Or, a good alkaline cleaner like CalClean (10:1) or Tri Pow'r (5:1) can be used followed by a complete rinsing. Yes, our Green Clean will easily fill that need; in fact, it has been found to be a better cleaner than Simple Clean. The liquid goes into solution with no stirring which is a desirable feature, especially in cold weather. and advise what can be done to remove it. Use it to clean small indoor kitchen equipment, condenser and evaporator coils. No need to rinse the evaporator and the condenser only needs a light water rinse for minimal clean-up. per day.NP24PC Micromet/Carbon Cartridge - 4706-87NP48PC Micromet/Carbon Cartridge - 4716-87, Objectionable Tastes and Odors:Use either the NP24C or the NP48C carbon block cartridges. If the amount of water in system is not known, the starting dosage can be estimated from the following chart. NU-Calgon. The ice tends to stick to the scale and this jams the machine. Rebuildable coils, however, are ones that will need to be attached by using a small screwdriver, or similar tool. 06-04-2011, 05:38 PM #2. Coils can be split into two types: Rebuildable Coils and Stock Coils. Installer may then utilize flare fittings, compression fitting or the male plug for quick disconnect fittings. Because of the mineral oil’s poor miscibility with the targeted HFC. This will cut down on the amount of scale remover you'll need, and prevent waste. GO TO AMAZON. Powdered sulfamic acid cleaners are also excellent algaecides. A foaming solution for evaporating coil cleansing is great at tackling heavy duty dirt, such as a coating of thick grease and other organic residue that has penetrated deep inot the coil bed. Use an up-and-down motion; vacuuming across the fins can bend them. When it is neutralized and unable to dissolve scale, it will be purple. Preventing Scale Deposits:Micromet is a slowly soluble food-grade polyphosphate that keeps scale-forming minerals in solution and prevents formation of scale on the freezing surface of ice machines. . 90. 2. Both are equipped with 1/8" FPT connections. Prevent Scale, Removes Sediment and Removes Objectionable Tastes and Odors:The complete treatment program for commercial ice makers, coffee urns and brewers, beverage makers and other water-using equipment such as humidifiers, steamers and residential refrigerator ice makers. Because the HFC’s have very poor miscibility with mineral oil and only marginal miscibility with alkylbenzenes. In fact, the Phase III Test Kit can be used on all three oils: mineral oils, alkylbenzene oils, and polyol ester oils (both ICI and Mobil). To double check the cleaning operations and acid strength, pH test paper is provided. This foaming coil cleaner is detergent-based and is ideal for cleaning evaporator coils since it has a fresh lemon scent. The action of the foam will lift the grease and grime right out, without forcing the residue further into the coil, so that it can be easily rinsed away. This is a three step program that will enable an air conditioning, refrigeration ventilating system to operate at designed conditions in terms of air quality. Powdered acids are safer for the equipment, and when properly inhibited, will provide excellent protection to steel, copper, brass and aluminum surfaces. Cleaning your coil is simple as the list suggests: 1 Remove the wicks from the coils; 2 Dry burn the coils as lightly as you can; 3 Remove atomizer from your mod; 4 Place the atomizer under running water while lightly brushing with a toothbrush; 5 Rinse one more time; 6 Dry burn the coil to remove droplets of water However, in nearly all localities, it is acceptable to flush the solution to a sanitary sewer with water once the solution has been neutralized. Lime Scale Formation,Sediment, Objectionable Taste or Odor, Slime Growths,Rough Freezing Surface Cloudy or Milky Ice, or Dirty Cooling Coils. You do not want to spray a lot of water that may get down to the control board or the blower motor if your system is designed that way.There are other Item #1151355. Amount of Acid Required: The amount of acid required to completely clean the system depends upon the amount of scale present. . A built-in pH color indicator shows how much to use, when to add more and helps tell when the system is clean. Prevent Lime Scale, Sediment or Objectionable Tastes and Odor:The NP Series is a complete, multi-functional treatment system, consisting of two different size housings, the NP24DD and the NP48DD, and a family of "problem solving" cartridges. aerosol - 4290-75. Refill it with fresh water and start the pump again. It will help the coil to stay cleaner longer, and the next cleaning will be very easy. 9.6. Access the Coils. Special HD CalClean was specifically formulated to handle such a cleaning requirement. It will provide excellent cleaning and detergency, and it will degrease at a fraction of the cost of other market available coil cleaners. Micro-Plus Treatment Systems are available in a variety of size capacities, from the Micro-Plus 2, which can be used on