grundfos cu301 no lights. No extra cables are required between the CU 301 and the pump. grundfos cu301 no lights

 
 No extra cables are required between the CU 301 and the pumpgrundfos cu301 no lights  14

31 Each. CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. Grundfos_CU301_cutsheet (189. Variants. The 96438895 is produced by Grundfos and is described as a Grundfos 96438895 Smartflo Constant Pressure Kit & Cu301 Transducer. Add to Compare. 2" Stainless Steel High Flow Floating Filter w/ Hose $335. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. 3 Reading out warning and alarm codes in Grundfos GO Remote 29 9. Opens in a new window or tab. (22 pages) Water Pump Grundfos ALPHA1 Series Installation And Operating Instructions Manual. 4. 0. Grundfos will not be liableThe CU301 receives signals from the pressure sensor constantly. Shop Online. 40. In the event of a pump failure on the panel information from the CU 300 or CU 301, the pump alarm light is activated, which allows you to deal with the issue quite fast. Quebec. 60Hz. Share | Add to Watchlist. flow > dynamic head + system pressure. Toggle. head at no flow can be found in the following table: TM01 8547 0400 H [m] Q [m³/h] Max. • Maximum voltage: 230 VAC. 99. Typically ships within 7-14 days • Manufacturer: Grundfos • Series: 3" SQE Series Submersible Pump (requires Controller CU301) • Model Number: 22SQE15-220 • Part Number: 96160201 • Motor Horsepower: 1. To automatically start the pump on demand when pumping into a storage tank why not consider using. 2A current, and this would only happen if there was excessive back pressure or resistance to movement of the impellers. way to complicated for a water. Mexico phone: 011-52-81-8144 4000 telefax: 011-52-81-8144 4010 L-sp-sL-019 2/07. CU 301 communicates with the pump via power line communication. TM05 4848 3512 Pos. £0. CU 301. CU 301 CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. (PRESSURE SENSOR). I have found that if I turn the power off, after a few hours, the pressure is back. It is constantly losing the radio connection to the controller. Bulbs. Quick view Add to Cart. This pressure sensor is compatible with Grundfos CU301 and provides accurate pressure data and transfers the readings to the controller. Glenmarie Industrial Park 11070 Novi Beograd Gebze Organize Sanayi Bölgesi 40150 Shah Alam Phone: +381 11 2258 740. Environmental Equipment Shop By Department. Features and benefits. The Grundfos EZ Boost system provides reliable, constant water pressure for: Condos. Category: Drives. Grundfos 59896341 UPS15-58FC Super Brute Circulator, Red, Small. The CU 301 provide full control of the SQE pumps and enables the system to maintain a constant pressure within the maximum pump performance in spite of a varying water consumption. This means that the pump can be set to operate in any duty point in the rangeThis item: Pressure Sensor Danfoss 0-6 Bar ( 179. VAT) Description. Increasing water pressure to a certain set point and keeping the pressure even though flow and inlet pressure varies. 96438895. This is a variable speed pump and the sensor that is faulty is in the motor. We need to do more, for example by placing a membrane tank after the pump well head. This video is about how to troubleshoot the Grundfos SQE pump using the indicators lights of control panel Grundfos CU 301. $773. Item # 2404827. I want to order or purchase a product or service. Ready to purchase? To contact a Grundfos distributor to purchase product or learn more about pricing and availability, please fill out the required fields below. Your Price: Call For Price. In water distribution, keeping the water pressure constant is important for the comfort level of the end user. Treating that water is no problem for this Chinese company. As I happen to be a troubleshooter (mostly because I hate to pay someone money for something I can do myself) I took the cover on the CU301. Control panel Grundfos CU 301 was designed specifically for working with SQE submersible pumps. Grundfos remote controls used for installation, data monitoring, fault information and configuration of Grundfos pumps and systems, by radio or IR connections. flow and min. 43 Kilograms : Item model number ‎CU301 : Is discontinued by manufacturer ‎No : Voltage ‎240 Volts : Item Package Quantity ‎1 : Batteries Included? ‎No : Batteries Required? ‎No : Item Weight ‎1. System in located in small crawlspace under the cottage. Reset button. Suitable for. Step 2: Download Grundfos GO. Grundfos will not be liable for any costs of removal, installation, transportation, or any other charges which may arise in connection with a warranty claim. . . 