L Series Commercial RO Systems 300 to 19,000 GPD

L SERIES SMALL COMMERCIAL RO SYSTEMS 300 TO 19,000 GPD

  • 300 to 19,000 Gallons/Day
  • For feed water TDS 500 to 1000 PPM

Designed to produce low dissolved solids water from tap or well water, these Small Commercial RO systems use high efficiency reverse osmosis membranes. Part of the L-series family (other systems include XL and HL series), these RO systems are designed to work at pressures of 200-250 psi for higher TDS water and use TW reverse osmosis membranes. The TW RO membranes offer higher salt removal and the higher operating pressure overcomes the loss of membrane flow due to higher TDS level.

AMI L Series reverse osmosis systems use the proven, reliable components and are mounted on a sturdy powder-coated metal frame. There are numerous design details learned from years of experience that are incorporated in our water filtration systems. Our process and fluid design ensures an optimum membrane life and minimizes the membrane fouling.

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  • Over 30 years of experience is reflected in our quality
  • Compact, Heavy Duty, Powder Coated Frame
  • Proven components used throughout the system
  • Conservatively engineered for reliable long term performance
  • Factory tested to ensure trouble-free operation

L Series Commercial Reverse Osmosis Systems Ordering Information

RO System Model No.

RO System Capacity

RO Membrane Elements

Line Sizes
(NPT, Inches)

RO System Dimensions
(in/cm)

Approx. Shipping Weight
(Lb/Kg)

GPD

m³/day

Qty.

Size
(Dia.×L)

Inlet

Perm.

Conc.

Length

Depth

Height

L-12521A

300

1

1

2.5” × 21”

¾”

⅜”

⅜”

20/51

24/61

55/140

230/104

L-125A

600

2

1

2.5” × 40”

¾”

⅜”

⅜”

20/51

24/61

55/140

240/109

L-225A

1,200

5

2

2.5” × 40”

¾”

⅜”

⅜”

20/51

24/61

55/140

250/113

L-14A

1,800

7

1

4” × 40”

¾”

½”

½”

20/51

24/61

55/140

275/125

L-24A

3,000

12

2

4” × 40”

¾”

½”

½”

20/51

24/61

55/140

300/136

L-34A

5,500

21

3

4” × 40”

¾”

½”

½”

20/51

32/82

55/140

325/147

L-44A

7,000

27

4

4” × 40”

¾”

½”

½”

20/51

32/82

55/140

350/159

L-54A

8,500

32

5

4” × 40”

¾”

½”

½”

20/51

32/82

55/140

375/170

L-64A

10,000

38

6

4” × 40”

¾”

½”

½”

20/51

32/82

55/140

400/181

L-74A

11,500

44

7

4” × 40”

¾”

½”

½”

20/51

40/102

55/140

441/200

L-84A

13,000

49

8

4” × 40”

¾”

½”

½”

20/51

40/102

55/140

466/211

L-94A

14,400

55

9

4” × 40”

¾”

½”

½”

20/51

40/102

55/140

491/223

L-104A

16,000

60

10

4” × 40”

¾”

½”

½”

20/51

46/117

55/140

516/234

L-114A

17,300

66

11

4” × 40”

¾”

½”

½”

20/51

46/117

55/140

541/245

L-124A

19,000

72

12

4” × 40”

¾”

½”

½”

20/51

46/117

55/140

566/257

Notes and Voltage/ Ordering Information

  • Recommended Pre-Treatment Equipment: All pretreatment equipment and SDI test kits are available from Applied Membranes.
    • Carbon Filter: Chlorine must be removed with a carbon filter prior to the RO system, if present in the feed water.
    • Water Softener: Hardness must be removed if present in feed water prior to RO to avoid scaling the membranes.
    • Multimedia filter: If feed water exceeds <1 NTU turbidity, or silt density index (SDI) of 3, media filter pretreatment recommended.
  • Capacity Basis: 24 hrs/day
  • Systems rated at: 77°F (25°C) using 1000 ppm sodium chloride solution operating at approx. 200 psi (14 kg/cm²) pressure. For feed water with higher TDS refer to our Series HL brochure.
  • Minimum feed pressure to RO System: 40-60 PSI. System capacity changes significantly with water temperature
  • All dimensions and weights are approximate.
  • Voltage: Please add our voltage codes to the end of the model number when ordering. Example: L-12521-116 = 110v, 1 ph, 60 hz.