equipment using up to 12 1/2 gallons of water or 25 lbs. There are two units available: NP-UV4 which will handle a maximum flow of 0.5 gpm and the NP-UV6 which will handle 1.0 gpm. AC Coil Cleaning is Cost-Effective. Disinfection is achieved by exposing the makeup water to ultra-violet light at a controlled water flow rate and then filtering with carbon. You should always be aware of any local regulations that may govern the disposal of acid cleaning solutions. First, a bleed or dump cycle of the unfrozen recirculating water must be maintained. Thoroughly rinse off the chemical and repeat the cleaning if necessary. Manufactured from FDA-Approved materials.NP24C Cartridge - 4701-87NP48C Cartridge - 4711-87, Food Grade Silicone:Often times, particularly in older machines, the freezing surface will not be as smooth as it was at the time of original installation. That would be Special HD CalClean. Most of the condenser coils we tested in the lab were cleaner than both of those. When using the term in discussing refrigerants and oils, it refers to the ability of the gas and the oil to remain as one mixture, one homogeneous mixture, as they travel through the system, from the compressor and back to the compressor. Instead, cleaners like regular CalClean or Tri-Pow'r should be used... Alkaline-based cleaners are always better degreasers and cleaners. Nu-Brite 4291-08 Ac Coil Cleaner. Drain and flush out the sump. And the number one supply you will need is a chemical cleaner that is especially made for cleaning an evaporating coil. the best no rinse coil cleaner? Powdered acids, such as our scale remover, provide the utmost safety in handling to the user. Adding too much powdered acid will not cause excessive corrosion rates while adding too much liquid acid can increase the corrosion rate tremendously. Also, a gauge package is available for use where it is necessary to continually monitor the pressure of the water serving the ice machine, beverage machine, etc. Evaporator coils:Buildup of greasy dirt on air conditioning or refrigeration cooling coils makes the units work much harder. First of all, you must choose one that will be safe for your particular a/c system. When it turns purple, another dose of acid equal to the first must be added. No more than 3 doses of acid should be added to the water together. Dirty window units can be cleaned easily without damage to paint. What does everyone prefer? When the returning solution does not contain any bubbles or foam it is a sign that the lime scale has been removed. They are based on nearly 40 years of experience and technical background in coil cleaning. Use of HFC’s requires the use of a POE oil and optimum system performance will only be achieved when the mineral oil content is below 3-5%. The phase separator separates the oil being tested from its acid content, and that permits easy, accurate determination. These should be checked out before the full blame is placed on scale. Liquid Scale Dissolver - A hydrochloric (muriatic) acid with a low-foaming corrosion inhibitors and a built-in pH color indicator. Then stir. Non toxic, non c: Formulation: Water (80-90 ), 2-Butoxyethanol (1-5), Sodium silicate (less than1), Tetrasodium EDTA (less than1) Application: The Pro-Green™ is a non-toxic, self rinsing evaporative coil cleaner which is a safe-to-use product on your evaporator coils. Protecting: The final step in this IAQ program is the use of Pan-Pads, a condensate pan treatment that is effective against a wide spectrum of bacteria, including Legionella. This is the best choice currently available in the market at the best price. In fact, excessively high head pressure is a common cause of motor burnout which costs considerable inconvenience and money. The circulating solution should be checked periodically with pH test paper to make sure that it remains at the proper acid strength. of ice per day or other equipment using up to 100 gallons of water per day. Typically, wherever electronic air filters are installed, the quality of the air is paramount. WEB Products Air Conditioner Coil Cleaner. of ice) per day, while the NP48PC can handle 135 gallons (1200 lbs.) For window units, you will … We will determine whether it contains sulfate, iron oxide, silica, etc. . Double action of high pressure blast and solvent cleaning restores design efficiency of condenser coils...quickly and easily. All of the refrigerants that are recommended as "CFC replacements with no oil change" are blends that incorporate a significant level of R-22 as part of the gas. Apply noncaustic, nonfuming coil-cleaning chemicals and let them sit for a few minutes to penetrate. For very dirty coils, we recommend getting 2 cans, and using a soft bristle brush with the spray from the first can, rinse it off, then repeat the process a week or two later, with only the water rinse. Breakdowns occur during the hottest weather when full capacity is needed. Shut off the bleed, if there is one. from the air. Coil Protection:Once coils are clean, they should be sprayed with a fine coating of Cal-Shield, a Teflon-based product, as it can protect the coil, helping it to stay cleaner longer and to clean-up much easier when cleaned. HFC’s exhibit excellent miscibility with POE’s. Frost King ACF19 Air Conditioner Coil Cleaner. 