99. Návody, průvodce výběrem, manuály a podpora pro váš projekt. Grundfos wants to be the no. When Subdrive® controller fails: Install Pside-Kick® per instructions. 5gl diaphragm tank. Liquid temperature -20 . , etc. Grundfos 3" SQE Series 10 GPM 1/2 HP 115volt, 2 Wire Deep Well Submersible Pump Model # 10SQE05-160. Grundfos SQE 3" multi-stage, submersible pump is designed for domestic water supply, liquid transfer in tanks, irrigation and environmental applications. This is achieved using viable speed constant pressure pumps. 6 Dimensional sketch of CU 321 (without the NEMA 1 kit) Spacing If more than one CU 321 is installed, the following must be observed during mechanical installation. Ponorné čerpadlo Grundfos SQE 3-65 s 40 m káblom;If you routinely experience low water pressure, Grundfos has a new innovative solution for you. 00 € excl. I need to monitor my system. 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. Last, but not least, the engineers at Grundfos have been able to design more user-friendly. Grundfos CU301 MKII SQE Constant Pressure Pump Controller with Pressure Sensor / Transducer, Instructions, manual and warranty Part # 96438895… Read More › Call For PriceGrundfos. Whichever situation you’re in, you can find the pump troubleshooting guide you’re looking for in 3 possible places: Grundfos Product Center; the Grundfos for Engineers Search Engine; and the Grundfos GO Remote app. However, the best solution is to add a Variable Frequency Drive (VFD) as well. In order to control pressure, it must be measured. 60Hz. Here you can find the right circulator pump for your heating, cooling and hot water recirculation needs. when communicating with the optional CU300 or CU301 control box. Compare $ 516. Cycled the system on and off and the pressure indicator went from 0 to 100 eventually settling to the set pressure of 75. Products manufactured by GRUNDFOS PUMP S CORPORATION (Grundfos) are warranted to the original user only to be free of defects in material and workmanship for a period of 24 months from date of installation, but not more than 30 months from date of manu-facture. HYJET Submersible Pumps. Installation is a 6 year old 22SQE15-220 with a CU301 (set at 60psi) and 2gal tank and 180ft well. GRUNDFOS CU301 96436753 V07 (version 7) CONTROL UNIT for SQE pumps 0-10Bar IP55. 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. I need to select or configure a product. For use only with certain. 1 users rated this 4 out of 5. 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. Quantity: 3 available / 22 sold. Replies 7 Views 204. The pressure is registered by the pressure sensor and transmitted to the CU 301. Step 1: Go to Grundfos Product Center. FREEPHONE 08082399358. 48 MB). This pressure sensor is compatible with Grundfos CU301 and provides accurate pressure data and transfers the readings to the controller. Grundfos 985204 Sealing Set (2) Total Ratings 2. ITEM 96437851. Features and benefits. Forums. Opened up the box and I have 3 green voltage indicators (24, 10 & 5V) a flashing green CONTROL INDICATOR and then a red NO CONTACT TO PUMP indicator. Add All To Wishlist. Grundfos SQE Well with CU301 Control Box Thread starter rob brunkow; Start date Aug 11, 2008; Users who are viewing this thread. C $1,679. View Larger Image. Dade Pump offers top rated motor brands Goulds, Liberty, Grundfos, Baldor and Little Giant pumps in South Florida including Maimi, Broward and Palm Beach. The CU301 communicates with the pump via mainsborne signalling (Power Line Communication),meaning that no extra cables are required between theCU301 and the pump. FAQ. flow and min. Delivery Options: Standard, Express, Same Day & Next Day options available * Equipment is subject to availability. The operating relay is a normally open (NO) contact when the pump is not running, and closes while the pump is running. 00 € excl. C $1,679. Technical data. STAINLESS 1. 