Table of Contents INTRODUCTION .......................................................................................................................... 3 Contents ................................................................................................................................... 3 Installation Kit Contents ......................................................................................................... 6 Product Specifications .......................................................
INTRODUCTION Contents MODwaterTM 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. Flushing the filters through the dispenser may cause the internal valves to be compromised and fail. Your warranty will be invalidated.
Congratulations on your purchase! Thank you for choosing HOSHIZAKI MODwaterTM 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. Fast: It fills bottles in seconds. Child Safe: Avoids accidental dispensing of hot water (by enabling the Child Safety Switch). Energy Saving: It enters stand-by mode – with button lights off, if not frequently used.
WARNING • Connect DWM-20A to city potable water only. • Check and comply with all local plumbing codes when performing installation. • Check the water inlet pressure. While the dispenser id designed to withstands 80 psi maximum inlet water pressure, the recommended inlet water pressure is 60-65 psi. Always use a water pressure regulator (included in the installation kit) to reduce the water pressure down to 60-65 psi. • For you sparkling water, only use carbon dioxide UN 1013 Food Grade.
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 CO2 Regulator 1/4” Tube (15 ft.
Product Specifications Dimensions 14 7/8" W x 21 1/2" D x 16 5/8" H Dry / Wet Weight 72 lb. / 93 lb.
Dimensions of the 3 largest components to be installed: 1. CO2 Gas Tank – UN1013 Food Grade – (Not included) CO2 Regulator Height Diameter To be positioned under the counter, or at any location no more than 30 ft from the DWM-20A dispenser. SIZE 20 lb. Tank 10 lb. Tank 5 lb. Tank DIAMETER 9 in. 7 in. 7 in. HEIGHT 28 in. 22 in. 17 in. 2. Model DWM-20A 14 7/8" 21 1/2" NOTICE for proper ventilation allow at least 4” of space at the rear 10 1/4" 16 5/8" and sides of DWM-20A.
Safeguards WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, FIRE AND/OR PERSONAL INJURY, PLEASE READ THIS INSTALLATION MANUAL CAREFULLY. 1. 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. 2. Do not immerse the electric power cord, the plug, or the DWM-20A in water. Do not plug the DWM-20A into a household extension cord.
Instructions 1. 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. 2. 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.
INSTALLATION Step-By-Step Set Up DWM-20A DISPENSER 3/8” Water Line Tubing Alkaline Chamber (HS-5442) 1/4" CO2 Gas Line Tubing Water Pressure Regulator 1/2" Drain Line Tubing *SOLD SEPARATELY CO2 Gas Tank All-in-One filters (HS-5441) CO2 Gas Regulator COMPLETED INSTALLATION ON A COUNTERTOP 11
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. of weight. A kitchen countertop is an ideal place.
J BACK VIEW OF A COMPLETED INSTALLATION ON A COUNTERTOP A. 3/8" Manual shut off valve Red Collet Locking Clip 1/4” and 3/8” B. 65PSI 3/8” Pressure regulator C. 3/8" Angle stop valve D. Leak Detector E. Double Gauge CO2 Regulator F. 3/8" Tube 2-way Divider G. Double All-in-One Filter x5 PCS x20 PCS H. CO2 Gas Tank I. Flow Prevention Valve (ASSE 1032) J. Power Cord K. Alkaline Chamber L. 3/8" Drain Tube M. 3/8" Water Tube N. 1/4" CO2 Tube O.
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. Otherwise select another suitable location for either the filters or the CO2 tank.
• 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. Remove the two (2) black rubber plugs at the bottom of the drain pan and at the end of the drain tube.
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. Locate and close the main valve for COLD water under the sink (turn it right completely), (fig 1).
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). Then install the “ASSE 1032” backflow prevention valve (I), the water pressure regulator (B) and the shutoff valve (A). ※Install (C), (I) and (B) close to each other.
• Locate the gas tubing (1/4”) as found in the installation kit. • Attach a CO2 regulator (as provided in the installation kit) to the external CO2 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. • Connect the CO2 regulator using the 1/4” CO2 tube, to the elbow quick connector (1/4”) in the “CO2 INLET” at the back of the DWM-20A appliance.
• 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.
• 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. • Now that the entire water line is connected, as per the picture on the next page, open the angle stop valve (C) and also the shutoff valve (A).
