Cadillac 2010 Automobile User Manual
Contents
1. RINSE ARM WASH ARM RINSE ARM RINSE NOZZLE HAND KNOB UNSCREW TO REMOVE WASH ARM WASH RINSE ARMS Fig 11 Fig 12 15 DOs AND DON Ts FOR VOUR NEW WAREWASHER DO assure proper water hardness 4 6 grains per gallon is recommended DO pre scrap dishes thoroughiv DO use oniv detergents recommended bv vour chemical professional DO at the end of the dav thoroughiv cleanse the machine rinse and drv leave doors open DO closelv follow vour chemical professional s prescribed deliming schedule DO use oniv products formulated to be safe on stainless steel DO NOT over soften water recommended water hardness is no less than 4 grains per gallon DO NOT use detergents formulated for residential dishwashers DO NOT allow food soil to accumulate on the tank bottom DO NOT exceed chemical manufacturer s recommended concentrations for detergent sanitizer rinse aid or lime scale remover DO NOT use steel wool to clean ware or warewasher surface DO allow foreign objects to enter the unit especially metallic contaminants NOTE Failure to follow use care and maintenance instructions mav void vour Hobart warewasher warrantv 16 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 ARMS2. MODEL AM14 amp 14 DISHWASHERS MODELS AM14 ML 32614 AM14C ML 32615 CORPORATION 701 S RIDGE AVENUE TROV OHIO 45374 0001 937 332 3000 www hobartcorp com FORM 34123 Rev C Oct 2000 POST IN A PROMINENT LOCATION THE INSTRUCTIONS FOLLOWED IN THE EVENT THE SMELL OF GAS IS DETECTED THIS INFORMATION CAN BE OBTAINED FROM THE LOCAL GAS SUPPLIER IMPORTANT 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 STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE HOBART CORPORATION 1982 1995 2 TABLE OF 5 GENERAL tin jg ma ul Dan ai m aya D aha h at pane nh a 4 INSTALLATION is si ae e I A a 5 UNPACKING ubus A apupa oli aw u bl 5 INSTALLATION GODES idi aa bie Hee hh AD le ala A 5 LOCATION S ssir ea ta ba aa A TA Pa h Ma nata m chesney tae 5 WATER REQUIREMENTS L kuyu sac kk 6 PLUMBING CONNECTIONS 6 DRAIN CONNECTION tirrenia 0 000000 cece eee ee eee eee ee eee 6 WATER CONNECTION deC anenun r era ee a pas wl S S 6 Without Electric or Gas Booster Water Heater 6 With Electric Booster Wate
3. Upper and lower wash and rinse arms Figs 11 12 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 If the slanted strainer or strainer bucket is not properly in place obstructions such as food particles or bones may clog the wash arm nozzles The wash arms are easily removed for cleaning Removing Wash Rinse Arms 14 AM14C To remove the lower wash arm first lift off the rinse arm then using a dowel or end of punch unscrew the rinse arm bearing pin Fig 11 and lift off the lower wash arm It is not necessary to remove the spacer located on the lower wash arm shaft The upper wash and rinse arms are removed by unscrewing the hand knob Fig 12 and lowering both arms together Be careful not to drop these arms MOTOR S The wash pump motor and the blower motor used on gas heat machines are equipped with permanently lubricated bearings and require no lubrication maintenance GAS FLUE Machines equipped for gas heat only When cool check the flue opening every three months for obstructions TROUBLESHOOTING Manual Reset Button on Pump Motors When Equipped In case the pump becomes overheated the thermal overload will cause the motor to not operate Motors equipped with Automatic Reset will become operational after the
4. 17 WASP FARMS ee a TS Daqt pa sr a Meee tee 17 MOTORS aed by Gee p ADS BI ae sae hl ew et iy Ba ee abe ots 17 GAS uy aku a u Ke 17 TROUBLESHOOTING wa CR ee a eee tein Ses 17 MANUAL RESET BUTTON ON PUMP 17 SERVICE eine ay ce ad teal serfs N E he 20 Installation Operation and Care of MODEL AM14 8 AM14C DISHWASHERS SAVE THESE INSTRUCTIONS GENERAL The AM14 dishwashers are semi automatic rack type machines On model AM14 the doors open 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 rack moves in and out ata 90 angle The AM14 and AM14C dishwashers are designed to operate in one of two modes Hot water sanitizing mode designated by the letter H at the end of the machine serial number or a chemical sanitizing mode designated by the letter L at the end of the machine serial number The serial number can be found on the machine data plate Model AM14 OA4 Pressure Gauge Model AM14C Model AM14 with Booster Heater Line Strainer Make Fill Connection Here PL 40827 1 PL 41176 1 Fig 1 DO NOT attempt to operat