7. 35 $ 1,445. • No contact to pump *) • Permanent red light when communication between the CU 301 and the pump is impossible. To contact a Grundfos distributor to purchase product or learn more about pricing and availability, please fill out the required fields below. CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. Start-up 10 6. Water reuse turns wastewater into resource at surface treatment plant. 25x14+UNION TEE KIT WATER PRESSURE TANK PUMP 3050 SQUARED FSG SWITCH. Rainwater Equipment. Municipal wells. 00 € excl. No extra cables are required between the CU 301 and the pump. GRUNDFOS CU301 Constant Pressure Control Box Variable Speed. Then while no one is using water shut the pump off manually. The CU331SP is a constant pressure, variable frequency drive based on a proven product platform. 3 average based on 7 product ratings. V. $919. Water Wells & Pumps 🇨🇦. 0. when communicating with the optional CU300 or CU301 control box. 60Hz. g. 11 CU 301 Sensor Max. Control Unit Grundfos CU 300 Installation And Operating Instructions Manual 59 pages. 5 A 8. The Grundfos SQE is converted to an SQ, when the CU301 controller is removed. 4. The CU301 User Interface is the easy to use command and control computer for operating the pump in constant pressure mode. The CM Booster 3-4 pump offers higher and flows and pressures with the same on demand functionality. Product Details. Environmental Equipment & Supply carries a wide range of Grundfos pumps that range from 1/2hp to 1. Add our constant pressure complete kit (at the bottom of the page) to your pump order to make your installation easy. 118th Terrace Olathe, KS 66061 Telephone (913) 227-3400 Fax: (913) 227-3500 Canada Grundfos Canada, Inc. For estimated delivery date, click on "View Deal" and enter your ZIP code under the "Shipping" tab, on the listing page. If you do pump and wire ok. Find many great new & used options and get the best deals for GRUNDFOS CU301 CONSTANT PRESSURE CONTROL BOX w/ TRANSDUCER KIT SQE CU 301 Ver. The Grundfos whistleblower system gives employees, board members and third parties cooperating with Grundfos (such as suppliers, advisers, consultants, business partners etc. They use the same wires the power goes down to the motor to send a radio signal back up to the controller. . If an "RCD" fault current circuit breaker has been installed in the pump's electrical supply line, it has tripped. CU301. Grundfos wants to be the no. My problem: We can't set the psi on the new CU301 above 70 psi. 91. Jun 10, 2008. I need to monitor my system. 0. He called the Grundfos factory and within ~5 minutes was back to me with questions regarding the serial number of my controller. 99. 4 Signal relays 17 15. S. ; Page 12 Radio Radio. 00 € excl. CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. 9W IO 351A 96161720 - VO1 1 2 3 5 4 Type Made in Denmark Product No. Last, but not least, the engineers at Grundfos have been able to design more user-friendly. GRUNDFOS CU301 CONSTANT PRESSURE CONTROL BOX w/ TRANSDUCER KIT SQE CU 301 Ver. Step into our world. I recently heard that Grundfos was changing the programming to let the pump cycle on and off 1000 times at 15 PSI differential, to allow time for the controller to "find the signal". The 2 gallon pressure tank (sold separately), helps to prevent water hammer. International. 2. Hopper & Sons Well Drilling uses Grundfos SQE constant pressure systems to ensure a reliable water supply for their customers. I need to monitor my system. The SQ controlled by a CSV and regular pressure switch is much more dependable than when used with the computerized CU301 controller. O. Warranty claims will be rejected in the following situations: If the defect in the product arises from. Grundfos Smart SUB HOS 1-0. However, even that pump will last longer if you don’t use the CU301 box and control it with a pressure switch like a standard pump. The CU301 Controller and Transducer allow the Grundfos SQE Submersible Pumps to operate as "constant pressure" pumps. Water reuse turns wastewater into resource at surface treatment plant. The CU 301 is an intelligent control unit which capable of monitoring and displaying the system’s performance continuously whilst also providing a variety of protection features that guarantee a long lifetime of the pump. Product Overview. Compares flow and pressure of the CM Booster to the popular Grundfos MQ 3-45 pump. Municipal wells. I'm a DIY'er is there anyway for me to fix or replace this? Any help or tips would be greatly appreciated. ) a channel to report suspected criminal acts or non-compliance with the Grundfos Code of Conduct if they feel uncomfortable using the normal channels. 