Lang DO75, Installation, Operation And Maintenance Instructions

Page 1: ...tional 10 Sunnen Drive St Louis MO 63143 3800 Part Number 2M W477 Ph 314 781 2777 Fax 314 781 2714 Rev WWW STAR MFG COM February 5 2010 Installation Operation and Maintenance Instructions Electric Air Door Pizza Oven Model DO75 ...

Page 2: ...LD RESULT IN DEATH OR SERIOUS INJURY CAUTION POTENTIALLY HAZARDOUS SITUATION WHICH IF NOT AVOIDED MAY RESULT IN MINOR OR MODERATE INJURY NOTICE Helpful operation and installation instructions and tips are present FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE WARNING IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVI...

Page 3: ...ENTS 3 READ FIRST 4 SAFETY PROCEDURES 6 EQUIPMENT DESCRIPTION 7 UNPACKING 8 INSTALLATION 9 INITIAL START UP 11 OPERATION 12 MAINTENANCE CLEANING 13 TROUBLE SHOOTING 15 ILLUSTRATED PARTS BREAKDOWN 17 PARTS LIST 18 WIRING DIAGRAM 208 240V 20 WIRING DIAGRAM 480V 21 ...

Page 4: ... wire size and clearance specifications are on the data plate This information should be carefully read and understood before proceeding with the installation The installation of any components such as a vent hood grease extractors fire extinguisher systems must conform to their applicable National State and locally recognized installation standards NOTICE During the first few hours of operation y...

Page 5: ...COM for the service agent nearest you WARNING BOTH HIGH AND LOW VOLTAGES ARE PRESENT INSIDE THIS APPLIANCE WHEN THE UNIT IS PLUGGED WIRED INTO A LIVE RECEPTACLE BEFORE REPLACING ANY PARTS DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY CAUTION USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY STAR OR THEIR AUTHORIZED DISTRIBUTORS CAN CAUSE BODILY INJURY TO THE OPERATOR AND DAMAGE TO THE...

Page 6: ...n standards The presence of safety equipment control and interlocks on an appliance and attendant components of installation cannot in and of themselves assure absolute safety of operation Diligent capable well trained operators and maintenance personnel as well as proper programs of operation and maintenance are essential to the safe and reliable operation of this appliance A The responsibility o...

Page 7: ... 12 Pizza 12 each 14 Pizza 8 each 16 Pizza 6 each 18 Pizza 6 each Controls The oven power switch turns on the Air Door which is a gentle curtain of hot air that flows up across the oven opening preventing any heat from escaping the oven The oven is provided with both an upper and a bottom heating element The upper element is visible in the top of the oven the lower oven element is under the cordie...

Page 8: ...MENT SUCH AS A FORKLIFT DOLLY OR PALLET JACK TO REMOVE THE UNIT FROM THE SKID AND MOVE IT TO THE PLACE OF INSTALLATION CAUTION ANY STAND COUNTER OR OTHER DEVICE ON WHICH OVEN WILL BE LOCATED MUST BE DESIGNED TO SUPPORT THE WEIGHT OF THE OVEN 850 LBS CAUTION SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT The oven may now be removed from the skid INSTALLING THE LEGS Legs are available ...

Page 9: ...n be made through an 11 4 knockout in the bottom of the oven below the electrical controls Remove the cover attached to the oven circuit breakers for access Power connections can be made to the wires extending from the bottom of the circuit breakers Each wire has three numbers approximately two feet apart For Service connection and Phasing refer to the wiring diagram located at the back of this ma...

Page 10: ...st a non combustible back wall maintain a 6 inch clearance to the floor Do not install the oven closer than 4 inches from another oven on the right hand side control panel side Do not install the oven closer than 12 inches from an uncontrolled heat source char broiler etc on the right side Keep the appliance area free and clear of combustible material and do not obstruct the flow of combustion or ...

Page 11: ...eratures it must be thoroughly seasoned or dried out Moisture absorption in the closed spaces in the insulation and even inside the heating elements can cause future trouble if not properly treated Before the initial use of the oven the element must be thoroughly allowed to dry out This is done by setting the top and bottom oven switches to the low position and setting the thermostat to 350 F 177 ...