5. Electric Booster CONTACTOR GROUNDING LUG A fused disconnect switch or circuit breaker if not supplied must be installed in the electrical service line supplving this booster and should meet the DATA PLATE requirements of vour local electrical code If the booster electrical connections are separate they are made to the contactor in the booster If grounding is not provided bv the conduit used WATER SUPPLY LINE connect the ground lead to the grounding lug provided Fig 6 Fig 6 OPTIONAL EQUIPMENT CONTROL CONNECTIONS NOTE The plugged holes in the side of the control box are for detergent and chloritizer rinse feeder connections only If detergent and chloritizer rinse feeder electrical connections are required remove the plug buttons s and connect through the hole s provided Detergent Dispenser Maximum rating for detergent dispenser connected to DPS1 and DPS2 is 1 5 Amps at line voltage Rinse Aid Dispenser Maximum rating for rinse aid dispenser connected to RPS1 and RPS2 is 1 5 Amps at line voltage Vent Fan Control The maximum rating for a vent fan control relay connected to terminals 4 and 6 is either 30 Amps at 120 Volts 1 5 HP or 25 Amps at 277 Volts 3 0 HP The vent fan control relay provides switch contacts only and does not provide the power supply for 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 th
6. intake Excessively hard water Incorrect detergent for water type Incorrect rinse additive for water type Incorrect concentration of detergent rinse additive and or sanitizer 18 SVMPTOM Inadequate rinse Leaking valve except solenoid type No wash tank heat No or slow fill POSSIBLE CAUSE Dirty line strainer causing reduced water flow Turn off water supply remove strainer cap withdraw and clean screen Reassemble Low supply line pressure Excessive mineral deposits throughout wash and rinse system Deliming may be necessary Incoming water temperature to booster if applicable below 120 F Extend wash cycle from 40 to 60 seconds Foreign material preventing proper valve operation NOTE A critical period is soon after installation when pipe compound or metal shavings may lodge at the valve seat Shut off supply line Unscrew and lift bonnet from valve body Clean valve and reassemble If asolenoid valve is malfunctioning it is recommended that you contact Service The machine is equipped with a low water safety device which shuts off heat if the water level drops Check for proper water level If the water level is too low the overflow tube might be out of position Circuit breaker to machine tripped Steam valve not open completely Gas line closed If a failure occurs due to the gas heat control board or gas pressure the reset button located on the side of the gas burner control
7. NOT use Tellon tape on gas line pipe threads For gas line pipe connections use Loctite 565 Hobart part 546292 or a flexible sealant suitable for use with Natural and Propane Gases Py Others The appliance and its gas connections must be leak tested before placing the I appliance in operation Use soapy water for leak test DO NOT use open flame The installation must conform with local codes or in the absence of J Sediment Trap local codes with the National Fuel Gas Code ANSI Z223 1 latest edition Copies be obtained from American Gas Association Inc 1515 Wilson Bivd Arlington VA 22209 Fig 3 The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 2 psig 3 45kPa The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during anv pressure testing of the gas supplv piping svstem at test pressures equal to or less than psig 3 45kPa Dissipate test pressure from the gas supply line before re connecting the appliance and its manual shutoff valve to the gas supply line Caution Failure to follow this procedure may damage the gas valve 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 Mak
8. atures shown are minimum recommended temperature is 140 F 60 C 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 CAUTION The water pressure regulator must have a relief by pass Failure to use the proper type of pressure regulator may result in damage to the unit A pressure gauge Fig 1 is provided for verification of proper water pressure Present models monitor the water pressure when the solenoid valve is open and water is flowing On earlier models where the pressure gauge was connected into a petcock the petcock MUST always remain closed except when making an instantaneous check of flowing pressure 6 With Electric Booster Water Heater The water supply line is connected to the booster Fig 6 with s pipe The water supply should have a minimum temperature of 120 140 anda flowing pressure of 15 25 psig at the pressure gauge tee beside the solenoid valve If the flowing pressure exceeds 25 psig a pressure reducing valve not supplied must be installed in the water supply line CAUTION The water pressure regulator must have a relief by pass Failure to use the proper type of pressure regulator may result in damage to the unit Incoming water temperature below 120 F may require the wash cycle time to be extended from 40 to 60 seconds To have the