96161750 UN Serial No. Grundfos. When a product marked with this. the most frequent fault we saw was no communication between the two. If you are a registered Extranet user, please log-in to the Extranet to place an order here . Hem / Pumpar / Djupbrunnspumpar / Tillbehör / Grundfos, CU301, Konstanttryckregleringspaket, tank, sensorvent. SKU. Grundfos will not be liable for any costs of removal, installation, transportation, or any other charges which may arise in connection with a warranty claim. New posts Search. 95. What is the difference between SQ and SQE? The SQ is a single speed pump and the SQE is a variable speed pump which needs a control box to operate with variable speed and to monitor and adjust its features. Here you can find the right circulator pump for your heating, cooling and hot water recirculation needs. If SCALA1 detects no pressure and flow within five minutes of being connected to a power supply, the alarm will be activated. Product menu DUCT, PIPE & HOSE. com. 5hp. 02 x 12. head at max. 99. $1,775. The CU301 reads this pressure signal and then electronically commands the pump to start, stop, speed up, or slow down in order to maintain constant pressure regardless of water demand. CU331SP is a strong supplement to the Grundfos SmartFlo constant pressure program. Compared to conventional circulators, they cut energy consumption by up to 80 %, while delivering noise-free performance. needing to speak with anyone with experience with the cu301 system, getting a no contact with pump indicator. $62841. Control Grundfos E-products remotely, ensure easy and reliable installing, commissioning and maintenance, and save time on reporting with the intuitive Grundfos GO Remote app. The CU 301 is a control and communication unit developed for SQE well pumps used in constant-pressure applications. No results are available for the current selection. CU 301 is specially designed for the Grundfos SQE 3" submersible pump to provide a constant pressure water package solution. The Grundfos GO Remote is used to establish a wireless connection to a Grundfos product, using a standard. Step 1: Go to Grundfos Product Center. Grundfos CU301 Controllers with Pressure Transducers (Sensor) are factory pre-set to allow a Max pressure setting of 70 PSI by the installer or end user. If you do not immediately receive an email, please check your spam, bulk or junk mail folders. The user simply chooses the desired water pressure by pressing the UP or DOWN arrows, and the CU301 does the rest. "Generation 7" should be all you need to hear about the problems with those SQE and CU301 type systems, and they are still not right. This CU301 Controller comes factory preset at a max of 70 psi. CU 301 are designed for communication, monitoring and control of SQE submersible pumps in constant pressure applications. Find a regular 40/60 pressure switch, a 1/4X3 nipple, and a 1/2X1/4 bushing. 120 °Cunit is designed to run any grundfos sqe series pump at constant pressure includes: 1 - cu301 control unit (version 7) 1 - transducer (pressure sensor) 1 - quick installation guide 1 - detailed instructions / owner's manual when combined with a grundfos sqe pump you can set the pressure from 40 to 70 psi in 10 psi increments. p. 6376447. For me, the biggest frustration is not being able to handle basic problems. HOME; ABOUT US; TEAM; HELP; NEWS; EVENTS; ACCOUNT APPLICATION; CONTACT; LOGIN; SPECIAL OFFERS ; Need advice? Call us on 01722 717708. $1,659. I think the latest version number 7 of the CU301 will cycle like this 1000 times before it shows a fault that says, “lost connection”. In order to control pressure, it must be measured. Possible causes of fault. 5. Constant Pressure Manifold System includes Manifold, Pressure Relief Valve, Spigot, Pressure Gauge, 1" x 3/4" Hex Bushing, 1" x 1/2" Hex Bushing, and Stainless Steel Thread Tape. The Grundfos 3” SQE submersible pump can handle a wide incoming voltage range (150v to 280v), with little effect on pump performance. Alarm indication of pump operation by diodes on the front. If automatic resetting is chosen, the indicator light goes out automatically when normal operating conditions are achieved. CU 301 are designed for communication, monitoring and control of SQE submersible pumps in constant pressure applications. This new product is designed to easily adapt to any combination of 2HP, 3HP or 5HP Grundfos SP pump systems using a 3-phase motor. The light goes out when the alarm is reset. Products manufactured by GRUNDFOS PUMPS CORPORATION (Grundfos) are warranted to the original user only to be free of. No lights or power on the unit came on I think i crossed my wiring. Read honest and unbiased product reviews from our users. Enter the product for which you want to troubleshoot in the search bar at the top. SKU: 96160210. 