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Intewa AQUALOOP GW 300 Installation And Operating Instructions Manual

Greywater recycling systems
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AQUALOOP System Greywater Recycling
AQUALOOP System GW 300, 300 L/day (79 GPD/day)
AQUALOOP System GW 600, 600 L/day (159 GPD/day)
AQUALOOP System GW 900, 900 L/day (238 GPD/day)
AQUALOOP System GW 1200, 1200 L/day (317 GPD/day)
AQUALOOP System GW 1500, 1500 L/day (397 GPD/day)
AQUALOOP System GW 1800, 1800 L/day (476 GPD/day)
AQUALOOP System GW 3600, 3600 L/day (952 GPD/day)
AQUALOOP System GW 5400, 5400 L/day (1428 GPD/day)
AQUALOOP Systems or object specific systems up to 97200 L/day (25704 GPD/day)
Installation and operating instructions
WATER, WE'RE IN OUR ELEMENT
I
www.intewa.com

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  • Page 1 AQUALOOP System GW 1800, 1800 L/day (476 GPD/day) AQUALOOP System GW 3600, 3600 L/day (952 GPD/day) AQUALOOP System GW 5400, 5400 L/day (1428 GPD/day) AQUALOOP Systems or object specific systems up to 97200 L/day (25704 GPD/day) Installation and operating instructions WATER, WE’RE IN OUR ELEMENT www.intewa.com...

  • Page 2: Table Of Contents

    Contents Introduction ..............................3 Dimensioning and General Description ......................3 2.1 Functional Description ..........................5 2.2 Influent quality ............................6 2.3 Effluent quality approval..........................7 2.4 Certification NSF/ANSI 350 ........................8 2.5 Overview AQUALOOP GW Systems 300 – 5400 L/day ................10 General safety instructions..........................13 Declaration of conformity, electrical standards, approvals ................
  • Page 3 Installation and connection ..........................54 8.1 Data plate and labelling of the controller ......................56 System start-up ...............................57 9.1 Water-tightness test ..........................57 9.2 Start-up phase of the bioreactor ........................57 9.3 Starting the bioreactor ..........................58 9.4 References: Bioreactor in process ......................58 10.

  • Page 4: Introduction

    According to the official NSF Listing, AQUALOOP for greater capacities can be designed for system sizes dimensioned and approved by INTEWA GmbH in accordance with the NSF certification. These designs must follow the dimensioning guidelines given in the Annex.
  • Page 5 Depending on the cleaning interval a single membrane cartridge can produce up to 900 L/day (238 GPD). A fully equipped station can therefore produce up to 5,400 L/day (1428 GPD) with associated tank, aeration, and growth media dimensioning. Such dimensioned systems are equipped with automatic cleaning. These systems, dimensioned for a higher daily throughput, are described in the Annex.

  • Page 6: Functional Description

    2.1 Functional Description Fig.: Example installation layout of AQUALOOP Greywater Recycling System The greywater (1) from the bathroom (bath tub, shower, basins) and washing machine outlets is first filtered by the pre-filter (2) and then enters the bioreactor (3). In case the bioreactor is full of water, the greywater overflows into the sewer (11) via the filter overflow.

  • Page 7: Influent Quality

    2.2 Influent quality The AQUALOOP System Greywater Recycling is designed for greywater treatment. Greywater as certified for this listing is combined bath, laundry, and bathroom sink water. Toilet, dishwasher, and kitchen effluent are excluded from this listing due to high contaminant load in the form of BOD and TSS and must not be connected to the AQUALOOP system.

  • Page 8: Effluent Quality Approval

    2.3 Effluent quality approval During the certification process the INTEWA AQUALOOP System Greywater Recycling produces an effluent that successfully met the performance requirements established by NSF/ANSI Standard 350 Class C for a multi-family or commercial location: Measure NSF/ANSI 350 Class C...

  • Page 9: Certification Nsf/Ansi 350

    INTEWA NSF report. See the confirmation of the official NSF listing. In case of working with INTEWA indoor tanks, those larger systems are to be designed by using multiple AL-GW600 to AL-GW5400 systems. In case of using local tanks, the...
  • Page 10 Tab: Official listing, https://www.intewa.de/en/applications/rain-greywater-harvesting/greywaterrecycling/...