9. box will pop out This completely shuts off the gas heat system To reset the system push the button in If the system does not reset contact Service Dirty line strainer causing reduced water flow Turn off water supply remove strainer cap withdraw and clean screen Reassemble 19 SERVICE Contact vour local Hobart authorized service office for anv 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 FORM 34123 Rev C Oct 2000 20 PRINTED IN 5
10. breaker box on top of the machine A ground lead should be connected to the grounding lug if grounding is not provided by the conduit used Check Rotation Three Phase Machines Only Three phase motors must rotate in the direction of the arrow on the pump housing In order to check rotation the motor fan cover must be removed Close the machine doors and press the power switch to ON When the machine is completely filled place the cycle switch located on the side of the control box on MANUAL and place the WASH RINSE switch located under the cycle switch on WASH The motor fan must rotate in the direction of the arrow on the pump housing If the rotation is incorrect DISCONNECT ELECTRICAL POWER SUPPLY and interchange any two of the incoming power supply leads Reconnect the power supply and verify correct rotation Replace the motor fan cover 10 Electric Booster Water Heater Option NOTE Electric Booster electrical connection will be separate from the dishwasher electrical connection unless single point electrical connection is supplied If circuit breaker option is provided the electric supplv or supplies are connected to the circuit breaker box on top of the dishwasher Refer to Electrical Data page 12 Before making electrical connection test the electrical service to assure that it agrees with the specifications on the Electric Booster data plate Fig 6 Also refer to the wiring diagram attached inside the cover of the
11. ck and close the doors If you want to add a dish after the wash cycle has Rinse Temperature Button started turn off the power switch and wait 10 Adjustment Screw seconds to allow wash arm coastdown and avoid water splashing before opening the doors Fig 10 14 CLEANING The machine must be thoroughiv cleaned at the end of each working shift or at least dailv Never use steel wool to clean warewasher surfaces Use products formulated to be safe on stainless steel Turn off the power switch If the machine has steam heat close the manuallv operated steam ball valve Open the machine doors Clean off the dish tables into the dishwasher Drain the machine pulling the drain lever Fig 7 Remove and empty the slanted strainer and strainer bucket Wash and rinse them thoroughly Raise the overflow cover and remove the overflow tube Wash and rinse the overflow tube inside and out Remove the pump strainer if equipped and clean in a sink Thoroughiv 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 Replace all removed parts Leave the machine doors open to allow the interior to drv and air out Make sure that the wash and rinse arms rotate freelv and are free of anv obstructions Check rinse nozzles Figs 11 12 to make sure thev are free of anv lime and solids RINSE NOZZLE
12. cycle time adjusted contact your local authorized Hobart Service Office Pressure temperature relief valve piping must be extended to an open drain receiver in the floor Refer to the tag attached to the pressure temperature relief valve drain piping for additional installation instructions ifi GAS PRESSURE SPECIFICATION GAS TANKHEAT When LOWING GAS PRESSURE NOT STATIC Check the gas data plate attached to the Inches W C Water Column dishwasher orthe tag attached to the incoming Type gas piping for the type of gas to be used of JBTU HRjincoming Line Pressure manifold Connect the gas supply to the 2 NPT gas Gas Minimum Maximum Pressure inlet at the manual gas