WaterLogic WL400 Series Manual
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WaterLogic WL400 Series Manual

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WL400
MANUAL
Waterlogic Commercial Products, LLC
11710 Stonegate Circle
Omaha, NE 68164
(800) 288-1891
www.waterlogicdealers.com
Tech Portal Website:
techportal.waterlogic.com
Waterlogic International, LTD – Global Headquarters Grenfell Road, Maidenhead, Berkshire, SL6 1HN,
United Kingdom

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  • Page 1 WL400 MANUAL Waterlogic Commercial Products, LLC 11710 Stonegate Circle Omaha, NE 68164 (800) 288-1891 www.waterlogicdealers.com Tech Portal Website: techportal.waterlogic.com Waterlogic International, LTD – Global Headquarters Grenfell Road, Maidenhead, Berkshire, SL6 1HN, United Kingdom...
  • Page 2 United States and other countries. Waterlogic reserves the right to change the specifications referred to in this literature at any time, without prior notice. Changes or modifications not expressly approved by Waterlogic could void the warranty and user’s authority to operate the equipment.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS USER GUIDE • Safety Alert Symbols ................. 4 • Safety Precautions ................4 • Features and Benefits ............... 6 • Certifications ..................7 • Model Designations and General Specifications ....... 8 • Electrical and Shipping Specifications ..........9 •...

  • Page 4: Safety Alert Symbols

    Unit should be protected by ground-fault circuit interrupter (GFCI) or residual current device (RCD) having a rated residual operating current not exceeding 30mA. Use only Waterlogic supplied power cord. Never use extension cords or power strips to connect unit. Do not use if the power supply cord is damaged.
  • Page 5 CAUTION! USE A WATER PRESSURE REGULATOR. Waterlogic will not be responsible for injury or damage caused by excessive water pressure. Input or feed pressure must be 40 psi to 60 psi. Be aware of any potential pressure surges caused by building/municipal pumping stations.

  • Page 6: Features And Benefits

    WL400 FEATURES AND BENEFITS Ambient, Cold, Hot, and Extra Hot Water Pressure Fed Ambient, Cold, Hot, and Extra Hot Selections to meet a wide range of customer demands. Cold water temperature is adjustable. High Volume Storage and Water Capacity The WL400 Water Treatment System has 4 liters (1 Gallon) of Cold Water Capacity and 1.2 Liters (.3 Gallons) of Hot Water Capacity.

  • Page 7: Certifications

    Drinking Water Coolers. CSA C22.2 No. 120 CSA Standard for Refrigeration BPA Free - Waterlogic tests for BPA and declares that all of its products are Bisphenol-A FREE and contain no harmful BPA plastics. NSF/ANSI-55 Class A –Ultraviolet Microbiological Water Treatment Systems Water Quality Association is an international standards organization.

  • Page 8: Model Designations And General Specifications

    MODEL – PART NUMBER Waterlogic WL400 Counter Top - Ambient, Cold, Hot and Extra Hot WL400 Counter Top 10-WL4FW-SB F-4FW-M-HCA-HC2P-SB-INN Serial Number Prefix: 96 Waterlogic WL400 Base Cabinet with RO WL400 Base Cabinet 10-WL4BC F-4FW-M-HCA-HC2P-SB-INN SPECIFICATIONS ITEM Water Connection ¼” Quick Connect Cold Water Temperature –...

  • Page 9: Electrical And Shipping Specifications

    SHIPPING SPECIFICATIONS ITEM WL400 Counter Top WL400 Base WL400 Tower Combined 42cm x 44.5cm x 44.5cm 42 cm x 44.5cm x 80cm 42 cm x 44.5cm x 125cm Width/Depth/Height (16.5” x 17.5” x 17.5”) (16.5” x 17.5” x 31.5”) (16.5” x 17.5” x 49”) Weight (dry) of Box 26 kg (57 pounds) 28 kg (61 pounds)

  • Page 10: Operating Instructions

    OPERATING INSTRUCTIONS The above picture shows front dispensing panel for the Waterlogic WL400 Water Treatment System. Button Operational Use COLD WATER: Press the Cold-Water selection button. There may be a 2 second delay as Firewall™ UV lamp purifies the water and the Firewall™.
  • Page 11 Dispensing your choice of water is very simple. 1. Place your cup centrally in the dispensing area. Always use a cup suitable for use with hot water. Never hold cup or place hands in dispensing area while dispensing hot water. Never try to fill more than one cup at a time.