46 US gpm. In order to control pressure, it must be measured. The warranty does not covers product and material defects as a results of normal wear and tear. Kompletní sada pro udržování konstantního tlaku, ponorné 3" čerpadlo s kabelem 40 metrů, 230V, 96524501, GRUNDFOS AKCE 2023, Leták Akce Grundfos 2023. Contacts. I need to monitor my system. A Comprehensive Review. 35. CU 301, pressure sensor kit. CU 301, pressure sensor kit. The pressure manager allows the pump to start and stop automatically according to demand and protecting the pump from dry running. B. All Grundfos products come with a warranty that fully complies with legal requirements. . when communicating with the optional CU300 or CU301 control box. Part # G96438895. When this happens, the CU301 reverts to cycling the pump on and off like a pressure switch. CU301 for Grundfos SQE before CSV CU301 removed, CSV installed Well, it’s done. UP15-10SU7P TLC 3/4 in. Shipping/Policies. sewage and drainage, commercial and light industrial use including water, booster, and sump. 1 Grundfos Eye operating status 28 9. The CU301 Controller User Interface is the easy to use command and control computer for operating the pump in constant pressure mode. 5K views 9 months ago. Per the CU301 Manual: "Raintight or wet location hubs that comply with the requirements in the standard for Fittings for Conduit and Outlet Boxes, UL514B, are to be used. Last year, I had the constant pressure tank replaced as well as the sensor that connects to the CU301 unit. GRUNDFOS CU301 CONSTANT PRESSURE CONTROL BOX w/ TRANSDUCER KIT SQE CU 301 Ver. Constant monitoring of pump energy consumption. (See the back of this manual. Technical data 17 15. Get the best deals on Grundfos Pump Parts & Accessories when you shop the largest online selection at eBay. CU 301 communicates with the pum. I replaced a newer 240vac pump with one and don't regret it. #1 I think that my Grundfos CU301 2-gallon tank is waterlogged, as the pump cuts in and out when running water. Location. For Installers, once you have downloaded the app to your smartphone or tablet, you get many benefits. Ships from and sold by Vertikal Supply. For Installers, once you have downloaded the app to your smartphone or tablet, you get many benefits that make your working day better: Control pumps remotely. This item: Grundfos - CU301 Transducer . Grundfos 96438895 Smartflo Constant Pressure Kit & Cu301 Transducer. 74 (2). Control Unit Grundfos cu300 Installation And Operating Instructions Manual 52 pages. JP PS. And really the last "generation" (changes) just increased the number of cycles the pump will do from 500 to 1000 cycles on and off before the lights even come on to tell you the CU301 has lost contact with the motor. Cycling on and off from old style pressure tank systems will destroy pumps, motors, capacitors, relays, pressure switches, as well as cause pressure. Your Price: Call For Price. Picture 1 of 8. 4. Delivery Options: Standard, Express, Same Day & Next Day options available * Equipment is subject to availability. Grundfos once again World Cup Sponsor . The fuse of the pump's electrical supply line has tripped. Step 1: Go to Grundfos Product Center. You are not using a regular 40/60 pressure switch, are you ? Usually CU301 keeps the pressure narrower. At the Grundfos Product Center, you can quickly and easily find pump installation guides, pump manuals, and all the technical data you need to keep your system working its best. 75 - 125 hp (140 pages) Media Converter Grundfos CUE Series Product Manual. 3 Changes the setpoint. 2-Light fields for indication of setpoint. No lights on. Sections 5-12 give important information about the product, as well as information on service, fault finding and disposal of the product. Your Price: Call For Price. The original CU301 didn’t last through construction. by Grundfos. Grundfos will not be liable for any incidental or consequential damages, losses, or expenses arising from installation, use, or any other causes. Dade Pump offers top rated motor brands Goulds, Liberty, Grundfos, Baldor and Little Giant pumps in South Florida including Maimi, Broward and Palm Beach. This was the fourth CU301 that failed in my home in a little over 3 and a half years of home ownership (new construction). 