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Hoshizaki MODwater Series Instruction Manual

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  • Page 2: Table Of Contents

    Table of Contents INTRODUCTION .......................... 3 Contents ........................... 3 Installation Kit Contents ......................6 Product Specifications ......................7 Safeguards ..........................9 Instructions ..........................10 INSTALLATION .......................... 11 Step-By-Step Set Up ......................11 Installation on AM-50/C-80 Ice Makers ................23 OPERATION ..........................28 MAINTENANCE .........................

  • Page 3: Introduction

    INTRODUCTION Contents MODwater Dispenser Model DWM-20A • DURING INSTALLATION, KEEP THE PLUGS (STEMS) INSIDE BOTH COLD AND HOT DRAINS Cold and hot water drains should ONLY be unplugged before transporting your MODwater dispenser. • DO NOT FLUSH FILTERS THROUGH THE DWM-20A DISPENSER Flush or wash the filters with a separate line.
  • Page 4 Congratulations on your purchase! Thank you for choosing HOSHIZAKI MODwater model DWM-20A. The DWM-20A has the following main characteristics and features: Multiple Options: From the left to the right: chilled sparkling water, chilled still water, hot water and cold alkaline water.
  • Page 5 Proper installation is the responsibility of the installer. Product failure or property damage due to improper installation is not covered under warranty. Hoshizaki provides this Manual primarily to assist qualified service technicians in the installation, maintenance, and service of the water dispenser.

  • Page 6: Installation Kit Contents

    Installation Kit Contents 3/8” Shut Off Valve All-in-One Filters (2 pcs) HS-5441 Water Pressure Regulator 3/8” Angle Stop Valve Alkaline Chamber HS-5442 Leak Detector 3/8” Tube (20 ft.) for Water Inlet Regulator 1/4” Tube (15 ft.) for CO Inlet 3/8” Tube 2-Way Divider (2 pcs) Red Collet Locking Clip 1/4”...

  • Page 7: Product Specifications

    Product Specifications Dimensions " W x 21 " D x 16 " H Dry / Wet Weight 72 lb. / 93 lb. Electrical Rate 120 V / 60 Hz (Single Phase) Maximum Current Ambient Working Temperature 41 – 90 °F Inlet Water Temperature 41 –...
  • Page 8 DWM-20A. If not possible, refer to: www.hoshizakiamerica.com website for alternative installation solutions. To be positioned on any countertop, or on top of an AM-50 / C-80 HOSHIZAKI ice maker. 3. All-in-One filters (2 pcs.) – HS-5441 – (Included) 1.3" 1.6" 16.1"...

  • Page 9: Safeguards

    Safeguards WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, FIRE AND/OR PERSONAL INJURY, PLEASE READ THIS INSTALLATION MANUAL CAREFULLY. Connect and operate the DWM-20A only in accordance with the specifications shown on the label located at the back of the DWM-20A model and in this Installation Manual. Do not immerse the electric power cord, the plug, or the DWM-20A in water.

  • Page 10: Instructions

    Instructions Make certain that installation of the DWM-20A model complies with all federal, state and local laws and regulations as well as with your building codes, office/apartment or condo provisions, rules or regulations. In the installation of DWM-20A you must only use HS-5441 filtration system. The Manufacturer is not responsible for any misuse or modification of HS-5441 filtration system and accepts NO liabilities if the DWM-20A is used with different filtration systems.