6 Run a fin comb down the fins of the air conditioner to straighten them. Both are food-grade acids formulated to remove scale deposits from ice makers. Cleaning restores designed air flow and it provides for cleaner air. They will provide the cleaning of the CalClean products with the added features of foam and brightening. Removes VOC's, TOC's and cysts (giardia lamblia). Treatment with the phosphate will stabilize the minerals and thereby avoid scale formation. FREE Shipping. 4.0 out of 5 stars 1. Where does the dirt go with a non-rinse cleaner? It is easy to apply and the sprayer can make this non-hazardous and easy to use. Miscibility is the ability of two substances to mix together. The source of the problem is bacteria, and it may be water-born or air-born. And because R-22 has marginal miscibility with mineral oil, use of the "no oil change" approach will jeopardize system performance, particularly in low temperature application. (Pack of 2) 4.6 out of 5 stars 79. Like the condenser coils mentioned above, using force to spray from outside in can cause deeper clogs. Manufactured from FDA-Approved materials.NP24S Cartridge - 4702-87NP48S Cartridge - 4712-87, Scale Control & Taste/Odor Removal Cartridges:Both of these NP Series Cartridges are highly-specialized elements, bringing the capabilities of 6R Micromet and activated carbon together in one element. When the returning solution does not contain any bubbles or foam and is the same color as the solution in the tank, it is a sign the equipment is clean. The cleaner will shortly form a thick foam coating on the coil, which will lift out all the grease and other contaminants from the evaporator. Liquid acids (such as Nu-Calgon Liquid Scale Dissolver) are somewhat more economical, and strong solutions will dissolve scale and iron oxide deposits faster than powdered acid solution. For example, for every 2°F rise in condensing temperature caused by dirty coils, the system efficiency drops by 1% and power consumption rises by 1%. It is a … How to Test the Scale - If there is any question as to whether the scale remover will dissolve the scale, you can check this by putting a sample of scale into a half glass of water with two or three teaspoonful of the acid. The second question to consider is how dirty the evaporating coil is. Using the brush attachment, very gently vacuum the fins. How to Clean Air Conditioner Coils: 14 Steps (with Pictures) The Nu-Calgon 4171-75 Evap Foam No Rinse Evaporator Coil Cleaner is a spray cleaner that foams up to remove dirt, grease, oil, and other residues. Note: Wrap fan motor with plastic sheet before spraying with cleaning solution. Pro-Green™ is a no rinse, mild alkaline coil cleaner that can be used on air-cooled condensers, evaporators, electronic and permanent filters, fan blades, grilles, mini-split and microchannel applications. It has a pleasant odor and is non-flammable and non-conductive.18 oz. Before cleaning with acid, check the spray nozzles or water distribution holes and clean them out. Of course, making sure you have the right equipment and supplies for the chore is the all important first step. Item #1226758. Without question, you should use an alkylbenzene lubricant like Zerol, and for one very good reason: Zerol alkylbenzene has the best miscibility with R-22, significantly better than mineral oil, and it’s use with R-22 will insure good oil return to the compressor and no oil logging in the evaporator. This chemical reaction produces heat and several fumes and gasses (primarily hydrogen) which causes the coil cleaner to foam and push out the dirt loosened by the wetting and heating process. The vape coil is the heating element you’ll find inside your device. Here we also have the top 10 best no rinse evaporator coil cleaner … These Frequently Asked Questions are designed to provide a better understanding of our products and their technical applications of the HVACR industry. Removing Scale Deposits:Liquid Ice Machine CleanerNickel-Safe Ice Machine Cleaner. General cleaning jobs:Several of the Nu-Calgon products can be used effectively in many general cleaning situations where there is a buildup of grease or other heavy soil. Cleaning your HVAC evaporating coil as a do it yourself project is a great way to maintain your system in top running order while at the same time saving a good deal of time, money and hassle. It may be heavy dust clogging or thick grease, for example. It gives the water a green or light blue color with the acid at the desired strength and causes the water to turn dark blue or purple when the acid is mostly neutralized. Spray it on directly from the can… wait a few minutes, and spray it off with a garden hose or steady water stream! High Foaming Coil Cleaner for Evaporators - How does it Work. Quite the contrary. It is an excellent degreaser and cleaner, and it contains the best surfactants or wetting agents and the best corrosion inhibitors to protect system metal. There’s no longer any need to waste hours waiting for a high paid technician to come and do a job that you’re quite capable of tackling yourself. This NU-BRITE AC coil cleaner is the best cleaner in our list. If you clean it regularly, it may need just a light touch up in preparation for the beginning of the summer season. 