Hatco AWD-12 Installation Manual

hatcocorp.com

WARNING

ADVERTENCIA

AVERTISSEMENT

(see page 2)

S'inscrire en ligne!

(voir page 16)

Atmospheric Hot Water Dispenser

Distributeur d'eau chaude

atmosphérique

AWD Series/Série

Installation and Operating Manual

Manuel d'installation et d'utilisation

Do not operate this equipment unless you have read and understood the contents of this manual! Failure to follow the instructions contained in this manual may result in serious injury or death. This manual contains important safety information concerning the maintenance, use, and operation of this product. If you’re unable to understand the contents of this manual, please bring it to the attention of your supervisor. Keep this manual in a safe location for future reference.

English = p 2

No opere este equipo al menos que haya leído y comprendido el contenido de este manual! Cualquier falla en el seguimiento de las instrucciones contenidas en este manual puede resultar en un serio lesión o muerte. Este manual contiene importante información sobre seguridad concerniente al mantenimiento, uso y operación de este producto. Si usted no puede entender el contenido de este manual por favor pregunte a su supervisor. Almacenar este manual en una localización segura para la referencia futura.

Ne pas utiliser cet équipement sans avoir lu et compris le contenu de ce manuel ! Le non-respect des instructions contenues dans ce manuel peut entraîner de graves blessures ou la mort. Ce manuel contient des informations importantes concernant l'entretien, l'utilisation et le fonctionnement de ce produit. Si vous ne comprenez pas le contenu de ce manuel, veuillez le signaler à votre supérieur. Conservez ce manuel dans un endroit sûr pour pouvoir vous y référer plus tard.

Français = p 16

24 Hour 7 Day Parts and Service Assistance available in the United States and Canada by calling 800-558-0607.

WARNING

CAUTION

NOTICE

CONTENTS

English

Important Owner Information ..............................................2

Introduction...........................................................................2

Important Safety Information...............................................3

Model Description.................................................................4

Model Designation................................................................4

Specifications........................................................................4

Plug Configurations .............................................................4

Electrical Rating Chart .........................................................4

Dimensions ..........................................................................5

Installation.............................................................................6

General ................................................................................6

Operation...............................................................................7

General ................................................................................7

Dispensing Hot Water..........................................................7

Programming the Dispenser ................................................8

IMPORTANT OWNER INFORMATION

Record the model number, serial number (specification label located on the lower side of the unit), voltage, and purchase date of the unit in the spaces below. Please have this information available when calling Hatco for service assistance.

Model No. ____________________________________

Serial No. ____________________________________

Voltage ______________________________________

Maintenance ..........................................................................9

General ................................................................................9

Daily Cleaning......................................................................9

Draining the Dispenser ........................................................9

De-Liming the Dispenser ...................................................10

Resetting the High Temperature Safety Switch .................11

Troubleshooting Guide ......................................................12

Error Codes .......................................................................12

Options and Accessories...................................................13

Limited Warranty.................................................................15

Authorized Parts Distributors............................Back Cover

Business Hours: 7:00

Telephone: 800-558-0607; 414-671-6350

e-mail: partsandservice@hatcocorp.com

AM to 5:00 PM Central Standard Time (CST)

(Summer Hours: June to September— 7:00

AM to 5:00 PM CST Monday–Thursday

7:00

AM to 4:00 PM CST Friday)

Date of Purchase ______________________________

Completing online warranty registration will prevent delay in obtaining warranty coverage. Access the Hatco website at www.hatcocorp.com, select the Parts & Service pull-down menu, and click on “Warranty Registration”.

INTRODUCTION

Hatco Atmospheric Hot Water Dispensers quickly provide 2, 3, or 4 quarts (1.9, 2.8, or 3.8 liters) of hot water for food preparation or cleaning. A 12 gallon (45 liter) stainless steel tank provides up to 8 gallons (30 liters) of continuous hot water. The setpoint temperature can be adjusted from 75–195°F (24–91°C), with the factory default setting at 195°F (91°C). The tank can be emptied using the convenient bottom drain.

Hatco Atmospheric Hot Water Dispensers design features include an electronic temperature controller with a digital temperature display, POWER ON/OFF (I/O) switch, premeasure dispense buttons, and a manual dispense button for additional water volume options.