Page 12: ... top and bottom heat to suit your product See suggested temperature and control settings Equal baking results will be obtained with the door open or closed The door is provided to conserve energy during preheat or slow periods To select the balance of top and bottom heat follow these directions 1 If product is overdone on the bottom tun the bottom switch down or the top switch up 2 If product is o...

Page 13: ... topping Deck Slow 500 F 550 F 260 288 C Med Low Med Low 3 7 Thick Thin crust Light topping Deck Busy 500 F 550 F 260 288 C Med Hi Med Hi 3 7 Thick Thin crust Heavy topping Deck Slow or Busy 475 F 550 F 246 C 288 C Med Low Med Hi 6 10 Thick Thin crust Pan Slow or Busy 475 F 550 F 246 C 288 C Med Low Med Hi 5 8 Thick Thin crust Heavy topping Deep Dish Pan Slow or Busy 475 F 550 F 246 C 288 C Med Lo...

Page 14: ... oven The stainless exterior can easily be cleaned using Lang Mfg Prime Shine 72804 41 oven cleaner Always follow the cleaner manufacturer s instructions when using any cleaner Care should be taken to prevent caustic cleaning compounds from coming in contact with the aluminized blower wheel and aluminized inside of the oven Discoloration or heat tint may be removed using a carbon release oven clea...

Page 15: ...les Red indicator light indicates when oven is calling for heat After 3 cycles average the temperature 5 F Add all six temperatures and divide by 6 Calibration Adjustment A 5 64 hex head wrench will be required to remove the knob from the thermostat shaft A 1 16 flat blade screwdriver with a 2 shaft is required to make adjustments on the thermostat Maintain the oven temperature at 350 F 177 C With...

Page 16: ... POSSIBLE CAUSE Oven will not heat No power to Oven Internal breaker tripped Blown fuses Defective power switch Defective thermostat Defective contactor Defective 4 heat switch Defective oven element Fan will not operate No power to oven Internal breaker tripped Blown fuses Defective power switch Defective terminal block Defective motor Product is burning Product is cooked too long Thermostat out ...

Page 17: ...ED DISTRIBUTORS CAN CAUSE BODILY INJURY TO THE OPERATOR AND DAMAGE TO THE EQUIPMENT AND WILL VOID ALL WARRANTIES TESTS Possible Cause TEST Blown fuses No test available replace fuses Failed or tripped internal breaker Reset breaker Failed thermostat Verify calibration Replace if necessary Failed Contactor Verify that coil has correct voltage Verify that coil has continuity Verify that contactor po...

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Page 19: ...R 1 3HP 115 208 240 1PH 1 DO75 208V 240V 9 2U 71500 01 BLOWER WHEEL PPP F11 GPO 1 DO75 208V 240V 480V 11 2A 50800 43 DOOR ROD GPO PPP 14 3 4 2 DO75 208V 240V 480V 13 2A 50800 42 TNSIONDSC NW PPP 1 1 4DIA 2 DO75 208V 240V 480V 2E 31800 01 CB 250V50A 1 POLE CRLNGSW 4 DO75 208V 240V 14 2E 31800 04 CB 480V 50A 3 POLE 1 DO75 480V 15 2J 31601 01 PILOT LT 250V 6LEAD BLK 2 DO75 208V 240V 480V 16 2E 31602 ...

Page 20: ...240V TOTAL K W 12 1 24 2 36 3 12 1 12 2 12 1 6 2 0 0 5 9 5 9 12 1 PPP 1 PPP 2 PPP 3 MODEL LANG SINGLE PHASE AMPS PER LINE 2 1 4 1 4 7 10 1 4 7 2 5 8 11 2 5 8 THREE PHASE L1 3 3 6 9 12 3 6 1 3 5 7 9 11 1 3 5 7 L1 2 4 6 8 10 12 L2 L2 L3 1 3 2 4 6 8 2 4 AMPS PER LINE DO75 1 DO75 2 DO75 3 MODEL STAR FIRST DECK CIRCUIT BREAKERS 1 2 3 4 DRAWING NUMBER REV OF SHEET 1 64 ANGLES 5 X 05 XX 03 TITLE CK TOLER...

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Page 24: ...STAR INTERNATIONAL HOLDINGS INC COMPANY Star Holman Lang Wells Bloomfield Toastmaster 10 Sunnen Drive St Louis MO 63143 U S A 800 807 9054 314 781 2777 Parts Service 800 807 9054 www star mfg com ...