Lang RF21S-A Service Manual Download | Manualshive

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Lang Manufacturing Company

6500 Merrill Creek Parkway

Everett, WA 98203

Phone: 1-800-224-5264 Fax: 1-425-349-2733

www.langworld.com

©Copyright 2002

Service Manual for the Lang Models:

RF21S-A, RF21S-C, RF21S-D, RF21S-G, RF21S-H

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Summary of Contents for RF21S-A

Page 1: ...ufacturing Company 6500 Merrill Creek Parkway Everett WA 98203 Phone 1 800 224 5264 Fax 1 425 349 2733 www langworld com Copyright 2002 Service Manual for the Lang Models RF21S A RF21S C RF21S D RF21S G RF21S H ...

Page 2: ...R PAGE 1 TABLE OF CONTENTS 1 2 READ FIRST 2 3 EQUIPMENT DESCRIPTION 4 4 INSTALLATION 5 5 START UP 6 6 GENERAL OPERATION 7 7 SEQUENCE OF OPERATION 9 8 TROUBLESHOOTING 10 9 TECHNICAL DATA 12 10 WIRING DIAGRAMS 15 11 PARTS LIST 18 ...

Page 3: ...PMENT UNIT MUST BE INSTALLED IN ACCORDANCE WITH ALL APPLICABLE CODES NOTICE The data plate is located right of range top controls and behind circuit breaker door on oven The range voltage wattage serial number wire size and clearance specifications are on the data plate This information should be carefully read and understood before proceeding with the installation NOTICE The installation of any c...

Page 4: ...n this or any other LANG appliance must be performed by qualified personnel only Consult your authorized service station directory or call the factory at 1 800 224 LANG 5264 or WWW LANGWORLD COM for the service station 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...

Page 5: ...ction oven which has a thermostat that controls the overall temperature of the oven RF21S H Six French plates controlled by six 6 heat switches FRENCH PLATE FRENCH PLATE FRENCH PLATE FRENCH PLATE FRENCH PLATE FRENCH PLATE RF21S C Three Hot Tops controlled by three 850 thermostats HOT PLATE HOT PLATE HOT PLATE RF21S G One 36 x24 Griddle controlled by one 450 thermostat 36 x 24 GRIDDLE RF21S A One 2...

Page 6: ...ectricity to the cook top are bundled under the front bottom of the top Route these wires through the bushing provided in the oven top Align the four locating pins in the bottom corner of the top with the four holes in each corner of the oven top Remove the spacers and lower the top onto the oven CAUTION MAKE SURE THE SIX WIRE LEADS TO SUPPLY ELECTRICITY TO THE COOK TOP ARE NOT CRIMPED BETWEEN THE...

Page 7: ...Amp draw L1______ L2______ L3______ 4 Verify actual oven temperature at 350 F ________ F Model _______ Date_______ Serial ________ Store ___________ Tech Name___________________ Contact_______________ Company _________________________ Store Phone ___________ Service Company Phone ______________ Address_____________________ ______________________ ______________________ ...

Page 8: ...ar indicator marked power will be illuminated Rotating the thermostat control knob from off position to selected temperature causes the red bar indicator light to illuminate and closes the contactor that feeds power to the heating elements This light will cycle on and off as the thermostat calls for heat in the oven The blower however operates continuously while the power switch is in the on posit...

Page 9: ...clean Keep hotplate and griddle surfaces clean Outside of range and top should be kept clean Electric equipment is inherently clean and sanitary but may become unsanitary if dirt is allowed to accumulate on it Take advantage of the clean sanitary features of electric equipment give it the regular attention that it deserves the same as any other highly perfected machinery to insure best results and...

Page 10: ...turned on 208 240 VAC to contactor Contactor energizes 208 240 VAC to elements HOT TOP 208 240 VAC to thermostat Thermostat turned on 208 240 VAC to elements FRENCH PLATE 208 240 VAC to 6 heat switch 6 Heat switch turned on 208 240 VAC to French plates GRIDDLE 208 240 VAC to Thermostat Thermostat turned on 208 240 VAC to elements ...

Page 11: ...AUSE CORRECTIVE ACTION Defective Fuses Replace Fuse Incorrect wiring Confirm that oven is getting proper voltage Confirm that range is phased correctly Defective Motor Confirm that motor is getting power and working properly Replace Motor HOT TOP HOT TOP WILL NOT HEAT PROBABLE CAUSE CORRECTIVE ACTION Incorrect wiring Confirm the hot top is wired correctly Confirm that range is phased correctly Def...