3. It contains an extra-strong blend of surface-active agents and alkaline cleaners designed especially for cleaning electronic air filters, Special HD CalClean outperforms ordinary detergents and is safe to use. Lundmark Coil Cleen, Air Conditioning Fin & Coil Cleaner, 32-Ounce, 3226F32-6 Lundmark, Inc. Liquid Acid Versus Powdered Acid - Some acid users prefer liquid acid for cleaning scaled-up equipment, while some prefer safer dry materials. The first, Evap Pow’r, is available in two forms: a concentrate, Evap Pow’r-C, that should be diluted 3:1 and a ready-to-use product, Evap Pow’r - Rtu. If you’re not sure what your evaporator is constructed from, check to make sure that the solution you plan to purchase can be used on all kinds of metals. Scale deposits reduce water flow, cut heat transfer and cause high head pressure. Designed for use in either the NP24DD or the NP48DD Housings, they provide for the control of scale as well as the removal of objectionable tastes and odors and filtration to 10 microns. One approach would be to sanitize the machine on a regular basis with IMS-III Ice machine Sanitizer after cleaning. http://gurtech.guywalderonline.com/images/logos/BTG.png, http://gurtech.guywalderonline.com/images/logos/dalkia.jpg, http://gurtech.guywalderonline.com/images/logos/hilton.png, http://gurtech.guywalderonline.com/images/logos/intel.png, http://gurtech.guywalderonline.com/images/logos/phoebus.jpg, http://gurtech.guywalderonline.com/images/logos/teva.jpg, http://gurtech.guywalderonline.com/images/logos/trane.jpg, כל הזכויות שמורות לגור טכנולוגיות ניקוי מערכות תרמיות בע"מ. It is reasonable but it has its limits. When the acid/water cleaning solution is at proper strength, it will be green-to-light blue in color. 18 oz. Cleaning your HVAC evaporating coil as a do it yourself project is a great way to maintain your system in top running order while at the same time saving a good deal of time, money and hassle. Since they are less dangerous and easier to use, less supervision is required. Cooled air is cleaner, too. $46.90 $ 46. The built-in pH color indicator in our "Imperial Grade" Scale Remover and Liquid Scale Dissolver is a very good guide to the proper application of the product. Self-rinsing on condensate producing coils, indoors and outdoors. The AC coils are found inside the air conditioning unit. Compare; Find My Store. aerosol - 4290-75, Nu-Cal UV Series:After years of testing and refinement, an ultraviolet light method of purifying water and eliminating slime growths in ice machines is now available. Electronic Air Cleaners:These filters have charged plats that electronically remove pollutants, tobacco, tar, etc. Score. It is NSF-listed and it is USDA-accepted. Window units:Both the condenser and the evaporator can become dirty. There’s no longer any need to waste hours waiting for a high paid technician to come and do a job that you’re quite capable of tackling yourself. Evaporator Coils:Typically, the desired goal is the same as in cleaning air-cooled condensers . 69 ($0.82/Ounce) FREE Shipping. This is often a recommended procedure when filtering water with a high level of silt or sediment. The NP486R Micromet Cartridge contains double the amount of 6R Micromet and can treat up to 1800 lbs. The cleaner may then be simply rinsed off with water. of ice per day. Both are rated at 10 microns and provide greater absorption capacity than typical granulated activated carbon. When properly sized, treatment will last for six months.NP246R Micromet Cartridge - 4705-87NP486R Micromet Cartridge - 4715-87, Sediment Removal:Use either the NP24S or the NP48S polypropylene sediment cartridges. Greasy dirt and dust in the air collect on air conditioner and refrigeration heat exchange units. . Scale is the solid matter left after water is heated or evaporated. If you are unable to find your question below please call us at 800-554-5499 or email info@nucalgon.com. A high pressure rinsing system is not necessary. Protect equipment and maintain efficiency by using CalClean to remove dirt and greasy film from coils and filters.20 oz. When properly sized, Micro-Plus will last for six months. Air-cooled condensers:The primary goal in cleaning air-cooled condensers is to emulsify the greasy dirt and grime so that it can be flushed away by rinsing. General Cleaning Jobs:Most of the Nu-Calgon products can be used effectively in many instances where there is a build-up of grease or other heavy soils. No matter which type of cleaner you