valve The burner is not adjustable The maximum flowing inlet Natural 20 000 4 5 10 5 3 2 gas pressure must not exceed the Maximum AM14C value in the table If line pressure exceeds Propane 20 000 9 0 13 0 9 0 the Maximum value in the table an additional regulator valve not supplied must be installed in the supply line Static inlet line pressure should not exceed 14 W C The minimum value is for purpose of input adjustment The gas valve Fig 3 is provided with a pressure tap to measure the gas pressure downstream whichis also the manifold pressure Gas supply piping must have a sediment trap supplied by others installed ahead of the dishwasher s gas control Fig 3 NOTE DO
13. e control box readout Fig 8 NOTE If the fill cycle did not begin automatically make sure that the Cycle Switcu Fig 8 is on AUTOMATIC and the WasH Rinse switch Fig 8 is OFF When the fill cycle has completed the readout will display the wash temperature During the rinse cycle the rinse temperature will be displayed Cycle Switch Control Box Readout CYCLE SWITCH CONTROL BOX READOUT a J j WS Power Switch Wash Rinse Switch lt POWER SWITCH WASH RINSE SWITCH PL 40467 1 PL 41177 1 Fig 8 548 DISHWASHING Scrape the dishes to remove large particles of food and debris Never use steel wool on ware to be loaded into the dishmachine 4 5 Stack the dishes rack Do stack dishes on top of another as water must have free access to all sides of everv dish Stand plates and dishes up edgewise in a peg tvpe rack Fig 9 Cups glasses and bowls should be inverted in an open tvpe or compartment tvpe rack Fig 9 Silverware and other small pieces mav be scattered looselv over the bottom of a flat bottom rack Fig 9 DO NOT allow foreign objects to enter the unit especiallv metallic contaminants The dishwasher can be operated automaticallv or manuallv bv setting the cvcle switch in the desired position When the Cyce Switcu Fig 8 is set AUTOMATIC the wash and rinse cycles begin automatically The wash cvcle
14. e dishwasher is off Hobart Infrared Booster Gas Water Heater The maximum rating for connecting a Hobart Model IB57 Dishwasher Activated infrared gas booster water heater to BSTR1 and BSTR2 is 0 5 Amp at 24 Volts If a Stand Alone Booster Heater is used no electrical connection to the dishwasher is allowed Refer to the Infrared Booster Gas Water Heater Manual for additional installation details apts ELECTRICAL DATA Minimum Circuit Ampacitv Maximum Protective Device AMPS Dishwasher with Model Volts Hz Ph Tank Heat Dishwasher ONLY Electric Booster Option with or without and Single Point hee Circuit Breaker Electrical Connection aren aie tion Option with or without p Circuit Breaker Option Electric 80 100 120 60 1 Steam or Gas 25 Electric 50 200 230 60 1 Steam or Gas 15 Electric 100 60 208 60 1 Steam or Gas 80 60 Electric 100 60 240 60 1 Steam or Gas 80 60 AM14 Electric 30 200 230 60 3 AM14C Steam or Gas 15 Electric 70 40 208 60 3 Steam or Gas 50 40 Electric 70 40 240 60 3 Steam or Gas 50 40 Electric 15 400 460 60 3 Steam or Gas 15 Electric 35 20 480 60 3 Steam or Gas 25 20 DISHWASHER ELECTRIC BOOSTER POWER SUPPLY CIRCUITS AND THEIR LOCATIONS l l Electric F Dishwasher Dishwasher Booster Dishwasher and Electric Booster ae sa r With Circuit Br
15. e 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 and clear from all combustible substances Do not obstruct the flow of combustion and ventilation air The dishwasher must have a minimum clearance from combustible construction of 1 inch from the flue at the rear and O inches at the sides A clearance of 40 inches must be provided at the front of the dishwasher for servicing and proper operation The burner is ignited automatically by solid state electronic circuitry there is no pilot light Gas flow is regulated by the temperature control circuit 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 The most common method of venting is a vent hood over the entire dishwasher Fig 4 Refer to Rate of Exhaust Flow Calculations on the next page for calculations of the proper vent rate for your hood Another method is a small vent hood Fig 5 positioned about five inches above the flue exit at the rear of the dishwasher and connected to existing ductwork In either case an electrical interlock must be provided to allow the flow of gas to the dishwasher burner ONLY when the exhaust system is energized For additional informat