  • Page 12: Warranty

    Waterlogic will, at its sole discretion, determine whether to correct the defect or replace the unit, free of charge to you. If Waterlogic determines that the unit should be returned for warranty service, Waterlogic will approve of return in writing and will issue a Return Authorization which you must obtain prior to shipping the product.

  • Page 13: Service Requirements

    1. Visually inspect all electrical and water connections for signs of wear or damage. DANGER! HIGH VOLTAGE ELECTRICAL HAZARD. Unplug before inspection and service. 2. Waterlogic recommends changing the UV Lamp Assembly and Wiring Harness must be replaced every 6 months. 13UV Lamp Assembly...

  • Page 14: Hot Tank Principles Of Operation

    HOT TANK PRINCIPLES OF OPERATION All Waterlogic Hot Tanks have a built in Vent or Expansion Chamber in the top of the tank except for WL270 (GF) units. The Vent Chamber allows for expansion of the water when it is heated.

  • Page 15: Resetting The Hot Tank Overload (High Limit Safety)

    RESETTING THE HOT TANK OVERLOADS - HIGH LIMIT SAFETY Turn off Green Heater/Compressor Switch on rear of unit. O=OFF Unplug the Power Cord from rear of unit. Remove Two Screws Remove the Tower Cover Locking Screws and Slide Locks towards outside of unit to unlock both locks. Slide Locks Open Slide Top Cover forward and lift in front of Top Cover to open.

  • Page 16: Hot Tank Descaling

    HOT TANK DESCALING INSTRUCTIONS The hot tank requires removal of mineral deposits (descaling) on a regular basis. Typically descaling should take place every 6 to 12 months to preserve the long-term health of your unit. Use non-toxic cleaner such as ScaleKleen, DEZCAL, 20% Citric Acid Solution, or Undiluted Vinegar Solution to remove mineral deposits as directed by the manufacturer depending upon filtration and local water conditions.
  • Page 17 5. Allow descaling solution to remain in the Hot Tank for 15 minutes (length of time may vary depending on water conditions). 6. Place a pitcher, catch basin or other container under the faucet of the WL400 Water Treatment System. 7.

  • Page 18: Increasing Faucet Flow

    INCREASING FAUCET FLOW To increase flow from the WL400, you may turn up the RO pressure switch to 60 psi by removing the right lower panel of the base cabinet to access the switch. Turn adjusting screw in (clock wise) 6 turns or until output pressure is 60 psi, verify with pressure gauge.

  • Page 19: Display Panels And Icons

    DISPLAY PANELS AND ICONS UV Lamp Has Failed The UV Lamp is Sleep Mode - See troubleshooting operating press any section of manual button to bring machine out of sleep The Hot Tank is heating up A leak has been mode detected - See troubleshooting...

  • Page 20: Disabling Sleep Mode

    DISABLING SLEEP MODE Sleep Mode - press any button to bring machine out of Sleep Mode. WL400 Manual Page 20 – Revision: 10-23-2019...

  • Page 21: Programming

    PROGRAMMING INSTRUCTIONS The above picture shows front dispensing panel for the Waterlogic WL400. Press and Hold all 4 dispensing buttons for 10 seconds. There are 5 options in the menu. Cold Button cycles down the menu Room (Ambient) Button cycles up the menu...
  • Page 22 PROGRAMMING INSTRUCTIONS Reset the Display Counter (Gallons) Reset Gallons Counter on the Display to “0000” 1. Press and Hold all 4 dispensing buttons for 10 seconds. 2. Release when programming mode is initiated and F-s is shown on screen 3. Press Cold to scroll down to the F-r (Filter Reset Menu) 4.

