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Hobart AM15T ML-130039 manual

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  • Page 1

    AM SELECT DISHW ASHERS MODELS AM15 ML-130038 AM15F ML-130045 AM15T ML-130039 701 S. RIDGE AVENUE TROY, OHIO 45374-0001 937 332-3000 www.hobartcorp.com FORM 35320 Rev. B (Feb. 2005)[...]

  • Page 2

    – 2 – POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE SMELL OF GAS IS DETECTED. THIS INFORMATION CAN BE OBTAINED FROM THE LOCAL GAS SUPPLIER. IMPORT ANT IN THE EVENT A GAS ODOR IS DETECTED, SHUT DOWN UNIT(S) AT MAIN SHUTOFF VALVE AND CONTACT THE LOCAL GAS COMPANY OR GAS SUPPLIER FOR SERVICE. FOR YOUR SAFETY DO NOT [...]

  • Page 3

    – 3 – TABLE OF CONTENTS GENERAL 4 INSTALLATION 5 UNPACKING 5 INSTALLATION CODES 5 LOCATION 5 CORNER INSTALLATION 6 WATER REQUIREMENTS 7 PLUMBING CONNECTIONS 8 DRAIN CONNECTION 8 WATER CONNECTION 8 Without Electric Booster Water Heater 8 With Electric Booster Water Heater 8 GAS TANK HEAT (When Specified) 9 VENTING REQUIREMENTS — WITH GAS TANK [...]

  • Page 4

    – 4 – Installation, Operation, and Care of AM SELECT DISHW ASHERS SA VE THESE INSTRUCTIONS GENERAL Models AM15 and AM15T dishwashers can be configured for straight through or corner operation. Model AM15F is configured for front loading. AM15 and AM15T dishwashers are shipped from the factory in straight-through configuration. Straight-through [...]

  • Page 5

    – 5 – INST ALLA TION 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 da[...]

  • Page 6

    – 6 – CORNER INSTALLATION Before placing the dishwasher in its operating location, check machine configuration. If the machine is being installed in a corner (Figs. 4, 5), clearances of 20 inches out from the dishwasher under the left-hand tabling by 27 inches above the finished floor and 15 inches out from the dishwasher at the right side by 2[...]

  • Page 7

    – 7 – WATER REQUIREMENTS Proper water quality can improve warewashing performance by reducing spotting, lowering chemical supply costs, improving productivity and extending equipment life. Local water conditions vary from one location to another. The recommended proper water treatment for effective and efficient use of this equipment will also [...]

  • Page 8

    – 8 – PLUMBING CONNECTIONS WARNING : PLUMBING CONNECTIONS MUST COMPLY WITH APPLICABLE SANITARY, SAFETY AND PLUMBING CODES. DRAIN CONNECTION The drain connection is a 1 1 / 2 " externally threaded pipe connected straight down from the bottom of the wash tank (Fig. 10). The connection can be made in any direction by using the proper fitting [...]

  • Page 9

    – 9 – GAS TANK HEAT (When Specified) Check the gas data plate attached to the dishwasher or the tag attached to the incoming gas piping for the type of gas to be used. The burner is not adjustable. The maximum flowing inlet gas pressure must not exceed the Maximum value in the table. If line pressure exceeds the Maximum value in the table, an a[...]

  • Page 10

    – 10 – VENTING REQUIREMENTS — WITH GAS TANK HEAT Hobart model AM15, AM15F or AM15T dishwashers equipped for gas tank heat are not provided with a flue collar and are not intended to have the flue directly connected to a ventilation system. However, the products of combustion must be vented to the outside air. The most common method of venting[...]

  • Page 11

    – 11 – RATE OF EXHAUST FLOW CALCULATIONS Based on the 1996 International Mechanical Code. The Rate of air flow required for a vent hood is calculated using the following definitions (Fig. 14): Q = Rate of Air Flow in Cubic Feet Per Minute or [ CFM ] Required for the Hood. A = Area of Hood Opening in Feet 2 = (L x W) D = Clearance Height = Dista[...]