  • Page 11: Overview Aqualoop Gw Systems 300 - 5400 L/Day

    2.5 Overview AQUALOOP GW Systems 300 – 5400 L/day AQUALOOP System GW 0300 0600 0900 1200L 1500 1800 3600 5400 1200 1500 1800 3600 5400 Daily treatment quantity (L/day) * Daily Treatment Quantity (GPD)* 1428 150- 300- 450- 600- 750- 900- 1800- 2700-...
  • Page 12 Fig.: AQUALOOP System 1200 L/day (317 GPD) Fig.: AQUALOOP System 1800 L/day (476 GPD)
  • Page 13 Fig.: AQUALOOP System 3600 L/day (952GPD) Fig.: AQUALOOP System 5400 L/day (1428 GPD)

  • Page 14: General Safety Instructions

    3. General safety instructions The electrical components must be installed only by a qualified electrician according to local regulations. In case of failure of an electronic component, the product must be repaired by a qualified electrician before being operated again. There is a risk of electric shock and fire! The outlet circuit used for the device shall be secured and protected with a circuit breaker (e.g.

  • Page 15: Declaration Of Conformity, Electrical Standards, Approvals

    Declaration of conformity, electrical standards, approvals The AQUALOOP electrical equipment corresponds with the basic safety and health requirements of the EC directives for machines. Any modification of the equipment not coordinated by INTEWA will void the warranty. INTEWA GMBH hereby declares that the electrical equipment of AQUALOOP fulfils the requirements of...

  • Page 16: Scope Of Delivery, Transportation, Storage

    5. Scope of delivery, transportation, storage AQUALOOP-MS, membrane station with controller, switching power supply, float switch (2pcs.) (number depending on necessary daily flow rate) AQUALOOP-MEM, membrane cartridges (number depending on necessary daily flow rate) PURAIN filter, pre-filter (system dependent) AQUALOOP-BL, blower (system dependent) AQUALOOP-FK, growth bodies (system dependent) Bioreactor tank (system dependent) Installation material:...

  • Page 17: Technical Data And Installation Details

    6. Technical data and installation details 6.1 Controller 6.1.1 Single membrane station controller The single-station controller is for residential or small applications to control one Membrane Station. AL-CUNIT-S Dimensions (H x W/(incl. switching power supply) x D): 201 x 198 (329) x 110 mm (8 x 7.8 (13) x 4.5 in) Mains supply central controller (230V-IN): 110 - 230 V AC / 50-60 Hz AC switching power supply input:...
  • Page 18 Fig.: Dimensions of controller with DC switching power supply (Front and top view) Fig.: Drilled hole distances of controller housing and DC switching power supply brackets Note: Attention must be given that there is space to open the housing lid above and a place for cable routings below the housing installation space (each at least 190 mm (7.5 in)).
  • Page 19 Electrical connections: - After mounting, electrical cables can be connected to the controller. The spring terminal is opened with a small screwdriver. Insert screwdriver in the top opening, press up (arrow direction) and hold. Insert cable in the opening underneath. Then release the screwdriver (terminal closes) and remove.

  • Page 20: Multiple Membrane Station Controller With Remote Monitoring And Control

    Expansion units each add control up to three additions stations. The local interface is touch screen. The panel connects with building management systems via MODBUS or BacNet connectivity. Through the https://connect.intewa.com link, full remote programming, control, monitoring and history is possible, depending on level of access.
  • Page 21 635 (25") 600 (23,6") Fig.: Dimensions of controller (Front and top view) and drilled hole distances of housing Note: Attention must be given that there is a needed installation space (to open the housing lid and a place for cable routings) for at least 300 mm all around.

  • Page 22: Expansion Membrane Station Controller

    6.1.3. Expansion Membrane Station Controller AL-CUNIT-EXP CE AL-CUNIT-EXP UL Dimensions (H x W x D): 500 x 400 x 210 mm 19.7 x 15.8 x 8.3” Mains supply from central controller: 230 V AC / 50-60 Hz 208/480 V AC /60 Hz Power outputs : Sludge pump: 230 V AC / 50-60 Hz...