  • Page 23: Opening Top Cover

    OPENING TOP COVER Remove Two Screws 1. Remove screws from slide locks located near dispenser. Slide Locks Open 2. Push Slide Locks inward toward dispensing area. 3. Pull Cover forward and lift from the front to open Top Cover. 4. Locate Top Cover Support Arm attached to left side panel.

  • Page 24: Replacement Components (Consumables)

    Part No. RO-0005-A * One pre-installed. One required for NSF-53 and NSF P231 Certification. Replacement parts can be obtained from Waterlogic or an Authorized Waterlogic Dealer. See Parts Layouts, Drawings, and Lists for additional repair parts. Hot Tank Service Hot Tanks (with controls) must be replaced at least every 3-5 years depending on usage.

  • Page 25: Countertop Drawing And Parts List

    WL400 COUNTER TOP MAIN PARTS DRAWING AND PARTS LIST See next page for part explosion WL400 Manual Page 25 – Revision: 10-23-2019...
  • Page 26 WL400 COUNTER TOP MAIN PARTS DRAWING AND PARTS LIST See previous page for part explosion WL400 Manual Page 26 – Revision: 10-23-2019...
  • Page 27 WL400 COUNTER TOP MAIN PARTS DRAWING AND PARTS LIST WLCP Part Description Part No Stocked? Consumables HT-3037-A 1.2L 120V 500W Steel Hot Tank HT-3037-A CT-2090-C 10-8075 13W UV Lamp Assembly 75 GPD - RO Membrane Kit - Includes: 15- 3001 RO Membrane, 15-3020 RO 10-8061 Shown Membrane Housing, 2 each JG 480821S...
  • Page 28 CU-0001 Solenoid Cushion CU-0001 PL-1344-A Adjustable Cup Tray PL-1344-A PL-1320-A Drip Tray Grill - Silver PL-1320-A ST-8267-C Drip Tray Sensor Pin - Left ST-8267-C ST-8267-D Drip Tray Sensor Pin - Right ST-8267-D PL-1319-F Drip Tray Body – Silver PL-1319-F PL-1354 Firewall Hot Water Faucet PL-1354 PL-1354-A...
  • Page 29 LP-7312 Hot Button Label LP-7312 LP-7313 Extra Hot Button Label LP-7313 Remaining Parts 10-8085 UV Lamp Fixing Rubber (Silicon) CT-2001-B 10-3095 CDS Fixing Rubber (Silicon) CT-2010 10-8095 Firewall UV Lamp Fixing Rubber CT-2078-A 10-8090 Spiral Quartz Spacer CT-2077-A 10-8080 Quartz Spiral for Firewall FU-0007-A FU-0009-A Firewall Assembly...
  • Page 30 27.1 Fan Bracket ST-8265 Bulkhead Union ¼” x ¼” John Guest P/N 10-3067 PU-4028 PI1208S Socket with ElectroMagnetic Interference 10-4013 EL-5016 Filter (EMI) 10-3008 Red Compressor and Heater Switch EL-5004 10-3009 Green Power Switch EL-5005 PL-1330 Back Panel Hinge (A-4) PL-1330 PL-1331 Back Panel Hinge (A-1)
  • Page 31 39.2 10-5018 Compressor Overload (LG Compressor) CO-9015 Mini Front Support Frame - Left ST-8255 Wire Condenser CO-9041 41.1 12-1001 Filter Dryer CO-9008 Mini Front Support Frame - Right ST-8256 CT-2028 and 14-5011 Drain Valve & Cap 5/16" CT-2031-A 12-3150 Unit Rubber Feet PL-1251-CN PL-1375 Leak Containment Tray...
  • Page 32 EL-5128 Power Adaptor with Fixing Bracket EL-5128 EN-6119 LED PCB EN-6119 PL-1335 LED PCB Holder Sealing Rubber PL-1335 LED Holding Plate PL-1318 PL-1312-C Front Upper Panel - Silver PL-1312-C PL-1317 Top Cover Lock with screw hole PL-1317 Main PCB Metal Cover ST-8285 EN-6137 Main PCB...
  • Page 33 EN-6136 Display PCB EN-6136 PL-1334 PCB Cover PL-1334 JG LLD PE Tube - Blue O.D.1/4"John Guest PU-4031 PU-4031 shown P/N PE-08-BI-1000F-B 10-7040 Silicon Tube 5/16" for hot water PU-4064 shown 10-3007 Power Cord 120V – 1825 mm EL-5001-B Shown WL400 Manual Page 33 –...