16. e this dishwasher in the chemical sanitizing mode without a properlv installed NSF listed chemical sanitizer feeder not supplied with machine Contact an authorized detergent representative for information about a chemical sanitizer feeder The pump motor is rated 1 H P and has thermal overload protection The fill line incorporates an atmospheric vacuum breaker to prevent any reverse flow of water from the dishwasher into the potable water supplv A float located in the wash tank will shut off the heat supply if the water level becomes too low When the water returns to a proper level the heating circuit is again operational 4 Available as an optional accessory is a frame mounted 10KW electric booster to maintain a minimum final rinse temperature of 180 F Also available as an optional accessory is the model IB57 Infrared Booster Gas Water Heater Also available are circuit breaker s and or single point electrical connection options 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 and booster data plate if applicable The dishwasher data plate is located either on the front of the upper wash tank viewable after the front pa
17. eaker With Circuit Breaker With Single Point etic And Single Point Without Single Point Electrical Connection Saser Electrical Connection Electrical Connection Without Circuit Breaker 1 Circuit 1 Circuit 1 Circuit 1 Circuit 2 Circuits 1 Circuit At Circuit At Control At Electric wee At Control Breaker Box Box On Side Booster Below a a Se ee Box On Side On Top Of Dishwasher Dishwasher p p Of Dishwasher 12 OPERATION PREPARATION Place the pump strainer when equipped overflow tube overflow cover end cover slanted strainer and the strainer bucket in their respective positions Fig 7 Slanted Strainer Lever Strainer Bucket J End Cover Overflow Tube Fig 7 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 Close the doors which will automatically close the drain On model AM14 The front inspection door must be closed before the counterbalanced doors can be lowered Open the manual steam globe valve or gas valve if applicable Push the Power switch ON Fig 8 If all machine doors are closed the fill cycle will begin automatically During the fill cycle the word FILL will flash intermittently on th
18. et Feet Feet If there are four open sides Island Design the calculation of the Rate is as follows Q 75xA If there are three or fewer open sides the calculation of the Rate is as follows Q 50xA As an alternate method the Rate can be calculated as follows Q 50xPxD Example L 3 W D 2 Rate Calculations Hood Design Corner Wall Island Number of Open Sides 2 Sides Open 3 Sides Open 4 Sides Open Q 75xA 675 CFM Q 50xA 450 CFM 450 CFM Q 50xPxD 600 CFM 900 CFM 1200 CFM STEAM When Specified A 8 4 union connection for the steam supply line is located at the lower right side of the machine The steam supplv must have a flowing pressure of 15 20 psig Steam flow is controlled bv a solenoid valve as well as a mechanical ball valve The ball valve should be closed when the dishwasher is not in use 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 CONNECTION Refer to the wiring diagram attached inside the control box and to the machine data plate for service size requirements when connecting the dishwasher Also refer to Electrical Data page 12 When circuit breaker option is not provided the dish
19. ion refer to the National Fuel Gas Code ANSI 2223 1 54 e IMPORTANT Make sure the installation meets the local code for your area 1 TO 4 A gt CLEARANCE 6 MINIMUM MINI VENT HOOD _ y OVERHANG ON ALL SIDES 3 x 3 DUCT INTO CURRENT SYSTEM 18 OVERHANG I lt 6 gt RECOMMENDED OVER LOADING OR 5 GAP UNLOADING DOORS MINIMUM DISHWASHER FLUE EXIT lt Y Fig 4 Fig 5 NOTE Anv listed and labeled factorv built commercial exhaust hood tested in accordance with UL Standard 710 bv a nationallv recognized testing laboratorv should be installed according to the terms of its listing and the manufacturer s installation instructions META EEA CLEARANCE lt LENGTH RATE OF EXHAUST FLOW CALCULATIONS HEIGHT Based on the 1996 International Mechanical Code The Rate of air flow required for a vent hood is calculated using the following definitions Q Rate of Air Flow in Cubic Feet Per Minute or CFM Required for the Hood A Area of Hood Opening in Feet L x W D Clearance Height Distance in Feet from lower lip of hood to top of dishwasher chamber P Perimeter of Hood that is Open This depends on the hood design as follows Perimeter Calculation Formula Hood Design Corner Wall Island Number of Open Sides 2 Sides Open 3 Sides Open 4 Sides Open P L W L W W L L w W Dimensions Fe