  • Page 23: Membrane Station

    6.2 Membrane Station Article: AL-MS Dimension (Ø x H): max. Ø 504 x 833 mm (20 x 32.8 “) (with max. 6 membrane cartridges) Weight without membranes: 3.5 kg (7.8 lbs) Central blower connection: Barbed End, Ø 25 mm (1”) Treated water connection: ¾“...
  • Page 24 All connection points are sealed with O-rings or flat seals. GS 1: 1 ¼“ O-ring GS 2: 1“ flat seal GS 3: 1 ¼“ flat seal GS 4: 1“ O-ring Fig.: Connections of the membrane station...

  • Page 25: Membrane Cartridge

    6.3 Membrane cartridge AL-MEM Article: Membrane cartridge (Ø x H): Ø 164 mm x 410 mm (Ø6.5 x 16.2 “) Membrane with elbow-connections: Ø 164 mm x 486 mm (Ø6.5 x 19.2 “) Weight: 1.6 kg (3.5 lbs) Membrane filter surface area: 6 m²...
  • Page 26 Note: The membrane cartridge has a blower connection (aeration) and a filtrate connection. The membrane cartridge is always operated in a vertical position, whereby the blower connection is situated at the bottom. (The air should rise upwards in the cartridge through the fibre bundles.) The lower side of membrane used with the blower connection can be distinguished by the larger holes.

  • Page 27: Pre-Filter

    6.4 Pre-filter Article: PR100-M Dimensions (L x B x H): 605 mm x 180 mm x 289 mm (23.8 x 7 x 11.4 “) Weight: 1,95 kg (4.3 lbs) Greywater inlet: DN100/ Ø 110 mm (SDR 35, 4 “ bush) Wastewater outlet: DN100/ Ø...
  • Page 28 Article: PR150-M Dimensions: (L x B x H): 1159 mm x 243 mm x 458 mm (45.6 x 9.6 x 18 “) Weight: 7.4 kg (16.3 lbs) Greywater inlet: DN150/ Ø 160 mm (SDR35 6 “, bush) Wastewater outlet: DN150/ Ø 160 mm (SDR35.6 “, spigot end) Max.
  • Page 29 Article: PR200-M PR200-M-SDR 35 1495 mm x 266 mm x 660 mm 1495 mm x 266 mm x 660 mm Dimensions: (L x B x H): (59 x 11.8 x 26 “) (59 x 11.8 x 26 “) Weight: 26 kg (58 lbs) 26 kg (58 lbs) Greywater inlet: DN200/ Ø...

  • Page 30: Blower

    6.5 Blower Article: AL-BL30* AL-BL60* AL-BL100 AL-BL120 AL-BL200 Blower size: 30 L 60 L 100 L 120 L 200 L 8 Gallons 16 Gallons 26 Gallons 32 Gallons 52 Gallons Length: 207 mm 305 mm 408 mm 408 mm 418 mm (8.2 “) (12 “) (16 “)
  • Page 31 The blowers AL-400 up to AL-BL3600 are designed for floor application. The mounting material is supplied with the blower. Article: AL-BL400-CE AL-BL800-CE AL-BL-1200-CE AL-BL-2400-CE AL-BL 3600-CE Blower size: 400 L 800 L 1200 L 2400 L 3600 L Length: 345 mm 382 mm 630 mm 630 mm...

  • Page 32: Growth Bodies

    6.6 Growth bodies Article: AL-FK30 Diameter: 36 mm (1.4 “) Length: 30 mm (1.2 “) Geometric surface: 320 m²/m³ Density range: 0.95 - 1.10 g/cm³ Material: HD-PE, recycled Colour: black Package volume: 30 L (8 gal)

  • Page 33: Level Sensor

    6.7 Level Sensor (Float Switch, Level Pressure Sensor Article: ALMS-SCHW3m Switching angle: +/- 50° Signal: 250V 16A Cable: Ø6mm (0.24 “), 3 m (9.8 ft) length Material: Use with: AL-CUNIT-S Article: LEVEL-S250 Measurement range: 0 to 0.6 bar (0 to +8.7 psi) Signal: 4 - 20 mA, Cable:...

  • Page 34: Sludge Pump

    6.9 Sludge pump Article: VIP130/6 DRENOX 160/8 Operating voltage: 230 V AC/ 50 Hz, 4A 230 V AC/ 50 Hz, 2.2A Dimension: Ø165 x 290 mm (0.7 x 11.4 “) Ø177 x 300 mm (0.7 x 11.8 “) Max. pressure: 6 m (19.7 ft) 8 m (26.2 ft) Max.