  • Page 34: Base Drawing And Parts List

    WL400 BASE MAIN PARTS DRAWING AND PARTS LIST WL400 Manual Page 34 – Revision: 10-23-2019...
  • Page 35 WL400 BASE LAYOUT DRAWING AND PARTS LIST WLCP Part Description Part No Stocked? Consumables 10-8055 RO Carbon Filter (PRE-FILTER) RO-0002-A 10-8050 RO Sediment Filter RO-0001-A 15-3001 75 GPD RO Membrane 75 GPD RO Membrane Kit - Includes: 15- 3001 RO Membrane, 15-3020 RO 10-8061 Membrane Housing, 2 each JG480821S Fittings, and RO Membrane Instructions.
  • Page 36 RO-0011 Flow Restrictor Micro RO-0011 RO-0010-A Flushing-Valve Micro RO-0010-A RO-0009-A T-connect (2) Micro RO-0009-A JG Shut Off Valve NPT 1/4" (PPSV500822W) 12-6102 PU-4082 5/16" * 1/4" RO-0006-A 1/4" Rigid Elbow for RO Housing - Micro RO-0006-A 15-3020 RO Housing Purchase from John JG Equal Elbow Connector 1/4"...
  • Page 37 ST-8333 RO Filter Bracket ST-8333 CT-2056-A RO Bladder Tank (4 gallon) CT-2056-A RO Bladder Tank (4 Gallon) - Holding ST-8337 ST-8337 Bracket 1 RO Bladder Tank (4 Gallon) - Holding ST-8338 ST-8338 Bracket 2 10-3083 Unit Rubber Feet ST-8016 Base Cabinet Bottom Shelf ST-8269 PL-1375 Leak Containment Tray...
  • Page 38 10-7040 Silicon Tube 5/16" for hot water PU-4064 shown 10-3007 Power Cord 120V – 1825 mm EL-5001-B Shown WL400 Manual Page 38 – Revision: 10-23-2019...

  • Page 39: Flow Diagram

    WL400 STANDARD WATER FLOW DIAGRAM There is a 100 Gallons per day (Gpd) / 378.5 Liters per day (Lpd) flow restrictor inline after the Main Unit bulkhead inlet fitting on all WL400 Treatment Systems. Flow Restrictor Part Number AK-0014-B Check Valve Check Valve WL400 Manual...

  • Page 40: Electrical Schematic

    WL400 COUNTER TOP ELECTRICAL DIAGRAM DANGER! HIGH VOLTAGE ELECTRICAL HAZARD. PCB (Printed Circuit Board) contains High Voltage. Only trained and qualified technicians should attempt live testing. WL400 Manual Page 40 – Revision: 10-23-2019...

  • Page 41: Ro Quick Guide Overview

    RO QUICK GUIDE OVERVIEW The WL400 Water Treatment System contains a high capacity Reverse Osmosis Filtration System installed in the Base Cabinet. Efficiency is improved by utilizing the on-board booster pump to optimize the osmotic pressure, and a 4 Gallon Bladder Tank is included in the Base Cabinet. The Filtration system has 4 Stages of Filtration with 75 Gallons per day capacity combined with exclusive Firewall™...

  • Page 42: Base Cabinet Side Removal

    BASE CABINET SIDE REMOVAL WL400 Manual Page 42 – Revision: 10-23-2019...

  • Page 43: Base Cabinet Configuration

    BASE CABINET CONFIGURATION WL400 Manual Page 43 – Revision: 10-23-2019...