20. is initiated when the machine doors are closed The rinse cvcle begins when the wash cycle is completed NOTE When the CvciE Switcu is set AUTOMATIC the WAsH Rinse switch Fig 8 must be OFF When the Cyce SwircH is set on MANUAL the wash cycle is initiated by placing the WAsH Rinse switch in the WASH position After the desired wash time minimum 40 seconds recommended hold the WAsH Rinse switch in the RINSE position for the desired rinse time minimum 18 seconds recommended 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 Throughout the wash cycle the tank water temperature will be displayed on the control box readout along with the word WASH During the rinse cycle the rinse water temperature will be displayed along with the word RINSE When the rinse cycle is completed the readout will display the tank water temperature The rinse temperature may be adjusted on machines equipped with electric booster water heater by turning the adjustment screw Fig 10 clockwise to increase the temperature or counterclockwise to decrease temperature If proper rinse temperature cannot be maintained push the red reset button Fig 10 If this does not correct the situation contact Service When the wash and rinse cycles are finished open the doors remove the clean dishes slide in another ra
21. nel is removed or on the side of the control box A separate data plate for the electric booster is located on the back side of the booster when equipped INSTALLATION CODES Installation must be in accordance with state and local codes or in the absence of local codes with the National Fuel Gas Code ANSI 2223 1 latest edition if applicable and the National Electrical Code ANSI NFPA 70 latest edition In Canada the installation standards are CAN CGA B149 1 CAN CGA B149 2 and CSA 22 2 No 1 latest editions LOCATION Place the dishwasher in its operating location Before finalizing the location make sure that consideration has been given for the electrical conduit water supply drain connection steam or gas supply and venting if applicable tabling if needed chemical feeder replenishment if applicable and adequate clearance for opening the doors Allow adequate clearance for service DISH TABLE The control box Fig 1 is mounted 4 s below the dish we table when shipped from the factory It can be changed Siete to 12 s or 3 a below the dish table by removing the two mounting bolts and reinstalling them in the holes provided SEAL TO PRE VENT LEAKAGE The dishwasher must be level before anv connections are made Turn the threaded feet Fig 1 as required to level the machine and adjust to the desired height Dish tables should be turned down and fitted into the dishwasher Fig 2 Use an NSF a
22. pproved sealer between table and tank lip to prevent leakage Fasten Fig 2 the tables to the tank lip with truss head screws High temperature or gas heat dishwashers will probably require a hood or vent over the dishwasher in order to meet local codes Low temperature chemical sanitizing machines or low usage electric or steam heat dishwashers may not require individual venting of the machine if the room is amply exhausted Refer to pages 8 and 9 for venting and hood requirements WATER REQUIREMENTS Proper water qualitv can improve ware washing performance 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 equipment will also vary depending on the local water conditions Ask your municipal water supplier for details about local water specifics prior to installation Recommended water hardness is 4 6 grains of hardness per gallon Chlorides must not exceed 50 parts per million Water hardness above 6 grains per gallon should be treated by a water conditioner water softener or in line treatment Water hardness below 4 grains per gallon also requires a water treatment to reduce potential corrosion Water treatment has been shown to reduce costs associated with machine cleaning reduce deliming of the dishwasher reduce detergent usage and red
23. r Heater 7 GAS TANK HEAT el 7 VENTING REQUIREMENTS WITH GAS TANK HEAT 8 RATE OF EXHAUST FLOW CALCULATIONS 9 STEAM HEAT sede dete aqu kausa uu a h ble a A g a 10 ELECTRICAL CONNECTIONS 10 DISHWASHER CONNECTION 10 Check Rotation Three Phase Machines Only 10 ELECTRIC BOOSTER WATER HEATER CONNECTION 11 OPTIONAL EQUIPMENT CONTROL CONNECTIONS 11 Detergent 11 Rinse Ald DISPENSER ala sa a DA ala Glee Bares 11 Vent Fan Control Li 2228 ii i ia a B Gua ay 11 Hobart Infrared Booster Gas Water 11 ELECTRICAL DATA 2 oc AD AM Ps Ea g ana 12 OPERATION A usuy aaa a i a Tin 13 PREPARATION f be 13 DISHWASHING amp diate cS th cet seas eine dines Sodan a ake 14 GLEEANING Z nis ia SaNay fed aid ade sates muya cesta SCD 15 DOs AND DON Ts FOR YOUR NEW HOBART WAREWASHER 16 MAINTENANGE s Sse Seeded Gary ed Di da ate et del Sate di