  • Page 35: Electrical Function And Operation Of The Control Units

    7. Electrical function and operation of the control units 7.1 Electronic connections 7.1.1 Single membrane station controller Fig.: Electrical connections of control board and assigned cable routings...
  • Page 36 Item Connection Description Connecting contact/Function ADr Pump Analogue pressure sensor for filtration and = green backwash pump monitoring GND = gray Ub + = brown ADg Air Analogue pressure sensor for blower = black (Pin 2) monitoring (2-wire) Ub + = brown (Pin1 Float Sw Floating switch in bioreactor for minimum Pot.
  • Page 37 Fig.: Electrical connection plan...

  • Page 38: Multiple Station Controller With Remote Control

    7.1.2 Multiple station controller with remote control Fig.: Overview of the Multiple membrane station controller (power supply 400V~...
  • Page 39 Fig.: Control cabinet of multiple membrane station controller...
  • Page 40 Part Terminal Connection Description Connecting contact/ block Function Brown Black Main power supply, 230 – 400 V Grey Blue Black/PE Power supply Expansion 1-2, 230 V Blue/ L1 Black/PE Power supply Expansion 3-4, 230 V Blue/ L1 Black/PE Power supply Expansion 5-6, 230 V Blue/ L1 Ball valve (3 way), chemical cleaning, 230 V Green...
  • Page 41 Sludge pump 1, 230 V, 300 W Sludge pump 2, 230 V, 300 W Sludge pump 3, 230 V, 300 W Filtration pump 1 A0-5 24 V DC Backwash pump 1 A0-5 24 V DC Filtration pump 2 A0-5 24 V DC Backwash pump 2 A0-5 24 V DC...

  • Page 42: Expansion Membrane Station Controller

    7.1.3 Expansion membrane station controller Fig.: Control cabinet of expansion controller...
  • Page 43 Part Terminal Connection Description Connecting contact/ block Function Power supply from main module or Black expansion module, 230 V Blue Black Power supply for next expansion module, 230 V Blue Sludge pump 1, 230 V Sludge pump 2, 230 V Sludge pump 3, 230 V Filtration pump 1 E4-20...

  • Page 44: Operating Mode Display, Menu Settings, And Description

    7.2. Operating mode display, menu settings, and description 7.2.1 Single membrane station controller Opening mode Display Operation display: Number of pump cycles A1/A2 Local Time Start time T1 Start time T2 Filtration Filtration no display in Status display aeration mode - Aeration ON/OFF Bioreactor Clear water tank...

  • Page 45: Menu Settings And Description

    Menu settings and description Various menus can be seen by selecting NEXT on the operation display. The user accesses the menu settings by selecting ENTER. After leaving the menu setting, the display reverts back to the standard operation display screen. Generally, inputs or settings are displayed and entered by pressing NEXT and ENTER.
  • Page 46 Recommendation: The running time (t) of the sludge pump should be selected in such a way so that the pump extracts every day 3% of the daily inlet quantity. Example of dimensioning for a greywater unit 1800L/day (476 GPD): = 3% V = 3% x 1800 L = 54 Litres (every day) sludge br,use...
  • Page 47 Menu 5: Status overview (Status Overview: Status 1 to 4) The overview mode can be viewed at any time. All other activities, such as aeration mode and pump frequency, continue in the background. All current settings and operating status can be viewed in this mode.
  • Page 48 Menu 7/8: Start time T1/T2 (Starting time point T1 and T2 for filtration cycle) Note for selection of start times: The pump starting times are primarily set according to the times of incoming greywater being processed in the bioreactor with MBR filtration. It is recommended to have two - three hours for biological treatment before starting with the filtration process.
  • Page 49 Menu 11: Blower times and intervals The blower run time (Air ON) and blower stop time (Air OFF) can be set within the range up to 15 min. The set blower operation is interrupted only in test mode and cleaning mode. The aeration always starts with "Air ON"...