00 New. All Grundfos products come with a warranty that fully complies with legal requirements. ) Please state these pieces of information when you contact Grundfos to get help for fault finding: • Nameplate data of the pump or system which the CUE controls or is part of. Grundfos SQE Pumps:Permanent red light when the supply voltage is out of range, see section 7. $394. Then while no one is using water shut the pump off manually. #1. CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. com. 5) Our all stainless steel check valve is external and easily taken apart to be cleaned. CU 301 are designed for communication, monitoring and control of SQE submersible pumps in constant pressure applications. Go to Grundfos Product Center. I am repairing or maintaining. Ships from and sold by TASYUREK SHOP STORE. . Main use is to supply 10gpm to my heat pump for heat and a/c plus normal household water use and some garden irrigation. de C. Grundfos CU 301 12 4 Position of LEDs Fig 14 Position of the LEDs inside the CU 301 TM01 8537 1606 1 2 3 4 5 Pos Indication Description 1 24 V overload Perm. when water is consumed, the CU 301 will adjust the pump speed to maintain a constant pressure. • Nameplate data of the CUE. Mexico phone: 011-52-81-8144 4000 telefax: 011-52-81-8144 4010 L-sp-sL-019 2/07. 5hp. 0800 239 601 Mon - Fri 09:00 - 17:00Auckland & Wellington, New Zealand. U. Control Unit Grundfos CU 321 Installation And Operating Instructions Manual 76 pages. 3 15 8 26 23 25 24 7 21 20 22 NC C2 NO NC C1 NO B Y 6 5 2 4 10 A +24V . 46 US gpm. No matter where you are, you can count on Grundfos to deliver a full-range of service capabilities for your pumps. Alarm indication of pump operation by diodes on the front. Cycling on and off from old style pressure tank systems will destroy pumps, motors, capacitors, relays, pressure switches, as well as cause pressure. Variants. 1 billion. 02 x 12. Protection against dry running and too high motor temperature ; Constant monitoring of pump energy consumption ; Reading out of operating data via R100; Technical data : Options. RRP: £3,597. Your Price: Call For Price. Grundfos or an authorized service station for instructions. The SQE SmartFlo range works with SQE pumps available in 4 sizes: . Having an issue with my pump controller. Symbol Description 1 Grundfos Eye Shows the operating status of the pump. . #1 I think that my Grundfos CU301 2-gallon tank is waterlogged, as the pump cuts in and out when running water. Počas prevádzky reguluje jednotka CU 301 výkon čerpadla tak, aby bol udržovaný požadovaný konštantný tlak. From all the reading I have done, it appears the OVERLOAD indication on the CU301 will only appear if the motor exceeds the 5. SQE-NE: Mit Grundfos Verbindung aufnehmen. Yes, the motor has a built-in frequency converter to give the pump high speed, resulting in high performance. Frequency converters for pump control 60 hz (64 pages) Media Converter Grundfos CUE Series Installation And Operating Instructions Manual. Grundfos Pumps Corporation 17100 W. To contact a Grundfos distributor to purchase product or learn more about pricing and availability, please fill out the required fields below. When a valve is closed, and the water reverses direction back toward the pump, the pressure tank absorbs the shock of the water column in the piping. V. The power is on. NOTE: CU301 Pressure Transducer not included. Fig. Page 11: Cu 301 With R100 The R100 communicates via infra-red light. Technical data 17 15. CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. 99 shipping. Remove the CU301 and put wires on the pressure switch. The fuse of the pump's electrical supply line has tripped. Password - Password must be at least 8. B. 3. Select ‘Catalogue’. VAT. They’re overall a very reliable unit and pump combo and designed specifically to work with the SQE series of pumps which run at much higher RPMs than a regular 4” pump so idk how using. Defective pump. pump is working fine by means of the transducer and shutting off and on as supposed to at desired pressures, going thru the steps of the manual its says needs to assign new numbers, we had to replace the control box due to. Recently, I started getting the "VOLTAGE ALARM" coupled