  • Page 12

    – 12 – ELECTRICAL CONNECTIONS WARNING : ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE AND/OR OTHER LOCAL ELECTRICAL CODES. WARNING : DISCONNECT THE ELECTRICAL POWER T O THE MACHINE (BOTH DISHWASHER AND BOOSTER IF APPLICABLE) AND FOLLOW LOCKOUT / TAGOUT PROCEDURES. Refer to the wiri[...]

  • Page 13

    – 13 – Dishwasher With Electric Booster (Separately Connected) Single phase machines with an electric booster require two separate connections, one for the booster and the other for the dishwasher (including motor, controls and tank heat). For single-phase machines, all power supply connections are made to terminal blocks (Fig. 16). The single [...]

  • Page 14

    – 14 – DETERGENT, RINSE AID, 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 0.74 gallons of rinse water per rack at a flow rate of 4.4 gallons per minute at 20 psig flowing pressure (equivalent to a max[...]

  • Page 15

    – 15 – 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 THE ELECTRICAL POWER T O THE MACHINE (BOTH DISHWASHER AND BOOSTER IF APPLICABLE) AND FOLLOW [...]

  • Page 16

    – 16 – SETUP (All Models) Sanitizing Mode • With the machine OFF, press the ON key. • Immediately press and hold the OFF key. The display initializes until 88 displays. Next, SET X °F °C displays. X can be H, C or P: H = Hot Water Sanitizing, Internal Booster. C = Chemical Sanitizing, No Booster. P = Hot Water Sanitizing, External Booster[...]

  • Page 17

    – 17 – OPERA TION PREPARATION The overflow tube must be in its proper location below the strainer pan (Fig. 23). Place the strainer pan and the strainer bucket in their proper positions (Fig. 24 ). Fig. 23 An automatic detergent dispenser is recommended. Closely follow supplier's instructions. Close the door; this will automatically close [...]

  • Page 18

    – 18 – DISHWASHING Scrape the dishes to remove large particles of food and debris. Never use steel wool on ware to be loaded into the dishmachine. Fig. 26 Arrange the dishes in a rack. Do not stack dishes one on top of another, as water must have free access to all sides of every dish. Stand plates and dishes up edgewise in a peg-type rack (Fig[...]

  • Page 19

    – 19 – CLEANING T he machine must b e thoroughly cleaned at the end of each working shift or at least daily. Never use steel wool to clean warewasher surfaces. Use only products formulated to be safe on stainless steel. 1. Push the OFF button. 2 . Open the machine door. 3 . Clean off the dish tables into the dishwasher. 4 . Drain the machine by[...]

  • Page 20

    – 20 – DOs AND DON'Ts FOR YOUR NEW HOBART WAREWASHER DO assure proper water hardness (4 to 6 grains per gallon is recommended). DO pre-scrap dishes thoroughly. DO use only detergents recommended by your chemical professional. DO at the end of the day, thoroughly cleanse the machine, rinse and dry (leave door open). DO closely follow your c[...]

  • Page 21

    – 21 – MAINTENANCE WARNING : DISCONNECT THE ELECTRICAL POWER T O THE MACHINE (BOTH DISHWASHER AND BOOSTER IF APPLICABLE) AND FOLLOW LOCKOUT / TAGOUT PROCEDURES. Wash Arms Upper and lower wash and rinse arms (Figs. 28, 29) should turn freely and continue turning for a few seconds after being whirled by hand. To check, DISCONNECT ELECTRICAL POWER[...]

  • Page 22

    – 22 – TROUBLESHOOTING Manual Reset Button on Pump Motor If the pump motor becomes overheated, the thermal overload protector will cause the motor to not operate. If this occurs, contact Service. To avoid a service call, check symptoms and related possible causes. If machine still does not operate properly, contact Service. SYMPTOM POSSIBLE CAU[...]

  • Page 23

    – 23 – SYMPTOM POSSIBLE CAUSE Inadequate rinse or rinse 1. Dirty line strainer causing reduced water flow. Turn off water supply, remove water temperature too low. strainer cap, withdraw and clean screen. Reassemble. Possible EE display. 2. Low supply line pressure. 3. Excessive mineral deposits throughout wash and rinse system. Deliming may be[...]

  • Page 24

    – 24 – 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 replaced, have it serviced by qualified Hobart-authorized service personnel. Long-term service contracts are available on this and other Hobart products. Call 1-888-4HOBART for Hobart Serv[...]