  • Page 50: Multiple Membrane Station Controller And Expansion Modules

    7.2.2 Multiple membrane station controller and expansion modules The access to the following menus can take place at the display of the control cabinet, by using a web browser or optionally by using the INTEWA Connect App. 7.2.2.1 Start screen Fig.: Opening display (main view)

  • Page 51: Control Display

    7.2.2.2 Control Display Fig.: Control display (Example for expansion module The control display gives the ability to change settings. The following parameters are adjustable: Number of expansion modules (number panel) Switch the backwash pump and filtration pump to on, off or automatic (pop up menu) Switch the sludge pump to on, off or automatic (pop up menu) Switch the blower (membrane or plate) to ON, OFF or AUTO (pop up menu) Switch the different valves to on, off or automatic (pop up menu)

  • Page 52: Opening Display

    7.2.2.3 Opening display Fig.: Display for expansion module In the process settings the operating time can be adjusted. Alternatively, it can be switched completely into off or on. Furthermore, the run time of the filtration, backwash and different breaks can be set here.

  • Page 53: Process Flow

    7.2.2.4 Process flow The display of the different expansion modules is similar to the control display. Every pump can be switched to ON, OFF, or Auto (automatic).

  • Page 54: Maintenance

    7.2.2.5 Maintenance The maintenance display shows the run time of all pumps. Additionally, the time to the next maintenance and change of membrane cartridge is listed here. Experts can reset the timer. Furthermore, a pump test can be performed to check the status of the pumps.

  • Page 55: Installation And Connection

    Installation and connection General requirements: dry, frost-proof and ventilated room contact area under the tank has to be smooth and even distance between tank and ceiling requires min. 0.9 m (3 feet) for maintenance purposes a floor drain must be provided near the installation The blower and treated water hose should be installed with quick detachable connections for simple removal of the membrane stations.
  • Page 56 The sewer overflow must be vented to avoid odour. If the system is installed below the backwater level*, then the overflow must be routed to a lifting pump station. The flow has to be larger than the max. possible incoming grey water flow *Backwater level: This is the level up to which an overflowing drainage network can be flooded.

  • Page 57: Data Plate And Labelling Of The Controller

    8.1 Data plate and labelling of the controller The data plate is to be mounted visible on the front of the bioreactor! Fig.: Data plate with general inlet water requirements Company: INTEWA GmbH Address : Jülicher Str. 336, 52070 Aachen, Germany Tel:...

  • Page 58: System Start-Up

    9. System start-up Turn on at least one of the showers, bathtubs or sinks connected to the system. Fill the bioreactor with mains water up to one meter water level. 9.1 Water-tightness test Attention: The water tightness of all screw fixings in the membrane station is particularly important so that none of the contaminated water is able to impact the treated water.

  • Page 59: Starting The Bioreactor

    9.3 Starting the bioreactor The following are the minimum recommended settings that must be adjusted for individual system use (Example of an AQUALOOP System Greywater Recycling 1800 L/day with single control unit): Menu 1: Number of membranes: MEM = 6 Menu 2: Suction overflow: SO= 0 (weeks) Menu 3: Sludge pump: SLP/t= 3 / 30 (days/sec) Menu 6: local Time: e.g.

  • Page 60: Troubleshooting For Single Membrane Controller

    10. Troubleshooting for single membrane controller Error Cause Remedy No display - Cable bridge (s. section 6.1) not - Plug in cable bridge inserted - No 24 V voltage supply and - Check AC switching power battery has discharged mains supply; recharge battery via internal charging switch.
  • Page 61 * Note: If the battery voltage does not reach more than 8.5 Volt (see. Status display) after a charging period of approx. 14 h, then the battery needs to be replaced.
  • Page 62 Error Cause Remedy Display failure - Display crashed – i.e. by - Restore the display function by voltage surge in power supply RESET (adjusted parameters are lost) or disconnect the cable (lightning) or electrostatic discharge bridge (s. section 6.1) on control Note: The program runs board.
  • Page 63 Note: Flashing LCD and audible signal switch on Float Sw CL ON/OFF (1 sec. / 1sec.) connected) Note: If there are any questions or further support is necessary please contact your local service provider. The local service address is stated on the control unit (see section. 8.1).

  • Page 64: Troubleshooting For Multiple Membrane Controller

    10.1 Troubleshooting for multiple membrane controller Error Cause Remedy Power failure alarm in case - Controller failure - Check pumps in test menu. If of power interruption for there is a power failure in test - Mains power supply interrupted more than 20 minutes mode, then check for defect in respective pump or power...
  • Page 65 Error Cause Remedy Too frequent chemical - Chlorine tank is empty. - Check the amount of available cleaning, flow remains low Chlorine. - Backwash pump is defective. - Check the functionality of the - Membrane is irreversibly backwash pump in test mode. blocked.