24. uce corrosion of metallic surfaces in the booster water heater and dishwasher Sediment silica chlorides or other dissolved solids may lead to a recommendation for particulate filtration or reverse osmosis treatment If an inspection of the dishwasher or booster heater reveals lime build up after the equipment has been in service in line water treatment should be considered and if recommended should be installed and used as directed Contact your Hobart Service office for specific recommendations PLUMBING CONNECTIONS WARNING PLUMBING CONNECTIONS MUST COMPLY WITH APPLICABLE SANITARY SAFETY AND PLUMBING CODES DRAIN CONNECTION The drain connection is made using 2 pipe If a right hand drain is desired it can be changed from the standard left hand by removing the pipe plug from the drain valve and reinstalling it in the opposite end of the drain valve If a grease trap is required by code it should have a minimum flow capacity of 42 gallons per minute WATER CONNECTION A suitable water hammer arrestor should be installed in the water line just ahead of the dishwasher Without Electric or Gas Booster Water Heater The water supply line is connected to the line strainer Fig 1 with 3 4 pipe Minimum water temperatures are listed below Sanitizing Mode Wash Rinse Hot Water 150 F 66 C 180 F 82 C Chemical Normal Duty 120 F 49 C 120 F 49 C Chemical Light Duty 130 F 54 C 120 F 49 C Temper
25. washer electrical service connections are made through the 1 hole in the right hand bottom of the control box A fused disconnect switch or circuit breaker must be installed in the electrical service line supplying this dishwasher and should meet the requirements of your local electrical code The incoming power supply connections should be made to the terminal block in the control box and a ground lead should be connected to the grounding lug in the control box if grounding is not provided by the conduit used When equipped with single point electrical connection option for both the dishwasher and electric booster one incoming electric supply line should be connected to the terminal block in the control box and a ground lead should be connected to the grounding lug if grounding is not provided by the conduit used When equipped with the circuit breaker option the incoming electrical supply or supplies should be connected to the terminal block in the circuit breaker box on top of the dishwasher If the electric booster option is supplied a separate connection may or may not be required depending upon whether or not single point electrical connection option is present A ground lead should be connected to the grounding lug if grounding is not provided by the conduit used When equipped with both single point electrical connection and circuit breaker options the incoming electric supply should be connected to the terminal block in the circuit
26. y cool down Some motors are equipped with a gray manual reset button on the bottom of the motor near the endbell opposite of the motor junction box Fig 13 To restart motors equipped with reset button after the motor has cooled press the gray manual reset button 17 avoid a service call check symptoms and related possible causes If machine still does not operate properly contact Service SVMPTOM No machine operation Dishes not clean Spotting silverware glasses and dishes POSSIBLE CAUSE Blown fuse or tripped circuit breaker at power supply Machine control is in MANUAL mode Check tank water level Insufficient wash water due to drain obstruction preventing proper drain closing Worn or torn drain O Ring allowing wash water to drain 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 Incorrect water temperature Check circuit breaker to electric heat supply Incorrect detergent dispensing Contact your detergent representative Excessive mineral deposits throughout wash and rinse system Deliming may be necessary Improperly loaded racks Incorrect rinse water temperature 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
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