Standard equipment includes a stainless steel base, a powder coated body, 4" (102 mm) legs and a 6' (1829 mm) electrical cord and plug. All electric heating elements are metal sheathed and controlled by a submersed thermistor. The units are protected with a high-temperature limit switch and low-water cutoff.

The unit electrical and plumbing connections are factoryassembled and ready for installation.

Additional information can be found by visiting our web site at www.hatcocorp.com.

This manual provides the installation, safety, and operating instructions for Atmospheric Hot Water Dispensers. Hatco recommends all installation, operating, and safety instructions appearing in this manual be read prior to installation or operation of a unit.

Safety information that appears in this manual is identified by the following signal word panels:

WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

NOTICE is used to address practices not related to personal injury.

Form No. AWDM-1016

English

WARNING

NOTICE

CAUTION

IMPORTANT SAFETY INFORMATION

Read the following important safety information before using this equipment to avoid serious injury or death and to avoid damage to equipment or property.

ELECTRIC SHOCK HAZARD:

• Plug unit into a properly grounded electrical receptacle of the correct voltage, size, and plug configuration. If plug and receptacle do not match, contact a qualified electrician to determine and install the proper voltage and size electrical receptacle.

• Unit must be installed by qualified, trained installers. Installation must conform to all local electrical and plumbing codes. Installation by unqualified personnel will void the unit warranty and may lead to electric shock or burn, as well as damage to unit and/or its surroundings. Check with local plumbing and electrical inspectors for proper procedures and codes.

• Turn OFF power switch, unplug power cord, and allow unit to cool before performing any cleaning, adjustments, or maintenance.

• DO NOT submerge or saturate with water. Unit is not waterproof. Do not operate if unit has been submerged or saturated with water.

• Unit is not weatherproof. Locate unit indoors where ambient air temperature is a minimum of 70°F (21°C).

• Do not steam clean or use excessive water on unit.

• This unit is not “jet-proof” construction. Do not use jetclean spray to clean this unit.

• Do not pull unit by power cord.

• Discontinue use if power cord is frayed or worn.

• Do not attempt to repair or replace a damaged power cord. The cord must be replaced by Hatco, an Authorized Hatco Service Agent, or a person with similar qualifications.

• This unit must be serviced by qualified personnel only. Service by unqualified personnel may lead to electric shock or burn.

• Use only Genuine Hatco Replacement Parts when service is required. Failure to use Genuine Hatco Replacement Parts will void all warranties and may subject operators of the equipment to hazardous electrical voltage, resulting in electrical shock or burn. Genuine Hatco Replacement Parts are specified to operate safely in the environments in which they are used. Some aftermarket or generic replacement parts do not have the characteristics that will allow them to operate safely in Hatco equipment.

EXPLOSION HAZARD: Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance.

This unit has no “user-serviceable” parts. If service is required on this unit, contact an Authorized Hatco Service Agent or contact the Hatco Service Department at 800-558-0607 or 414-671-6350.

Form No. AWDM-1016

Make sure all operators have been instructed on the safe and proper use of the unit.

This unit is not intended for use by children or persons with reduced physical, sensory, or mental capabilities. Ensure proper supervision of children and keep them away from the unit.

BURN HAZARD:

• Some exterior surfaces on unit will get hot. Use caution when touching these areas.

• Drain water may reach temperatures in excess of 200°F (93°C). Use appropriate plumbing materials when installing drain.

Auto-Fill units must be installed with adequate backflow protection and must conform with all federal, state, and local codes.

All water and waste piping and connections shall comply with the International Plumbing Code 2003, International Code Council (ICC), or to the Uniform Plumbing Code 2003, International Association of Plumbing and Mechanical Officials (IAPMO).

Locate unit at the proper counter height in an area that is convenient for use. The location should be level to prevent the unit or its contents from falling accidentally and strong enough to support the weight of the unit and contents.

Damage to any countertop material caused by heat generated from Hatco equipment is not covered under the Hatco warranty. Contact the manufacturer of the countertop material for application information.

Do not use deionized water. Deionized water will shorten the life of water reservoir and heating element.

Transport unit in upright position. If laid on its side, water must be drained from unit.

Do not over-tighten plumbing connections. Overtightening may cause leaks.

Incoming water in excess of 3.0 grains of hardness per gallon (GPG) (0.75 grains of hardness per liter) must be treated and softened before being supplied to an Atmospheric Hot Water Dispenser. Water containing over

3.0 GPG (0.75 GPL) will decrease the efficiency and reduce the operating life of the unit.

Incoming water supply must not exceed 140°F (60°C). Water pressure must be at least 35 psi (241 kPa) and not exceed 80 psi (552 kPa).