w/the "NO CONTACT WITH PUMP" LEDs lighting up! Pump still locks in at the 40PSI, but surges at startup and stops at 90PSI. 5. Pump running but attention may be needed. Applications Le Grundfos PM 1 est conçu pour le démarrage/ l'arrêt automatiques des pompes Grundfos et autres pompes d'adduction d'eau. Product menu DUCT, PIPE & HOSE. Issues started one night where the CU301 indicated overload, I believe this happens in pumps built in electronics/VFD when the pump pulls more then 4. Was: $899. ; Page 12 Radio Radio. = Maximum sound pressure level L. In order to control pressure, it must be measured. The pumpThe Grundfos SCALA1 is an all-in-one pressure booster. O. 1. Check the Grundfos CU 301 MkII Constant Pressure Kit For SQE-Series Deep Well Submersible Pumps ratings. SP 46, SP 60 model B - Grundfos Service Video. GRUNDFOS CU301 96438895 V07 (ver 7) CONTROL UNIT for SQE Pumps 12A IP55 NOS. No extra cables are required between the CU 301 and the pump. CU 301 are designed for communication, monitoring and control of SQE submersible pumps in constant pressure applications. Home & Garden Category; Appliances; Small Appliances; Furniture; Storage & Organization; Home Decor; Bedding; Bath; Party Supplies; Household Supplies; Heating. Products & services. 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. V. Grundfos. Quick view Choose Options. I do not have water currently and its no fun. 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. La bombas booster Grundfos operan con bajo nivel de ruido, son de diseño compacto e instalación sencilla. de C. I have had a Grundfos CU301 w/a 15SQE-250 running my combined domestic and GWHP system for the last 11 months. The well company has been out three times this season, two of which were related to the CU301. Ideal securitest pro 33-892 user manual free. International. No extra cables are required between the CU 301 and the pump. Their products are used widely, from domestic applications to heavy industry and agriculture. 00. 7. I pulled and inspected the body of the pump last week, no exterior obstructions. Grundfos’ New MTRE Booster Design, The Perfect Fit For Car Wash Recycled Water Challenges. Warranty claims will be rejected in the following situations: If the defect in the product arises from. GRUNDFOS CMB-SP 5-28 Booster Pump – Multistage Pressure System. Komunikace je zajištěna přes přívodní elektrický kabel, což znamená že k propojení jednotku CU301 s čerpadlem není třeba. 1-866-489-4004. to Grundfos or a service station must be sent freight prepaid; documentation supporting the warranty claim and/or a Return Material Authorization must be included if so instructed. Item model number. Buy it with. The unit is an edge device which can process the data on site and hereby react instantly on any abnormalities via Grundfos GO 2. The user simply chooses the desired water pressure by pressing the UP or DOWN arrows, and the CU301 does the rest. If you do not immediately receive an email, please check your spam, bulk or junk mail folders. Max. Sunday I noticed that the pump indicator was running continuously. 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. #1 I think that my Grundfos CU301 2-gallon tank is waterlogged, as the pump cuts in and out when running water. Treating that water is no problem for this Chinese company. Once you enter Grundfos Product Center, you will see a menu with four colored categories at the top. Grundfos 3" SQE Series 10 GPM 3/4 HP 230volt, 2 Wire Deep Well Submersible Pump Model # 10SQE07-200. 50Hz. Richfield, WI. Free shipping on many items | Browse your favorite brands | affordable prices. • No contact to pump *) • Permanent red light when communication between the CU 301 and the pump is impossible. 230 °F. ITEM 96436753. Product Details. Location. No. No extra cables are required between the CU 301 and the pump. View Larger Image. Total: 1 (members: 0, guests: 1) Cookie. . The SQ submersible groundwater pumps are equipped with permanent magnet motors and can supply pump. A. The CU301 User Interface is the easy to use command and control computer for operating the pump in constant pressure mode. Grundfos once again World Cup Sponsor . 