00. CU 301 communicates with the pump via power line communication. 01. Price: US $550. All with power completely isolated!Grundfos olarak bu beyannameye konu olan IO modülü ürünlerinin, AB Üyesi Ülkelerin kanunlarını birbirine yaklaştırma üzerine Konsey Direktifleriyle uyumlu oldu ğunun yaln ızca bizim sorumlulu ğumuz alt ında olduğunu beyan ederiz: –Düşük Voltaj Yönetmeliği (2006/95/EC). Symboles utilisés dans cette notice 2. Intelligent Control Box. Last winter the controler changed from 70psi to. Possibility of starting, stopping and resetting the pump simply by means of a push-button. See full list on grundfos. Find the help and support you need with your pumps and services, no matter what you are looking for. HOME. Pump stopped. Grundfos CU301 MKII SQE Constant Pressure Pump Controller with Pressure Sensor / Transducer, Instructions, manual and warranty Part # 96438895… Read More › Call For PriceGrundfos. 1" X 11"No Lead Brass Tank Tee Kit +Union+ Water Well Pressure Tank + Square. Product number. light goes out automatically when normal operating conditions are achieved. Should the pressure dropped below the desired pressure level, the CU301 will operate the SQE pump automatically until the water pressure level restored to the desired level and the signal light on the display will indicate that the pump is running at the moment. Run a supply of cold water through the pump, if the unit does not start due to overheating. • 20 days ago. 12The Grundfos CU301 control unit has been developed for the SQE submersible borehole pumps. 5. General module + operating light module 41 + 42 System type Maximum number of pumps Controller/module GENIbus address Pump number Module E-Pump 1234 56 E 6 CU 351 1-6 E 1)E E E1) E1) E1) ES 41 Grundfos instructions; 2 Limited warranty; 3 Cu 301; 4 Contents; 5 Constant pressure control; 5 Description; 5 Function; 7 Dynamic head system pressure comment if this is not fulfilled the pressure may fall below the pressure set on the cu 301 maximum head at rated flow and minimum head at no flow can be found in the following sections; 7. I do not have water currently and its no fun. Model Used B. 1 x 11 Tank Tee Kit with VALVES Installation Water Well Pressure Tank SQUARE D 30/50 FSG2 pressure switch NO LEAD 4. flow Min. GRUNDFOS CMB-SP 5-47 Booster Pump – Multistage Pressure System. Keypads and membranes will always fail in Sunlight. Grundfos 3" SQE Series 15 GPM 1 HP 230 volt, 2 Wire Deep Well Submersible Pump Model # 15SQE10-250. Grundfos recommendations may result in electrical shock or fire hazard, unsatisfactory performance, equipment failure and other problems. Should the pressure dropped below the desired pressure level, the CU301 will operate the SQE pump automatically until the water pressure level restored to the desired level and the signal light on the display will indicate that the pump is running at the moment. These installation and operating instructions describe Grundfos UPS3. . These pump control systems are all constructed to be easily integrated into larger systems, making them an ideal solution if you are looking to gain complete control of pump systems. 5 HP • Motor Voltage: 230 VoltsGet the best deals on Grundfos SQE Pumps when you shop the largest online selection at eBay. Grundfos CU301. 50Hz. The New Year could not get off to a better start with the news that all Grundfos Domestic Circulator pumps now have a five year warranty. Facebook. VAT. 46 US gpm. Would you like to contact Grundfos Service US or a Grundfos Authorized Service Partner? Please fill out the required fields below or visit Grundfos Service. USA +1 (888) 671-2883; MX +52 (33. 2 is related to the pump itself and indicates if it is stuck or blocked. Then either the pressure transducer (sensor) is not working, it is not getting a signal to the CU301 computer, the CU301 is not communicating with the other computer in the SQE motor, or there could be any. Suitable for: Residential groundwater intake. Environmental Equipment & Supply carries a wide range of Grundfos pumps that range from 1/2hp to 1. * 5NOTICE GRUNDFOS. 00 € excl. com, 1920 x 1515, jpeg, wiring diagram ez 1996. Maximum pressure alarm. Grundfos Warranty Policy Page 3 of 24 Section 2: Guidelines • All warranty claims must be submitted within 30 days of the last labor date to complete the warranty repair. 