Use non-abrasive cleaners and cloths only. Abrasive cleaners and cloths could scratch finish of unit, marring its appearance and making it susceptible to soil accumulation.

Clean unit daily to avoid malfunctions and maintain sanitary operation.

MODEL DESCRIPTION

Control Panel

Removable Shelf

Drain Valve Handle

A W D - 12

Atmospheric

Water

Tank size in gallons

Dispenser

WARNING

NEMA L6-30P

NEMA 6-30P

All Models

Hatco Atmospheric Hot Water Dispensers are equipped with an electronic temperature controller, a digital temperature display, a POWER ON/OFF (I/O) switch, pre-measured dispensing buttons, and a manual dispense button. The units are protected with a high-temperature limit switch and low-water cut-off.

Atmospheric Hot Water Dispensers deliver premeasure 2, 3, or 4 quart (1.9, 2.8, 3.8 liter) quantities of hot water at temperatures up to 195°F (91°C). This compact and durable unit requires minimal counter space and a removable shelf allows access to dispense water into large containers.

Standard equipment includes a stainless steel base, a powder coated body, 4" (102 mm) legs, tank drain valve, and a 6' (1829 mm) electrical cord and plug.

A 12 gallon (45 liter) stainless steel tank provides up to 8 gallons (30 liters) of continuous, temperature-controlled water ranging from 75–195°F (24–91°C). The tank is drained easily with a convenient bottom drain fitting.

NOTE: Refer to the OPTIONS AND ACCESSORIES section for

alternate dispensing volumes, wall mounting, and other available options and accessories.

MODEL DESIGNATION

English

Model AWD-12

SPECIFICATIONS

Plug Configurations

Units are supplied from the factory with an electrical cord and plug installed. Plugs are supplied according to the applications.

ELECTRIC SHOCK HAZARD: Plug unit into a properly grounded electrical receptacle of the correct voltage, size, and plug configuration. If plug and receptacle do not match, contact a qualified electrician to determine and install the proper voltage and size electrical receptacle.

NOTE: Specification label located on the lower side of the unit.

See label for serial number and verification of unit electrical information.

NOTE: Receptacle not supplied by Hatco.

Electrical Rating Chart

Model Voltage Kilowatts Amps Plug Configuration Shipping Weight†

AWD-12 208 5 24.0 NEMA 6-30P* 80 lbs. (36 kg)

* NEMA L6-30P is optional. † Unit weight filled with water capacity (12 gallons [45 liters]) is 180 lbs. (82 kg).

240 5 20.8 NEMA 6-30P* 80 lbs. (36 kg)

Plug Configurations

Form No. AWDM-1016

English

A B

(203 mm)

D E

4" (101 mm)

Dimensions

SPECIFICATIONS

Model

AWD-12

Width

(A)

13-3/8″

(339 mm)

Depth

(B)

27-1/2″

(698 mm)

Height

(C)

28-1/16″

(713 mm)

Footprint Width (D)

10-3/4″

(273 mm)

Footprint Depth (E)

14-3/4″

(375 mm)

Water Temperature Recovery Table

60°F

Model kW

AWD-12 5

NOTE: gph is gallons per hour; lph is liters per hour.

(33°C)

33 gph

(125 lph)

70°F

(39°C)

29 gph

(110 lph)

80°F

(44°C)

25 gph

(95 lph)

(50°C)

22 gph

(83 lph)

Cold-Start Heat-Up Time

Model kW

AWD-12

5 22 Minutes 33 Minutes 52 Minutes

60°F

(33°C)

Water Temperature Recovery Time

Model kW

AWD-12

5 15 Minutes* 22 Minutes* 35 Minutes*

60°F

(33°C)

90°F

Degrees of Rise

100°F

(55°C)

20 gph

(75 lph)

110°F

(61°C)

18 gph

(68 lph)

Degrees of Rise

90°F

(50°C)

90°F

(50°C)

120°F

(66°C)

17 gph

(64 lph)

130°F

(72°C)

15 gph

(57 lph)

140°F

(78°C)

14 gph

(53 lph)

150°F

(83°C)

13 gph

(49 lph)

140°F

(78°C)

140°F

(78°C)

160°F

(88°C)

12 gph

(45 lph)

* Recovery times are after 10 gallons (37 liters) of water have been dispensed.