12 £2,877. 35. CU 301, pressure sensor kit. • No contact to pump *) • Permanent red light when communication between the CU 301 and the pump is impossible. The CU 301 communicates with the pump via mainsborne signalling (Power Line Communication),meaning that no extra cables are. Page 4: Table Of Contents. 2 Resetting a fault indication 29 9. Using a standard 40'60 pressure switch and replacing the galvanized tank and air maker will solve your sulfur odor and iron problem without adding chemicals the same way it. Toggle. . when communicating with the optional CU300 or CU301 control box. Two opposite green indicator lights at a 45 ° angle is the icon used throughout this document for pump running. Model Used B. CU 301 poskytuje plnou kontrolu nad čerpadly SQE a umožňuje. It is beneficial in applications with low incoming or highly fluctuating water pressure. GRUNDFOS CU301 CONSTANT PRESSURE CONTROL BOX w/ TRANSDUCER KIT SQE CU 301 Ver. 00. Documentation. The well company has been out three times this season, two of which were related to the CU301. SCALA2 208-230-Volt Booster Pump. 60Hz. 1 14 9 12 17 19 11 18 +24V + +24V OC DI +24V/5V* +24V OC DI GND +24V/5V* + + +24V + + +24V/5V*. I just can't get it out of there to irrigate our property. Min. 1 x 11 Tank Tee Kit with VALVES Installation Water Well Pressure Tank SQUARE D 30/50 FSG2 pressure switch NO LEAD 4. The CU 200 control unit is a combined status, control and communication unit especially developed for the SQFlex system. SQE 5-70 96510168. Bulbs. Exploded View CR5 2. This video is about how to troubleshoot the Grundfos SQE pump using the indicators lights of control panel Grundfos CU 301. 15 Parque Industrial Stiva Aeropuerto Canada. CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. 104 °F. Toggle. CU301 Series 1/3 hp Constant Pressure Kit. Grundfos once again World Cup Sponsor . The CU 301 is a control and communication unit developed for SQE well pumps used in constant-pressure applications. 0. To automatically start the pump on demand when pumping into a storage tank why not consider using. 1 m. Condition: New New. 43 kg USA. way to complicated for a water. Oct 13,. 7Amps. Product Overview. 60Hz. (max 232 PSI) 96436516 No 2-36 1 JIS, FGJ, ANSI (Max 362 PSI) 96442012 No 7 Coupling Guard 2 IEC, F85-F100 96438136 No 2 NEMA-56C, IEC-F115,130, & 265. 12 1 11 96 43 86 50 / V7 15 75 19 0300 CU 301 Sensor Max. Generation 1,2,3,4 all moved up the number of signal loss events before it even shows a fault. g. Increasing water pressure to a certain set point and keeping the pressure even though flow and inlet pressure varies. The pressure manager allows the pump to start and stop automatically according to demand and protecting the pump from dry running. Add All To Cart. DC Drives Grundfos CUE Series Installation And Operating Instructions Manual. 2. 1-866-489-4004. Product Details. 4 Signal relays 17 15. Learn why W. Find all the pump manuals and pump installation guides you need to make your system run to the best of its. The CU301 is usually the cause of the problem with these type systems anyway. O. The length of the warranty may vary according to agreement. 4 Communication, control and monitoring 27 9. *). Ships from and sold by Vertikal Supply. Products A-Z. This form. Grundfos CU 301 Constant Pressure Controller 96436754 - Made for the SQE Series pumps is available to buy in increments of 1. Kompletní specifikace - popis produktu. 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. Motor cable junction of the borehole pump. Pump. The user simply chooses the desired water pressure by pressing the UP or DOWN arrows, and the CU301 does the rest. The Grundfos whistleblower system gives employees, board members and third parties cooperating with Grundfos (such as suppliers, advisers, consultants, business partners etc. These installation and operating instructions describe Grundfos UPS3. In water distribution, keeping the water pressure constant is important for the comfort level of the end user. Grundfos. 