Available Voltages:

Voltage Code

Voltage

L-12521A

L-125A

L-225A

L-14A

L-24A

L-34A

L-44A

L-54A

116

 120V/1Ph/60Hz

216

 220-240V/1Ph/60Hz

215

 220-240V/1Ph/50Hz

236

 240V/3Ph/60Hz

235

 240V/3Ph/50Hz

436

 460V/3Ph/60Hz

Voltage Code

 

L-64A

L-74A

L-84A

L-94A

L-104A

L-114A

L-124A

 

116

  120V/1Ph/60Hz

 

216

 220-240V/1Ph/60Hz  

215

 220-240V/1Ph/50Hz  

236

 240V/3Ph/60Hz  

235

 240V/3Ph/50Hz  

436

 460V/3Ph/60Hz  

Standard Equipment

  • Thin Film Composite RO Membranes
  • Stainless Steel RO Membrane Pressure Vessels
  • 5 Micron 20” Cartridge Filter & Housing
  • Feed Water Temperature Gauge
  • Automatic Inlet Feed Solenoid Valve
  • Permeate, Concentrate & Recycle Flowmeters
  • RO System Control Valve
  • Recycle Control Valve
  • Low Pressure Pump Protection
  • High Pressure RO Pump
    • L-12521 – L-24A: Brass Rotary Vane
    • L-34A – L-124A : SS multistage with throttling valve
  • Automatic Membrane Flush
  • 4) Liquid Filled Pressure Gauges for Filter IN/OUT and RO System Pressures
  • Product TDS Displayed on Controller LED
  • RO System ON/OFF with 2-Level Tank Floats
  • Powder Coated Carbon Steel Frame
  • Boxed and Palletized for Shipment

Microprocessor Controller for Automatic Operation

Monitors and/or Controls:

  • Inlet valve
  • Delayed start-up of high pressure pump
  • Feed water flush at system shut-down
  • Low pressure switch
  • On/Off with tank level
  • Permeate Water Quality (TDS)
  • Pre-treatment backwash/lockout
I-ROC300 Controller for Automatic Operation

Controller Features:

  • Backlit LED Display
  • LED indicator light for system status/alarm
  • Front panel access port for calibration of TDS sensor
  • LED indicator light for water quality (TDS)
  • Start-up and shut-down with tank level
  • Feed flush at shut-down
  • Low pressure shut-down
  • Low pressure automatic restart
  • Delayed start-up of high pressure pump

LED Display:

  • Permeate TDS
  • Operating Status
  • Alarm Condition
  • Spot Free Rinse/Car Wash
  • Water Stores
  • Whole House
  • Laboratories
  • Large Office
  • Institutions
  • Ice Makers
  • Humidification
  • Misting
  • Commercial
  • Manufacturing
  • Rinse Water And a wide variety of other applications

Optional Add-On Parts and Equipment for Commercial RO Systems

AMI’s L Series RO Systems are available with a wide variety of optional add-on equipment. All assemblies include hardware and mounting equipment for easy upgrade to your new or existing system installation.

Wall Mount Filter Cartridges

Includes mounting bracket and Isolation Valves to close the line when changing the filter cartridge.

Part # A711

Filter cartridge must be ordered separately – common options are shown below. Any 20″ Big Blue size cartridge can be installed. Click here to view our complete filter cartridge product selection.