  • Page 44: Ro Setup And Filter Change

    RO SETUP AND FILTER CHANGE 1. Remove Front Panel from Base Cabinet 2. Isolate Water Supply 3. Remove Pre-Carbon and Post-Carbon Filters and clear carbon fines by flushing 5 gallons on water through each filter individually to drain. 4. Reinstall Pre-Carbon and Post-Carbon filters. 5.

  • Page 45: Inside Left Side Cabinet Configuration

    INSIDE LEFT-SIDE CABINET CONFIGURATION WL400 Manual Page 45 – Revision: 10-23-2019...

  • Page 46: Inside Right Side Cabinet Configuration

    INSIDE RIGHT-SIDE CABINET CONFIGURATION WL400 Manual Page 46 – Revision: 10-23-2019...

  • Page 47: Replacing Ro Membrane

    REPLACING RO MEMBRANE Original Filter Configuration Part No Description WLCP Part No RO-0001A Sediment Filter 10-8050 RO-0002A Pre-Carbon Block 10-8055 Original RO Membrane RO-0004C RO Membrane 10-8060 WLCP PN 10-8060 (Factory PN RO-0004C) RO-0005A Post Carbon Black 10-8065 One Piece 100 Gpd (378.5 Lpd) RO Membrane CT-2090-C 13W UV Lamp 10-8075...
  • Page 48 OLD RO Membrane # 10-8060 Installed NEW RO Membrane # 10-8061 Installed WL400 Manual Page 48 – Revision: 10-23-2019...

  • Page 49: Pre-Installation Procedures

    Users will clog the drain with paper clips, erasers, napkins, tea bags, gum, and various other intended items. Waterlogic recommends you establish a minimum of weekly visits to the machine for cleaning of the drip tray drain.
  • Page 50 2. Put 1 teaspoon of sanitizer per directions or use Bleach Solution (1 teaspoon = 1/6 oz. = 5 ml = ½ cap full) of household bleach (Sodium Hypochlorite 5 - 10% Concentration) in the Sanitizing Cartridge. Always ensure sanitizer is compatible with stainless steel and acetyl plastic. 3.
  • Page 51 Flush Filters CAUTION! FILTER FLUSH REQUIRED. In order for our filters to perform as represented and to provide the best quality water possible, it is essential that filters be replaced periodically. The frequency of filter changes depends upon your water quality and your water usage. For example, if there is a lot of sediment and/or particles in your water, then you will have to change your filters more frequently than a location with little to no sediment.
  • Page 52 17. On Back of Cabinet, connect two pieces of tubing to the RO Drain and Water Out line and run to external drain. 18. Connect power cord to WL400 Water Treatment System and turn on Red Power Switch. 19. Connect power to WL400 Water Treatment System. Turn on Red Power Switch I=ON.
  • Page 53 WARNING! HOT CIRCUIT IS NOT SANITIZED. Water in the hot circuit is not sanitary until the temperature exceeds 171°F (77°C) for at least 5 minutes. UV System Functional Test WARNING! ULTRAVIOLET RADIATION. Protect your skin and eyes against ultraviolet rays. Never look directly at an operating UV light.
  • Page 54 36. Always ensure tanks are full of water before turning on the Heater or the Overload (High Limit) will open and require manual reset. It will take the heater approximately 10 minutes to heat the water from ambient 75°F (24°C) to the factory set point of 185°F (85°C). Dispense a cup of hot water to ensure the temperature/odor/taste is acceptable.

  • Page 55: Draining Procedure

    WL400 DRAINING INSTRUCTIONS Draining Notes Drain the WL400 Water Treatment System for transportation. WARNING! STORE UNIT EMPTY. ALWAYS SANITIZE BEFORE REUSE. The unit must be completely drained and sealed before storing to avoid stagnation and reduce microbial growth). Prior to draining the Hot Tank, turn Off the Green Compressor / Heater switch (O=OFF), and dispense 2 liters of hot water from the machine.
  • Page 56 9. Disconnect Cold Line from top of Cold Tank. 10. Remove Drain Caps and Plug from Cold Water Tank Drain on the back of the WL400 Water Treatment System. 11. Open Bladder Tank. 12. After unit has finished draining, replace Plug and Drain Caps. 13.