  • Page 66: Maintenance And Replacement Instructions

    11. Maintenance and replacement instructions The following described maintenance schedule can be performed by authorized service staffs or by the operator. The instructions below must be followed strictly! Before working inside of the tank or on electrical equipment disconnect the power. Avoid direct skin contact with the greywater when cleaning the pre-filter and the membrane(s).
  • Page 67 The following table represents an overview of regular maintenance and replacement intervals. Detailed descriptions are outlined in the corresponding chapters. Recommendation Maintenance and/or check interval Pre-filter Check every 3 months, manually. Clean as necessary Filtration backwash Check every 6 months Replace after 3 years (20,000 hrs.

  • Page 68: Pre-Filter With Back Wash

    11.1 Pre-filter with back wash The pre-filter should be checked every 3 months, and cleaned if necessary. The auto-clean interval can then be extended depending on the build-up of contaminants. The integrated non-return valve (PR100-M) must be checked twice a year and cleaned of any deposits. 11.2 Filtration and backwash pump It is recommended that a function test of the pumps is carried out every six months.

  • Page 69: Pressure Sensor

    11.4 Pressure sensor Pressure sensors (when used) can be checked in the menu overview every 6 months (Menu 5, Status 2). Pressure sensor, pumps P(ADr): Pressure sensor, blower P(ADg) (optional): When the pressure sensor is not connected the pressure displays -1.200 bar. 11.5 Blower Blower AL-BL30 -AL BL200 AQUALOOP blowers are oil-less.

  • Page 70: Membrane

    11.6 Membrane 11.6.1 Mechanical cleaning of the membrane Sludge that has accumulated on the outside of the fibres (inside the blue cartridge) can be mechanically washed with a jet of water. The outer ring is rotated from the LOCK position to the OPEN position (counter clockwise) to open the cartridge.

  • Page 71: Chemical Cleaning

    11.6.2 Chemical cleaning Chemical cleaning dissolves biological build-up (fouling) and mineral deposits (calcium) accumulated inside of the hollow fibres. Chemical cleaning of the membrane cartridge may be done in two ways: In-Situ, directly in the bioreactor Intensive, in a separate cleaning container The main differences between the two cleaning possibilities are: In-Situ cleaning Intensive cleaning...

  • Page 72: Semi-Automatical In-Situ Cleaning In The Bioreactor (With Single Control Unit)

    11.6.2.1 Semi-automatical In-Situ cleaning in the bioreactor (with single control unit) Description: The AQUALOOP membrane station remains in the bioreactor. For each membrane 2 litres of cleaning solution are poured into the backwash tank. With a semi-automatic cleaning process controlled by the controller, the membranes are cleaned for one hour.
  • Page 73 Chemical cleaning routine for the system: A cleaning option is available on the control menu of the AQUALOOP controller. A semi-automatic cleaning of membrane cartridges can be performed without the need to dismount the membranes. Menu steps for cleaning routine: Proceed to menu 11 Confirmation for starting the cleaning routine Controller automatically starts the sludge pump until the minimum...

  • Page 74: Automatic In-Situ Cleaning In The Bioreactor (Multiple Control Unit)

    In case a chlorine cleaning routine is required after the acid cleaning the cleaning menu routine must be started again. ATTENTION! If chlorine cleaning is performed after acid cleaning, then the pipes must be sufficiently rinsed (s. step 6 above) 11.6.2.2 Automatic In-Situ cleaning in the bioreactor (multiple control unit) Description: The fully automatic cleaning requires the AL-ACLEAN accessory (optional) and is automatically controlled...
  • Page 75 The target concentration is set manually at the two dosing units. These depend on the concentration of the initial concentration and the target concentration. Fig: Manual pre-setting on the dosing units Initial concentration Pre-setting of the Pre-setting of the solution; target concentration target concentration citric acid or chlorine...

  • Page 76: Intensive Cleaning In Separate Cleaning Tank

    11.6.2.3 Intensive cleaning in separate cleaning tank Description: The AQUALOOP membrane station is taken completely out of the bioreactor and put in a separate cleaning container (s. Chapter 13 -Optional accessories-) (If the membrane station is covered in sludge it must first be cleaned manually (s.