78 cm; 1. Setup was similar to OP's, 120v inverter, autotransformer. Fig. The Grundfos SQ is a compact 3” multistage centrifugal pump, which can be installed in boreholes that are 3” or larger. The warranty does not covers product and material defects as a results of normal wear and tear. 202 ft. Visit the Grundfos Store. 4. 2941 Brighton road oakville, ontario L6H 6c9 phone: (905) 829-9533 telefax: (905) 829-9512 mexico Bombas GrunDFos de Mexico s. 10 / 44 44 3. #2. Français (FR) 2 Français (FR) Notice d'installation et de fonctionnement SOMMAIRE Page 1. 0. The Grundfos 3 inch SQE pump with the CU301 controller and our constant pressure kit provides the solution to your pumping needs. Electrical Specifications: Frequency: 50Hz Rated Voltage: 1 x 100-240V Delivery normally takes place within 24 hours (48 hours for Islands and remote areas). Verkkokaupan hintahistoria. CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. About 2 weeks ago the flow would start out good and then drop to a light stream. Kullanılan standart: EN 61010-1: 2001. 17:35. de C. Frequency converters for pump control 60 hz (64 pages) Media Converter Grundfos CUE Series Installation And Operating Instructions Manual. 50Hz. The CU301 Controller and Transducer allow the Grundfos SQE Submersible Pumps to operate as "constant pressure" pumps. 7. 1 Enclosure 17 5 sec. Online nástroje, technické katalogy, instalační a provozní manuály, informace o konstrukci čerpadla, které vám usnadní vaší práci. ENVIEQ. Select when your pump was produced and choose the right production year and week number. Suitable devices for CU 301 are rated with enclosure type 3, 3R, 3S, 4, 4X, 6 or 6P. Symbols used in this document 9 2. CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. Learn why W. 1 Mechanical installation (3 hp, 1-/3-ph, and 5 hp, 3-ph) All dimensions are in inches. No extra cables are required between the CU 301 and the pump. de c. CU 301 are designed for communication, monitoring and control of SQE submersible pumps in constant pressure applications. Stuart Group also keep in stock 32mm MDPE pipe and associated fittings for your water well installation needs. 4 Communication, control and monitoring 27 9. Let’s take a closer look at some specific warnings and alarms. The SQE pump features variable speed which is offered through frequency cont rol. 66600 apodaca, n. 96438650 0103 CU301 5 sec. The power is on. This booklet provides detailed information about the pressure sensors from the Grundfos Direct Sensor family, including technical specifications, features, benefits, and applications. No results are available for the current selection. 1 Ejector valve setting 10 6. Instruction Manual. The unit is an edge device which can process the data on site and hereby react instantly on any abnormalities via Grundfos GO 2. 1. This item: STAINLESS STEEL CONSTANT PRESSURE TANK TEE VFD MANIFOLD KIT + WALL MOUNT BRACKETS BOSHART FOR GRUNDFOS CU301 FRANKLIN or GOULDS . Designed for a wide range of garden and domesti. The irrigation was off--no water was being called for. Iegremdējamie sūkņi « Ūdens sūkņu tehnoloģijas. Follow the step-by-step explanation in this video to use all of the indicator lights of the CU 301 control for troubleshooting of the Grundfos SQE constant pressure. The problem is that the CU301 is no more dependable than any other computerized system. Select the situation that best matches your own to get started. USA. On the Alpha pump the dry run alarm can be indentified by a red eye light and the value E4 on the display. Plumber: Michael Favazza , replied 2 years ago There’s three basic parts to the model controller you have. How to wire a Groundfos CU301 well pump controller and well pump. GRUNDFOS CU301 96436753 V07 (version 7) CONTROL UNIT for SQE pumps 0-10Bar IP55. Their products are used widely, from domestic applications to heavy industry and agriculture. $590. • Permanent red light when the supply voltage is out of range, see section 7. CU 301. The CU301 features the following indications: Pump running indicator; System pressure setting; System ON/OFF; Button lock indicator; Dry-running indicator; Service. GRUNDFOS CU301 Constant Pressure Control Box Variable Speed (7) Total Ratings 7. Aqua Science is one of the nation's largest sources for well drinking water treatment systems, submersible well pumps, booster pumps, pressure tanks, filtration systems, by brands such as Amtrol Well X Trol, Goulds and Grundfos. Juhtmekinnitusriba - 20tk.