  • Page 57: Base Cabinet Assembly

    BASE CABINET ASSEMBLY Insert the four corner supports into the base panel. Secure with one screw to the bottom of each upright. Place Top Panel on to the corner supports. Secure with two screws to the top of each upright. WL400 Manual Page 57 –...
  • Page 58 Fix the back panel into the base panel and secure with four screws. Fix the side panels into the base panel and secure with two screws in each through the top panel. WL400 Manual Page 58 – Revision: 10-23-2019...
  • Page 59 Place the WL400 Counter Top onto the base cabinet. Secure as shown. Attach the door strap to the door using the three short screws. Align bottom of door into the base panel and attach door strap into cabinet housing. WL400 Manual Page 59 –...

  • Page 60: Installation Instructions

    Pre-installation and sanitization procedures as prescribed in this manual must be performed before installing the WL400 Water Treatment System Always install indoors and place the Waterlogic WL400 Water Treatment System on a firm, flat and stable surface. WL400 Manual...
  • Page 61 1. Unpack the Waterlogic WL400 Water Treatment System and check exterior for damage. 2. Remove Front Panel from Base Cabinet opening Top of Panel and Removing Slide Bar. 3. Remove WL400 Water Treatment System from packaging and place on top of base cabinet.
  • Page 62 Green Heater/Compressor Switch must be in the O=OFF position while the hot tank is empty. Damage could occur within one minute and the overloads (high limit) will require manual reset if heater is turned on with an empty hot tank. 11.

  • Page 63: Fault Codes

    FAULT CODE TROUBLESHOOTING INDEX 1. Icon and Alarm on continuously – Leak Detector Sensor Alarm 2. Icon ON Continuously, Alarm for 20 Seconds – the Firewall UV system is not detecting adequate dose of UV to ensure safe water FAULT CODE: Icon and Alarm on continuously –...
  • Page 64 Icon On Continuously, Alarm for 20 Seconds FAULT CODE: Possible Reason Solution UV Lamp Alarm Replace Lamp / Sensor to reset. WL400 Manual Page 64 – Revision: 10-23-2019...

  • Page 65: Power Troubleshooting

    POWER TROUBLESHOOTING INDEX 1. Red Power Switch, Green Heater and Compressor Switch and the LEDs on the Front won't light 2. Red Power Switch, Green Heater and Compressor Switch are lit but the red LED on the Front is not lit 3.
  • Page 66 2. Red Power Switch, Green Heater and Compressor Switch are lit but the red LED on the Front is not lit Possible Reason Solution Bad Transformer Replace Transformer Black Power Connector to the Properly connect. PCB is not properly connected Bad Front PCB Replace Front PCB Defective Red Power Switch...
  • Page 67 4. Compressor is Not Running Possible Reason Solution Turn Green Heater and Compressor Switch on. Green Heater and Compressor I = ON Switch button on unit is in the off position Turn Green Heater and Compressor Switch off. O = OFF.