66600 apodaca, n. com. Kuulkraan 3/4". The intelligent control box offers a wide flexibility for various system set-up or configurations. Have one to sell? Sell now. When a valve is closed, and the water reverses direction back toward the pump, the pressure tank absorbs the shock of the water column in the piping. 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. 00 € excl. Grundfos SQF 0. Welcome to ENVIEQ! English German French Spanish Track Your Order Status. Most Grundfos pumps have a bleed screw to remove the excess air. Residential groundwater intake. $29. The CU301 receives signals from the pressure sensor constantly. CU 301, pressure sensor kit. When it works--very rare--it's great. needing to speak with anyone with experience with the cu301 system, getting a no contact with pump indicator. 16A VAC Tank SQE CU 301 CU 301 CU 301 CU 301 9643865011. If you do not immediately receive an email, please check your spam, bulk or junk mail folders. Grundfos soft start submersible pump would be a great option. 2941 Brighton Road Oakville, Ontario L6H 6C9, Canada Telephone: (905) 829-9533 Fax: (905) 829-9512 Mexico Bombas Grundfos de Mexico, S. New posts Search. Liquid Temperature. I need to monitor my system. Quick view Choose Options. SCALA1 Installation and Operation instructions SCALA2 Installation and Operation instructions − Only indicator light no. This means that theCU301 Controller is sold separately. I jumpered power to the pump and it works fine and generates good flow so I'm reasonably sure the controller is dead. No lights or power on the unit came on I think i crossed my wiring. Free Shipping. PE PE POWER PUMP 5 4 1 2 l 4 D 0 6 A V 5 6 7 +24V IN GND 8 5 7 4 1 2 RM85-3021-25-1024relpol MADE IN POLAND 4080 AC 250 V 16 A DC 24 V 9 8 RE L A Y Max. Grundfos MI301 Universal IR Bluetooth Dongle (Replaces R100 Remote) The MI-301 must be used with an Android or IOS-based Smartphone with a Bluetooth connection. PE PE POWER PUMP 5 4 1 2 l 4 D 0 6 A V 5 6 7 +24V IN GND 8 5 7 4 1 2 RM85-3021-25-1024relpol MADE IN POLAND 4080 AC 250 V 16 A DC 24 V 9 8 RE L A Y Max. 99Total Price: 643. Grundfos Data Booklet: Direct Sensors. Well tonight the box went dead. Hopper & Sons Well Drilling uses Grundfos SQE constant pressure systems to ensure a reliable water supply for their customers. Treating that water is no problem for this Chinese company. It would be greatly appreciated if someone could post the steps to de-waterlog my tank. Then go to the ‘Documents’ tab and download the Installation & Operating Instructions. Rotor & spray irrigation. Electrical Specifications: Frequency: 50Hz Rated Voltage: 1 x 100-240V Delivery normally takes place within 24 hours (48 hours for Islands and remote areas). 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. Wait for a few minutes and see water dribbling out of it. 4 Gallon Well-X-Trol InLine Water Well. Material Included in kits ? No. 14. Down side of this is lights dim and other devices like refrig compressor that may be running also sees the dip in inverter output voltage which is undesireable. (Grundfos) are warranted to the original user only to be free of defects in material and workmanship for a period of 24 months from date of installation, but not more than 30 months from date of manufacture. When the CU301 controller is working as it should, it will turn on the pump when you need water, and adjust the motor RPM to produce the exact amount of water you are using. SKU: 96160200. Grundfos MSE 3 or MSE 3-NE motor. If you do pump and wire ok. $13600. Grundfos : Part Number 96438895 : Product Dimensions 33. The irrigation was off--no water was being. Sections 5-12 give important information about the product, as well as information on service, fault finding and disposal of the product. CU 301 communicates with the pump via power line communication. 