windsheild, small things can do big damage this winter. Most unit will turn off the desuperheater pump when 2 nd stage of the compressor is called for. Dry air is an inescapable part of winter, and unfortunately, heating your home to a comfortable temperature will only make the issue more apparent. The traction control does what it's supposed to do; it uses the brakes to stop the wheels from spinning. Shut off secondary supply valves. It may be against the law for your utility company to stop your heat this winter. It makes perfect sense. But there can be a savings by using geo for water heating. Our 20th year anniversary is May 21, 2020. The desuperheater is part of the geothermal heat pump's domestic hot water generating system (HWG). However, apart from the obvious risk of injury to personnel from such a hot item of plant, and the expensive energy wastage, this approach does not adjust to compensate for changes in the environmental conditions, steam temperature or steam flowrate. It comes out much cooler and goes on to the outside condenser. I didn't follow what you would gain by doing this. If you turn off the water, you must then drain the water spicket by turning to the left to eliminate any water that may be holding in the line and after draining, you can close it 95% back to the right. During the winter time, depending on your hot water system the savings will vary but you can expect up … Inspect the dip tube in the water heater cold inlet for the check valve. The desuperheater, however, is only a symptom of what is probably the real problem. I think the convenience of being able to turn it on and off, especially as I have other efficient ways to get hot water, might be worth looking into. Then, the heat absorbed from your home's air is transferred to your domestic water. Prepping the AC for the off-season. You step on the gas and the wheels start to turn, but they can't get much traction in the snow. With my desuperheater and the Marathon 85 gallon water heater, the electric elements almost never need to turn on during the winter months. If you are concerned about your personal health, the comfort of your home, or maybe even your bills, then using your heater and humidifier in tandem is your best bet. One desuperheater loop is plumbed to each water heater, with the DSH In coming from the cold water side of the heater, and the DSH out going to the bottom of the water heater.

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