  • Page 11: Installation

    INSTALLATION Step-By-Step Set Up DWM-20A DISPENSER 3/8” Water Line Tubing Alkaline Chamber (HS-5442) 1/4" CO Gas Line Tubing Water Pressure 1/2" Drain Line Tubing Regulator *SOLD SEPARATELY Gas Tank All-in-One filters (HS-5441) Gas Regulator COMPLETED INSTALLATION ON A COUNTERTOP...
  • Page 12 General Instructions: The DWM-20A model is designed to be located on any countertop, or on a Hoshizaki C-80/AM-50 ice maker as • indicated on the following section (see page 23). • In case of installation on a counter, the DWM-20A must be placed on a sturdy, uniform surface capable of withstanding, at least, 93 lb.
  • Page 13 BACK VIEW OF A COMPLETED INSTALLATION ON A COUNTERTOP Red Collet Locking Clip 1/4” and 3/8” A. 3/8" Manual shut off valve B. 65PSI 3/8” Pressure regulator C. 3/8" Angle stop valve D. Leak Detector E. Double Gauge CO Regulator F.
  • Page 14 FRONT VIEW OF A COMPLETED INSTALLATION ON A COUNTERTOP Unpack the two All-in-One filters. Procure the CO2 gas tank from a local CO2 supplier of choice. Make sure that • the CO2 tank is labeled Carbon-Dioxide UN1013 Food Grade. Check that there is sufficient space under the counter to place all the components of the installation kit as listed on page 6.
  • Page 15 IMPORTANT: connect the drain pan. The drain pan comes connected to a drain pipe that runs underneath the • dispenser and can be connected to a drain by a flexible plastic tube connected to the back of the DWM-20A dispenser. If there is not enough downward slope for the drain line, please install an accessory drain pump to ensure water does not back-up in the drain line.
  • Page 16 Warm air blows out from the back 5 minutes after the DWM-20A has started Temporary Water Line C. 3/8” Angle Stop Valve B. 65 PSI 3/8” Pressure Regulator I. Flow Prevention Valve (ASSE 1032) BACK VIEW • Prepare a temporary water line to connect the water dispenser (DWM-20A unit): 1.
  • Page 17 2. Using a pipe wrench, loosen the nut and disconnect the water line at the main valve, (fig 2). 3. Next, install the “Angle Stop Valve” (C), as shown, (fig 3). 4. Locate the 3/8” flexible tube in the installation kit. Cut a short tube section to connect the angle stop valve to the other components of the installation kit, (fig 4).
  • Page 18 Locate the gas tubing (1/4”) as found in the installation kit. • Attach a CO regulator (as provided in the installation kit) to the external CO canister (not provided) by turning the • nut to the right while holding the regulator. IMPORTANT: Ensure that the main valve on the external CO2 canister is completely closed.
  • Page 19 With power on, after one (1) minute, two touch button lights - the green-sparkling and the white-alkaline - will • start blinking. Touch and hold both of them – contemporarily – for three (3) seconds, until ALL all four button lights (green, blue, red, and white) will start blinking, indicating water is flowing into the dispenser.
  • Page 20 When completely clear water is dispensed through the double All-in-One filters, close the angle stop valve (C) • again, and remove the temporary water line. BACK VIEW • Run a line from the back of the dispenser to the 3/8” 2-way divider which is connected to the filters’ outlet port. •...
  • Page 21 start beeping loudly. However, thanks to the paper towel wrapped around, a small spill from a glass of water or from the drain pan would not be sufficient to trigger the leak detector. Carefully position the leak detector under the counter, close to the double All-in-One filters, or in an area where •...
  • Page 22 If you have installed the DWM-20A filtration correctly, the green light indicator “FILTER” (top right) should also be • solid green at this point. FILTER LIFE (GREEN) if blinking, replace the filters HOT WATER AVAILABILITY (RED) If off, disable child safety switch at the back...

  • Page 23: Installation On Am-50/C-80 Ice Makers

    Installation on AM-50/C-80 Ice Makers The MODwater DMW-20A can also be mounted on Hoshizaki AM-50 or C-80 undercounter ice makers. The base of the DWM-20A is designed to perfectly fit on top of these ice makers and can be secured by using two mounting brackets, provided separately as an accessory.
  • Page 24 NOTE: The DWM-20A cannot be mounted on the cabinet door models (– DS version) of the AM-50/C-80 models Mounting Brackets for the DWM-20A and AM-50/C-80 Anchoring the DWM-20A on top AM- 50/C-80 units...
  • Page 25 FRONT SIDE Completed Installation of DWM-20A on AM-50/C-80 WARNING: The CO tank must be secured to the wall with a metal chain or restraint (not included, order separately)
  • Page 26 Water Source Water Source BACK BACK CORNER Completed Installation of DWM-20A on AM-50/C-80...
  • Page 27 MAX 20 lbs 15° MAX MAX TILT = 15 DEGREES WARNING: MAX LOAD WEIGHT ON WARNING: DO NOT TILT TOP OF DWM-20A = 20 LBS...

  • Page 28: Operation

    OPERATION Alkaline Water Touch and hold the white button to dispense alkaline water (fig 9). Chilled Still Water Touch and hold the blue button to dispense chilled water (fig 10). Chilled Sparkling Water Touch and hold the green button to dispense chilled sparkling water (fig 11). Increase the bubble level to desired fizziness level as described in the following page.
  • Page 29 TIP: For precise adjustment of carbonation level, measure the inlet water pressure entering DWM-20A and follow this table below: Inlet Water Pressure Pressure 45 psi 45-50 psi 50 psi 50-55 psi 55 psi 55 psi 60 psi 60 psi 65 psi 65 psi...

  • Page 30: Maintenance

    MAINTENANCE Empty Drain Pan If the drain pan is NOT connected to its drain line, it must be regularly emptied: • Gently pull the drain pan with care to avoid spilling. • Empty the water inside and clean the drain pan with soapy water if necessary. •...

  • Page 31: Co 2 Tank Replacement

    Tank Replacement If the arrow on the “Capacity Gauge” is in the red region, it is time to replace the CO tank. Follow these steps below: Fully close the main valve on top of the CO tank. Release gas pressure by touching the green button on the water dispenser and dispensing sparkling water, or by pulling the gas valve (see fig 6 on page 18).
  • Page 32 Areas of Maintenance Routine sanitization of the DWM-20A dispenser should be performed on the following parts: 1) Nozzle 2) Nozzle Guard 3) Front Plate Dispensing Area 4) Drain Pan Top 5) Drain Pan Bottom 2. Nozzle Guard 1. Nozzle 3. Front Plate Dispensing Area Update drawing with new design of drain pan top 4.
  • Page 33 While wearing sanitary gloves, remove the nozzle cap by unscrewing it counterclockwise. Remove the aerator and o-ring from the nozzle cap. A special tool is available from Hoshizaki. C. Insert new aerator and o-ring (both available as service parts from Hoshizaki) into the nozzle cap and screw the assembly back into the nozzle.
  • Page 34 2) Replacing the Air Filter The air filter is located underneath the dispenser. While wearing sanitary gloves, slide the air filter out of the dispenser. Slide in a new air filter into the dispenser. Air Filter 3) Replacing the 2 external All-in-One filters (HS-5441) and the internal alkaline chamber (HS-5442) Replace the two external All-in-One filters (HS-5441) and the alkaline chamber (HS-5442) when the filter life green LED indicator blinks (i.e.
  • Page 35 Rotate the alkaline chamber clockwise, 1/4 turn, and pull it out. Insert a new alkaline chamber by rotating it counter-clockwise, 1/4 turn, until it clicks and stops. The arrow head on the top collar should align with the arrow on the head. Re-insert the water line into the “WATER IN”...
  • Page 36 Open the Side Panel Door Replace the alkaline chamber HS-5442...
  • Page 37 Changing the Alkaline Chamber Shut off water and relieve line pressure. Hold head firmly. Rotate the old cartridge clockwise 1/4 turn and pull it out. Pull cartridge down and out of the head. Hold head firmly. Insert new cartridge into the filter head. Turn the new cartridge into the filter head and rotate counter-clockwise 1/4 until rotation clicks and stops.
  • Page 38 4) Cleaning and Sanitizing the Hot Water Tank NOTICE: This operation must be carried out by an authorized technician. This operation takes one hour. You must follow the guidelines and procedures for the cleaning and sanitizing solution established by the manufacturer.

  • Page 39: Electrical System

    Electrical System The DWM-20A dispenser must be plugged directly into 110/120 VAC, 60Hz wall outlet only (15 Amps). A 15A – 125VAC / 250VAC circuit breaker is installed on the dispenser and the circuit breaker can be accessed for reset at the back of the dispenser (i.e.

  • Page 40: Transporting And Relocating

    Transporting and Relocating If the DWM-20A dispenser needs to be relocated to another place or sent back to the manufacturer or the dealer for repairs, it is necessary that the water inside the hot water tank and the refrigeration system is drained. Please follow the below procedures: Close the CO2 supply line by turning the handle knob (turn clockwise) on the CO2 tank’s regulator.

  • Page 41: Technical Support

    TECHNICAL SUPPORT Troubleshooting Check that the dispenser is NOT in its “SLEEP MODE”. If the green dot light indicator (top right of the front plate) is illuminated, the dispenser is simply “sleeping”. Touch any button for a few seconds to start it and all buttons will illuminate.
  • Page 42 “Child Safety Switch” is on its “YES” position (i.e. down), indicating that child safety switch has been enabled. To allow hot water to be dispensed, turn the F. Does not dispense hot water at all “Child Safety Switch” at the back of DWM-20A to its “NO”...

  • Page 43: Leak Detector Troubleshooting

    Leak Detector Troubleshooting The installation kit for DWM-20A provides one (1) leak detector which will automatically shut off the water to the dispenser if leaks are detected (assuming that its electrodes are correctly positioned and its alkaline battery is charged). However, very often leak detectors are activated by minor water spillage from the drain pan and/or a partially wet counter.

  • Page 44: Warranty Conditions

    WARRANTY CONDITIONS Three-Year Limited Warranty for DWM-20A dispenser to consumers. This Limited Warranty is only valid for the United States of America and its territories. For installations outside of the USA call 1 (800) 233-1940 to receive related Warranty. The manufacturer warrants this dispenser against defects in material or workmanship for a period of three years, if this dispenser is purchased either directly from the manufacturer or from its authorized retailers or distributors.
  • Page 45 INSTRUCTIONS To obtain warranty service, you must deliver this dispenser, freight prepaid, in either its original box, or packaged affording an equal degree of protection to the manufacturer: Hoshizaki America, Inc. at the address specified on the manufacturer’s website www.hoshizakiamerica.com and available by contacting the manufacturer at 1 (800) 233-1940.

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Modwater dwm-20a

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