Hobart AM14 ML-110976 manual

FORM 34554 (Dec. 2000) 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[...]

– 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 [...]

– 3 – TABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 UNPACKING . . . . . . . . . . . . . . . .[...]

– 4 – Installation, Operation, and Care of MODEL AM14 & AM14C DISHW ASHERS SA VE THESE INSTRUCTIONS GENERAL The AM14 dishwashers are semi-automatic rack-type machines. On model AM14, the doors open on opposite sides of the machine allowing the rack to move straight through. Model AM14C can be located in a corner; adjacent doors open so the [...]

– 5 – Fig. 2 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 mac[...]

– 6 – WATER REQUIREMENTS Proper water quality can improve ware washing performance by reducing spotting, lowering chemical supply costs, enhancing effectiveness of labor, 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 equipmen[...]

– 7 – With Electric Booster Water Heater The water supply line is connected to the flow control ahead of the line strainer below the booster with 3 / 4 " pipe. A manual shut off valve and pipe union are required. The water supply should have a minimum temperature of 110 ° F, and a flowing pressure of 15 – 25 psig at the pressure gauge o[...]

– 8 – The dishwasher must be installed so that the flow of combustion and ventilation air will not be obstructed. Adequate clearances for air openings into the combustion chamber must be provided. Make sure there is an adequate supply of make-up air in the room to allow for combustion of the gas at the burner(s). Keep the appliance area free an[...]

– 9 – 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. 6): 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 = Distanc[...]

– 10 – 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 ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH TO INDICATE THAT YOU ARE WORKING ON THE CIRCUIT. Dishwasher Refer to the [...]

– 11 – ELECTRICAL DATA Model Volts / Hz / Ph Tank Heat Minimum Circuit Ampacity Maximum Protective Device AMPS Dishwasher ONLY Optional 13 KW Electric Booster ONLY AM14 AM14C 208 - 240 / 60 / 1 Electric 50 Gas 15 208 / 60 / 1 Electric 80 240 / 60 / 1 Electric 80 208 - 240 / 60 / 3 Electric 30 Gas 15 208 / 60 / 3 Electric 50 240 / 60 / 3 Electri[...]

– 12 – 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 pres[...]

– 13 – 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 Y[...]

– 14 – OPERA TION 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). Fig. 11 An automatic detergent dispenser is recommended. Closely follow supplier's instructions. If no automatic dispenser is used, scatter the [...]

– 15 – 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. 13 Stack 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. 1[...]

– 16 – CLEANING T he machine m ust b e thoroughly cleaned at the end of each working shift or at least daily. N ever use steel wool to clean warewasher surfaces. Use only products formulated to be safe on stainless steel. Turn off the power switch. Open the machine doors. Clean off the dish tables into the dishwasher. Drain the machine by pulli[...]

– 17 – DOs AND DON'Ts FOR YOUR NEW HOBART WAREWASHER DO assure proper water hardness (4 – 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 doors open). DO closely follow you[...]

– 18 – MAINTENANCE WARNING : DISCONNECT ELECTRICAL POWER SUPPLY (BOTH DISHWASHER AND BOOSTER IF APPLICABLE) AND PLACE A TAG(S) AT THE DISCONNECT SWITCH(ES) TO INDICATE THE CIRCUIT(S) ARE BEING WORKED ON BEFORE BEGINNING ANY MAINTENANCE PROCEDURE. Wash Arms Upper and lower wash and rinse arms (Figs. 14, 15) should turn freely and continue turnin[...]

– 19 – TROUBLESHOOTING Manual Reset Button on Pump Motors The motor is equipped with a gray manual reset button (Fig. 16) near the end bell of the motor opposite of the motor junction box. If the pump motor becomes overheated, the thermal overload protector will cause the motor to not operate. If this occurs, press the power switch O FF and all[...]

– 20 – SYMPTOM POSSIBLE CAUSE Inadequate rinse or rinse water 1. Dirty line strainer causing reduced water flow. Turn off water supply, temperature too low. remove strainer cap, withdraw and clean screen. Reassemble. 2. Low supply line pressure. 3. Excessive mineral deposits throughout wash and rinse system. Deliming may be necessary. 4. Incomi[...]