  • Page 68: Dispense Troubleshooting

    DISPENSING TROUBLESHOOTING INDEX 1. Irregular / Intermittent Dispensing 2. Steady Drip out of Faucet 3. Hot Water or Steam coming out of both the Faucet and the Vent Hole 4. Hot Water coming out of Faucet Vent Hole 5. Restricted Flow of Hot Water 6.
  • Page 69 1. Irregular / Intermittent Dispensing Possible Reason Solution Check water pressure at the inlet bulkhead with a water pressure gauge. Too much water pressure. Additional method of verification is to turn off water to unit Recommend 40 to 60 psi for and press the dispense button.
  • Page 70 See Hot Tank Descaling Instructions that are included further Hot Tank outlet hole is scaled below in this Troubleshooting Section. over. See instructional video on the Partner Area of the Waterlogic.com website for more information. Expansion chamber is not Replace the Hot Tank.
  • Page 71 Troubleshooting Section. Hot Tank outlet hole is scaled over. See instructional video on the Partner Area of the Waterlogic.com website for more information. See instructional video on the Partner Area of the Waterlogic.com website for more information.
  • Page 72 See instructional video on the Partner Area of the Waterlogic.com website for more information. All Waterlogic Hot Tanks have a built in Vent or Expansion Chamber in the top of the tank except for WL270 (GF) units. The Vent Chamber allows for expansion of the water when it is heated.
  • Page 73 7. Dispenses Hot and Cold Water at the Same Time Possible Reason Solution Remove Top cover. Check Hot Solenoid: Dispense cold water and visually inspect tubing for water flow from both tanks. Hot or Cold solenoid is stuck open. Check Cold Solenoid: Disconnect elbow from outlet of cold solenoid. Select hot water and dispense (quickly releasing dispensing button to avoid much water coming out of cold solenoid.
  • Page 74 9. Water does not dispense from Unit Possible Reason Solution Closed water supply valve Open the water supply valve. The unit is not properly Check electrical outlet connection, or for blown circuit breaker. plugged into electrical outlet Green Heater and Compressor Turn Green Heater / Compressor Switch on.
  • Page 75 10. Cold Water Dispenses from Faucet and Vent Outlet Simultaneously Possible Reason Solution Improper tubing attachment Verify tubing is connected properly from tank outlets to correct from the tank to faucet or vice faucet attachments. versa Scale has formed inside cold Remove cold water outlet tube from tank to faucet.
  • Page 76 Run On exists because the tanks pressurize as water is being dispensed. Every Waterlogic tank has an outlet restrictor to ensure the tanks remain full of water and water is controlled as it is released to the faucet.
  • Page 77 HOT TANK DESCALING INSTRUCTIONS The hot tank requires removal of mineral deposits (descaling) on a regular basis. Typically descaling should take place every 6 to 12 months to preserve the long-term health of your unit. Use non-toxic cleaner such as ScaleKleen, DEZCAL, 20% Citric Acid Solution, or Undiluted Vinegar Solution to remove mineral deposits as directed by the manufacturer depending upon filtration and local water conditions.
  • Page 78 13. Allow descaling solution to remain in the Hot Tank for 15 minutes (length of time may vary depending on water conditions). 14. Place a pitcher, catch basin or other container under the faucet of the WL400 Water Treatment System. 15.

  • Page 79: Cold Water Troubleshooting

    Wait for cold tank to chill water to temperature prior to dispensing more cold water. Tank has run out of cold water. A greater capacity of Waterlogic Water System is available. Check continuity of thermostat with multimeter. Replace Cold Water Thermostat thermostat as required.

  • Page 80: Hot Water Troubleshooting

    HOT WATER TROUBLESHOOTING INDEX Hot Water Problems 1. Hot Water is not Hot 185° +/- 5° 2. Boiling of the Hot Tank at higher elevations Also includes related instructions for • Disabling Sleep Mode • Resetting the Hot Tank Overloads or High Limit Safety 1.
  • Page 81 Overloads will “click” when pushed. The overload is automatically Overloads Tripped reset when pressed. Overloads are a safety feature See Resetting the Hot Tank Overloads or High Safety Limit to ensure the tank does not Instructions that are included further below in this overheat.
  • Page 82 The WL400 Water Treatment System has an extra hot temperature reset preset to 95°C (203°F). This leads to boiling of the Hot Tank at higher elevations. There are two options to correcting this issue. Option 1 - Replace Main PCB Part Number EN-6137 (Waterlogic Spare parts have a lower 90°C (194°F) Extra Hot Setting.
  • Page 83 DISABLING SLEEP MODE Sleep Mode - press any button to bring machine out of sleep mode WL400 Manual Page 83 – Revision: 10-23-2019...
  • Page 84 RESETTING THE HOT TANK OVERLOADS OR HIGH LIMIT SAFETY Turn off Green Heater/Compressor Switch on rear of unit. O=OFF Unplug the Power Cord from rear of unit. Remove Two Screws Remove the Tower Cover Locking Screws and Slide Locks towards outside of unit to unlock both locks. Slide Locks Open Slide Top Cover forward and lift in front of top cover to open.

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