43 Kilograms : Item model number CU301 : Voltage 240 Volts : Item Package Quantity 1 : Batteries included? No : Batteries Required? No : Item Weight 1. The guided replacement tool in the Grundfos Product Center prompts you to enter information on the old pump such as model, manufacturer and frequency. Electrical connection 9 5. Contacts. Technical data. 19:35. CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. Grundfos partner or company. In water distribution, keeping the water pressure constant is important for the comfort level of the end user. MQ3-45 = rated head of 75. JP PS. CU331SP is a strong supplement to the Grundfos SmartFlo constant pressure program. CU 301 communicates with the pump via power line communication. Air and Gas;Find many great new & used options and get the best deals for Grundfos 3" Constant Pressure Submersible Well Pump 22SQE15 220 1. CU 301, pressure sensor kit. Grundfos CU301 SQE Constant Pressure Pump Controller with Pressure Sensor (Transducer) Part # 96438895 . No extra cables are required between the CU 301 and the pump. Free shipping on many items | Browse your favorite brands | affordable prices. THERE ARE NO EXPRESS OR IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY OR FITNESS. to Grundfos or a service station must be sent freight prepaid; documentation supporting the warranty claim and/or a Return Material Authorization must be included if so instructed. Grundfos will not be liable for any incidental or consequential damages, losses, or expenses arising from installation, use, or any other causes. 1-866-489-4004. VAT) Control Panel Grundfos CU 301 ( 275. Opens in a new window or tab. The you could cut the power supply with a regular 60/80 pressure switch, and use a Cycle Stop Valve to maintain the 70 PSI constant. The Grundfos 3” SQE submersible pump can handle a wide incoming voltage range (150v to 280v), with little effect on pump performance. 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. The 96438895 is produced by Grundfos and is described as a Grundfos 96438895 Smartflo Constant Pressure Kit & Cu301 Transducer. 1-866-489-4004. The Grundfos CU301 when connected to the SQE pump the Grundfos CU301 provides intelligent control, allowing the pump to slow or speed up to meet your pumping needs while maintaining a. CONTENTS Page 1. Grundfos'12 a. FASTFLO Drainage Pumps. Ensure that the top point of the discharge pipe and the pump does not exceed 50 feet. Find a regular 40/60 pressure switch, a 1/4X3 nipple, and a 1/2X1/4 bushing. With the Grundfos GO wireless device, you can even monitor and adjust the pump settings. Reset button. Step 2: Download Grundfos GO. ) I can get the CU301 covered under warranty (labor not covered), but am wondering if that's just kicking the can down the road a little. 2941 Brighton road oakville, ontario L6H 6c9 phone: (905) 829-9533 telefax: (905) 829-9512 mexico Bombas GrunDFos de Mexico s. • Maximum voltage: 230 VAC. Furthermore, the CU 200 enables connection of a level switch. the Grundfos CU 301 control and communication unit developed for SQE well pumps used in constant. light). 1 Mechanical installation (3 hp, 1-/3-ph, and 5 hp, 3-ph) All dimensions are in inches. Enter the product for which you want to troubleshoot in the search bar at the top. No extra cables are required between the CU 301 and the pump. Go to App Store or Google Play and search for ‘Grundfos GO Remote’. 5 users rated this 5 out of 5 stars 5. 1 Grundfos Eye operating status 28 9. Products & Solutions. Suitable for: Residential groundwater intake. Grundfos 59896341 UPS15-58FC Super Brute Circulator, Red, Small. ! 30 XP OPEN TYPE PROCESS CONTROL EQUIPMENT 100-240 Vac 50/60Hz - max. Grundfos CU 301. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. Just follow these three simple steps: Search for the pump spare parts or service kits you are looking for. CU 301 are designed for communication, monitoring and control of SQE submersible pumps in constant pressure applications. Get it Nov 24 - 28. What is the CU300 and CU301? The CU300 and CU301 are both control boxes to monitor and adjust the features on the SQE. Pump gates bring a new flow to Fuzhou’s rivers, revitalising life in city centre. 4.