  • Page 77: Cleaning Solution

    Example: Cleaning (2-6 membranes): Be sure the room in which the cleaning takes place is well ventilated! The pumps are connected to the integrated control unit as described in section 7. Fig.: Cleaning container AL-Tank 350L for 2-6 membranes station with integrated control unit 11.6.2.4 Cleaning solution ATTENTION! Never mix acids and alkali!
  • Page 78 Initial concentration Citric acid Mixing ratio solution; target water / citric acid citric acid or chlorine concentration / 69 mL (In-Situ cleaning, per Membrane) 40 L / 1.38 L (Intensive cleaning, AL-CTank60L) 160 L / 5.52 L (Intensive cleaning, AL-CTank350L) Granulate / 20 g 40 L / 400 g...

  • Page 79: Bioreactor

    11.7 Bioreactor Regular cleaning of the bioreactor is recommended every three years. The removal of the sludge is done by the sludge pump which is controlled by the AQUALOOP controller. However, the function of the bioreactor can be inspected by sight and smell. AQUALOOP is an aerated moving bed treatment and filtration system.

  • Page 80: Spare Parts

    AQUALOOP blower repair kit for 100 and 120 ALBL-KIT100/120 600720 AQUALOOP blower repair kit for 200 ALBL-KIT200 600721 AQUALOOP blower repair kit for 400-3600 s. blower manual Spare parts can be ordered directly from INTEWA GmbH or please ask your local dealer.

  • Page 81: Optional Accessories

    13. Optional accessories Article: AL-PCS AQUALOOP Pressure sensor for monitoring pump performance Measuring range: -0.8 to +0.8 bar (-11.6 to + 11.6 psi), Connection: 4-20 mA, ventilated 3 line terminals Cable: Ø6mm (0.24 in) , 3 m (9.85 ft) length Article: AL-TANK 60L AQUALOOP tank 60 Litres Suitable for external cleaning of one single membrane station...

  • Page 82: Warranty / Contact

    Limited Warranty INTEWA GmbH (hereinafter identified as manufacturer) warrants each AQUALOOP part to be free from defects in workmanship and materials for a period of two years from the date of purchase. Some countries/states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply.
  • Page 83 INTEWA reviews and approves each training and certification plan from local distributors on an annual basis. 3. INTEWA requires that a spare parts inventory level appropriate to sales and installed base be kept locally in each service area. The spare parts are listed in section 12.
  • Page 84 CONTACT For customers in Germany: For any queries, ordering of spare parts as well as service requests, kindly contact INTEWA GmbH directly, quoting the model type, the serial number and the purchase invoice details. INTEWA GmbH Auf der Hüls 182 52068 Aachen, Germany Tel.: 0049-241-96605-0...

  • Page 85: Annex

    Scaling is based upon multiple AQUALOOP GW5400L units. Automatic membrane cleaning is used on all GW5400L units. Multiple units can be placed in a single bioreactor tank, either supplied by INTEWA in a pre-mounted system or in locally supplied tanks of required dimensions.
  • Page 86 Fig.: AQUALOOP System 10800 l/day (2856 GPD) with automatic cleaning Fig.: AQUALOOP System 21600 l/day (5712 GPD) with automatic cleaning Fig.: AQUALOOP System 32400 l/day (8568 GPD) with automatic cleaning...
  • Page 87 Fig.: AQUALOOP System 64800 l/day (17136 GPD) with automatic cleaning Fig.: AQUALOOP System 97200 l/day (25704 GPD) with automatic cleaning...

  • Page 88: B.) Object-Specific Dimensioning Of Systems With Local Tanks

    B.) Object-specific dimensioning of systems with local tanks For systems with local tanks, INTEWA is entitled to issue an NSF Declaration of Conformity which entitles the user to carry the NSF certificate. For this purpose, INTEWA performs a plant-specific verification of compliance with the specifications of the INTEWA NSF report. See the confirmation of the official NSF listing (s.
  • Page 89 Designed and provided by INTEWA GmbH or to be separately approved alternative.
  • Page 90 © INTEWA GmbH Version: 1.1 a Subject to technical changes...

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