use, Dyle stresses the importance of cleaning in the right direction so the coil doesn’t become packed with dirt. Here are just a few of these other causes: pump sucking air, water lines too small, louvers or sprays plugged, tower overloaded, fan trouble, or moist air returning. It will not corrode or tarnish aluminum or other metals when used in recommended concentrations. pH test paper also included. There are two types of Micromet that may be used: Micromet Crystals which dissolve at the rate of about 25% per month and require monthly recharging, or 6R Micromet which dissolves about 3-5% per month and lasts up to 6 months between service calls. These capacities are based upon clean surfaces. The acid solution should be circulated for 1/2 to 3 hours depending upon the thickness and type of scale. There are various types of cleaning solutions designed to get the grime off your HVAC’s evaporator. To be a truly effective approach, one A: The no-rinse approach for cleaning evaporator coils gained popularity in the very early ’80s. Professional-grade alkaline cleaning solution for evaporator coils will loosen dirt and mold from inside the coils, the spray wand will reach the tight spaces within the unit, and the bench brush will grab and hook dirt inside the … (Pack of 2). aerosol - 4081-75, Aerosol Nu-Blast:A "no-rinse required" condenser coil cleaner in a convenient aerosol package. Series Name. Specifications. You do not want to use a high-pressure spray because you will be spraying into the coils. This Nu-Calgon 4290-75 Nu-Blast coil cleaner is designed to make cleaning condenser coils fast and easy! Professional grade foaming solvent. Web 19 oz coil cleaner. However, all acids will remove a small amount of galvanizing during cleaning, and the use of Imperial Scale Remover, or Season Start, is the best choice as its inhibitors will provide up to 96% protection of the galvanizing. Occasionally, the water indicator does not show up very well in a system where there is a lot of dirt, rust, algae, etc. Micro-Plus systems are designed and manufactured to eliminate or control the three primary water-related problems...lime scale, silt and sediment (down to 20 microns), and objectionable tastes and odors. This cleaner is formulated with high solvency cleaning power and a high-pressure spray system that delivers a knockout punch to grease, dirt, oil, and soil deposits, separating them from the coil surface and liquefying them. It keeps condensate pans clean, preventing bacterial growth and thereby preventing blocking of the pan's drain. The Nu-Calgon 4171-75 Evap Foam No Rinse Evaporator Coil Cleaner is a heavy-duty detergent that will immediately start foaming once it comes into contact with dirt and grime. Q: What about “non-rinse” cleaners? Once the drip tray is cleaned, use water to rinse off the coils. of ice per day, to the Micro-Plus 16 for treating up to 100 gallons of water or 1000 lbs. It is NSF approved for use in federally inspected plants and available in numerous packaging configurations. Mineral oils exhibit the best miscibility with R-12, and only marginal miscibility with R-502 and HCFC’s. Most alkaline cleaners don't because they simply cannot emulsify the stubborn deposits such as tobacco tars. When using liquid acids never use a solution containing more than 1 gallon of liquid acid for each 5 gallons of water. One can usually tell when the equipment is clean by observing the acid solution returning from the condenser. Low pressure drop ratings...0.5 psi at 5.0 gpm flow. The compressor works harder and draws extra current, increasing power costs and causing equipment to fail to product the designed capacity. Use of mineral oil with these refrigerants encourages problems like carbonization or burning of the mineral oil, loss of capacity, loss of efficiency, etc. Score. The solution should be neutralized while it is still in the system, through the use of soda ash or similar alkaline neutralizer. Air-cooled condensers:When air-cooled condensers are designed and manufactured, each units has a specific heat transfer capacity. Use CalClean, Green Clean or Tri Pow'r at a concentration of 1 to 2 ounces per gallon of warm water. Nu-Cal UV Series: The power supply is regulated by a custom designed 110V ballast.NPUV4 - 4720-04NPUV6 - 4720-06110V Ballast - 4720-99. These aerosols are sprayed on, and if the system is working well, the condensate on the evaporator coil will provide a thorough-enough rinse job. Rinse the coils cleaner and debris it has collected into the drip tray and down the drain line. Either Liquid Scale Dissolver (a liquid hydrochloric or muriatic acid) or Imperial Scale Remover (a powdered sulfamic also known as Season Start) can be used. Vacuum dirt and debris out of the bottom of the unit. It forms thick deposits on heat transfer surfaces and prevents the heat from being carried off. Polyol esters (POE’s) have good miscibility with all refrigerants while alkylbenzenes like Zerol have good miscibility with both CFC’s and HCFC’s: (especially