Wyott HR-20 Operating Manual Download Page 4

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Wiring Diagram

The diagram below is shown with the power disconnected and the unit at room temperature.

The following table provides average DC resistances for Hotrod® motors and heating elements. This information is provided for
service personnel and is not required for daily operation of the unit.

Item Motor

Heating

Element

Part

Number 12120 12116

12117 5783 5788 5800 5801 5811

Resistance, ohms

137

131

440

285

Summary of Contents for HR-20

Page 1: ...Operating Manual HR 20 HR 40 360 Hot Dog Grills Manufactured by AMERICAN WYOTT CORPORATION 1938 Wyott Drive Cheyenne WY 82007 Phone 307 634 5801 Part No 88989 Revised 1 88 ...

Page 2: ...Page No Introduction 3 Safety 3 Specifications 3 Wiring Diagram 4 Parts Identification 5 Exploded Views 8 Equipment Set Up 10 Operation 10 Cleaning Procedure 11 Nonscheduled Maintenance 11 Troubleshooting 11 Warranty 13 ...

Page 3: ...f ignored CAUTION The word Caution identifies a hazard which will or can cause minor personal injury or property damage if ignored NOTE The word Note is used to notify people of installation operation or maintenance information which is important but not hazard related Specifications Electrical The required power supply for each model is shown below CAUTION Operation of this unit on the incorrect ...

Page 4: ...lowing table provides average DC resistances for Hotrod motors and heating elements This information is provided for service personnel and is not required for daily operation of the unit Item Motor Heating Element Part Number 12120 12116 12117 5783 5788 5800 5801 5811 Resistance ohms 19 91 137 131 85 440 285 96 ...

Page 5: ...model number and serial number in addition to the part description and part number The following parts are common to all units ITEM QTY DESCRIPTION P N 1 2 Cover side 4437 2 1 Plate roller drive 5770 3 11 Bushing roller drive plate 4460 4 2 Washer guide 5766 5 1 Plate bushing 5781 6 2 End housing 22024 7 4 Bumper 21220 8 1 Drive wheel 4403 9 1 Bushing drive wheel 5697 10 22 Bushing roller tube 400...

Page 6: ...13004 13005 13004 13004 13005 30 1 Indicator light rear 15121 15128 15128 15121 15128 15128 15121 31 1 Indicator light front 15118 15124 15124 15118 15124 15124 15118 32 1 Line voltage decal 88545 88546 88546 88545 88546 88546 88545 The following parts differ depending on the model size and options ITEM PART NUMBER FOR MODEL PART NUMBER ITEM QTY DESCRIPTION 5750 5752 5753 5755 5756 5758 5322 5759 ...

Page 7: ...hd self tap 8 32 by 3 8 pitd sti 81355 H5 HR20 6 Screw slotted hex wshr hd sht mtl 8 by 3 8 pitd sti 81546 HR40 8 H6 1 Screw hex socket head 10 32 by 1 4 steel 81633 H7 8 Screw slotted pan hd sht mtl 10 by 3 8 pitd sti 81675 H8 1 Screw slotted truss hd 10 32 by 1 2 pitd sti 81752 H9 3 Nut tinnerman 1 8 coated steel 84044 H10 5 Nut hex 10 32 pitd sti 84145 H11 2 Nut hex 10 32 with nylon locking rin...

Page 8: ......

Page 9: ... rotation and 2 adjustable heat switches with matching indicator lights the FRONT control on the left adjusts the temperature of the first 5 tubes while the REAR control on the right adjusts the last 6 The table below shows the average tube temperature for each number on the heat switches This information is presented as a guide only exact adjustment should be based on personal as well as customer...

Page 10: ...ed Maintenance Under normal circumstances with reasonable care and periodic cleaning the HOTROD should require little non scheduled maintenance All routine repairs should be performed by personnel with extensive service experience However the grease seal may require periodic replacement The grease seal is held on the tube by friction and must be stretched before it can be installed A Grease Seal E...

Page 11: ...ch setting 1 2 numbers higher too low Faulty switch es Turn heat switches to HI and check lights If Item 29 lights are still off unplug the unit from the outlet WARNING Failure to do so may result in electric shock Remove the bottom cover to access wiring and switch Remove old switch es and replace Refer to wiring diagram for correct hookup Reassemble using reverse procedure Faulty element s Turn ...

Page 12: ...motor Unplug the unit from the outlet Item 26 WARNING Failure to do so may result in electric shock Remove left side cover and bottom cover Remove the 11 E shaped retainer rings Remove the E Ring and washer which mounts the drive wheel to the drive plate Using a nut driver remove the 2 elastic stop nuts and 2 plastic washers Remove the drive plate Us ing a hex key wrench loosen the set screw holdi...

Page 13: ...ARRANTY A Installation of equipment B Damages due to improper installation C Damages from abuse or misuse of equipment E Cleaning of equipment F Seasoning of griddle plates G Voltage conversions H Gas conversions or pilot light adjustments I Miscellaneous adjustments J Thermostat calibration either refrigeration or heating K Resetting of circuit breakers or safety controls L Replacement of bulbs l...

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Wyott HR-20, Operating Manual

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