Form No. AWDM-1016

INSTALLATION

WARNING

CAUTION

Water

Inlet

Drain Valve

Handle

Drain Fitting

Drain Hose (accessory)

NOTICE

English

General

Use the following information and procedures to install a Atmospheric Hot Water Dispensers.

ELECTRIC SHOCK HAZARD:

• Unit is not weatherproof. Locate unit indoors where ambient air temperature is a minimum of 70°F (21°C).

Auto-Fill units must be installed with adequate backflow protection and must conform with all federal, state, and local codes.

1. Remove the unit from the carton.

2. Remove tape and protective packaging from all surfaces

of unit.

NOTE: To prevent delay in obtaining warranty coverage,

complete online warranty registration. See the IMPORTANT OWNER INFORMATION section for details.

3. Place the unit in the desired location. Refer to the

OPTIONS ANDACCESSORIES section for wall mount installation.

• Locate the unit in an area where the ambient air temperature is constant and a minimum of 70°F (21°C). Avoid areas that may be subject to active air movements or currents (i.e., near exterior doors, exhaust fans/hoods, air conditioning ducts, etc...).

• Make sure the unit is at the proper counter height in an area convenient for use.

• Make sure the countertop is level and strong enough to support the weight of the unit and the water inside.

NOTE: Unit weight filled with water capacity (12 gallons

[45 liters]) is 180 lbs. (82 kg).

• Make sure all the feet on the bottom of the unit are positioned securely on the countertop.

4. Connect a flexiblewater supply line to the water inlet on the bottom of the unit using 1/4" NPTadapter with flare connection (or by using the accessory 1/4" inlet tubing supplied by Hatco).

NOTE: Water inlet and drain connections must be made with

flexible hose.

NOTE: If required, a ball valve or gate valve, line strainer,

union(s) and vacuum breaker or other anti-siphon device must be supplied by plumber or installer.

Do not over-tighten plumbing connections. Over-tightening may cause leaks.

Incoming water supply must not exceed 140°F (60°C). Water pressure must be at least 35 psi (241 kPa) and not exceed 80 psi (552 kPa).

AWD-12 Installation

5. Tighten connections securely.

6. Turn on water supply and check for leaks.

• A drain fitting is located under the unit for manually draining the dispenser. A male hose connector is included. See MAINTENANCE for draining information.

NOTE: A 3/4" (19 mm) flexible hose may be connected to the

heater drain and run to an open sight drain. The drain should not be connected permanently to the sanitary drain system. Check local plumbing code for proper drain installation.

Form No. AWDM-1016

English

WARNING

CAUTION

POWER ON/OFF (I/O) Switch

WATER TEMPERATURE Display

VOLUME SELECTION Buttons

Manual Dispense Button

OPERATION

General

Use the following procedures to operate an Atmospheric Hot Water Dispenser.

Read all safety messages in the Important Safety Information section before operating this equipment.

Hatco Corporation is not responsible for the actual food product serving temperature. It is the responsibility of the user to ensure that the food product is held and served at a safe temperature.

Startup

NOTE: Make sure the drain valve handle is in the horizontal

BURN HAZARD: Some exterior surfaces on unit will get hot. Use caution when touching these areas.

NOTE: A temperature setting higher than 195°F (91°C) will

Shutdown

(closed) position.

1. Plug unit into a properly grounded electrical receptacle of the correct voltage, size and plug configuration. See the SPECIFICATIONS section for details.

2. Move the POWER ON/OFF (I/O) switch to the ON (I) position.

• The WATER TEMPERATURE display will light up to indicate power is supplied to the unit.

3. The unit is ready to dispense water when the display shows the setpoint water temperature (the factory default setpoint temperature is 195°F [91°C]).

• The WATER TEMPERATURE display will show “E3” while the water begins to fill the tank.

• The WATER TEMPERATURE display will show the current water temperature and a red light will glow in the upper left-hand corner of the digital temperature display when the heating elements are energized.

• The water fills the tank until it is full and the heating elements heat the water until the water temperature reaches the setpoint temperature.

cause nuisance tripping of the high limit switch and is not recommended. If temperature adjustments are required see “Programming The Dispenser.” To reset the high limit switch, see “Resetting The High Temperature Limit Switch.”