HCFC’s because of their R-22 content). Both are rated at 20 microns, and provide long service life. That is, what type of dirt are you dealing with? You may use Evap Pow’r or Evap Foam - No Rinse. Cleans units and makes it operate more efficiently. Even though the water is not heated, the hardness minerals tend to concentrate in the water and precipitate out on the freezing surfaces. The product line is also augmented by accessory items. This will delay the onset of the slime growth and increase the time between service. Two things must be done. Uses system condensate to rinse the coil making it easy to use. In addition, clogged and dirty permanent filters restrict air flow and do not filter air, allowing dirt to contaminate rooms and stain walls around air ducts. Open the unit and with a professional manual coil sprayer, apply the foaming cleaner to the coil’s surface. Stock coils are ready-made coils that can usually be fastened onto the device by your hand. It can be diluted 20:1 or even 40:1 and used for a wide variety of coil cleaning and general cleaning. If finned heating or cooling coils are left uncleaned, heat transfer is reduced, compressors have to work much harder, operating costs go up and valuable equipment often breaks down when it is needed most. Reduce service calls and increase the efficiency of air-cooled condensers, permanent air filters, evaporator coils, window units and other finned cooling/heating coils or equipment. More importantly, they lose their ability to adequately remove these types of objectionable items from the air. Green Clean, Tri Pow'r or even CalClean would be good choices here. Any spillage of the dry acid cleaner is swept up as easily as if it were salt. If you do not rinse, how much of the dirt is still on/in the coil? Nu-Calgon 4171-75 Evap Foam No Rinse Evaporator Coil Cleaner, 18 oz. The one that you select will depend on several different factors. All Nu-Calgon coil cleaners are biodegradable. When they can't actually see the scale, on the condenser surfaces, inside the piping and water regulated valves, there's a strong possibility it's there if the head pressure is high (more than 10 pounds above normal), or if the liquid refrigerant line is extra warm. DiversiTech Pro-Green Air Conditioner Coil Cleaner. If any of the conditions identified above exists, it usually suggests one or more underlying causes. They are nonvolatile and give off no obnoxious or corrosive fumes. So long as the container of POE is tightly capped after each use, the oil can be used until the container is exhausted. Coil fins are very sensitive, and can be easily damaged if you use too much force or abrasion or if you use the wrong type of cleaning products for AC coil cleaning. Look for a foaming coil cleanser that has been designed for use on aluminum and will not damage the metal. The foam will evaporate once it has done the job. Evap Pow'r-C mixed at 3 parts water to 1 part product can be used, or its ready-to-use version, Evap Pow'r-RTU, may be selected. Exceptional dirt-retaining capability. of ice or 200 gallons of water per day. As dirt and dust accumulate, heat transfer is reduced, resulting in a higher head pressure which in turn brings about increased power requirements and loss of efficiency; remember, for every 2°F rise in condensing temperature, efficiency drops 1% and power consumption increases 1%. Pay close attention to the instructions on the coil cleaner. Several doses of acid may be necessary to remove heavy scale deposits. Also, it can be used to clean electronic air cleaners as it is effective versus nicotine tars. This kind of cleanser will effectively clean, brighten and disinfect even the most seriously soiled evaporators. Specially-formulated cleaners are necessary to clean them. The polyphosphate may be introduced by passing the make up water through one of two general types of treatment: in-line filtration devices like Micro-Plus or cartridge/housing filtration devices like the NP Series. Select one of Nu-Calgon Wholesaler, Inc. cleaners. It takes about 2 pounds of powdered acid or 1/3 gallon of liquid acid to react with 1 pound of lime scale. Watch out: review your choice of HVAC coil cleaner with the equipment manufacturer and/or the cleaner manufacturer before choosing a coil cleaner, and then be sure to follow the coil cleaner's instructions. There are cartridges for the control of scale, for the removal of silt and sediment and for the removal of objectionable tastes and odors And, the cartridges are available in sizes to fit both NP Housings. Frost King ACF19 Foam Coil Cleaner, 19Oz, 19 Ounce Frost King. Years of experience with ice making equipment have proven that the best way to solve the problem and reduce service calls is to prevent this scale formation by treating the water with the food-grade polyphosphate, Micromet. SkullMonkey. So long as the condenser coil is located outside or outdoors, use either Foam-Brite or Nu-Brite. Lime Scale Formation:Lime scale is a common problem in ice machines. Permanent air filters:When permanent air filters become clogged with dirt and soot, air flow is restricted. A "no-rinse required" condenser coil cleaner in a convenient aerosol package. 