Page 12: ...late Confirm that French Plate is getting correct voltage Confirm that French Plate is operating correctly See Technical Data GRIDDLE GRIDDLE IS NOT HEATING PROBABLE CAUSE CORRECTIVE ACTION Incorrect wiring Confirm the griddle is wired correctly Confirm that range is phased correctly Defective Thermostat Confirm that thermostat is wired correctly Confirm that thermostat is operating correctly Defe...

Page 13: ...4 240 Volt 11010 351 1 2 1 3 1 4 2 3 2 4 3 4 61 5 Ω 92 2 Ω 30 9 Ω 30 9 Ω 31 2 Ω 61 8 Ω 21 480 Volt 11010 361 1 2 1 3 1 4 2 3 2 4 3 4 249 0 Ω 372 0 Ω 124 8 Ω 124 2 Ω 124 7 Ω 248 7 Ω 10 5 FRENCH PLATE RESISTANCE VOLTS PART PIN RESISTANCE AMPS 208 Volt 11120 12 1 2 1 3 1 4 2 3 2 4 3 4 130 Ω 160 Ω 45 0 Ω 29 0 Ω 84 0 Ω 114 Ω 12 5 240 Volt 11120 13 1 2 1 3 1 4 2 3 2 4 3 4 173 Ω 212 Ω 59 0 Ω 39 0 Ω 114 Ω...

Page 14: ...t I S 11010 24 76 0 Ω 6 0 480 Volt O S 11010 23 115 0 Ω 4 0 MOTOR VOLTS PART AMPS RPM 208 240 Volts 30200 12 32 1725 480 Volts 30200 03 6 6 1725 6 HEAT SWITCH WIRING OFF POS 1 POS 2 POS 3 1 2 3 4 2 1 4 3 L1 L2 N3 N2 N1 1 2 3 4 2 1 4 3 L1 L2 N3 N2 N1 1 2 3 4 2 1 4 3 L1 L2 N3 N2 N1 1 2 3 4 2 1 4 3 L1 L2 N3 N2 N1 POS 4 POS 5 POS 6 1 2 3 4 2 1 4 3 L1 L2 N3 N2 N1 1 2 3 4 2 1 4 3 L1 L2 N3 N2 N1 1 2 3 4 ...

Page 15: ...NGE AMPERAGE AND WATTAGE Nominal Amps Per Line at Each Connection Three Phase Single Phase 208 Volts 240 Volts 480 Volts 208V 240V Model Number Total K W Each Conn L1 L2 L3 L1 L2 L3 L1 L2 L3 Shipping Weight Range 21 0 45 8 66 7 62 5 39 7 57 8 54 2 19 9 28 9 27 1 101 0 87 5 600 lbs Top Only 15 0 41 7 41 7 41 7 36 1 36 1 36 1 18 1 18 1 18 1 72 1 62 5 410 lbs ...

Page 16: ...15 RF21S WIRING DIAGRAM 208 240 ...

Page 17: ...16 RANGE TOP WIRING 1 Griddle and Top Plate Element 2 Pilot Light 3 450 Griddle thermostat 4 Circuit breakers 5 French plate 6 6 Heat switch 7 Hot Top 8 850 Hot Top thermostat ...

Page 18: ...17 RF21S 480 WIRING DIAGRAM ...

Page 19: ...ts Before C 35556 11120 10 Element French Plate 208 Volt 2600 Watts After D 43467 11120 12 Element French Plate 240 Volt 2600 Watts After D 43467 11120 13 Element French Plate 480 Volt 2600 Watts After C 35556 11120 14 Speed Unit Bowl 208 240 Volt Before C 43466 11120 15 Speed Unit Spider 208 240 Volt Before C 43466 11120 16 Element French Plate 380 Volt 2000 Watts Marine Units Only 11120 18 Speed...

Page 20: ...401 02 Range Plate Assembly 1 2 x 3ft 50401 03 Range Plate Assembly 1 x 4ft 50401 11 Range Plate Assembly 1 x 5ft 50401 12 Range Plate Assembly 1 x 6ft 50401 13 Door Handle 11 1 2 Long Black T Style 50800 12 Ship Rail 13 Marine Units Only 50900 01 Ship Rail 24 Marine Units Only 50900 02 Ship Rail 35 3 8 Marine Units Only 50900 04 Ship Rail Hooked 11 3 8 Marine Units Only 50901 01 Ship Rail Hooked ...

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