1. Move the POWER ON/OFF (I/O) switch to the OFF (O) position.

• The WATER TEMPERATURE display will turn off to indicate power has been shut off to the unit.

Dispensing Hot Water

1. Place the proper water container for holding hot water on the shelf (or below the dispenser) before dispensing.

NOTE: The shelf can be removed to dispense water into larger

containers. To remove the shelf, lift the shelf up and off the mounting screwheads.

2. Push the appropriate button on the electronic temperature controller to fill a container. Dispensing is controlled by the four dispensing buttons on the front of the unit.

• The three VOLUME SELECTION buttons underneath the display dispense at pre-measured quantities of 2QT, 3QT, and 4QT as marked.

• 2QT = 2 quarts (1.9 liters)

• 3QT = 3 quarts (2.8 liters)

• 4QT = 4 quarts (3.8 liters)

• The red button dispenses and stops water manually.

• Press and hold to dispense water manually. Water will continue to flow until the red button is released.

• Press once after pressing one of the programmed dispense buttons to manually stop dispensing.

NOTE: The dispense amounts can be adjusted if required. See

“Programming The Dispenser.”

NOTE: Refer to the OPTIONS AND ACCESSORIES section for

alternate, premeasure dispensing volumes.

Form No. AWDM-1016

Control Panel

OPERATION

WARNING

CAUTION

r V

f B

ard

CAUTION

Programming the Dispenser

ELECTRIC SHOCK HAZARD: Turn OFF power switch, unplug power cord, and allow unit to cool before performing any cleaning, adjustments, or maintenance.

Dipswitch Panel

A dipswitch panel is located on the back of the control board which is behind the front panel graphic overlay. The dip switches have the following functions:

Dipswitch “1” is used to switch between operational mode (RUN) and programming mode (PGM).

Dipswitch “2” is used to change the display from F° to C°. Dipswitch “3” is used to select the type of operation and must

be switched to the AWD position for the dispenser to operate.

Dipswitch “4” is not used (can be in either position).

Changing Temperature Display from F° to C°

1. Turn the POWER ON/OFF (I/O) switch to the OFF (O) position, and unplug the unit from the electrical receptacle.

2. Remove the two screws and slide off the top red panel.

3. Move dipswitch “2” to the C position to change the display from Fahrenheit (F°) to Celsius (C°).

4. Re-install the top red panel.

5. Plug the unit into the proper electrical receptacle and turn the POWER ON/OFF (I/O) switch to the ON (I) position.

Changing Temperature Setpoint

1. Turn the POWER ON/OFF (I/O) switch to the OFF (O) position and unplug the unit from the electrical receptacle.

2. Remove the two screws and slide off the top red panel.

3. Move dipswitch “1” to the PGM position.

4. Place the top red panel on unit.

Never operate unit without cover installed.

5. Plug the unit into the proper electrical receptacle and turn the POWER ON/OFF (I/O) switch to the ON (I) position.

• The display will show (temperature setpoint). This indicates the beginning of the programming sequence.

• Press the red manual dispense button once and the display will show the current temperature setpoint.

6. Use the 2QT and 3QT buttons to adjust the temperature setpoint up or down.

7. When the desired setpoint is shown, press the red manual dispense button to save the change to memory.

NOTE: If no buttons are pressed for a period of 15 seconds,

8. Turn the POWER ON/OFF (I/O) switch to the OFF (O)

9. Remove the top red panel.

10. Move dipswitch “1” back to the RUN position.

11. Re-install the top red panel using the two screws.

12. Plug the unit into the proper electrical receptacle and turn

the program will automatically jump to the end of the programming sequence, and the display will read END.

position and unplug the unit from the electrical receptacle.

the POWER ON/OFF (I/O) switch to the ON (I) position.

English

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“3” = 4QT VOLUME SELECTION Button

7. Press the red manual dispense button again to display the current dispense time for the specific VOLUME SELECTION Button.

8. Use the 2QT and 3QT buttons to adjust the dispense time up or down (displayed in seconds by half-second intervals).

9. When the desired dispense time is shown, press the red manual dispense button to save the change to memory and to scroll to the next desired VOLUME SELECTION button.

10. Repeat step 6 with the next desired dispense button or turn the POWER ON/OFF (I/O) switch to the OFF (O) position, and unplug the unit from the electrical receptacle.