31-TX Acid Pump or other acid circulating pumps, the cleaning solution should contain 1 pound of powdered acid for each gallon of water or 1 gallon of liquid acid for each 5 gallons of water. If an acid-based product is desired, where some brightening and foaming is achieved, use Cal-Brite followed by a thorough rinsing. Therefore, those cleaners that foam and brighten the aluminum fins or those that are quite strong in concentration should not be used on this specific type of roofing material. More Buying Choices $38.73 (2 new offers) Powdered acids will not remove old corrosion products as fast as liquid acids, so there is less danger of springing leaks in old corroded systems. While many homeowners would be tempted to perform air conditioner coil cleaning on their own using the previously described techniques, the better solution is to hire a trusted HVAC professional. GO TO AMAZON. Spray the evaporator coils with no-rinse air conditioner evaporator coil foaming cleaner. $29.69 $ 29. And the only one of the three that would be a concern is the Coated Modified Bitumen as it contains fibrated aluminum. If the scale bubbles and breaks up or completely dissolves, go to it! This condition can put a severe strain on both the equipment and the pocketbook. Prior to any cleaning, retrofitting, or replacing of your ducts, the cause or causes must be corrected or else the problem will likely recur. . Scale remover is a powdered sulfamic acid formulation that contains the best inhibitors available for protecting all metals including galvanizing. Viper is a potent degreasing compound that does not contain any hazardous ingredients or give off toxic fumes. Two different bracket assemblies are available to permit the installation in series of two or three NP Housings. Condenser coils depend on a chemical reaction between the aluminum fins and either a strong acid or alkaline solution to clean the coils. All units are constructed of NSF approved polypropylene, and are tapped on each end with 1/4" FPT. They are formulated to out-foam, out-brighten and out-clean the HF-based products. If rinsing is not possible or if it is not desirable, a product that combines "metal safeness" without rinsing is suggested . As a starting dosage, add 2 to 3 gallons of liquid acid or 10 pounds of "Imperial" Scale Remover for each 50 gallons of water in the system. However, if you don’t want to spend extra than you should go with the Nu-Calgon 4171-75 Evap Foam No Rinse Evaporator Coil Cleaner, 18 oz. Certain formulations like our scale remover are exceptionally safe for galvanizing when no copper corrosion products are present in the system. A staggering price to pay for dirty coils. However, it can be used on condenser coils as well. I have some pretty nasty coils @ work and dont want to waste time with poor quality stuff. for pricing and availability. . Nu-Calgon 4166-08 Evap-Fresh No Rinse Evaporator Coil Cleaner and Disinfectant Bottle, 1 Gallon. Second, the make up water needs to be treated with a food-grade polyphosphate like 6R Micromet. Use of the Teflon-based coil protectant, Cal-Shield, will help the coil to repel moisture as well as dirt, grease and grime. Cleaning removes dirt and greasy film from evaporator coils and enables the equipment to operate more efficiently. Both types of materials have certain advantages over each other. Slime Growths. The dry product is non-irritating to unbroken skin and is easily removed by flushing with water. The NP24PC can handle up to 65 gallons of water (600 lbs. Consequently the unit must be cleaned to restore the lost capacity. Spray the outside of the fins with a coil cleaner or detergent/water mixture and wait 5 minutes. The UV Series is disposable, affordable and will last for twelve months. Evap Foam - No Rinse, is an aerosol product that delivers a fast-breaking foam to the coil surface for excellent "no-rinse" cleaning. removal of greasy dirt and grime and restoration designed capacities. If economic considerations and ultimate safety are the primary factors in selecting a cleaner, select Tri Pow'r. The acid solution should be circulated for several hours depending upon the thickness and type of scale. Electronic Air Filters:When electronic air filters become coated with tobacco tars, gummy dust particles and other stubborn deposits, they are difficult to clean. There’s also a risk of handling potentially dangerous chemicals, not to mention the risk of electric shock and fire for someone who’s not properly trained. If your evaporator is really clogged, you’ll need to take a third point into account. And, it has been tested to be effective verus Legionella. Cleaning Individual Condensers with an Acid Pump:When cleaning individual condensers or other equipment with the No. This product will clean the coil effectively and rinse off during the cooling