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 potential flooded water would naturally accumulate, (see diagram below). BACK VIEW • Now the installation is complete, and it is time for setup and fine tuning.
• If you have installed the DWM-20A filtration correctly, the green light indicator “FILTER” (top right) should also be solid green at this point.
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. The overall installation process follows the same steps as above, but there is no need to drill holes in countertops.
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 AM50/C-80 units 24
FRONT SIDE Completed Installation of DWM-20A on AM-50/C-80 WARNING: The CO2 tank must be secured to the wall with a metal chain or restraint (not included, order separately) 25
Water Source BACK Water Source BACK CORNER Completed Installation of DWM-20A on AM-50/C-80 26
MAX 20 lbs 15° MAX MAX TILT = 15 DEGREES WARNING: MAX LOAD WEIGHT ON TOP OF DWM-20A = 20 LBS WARNING: DO NOT TILT 27
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. Hot Water Touch and hold red button to dispense hot water (fig 12).
TIP: For precise adjustment of carbonation level, measure the inlet water pressure entering DWM-20A and follow this table below: Inlet Water Pressure CO2 Pressure 45 psi 45-50 psi 50 psi 50-55 psi 55 psi 55 psi 60 psi 60 psi 65 psi 65 psi 29
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. • Put the drain pan back in place.
CO2 Tank Replacement If the arrow on the “Capacity Gauge” is in the red region, it is time to replace the CO2 tank. Follow these steps below: 1. 2. 3. 4. 5. 6. 7. 8. Fully close the main valve on top of the CO2 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). Shut the the CO2 regulator, turning the knob counter-clockwise until the arrow on the “Gas Pressure Gauge” is close to zero.
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. Drain Pan Top 5.
Daily Keep exterior surfaces of the dispenser (nozzle, nozzle guard, front plate dispensing area, drain pan top, drain pan bottom) clean by using a clean, damp cloth. While wearing sanitary gloves, sanitize the exterior surfaces with a hydrogen peroxide (3% solution) and allow the surface to air dry. When cleaning and sanitizing the touch buttons, be sure to power off the dispenser to prevent accidentally dispensing water. Additionally, it is important to keep the drain pan clean of debris.
2) Replacing the Air Filter A. B. 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.
I. Rotate the alkaline chamber clockwise, 1/4 turn, and pull it out. J. 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. K. Re-insert the water line into the “WATER IN” port on the back of the dispenser and re-open the main water line valve. L. Now flush the alkaline chamber by dispensing approximately 2 gallons of alkaline water using the alkaline touch button.
Open the Side Panel Door Replace the alkaline chamber HS-5442 36
Changing the Alkaline Chamber 1. 2. Shut off water and relieve line pressure. Hold head firmly. Rotate the old cartridge clockwise 1/4 turn and pull it out. 3. Pull cartridge down and out of the head. 4. Hold head firmly. Insert new cartridge into the filter head. 5. 6. Turn the new cartridge into the filter head and rotate counter-clockwise 1/4 until rotation clicks and stops. Flush filter for 5 minutes before use or until water runs clear, by touching the (white) Alkaline button.
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. WARNING WATER TO DRAIN MAY BE EXTREMELY HOT (190°F). Do not turn off the hot water switch on the back of the dispenser. Before starting, confirm that the water line is properly connected. 1. Empty the hot water tank by using the drain line.
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. Power Reset Button). IMPORTANT: In case of breaker trip, only reset once. If it happens again shortly after, send the water dispenser back to the Manufacturer for maintenance.
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: 1. Close the CO2 supply line by turning the handle knob (turn clockwise) on the CO2 tank’s regulator. 2. Dispense sparkling water (green button) to make sure that sparkling water comes out totally flat (no gas). 3.
TECHNICAL SUPPORT Troubleshooting A. Lights are off B. Both the green & red LED indicators are blinking, while all four (4) touch buttons are off and no water can be dispensed 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.
F. Does not dispense hot water at all “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 “Child Safety Switch” at the back of DWM-20A to its “NO” position (turn it up). The red LED dot indicator on the touch panel of DWM-20A should turn on. G. Hot water is not hot Check if the hot water power is on (red switch on the back).
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. In that case a beep is clearly audible and the leak detector must be reset.
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.
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. A dated purchase receipt from the manufacturer or its authorized retailer or distributor is also required.
