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Hobart AM14 ML-110976 Manual

Hobart dishwashers am14 am14c am14 ml-110976 am14c ml-110977 instruction.

 
MODEL AM14 & AM14C DISHWASHERS
MODELS
AM14
AM14C
ML-110976
ML-110977
701 S. RIDGE AVENUE
TROY, OHIO 45374-0001
937 332-3000
www.hobartcorp.com
FORM 34554 (Dec. 2000)

Summary of Contents

  • Page 1

    MODEL AM14 & AM14C DISHWASHERS MODELS AM14 ML-110976 AM14C ML-110977 701 S. RIDGE AVENUE TROY, OHIO 45374-0001 937 332-3000 www.hobartcorp.com FORM 34554 (Dec. 2000)

  • Page 2

    CONTACT THE LOCAL GAS COMPANY OR GAS SUPPLIER FOR SERVICE. DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. © HOBART CORPORATION 1982, 1995 IMPORTANT FOR YOUR SAFETY – 2 –...

  • Page 3: Table Of Contents

    Vent Fan Control ........... 11 Hobart Infrared Booster Gas Water Heater ......11 DETERGENT, RINSE AID, OR SANITIZER DISPENSERS –...

  • Page 4: General

    Model AM14 DO NOT attempt to operate this dishwasher in the chemical sanitizing mode without a properly installed, NSF-listed, chemical sanitizer feeder (not supplied with machine). Contact an authorized detergent representative for information about a chemical sanitizer feeder.

  • Page 5: Installation, Unpacking, Installation Codes, Location

    INSTALLATION UNPACKING Immediately after unpacking the dishwasher, check for possible shipping damage. If this machine is found to be damaged, save the packaging material and contact the carrier within 15 days of delivery. Prior to installation, test the electrical service to make sure it agrees with the specifications on the machine data plate which includes the optional electric booster, if equipped.

  • Page 6: Water Requirements, Plumbing Connections, Drain Connection, Water Connection, Without Electric Or Gas Booster Water Heater

    Chemical Sanitizing (Normal Duty) Chemical Sanitizing (Light Duty) Proper dishwasher operation requires a flowing pressure of 20 ± 5 psig at the dishwasher. If the flowing pressure exceeds 25 psig, a pressure reducing valve (not supplied) must be installed in the water supply line.

  • Page 7: With Electric Booster Water Heater, Gas Tank Heat

    Incoming water temperature below 110°F may require the wash cycle time to be extended from 40 to 60 seconds. To have the cycle time adjusted, contact your local authorized Hobart Service Office. When the fill / final rinse valve is on, water from the booster tank enters the dishwasher through the final rinse arms.

  • Page 8: Venting Requirements — With Gas Tank Heat

    VENTING REQUIREMENTS — WITH GAS TANK HEAT The Hobart AM14 / AM14C dishwasher equipped for gas tank heat is not provided with a flue collar and is not intended to have the flue directly connected to a ventilation system. However, the products of combustion must be vented to the outside air.

  • Page 9: Rate Of Exhaust Flow Calculations

    [ CFM ] Required for the Hood. A = Area of Hood Opening in Feet D = Clearance Height = Distance in Feet from lower lip of hood to top of dishwasher chamber. P = Perimeter of Hood that is Open.

  • Page 10: Electrical Connections, Dishwasher, Check Rotation (three Phase Machines Only), Electric Booster Water Heater

    A fused disconnect switch or circuit breaker (not supplied) must be installed in the electrical service line supplying this dishwasher and should meet the requirements of your local electrical code. All power supply connections are made at the terminal block 1TB in the control box. The machine must be grounded according to electrical code(s);...

  • Page 11: Vent Fan Control, Hobart Infrared Booster Gas Water Heater

    1.5 Amps. The vent fan control relay provides switch contacts only and does not provide power to the vent fan motor. When the dishwasher is connected to the vent fan, the vent fan is switched on when the dishwasher is on, and off when the dishwasher is off.

  • Page 12: Detergent, Rinse Aid, Or Sanitizer Dispensers – Tubing Installation, Detergent Dispenser, Rinse Aid Dispenser

    DETERGENT, RINSE AID, OR SANITIZER DISPENSERS — Tubing Installation Detergent, rinse aid, and / or sanitizer dispensers (not provided by Hobart) must have all connections sealed against leakage. The dishwasher uses 1.2 gallons per rack at a flow rate of 8 gallons per minute at 20 psig flowing pressure (equivalent to a maximum head pressure of 46 feet of water).

  • Page 13: Optional Equipment Connections – Detergent, Rinse Aid, Sanitizer Dispenser, Detergent Dispenser

    OPTIONAL EQUIPMENT CONNECTIONS — Detergent, Rinse Aid, Sanitizer Dispensers WARNING: ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE AND/OR OTHER LOCAL ELECTRICAL CODES. WARNING: DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH TO INDICATE THAT YOU ARE WORKING ON THE CIRCUIT.

  • Page 14: Operation, Preparation

    PREPARATION Place the pump strainer (when equipped), overflow tube, overflow cover, end cover, slanted strainer, and the strainer bucket in their respective positions, (Fig. 11). An automatic detergent dispenser is recommended. Closely follow supplier's instructions. If no automatic dispenser is used, scatter the initial charge of detergent on the slanted strainer. Replenish as needed.

  • Page 15: Dishwashing

    RINSE position for the desired rinse time (minimum 18 seconds recommended). INSE After filling a rack, open the appropriate doors, slide the rack into the dishwasher, and close the doors. If the cycle switch is set on AUTOMATIC, the wash cycle will begin automatically.

  • Page 16: Cleaning

    Remove the pump strainer (if equipped) and clean in a sink. Thoroughly cleanse and flush the dishwasher interior. Remove remaining soil with a soft cloth or brush and mild cleanser. Rinse again. Do not allow food soil to accumulate on the tank bottom.

  • Page 17: Dos And Don'ts For Your New Hobart Warewasher

    DO NOT use steel wool to clean ware or warewasher surface. DO NOT allow foreign objects to enter the unit, especially metallic contaminants. NOTE: Failure to follow use, care, and maintenance instructions may void your Hobart warewasher warranty. – 17 –...

  • Page 18: Maintenance, Wash Arms, Motor(s), Gas Flue

    Upper and lower wash and rinse arms (Figs. 14, 15) should turn freely and continue turning for a few seconds after being whirled by hand. To check, DISCONNECT ELECTRICAL POWER SUPPLY (BOTH DISHWASHER AND BOOSTER IF APPLICABLE), rotate arms, and remove any obstructions causing improper operation.

  • Page 19: Troubleshooting, Manual Reset Button On Pump Motors

    2. Worn or torn drain "O" Ring allowing wash water to drain. 3. Loss of water pressure due to pump obstruction. DISCONNECT ELECTRICAL POWER SUPPLY (BOTH DISHWASHER AND BOOSTER IF APPLICABLE) and drain tank. Check for any obstruction at the pump intake.

  • Page 20: Service

    Contact your local Hobart-authorized service office for any repairs or adjustments needed on this equipment. If a gas orifice fitting is to be adjusted or replaced, have it serviced by qualified Hobart- authorized service personnel. Long-term service contracts are available on this and other Hobart products.

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