process when the system is turned on. Each of these needs to be handled in a special way. Bio-Fresh cd is a disinfectant, virucide, fungicide, mildewstat and deodorant. Let it sit for 15 minutes. If scale is heavy, it is better to drain the spent cleaning solution and repeat the cleaning procedure with a fresh charge. Change the oil to an alkylbenzene like Zerol. It has a pleasant odor and is non-flammable and non-conductive. The best service tool is a refrigeration oil acid test kit, and the best acid test kit technology is one that incorporates a "phase separator" in the test procedure like our Phase III Test Kit. The system is usually clean when you can maintain the green color for 20-30 minutes. Consider a coil-cleaning system that delivers around 125 psi and 0.5 gal/min. aerosol - 4084-03, Aerosol CalClean:Buildup of greasy dirt on refrigeration cooling coils and on air-cooled condensers impedes air flow and reduces heat transfer. Nu-Calgon Scale Remover - "Imperial Grade" - The best and safest dry acid cleaner. By using the bracket assemblies, the installation can be customized to correct two or three water-related problems. The product is ideal for use on fan … These include cleaning greasy painted or enameled equipment or walls, woodwork and floors, and practically any metal, cement, glass, tile or linoleum surfaces. Before cleaning any part of your HVAC, be sure to completely disconnect the unit from the power supply. 9.7. One can usually tell when the equipment is clean by observing the acid solution returning. Double action of high pressure blast and solvent cleaning restores design efficiency of condenser coils...quickly and easily. Cleaning: Through the use of Evap Pow'r or Tri Pow'r, evaporator coils condensate pans and surrounding surfaces are cleaned to remove existing soils and dirt build-up Disinfecting: Through the use of Bio-Fresh cd, the coil, pan and surrounding surfaces are disinfected. A wetting agent and anti-foaming agent are included to help it do a better cleaning job. If it doesn't bubble, a sample of the scale can be sent to Nu-Calgon for analysis. Proper heat transfer and efficient system operation require an oil and a gas that exhibit good miscibility, particularly in the evaporator where temperatures are lower. Before the treatment is started, however the machine should be cleaned, and possibly sanitized. More Buying Choices $28.76 (9 new offers) Nu-Calgon 4168-08 Evap Pow'r No Rinse Coil Cleaner. Nu-Calgon 4171-75 Evap Foam No Rinse Evaporator Coil Cleaner, 18 oz. If foam during cleaning and brightened aluminum fins after cleaning are desired, select any one of the Nu-Calgon "Brite" products (Alka-Brite, Nu-Brite, Foam-Brite). Impeded air flow and poor heat transfer can put a sever strain on both the equipment and the pocketbook. But keep in mind that high head pressure can be caused by mechanical problems, too. The life of the equipment itself is reduced. Regular cleaning with Nu-Calgon products protects equipment and helps maintain peak operating efficiency and low operating costs. Only 10 left in stock - order soon. Even though the acid may have a good anti-foaming ingredient, pour slowly into the system to avoid foaming or pump locking because of the gas released in the cleaning process. Use of Food Grade Silicone will provide a non-stick surface and help prevent binding and sticking of the ice.15 3/4 oz. And, when more accelerated foaming and brightening are desired, particularly where hydrofluoric acid-based products were used, select Nu-Brite or Foam-Brite. Cal-Shield also provides protection for coils operating in aggressive or acid environments such as walk-in food coolers and salt air environments. Purchase a pump sprayer, professional cleaning solution, and brush. The NP Series has been developed in order to permit the service technician or user to customize their installation to address a specific water-related problem or problems. Use throughout the year for regular DIY maintenance. Scale Control:The NP246R Micromet Cartridge contains sufficient 6R Micromet to provide scale control on ice machines making up to 900 lbs. Model #195200. No insulating blanket To see how the equipment's performance could improve by … Pro-Green cleans deposits on coils and rids condensate pans of slime. However, when cleaning a machine with nickel-plated evaporators, only the Nickel-Safe product should be used. This, when the water turns purple, more acid should be added to change the color back to light blue or green. This restores designed heat transfer and air flow. A good alkaline cleaner like CalClean is the choice, and the selection of Special HD CalClean would be recommended if the soil or grime is particularly stubborn. so long as suitable humidity-condensation is anticipated. Both Liquid Scale Dissolver and Imperial Scale Remover (Season Start) contain a "pH color indicator" that will guide you through the process. The most common types of rubber roofs are Modified Bitumen, both Coated and Uncoated, and EPDM-Type roofing.