Pretreatment Options Available:

  • Block Carbon Filter Cartridges Block Carbon filter cartridges produce no carbon fines.

Post-treatment Options Available:

  • Calcite Filter Cartridge to neutralize the pH of the RO permeate water – Filter Model H-F4220CALCITE Click for Product Details
  • DI Filter Cartridge with Mixed-Bed Deionization Resin for ultrapure applications – Filter Model: H-F4220DI Click for Product Details

Softeners & Media Filtration Pre/Post Treatment

AMI Media filters feature fully automatic backwash or regeneration for easy, trouble free maintenance. Ensure superior system operation and extended membrane life by providing proper pretreatment to the incoming feed water on a continuous basis. Common pretreatment or post-treatment methods include:

  • Single or Twin Water Softener to remove hardness and scale.
  • Multi-Media Filter for sediment filtration to approximately 10 microns.
  • Carbon Filter to remove chlorine.
  • Calcite Filter to neutralize the pH of the RO product water.

Click Here to visit the Media Filtration section of our site for detailed information on the full line of media filtration products we carry.

Chemical Injection System

Antiscalant injection as an alternative to a water softener for scale control, or Sodium Metabisulfite injection as an alternative to a carbon filter to remove chlorine.

Water Quality Monitors

Pre-packaged wall-mountable water quality monitoring controls allow you to monitor the quality of the incoming feed or RO product water. Assembly includes the monitor, enclosure and sensor.

Available Options for Monitoring Incoming Feed Water Quality:
  • ORP – 60Hz Part # A246, 50Hz Part # A247
  • pH – 60Hz Part # A244, 50Hz Part # A245
Available Options for Monitoring RO Product Water Quality:
  • Total Dissolved Solids (TDS) – 60Hz Part # A242, 50Hz Part # A243
  • Resistivity – 60Hz Part # A248, 50Hz Part # A249
  • pH – 60Hz Part # A244, 50Hz Part # A245

Ultraviolet (UV) Systems

Add an ultraviolet water sterilizer for a 99.9% reduction of bacteria and viruses in the feed and/or permeate line.

Note: For feed line, wall-mount filter cartridge assembly shown above is required.

Tank Pressure Controls

To automatically turn the RO system on or off with the permeate storage tank level. For use with a pressurized storage tank (sold separately).

  • 220v/60Hz – Part # A621

Pressurized Storage Tank

Pressurized permeate storage tank available in 40 or 80 gallon volume. Assembly includes tank, valve, piping, tubing, and pressure gauge.

  • 40 Gallon Tank Assembly – Part # A612-40
  • 80 Gallon Tank Assembly – Part # A612-80

Tank Level Controls

Turns system on or off according to the water level in an atmospheric storage tank.

  • Dual float assembly provides system on/off controls.
    Part # YFL2PPAS
  • Triple float assembly provides system on/off as well as low level protection on/off for a repressurization pump.
    Part # YFL3PPAS

Atmospheric storage tank and repressurization pump are sold separately.

Atmospheric Storage Tank

Atmospheric Permeate Storage tank. Assembly includes bulkheads and vent filter. For use with Tank Level Controls (sold separately).

  • 200 Gallon Part # A613-200
  • 400 Gallon Part # A613-500

Delivery System

20 GPM, 50 PSI, 220v/1ph/50-60Hz

Includes Pump, 40 Gallon Pressure Tank, Controls and Fittings

Part # A606-216

Prefilter Pressure Gauge

To allow for monitoring of the in and out pressure of the prefilter in order to indicate when the cartridge needs to be changed. Assembly includes pressure gauge and fittings.

Part # A623

Floor Casters Kit

2 Locking casters and 2 Swivel casters to mount at the base of the stand for ease of system mobility.

Part #: A625

Replacement Parts & Consumables for HL Series Reverse Osmosis Systems

Give us a call today at 604-878-8092. Let’s discuss your unique application needs.

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