11. Remove the top red panel.

12. Move dipswitch “1” back to the RUN position.

13. Re-install the top red panel using the two screws.

14. Plug the unit into the proper electrical receptacle and turn the POWER ON/OFF (I/O) switch to the O

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Form No. AWDM-1016

English

WARNING

NOTICE

WARNING

NOTICE

WARNING

Drain Valve

Handle

(open position)

Drain Fitting

MAINTENANCE

General

Hatco Atmospheric Hot Water Dispensers are designed for maximum durability and performance with minimum maintenance.

ELECTRIC SHOCK HAZARD:

• Turn OFF power switch, unplug power cord, and allow unit to cool before performing any cleaning, adjustments, or maintenance.

• DO NOT submerge or saturate with water. Unit is not waterproof. Do not operate if unit has been submerged or saturated with water.

• Do not steam clean or use excessive water on unit.

• This unit is not “jet-proof” construction. Do not use jetclean spray to clean this unit.

This unit has no “user-serviceable” parts. If service is required on this unit, contact an Authorized Hatco Service Agent or contact the Hatco Service Department at 800-558-0607 or 414-671-6350.

Draining the Dispenser

It is recommended that the dispenser be drained prior to moving the unit and after performing the “Deliming the Dispenser” procedure.

ELECTRIC SHOCK HAZARD: Turn OFF power switch, unplug power cord, and allow unit to cool before performing any cleaning, adjustments, or maintenance.

1. Shut off the water supply to the unit.

2. Turn the POWER ON/OFF (I/O) switch to the OFF (O) position and unplug the unit from the electrical receptacle.

3. Connect drain hose to the drain fitting on underside of unit.

4. Place open end of drain hose in a bucket or open site drain in a manner acceptable to local plumbing codes.

5. Open the drain valve by placing the drain handle in the vertical position.

6. After all of the water is drained, place the valve handle in the horizontal position to close the valve.

7. Remove the drain hose from the drain fitting.

Clean unit daily to avoid malfunctions and maintain sanitary operation.

Daily Cleaning

To preserve the finish of the Atmospheric Hot Water Dispenser, it is recommended that the exterior surfaces be wiped daily with a clean, damp cloth.

Submerging or saturating unit with water will damage the unit and void unit warranty.

Use non-abrasive cleaners and cloths only. Abrasive cleaners and cloths could scratch finish of unit, marring its appearance and making it susceptible to soil accumulation.

1. Wipe the exterior surface of the unit with a damp cloth.

2. Stubborn stains may be removed with a good stainless steel cleaner or a non-abrasive cleaner. Hard to reach areas should be cleaned with a small brush and mild soap.

3. Wipe dry the entire unit using a dry, non-abrasive cloth.

Draining the Water

Form No. AWDM-1016

MAINTENANCE

Fill Cup

English

Deliming the Dispenser

Use the following procedure for periodic cleaning and deliming of the water tank.

NOTE: The lime and mineral content of the supply water will

determine how often this procedure must be performed.

NOTE: Perform this procedure when the dispenser will not be

used for a period of time, such as the end of the day.

1. Make sure the water tank is full.

2. Turn the POWER ON/OFF (I/O) switch to the OFF (O) position.

3. Drain 3 gallons (11 liters) of water out of the 12 gallon (45 liter) water tank (see “Draining the Dispenser” in this section).

4. Fill the water tank with 3 gallons (11 liters) of off-the-shelf white vinegar (5% vinegar solution) by pouring it slowly into the fill cup on the side of the unit.

5. Turn the POWER ON/OFF (I/O) switch to the ON (I) position, and allow the unit to run at the operating temperature for 1-2 hours.

• While the unit is at operating temperature, dispense 1/2 quart (0.4 liters) of the deliming solution through the dispensing port. This exposes the port to the deliming solution. (Safely discard dispensed solution.)

6. Turn the POWER ON/OFF (I/O) switch to the OFF (O) position and allow the deliming solution to remain in the unit for a minimum of 4 hours (preferably, over night.)

7. Drain the solution from the tank (see “Draining the Dispenser” in this section).

8. Refill the unit with water by following the “Startup” procedure in the OPERATION section.

• Dispense water out of the unit until the discharge is clear and all deliming solution has been removed and rinsed.

NOTE: Steps 7 and 8 may need to be repeated until all de-

liming solution has been removed.

Deliming the Dispenser

Form No. AWDM-1016

+ 22 hidden pages

Hatco AWD-12 Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual