User ManualTable of ContentsINTRODUCTION1WARRANTY2GENERAL3INSTALLATION5Unpacking5Electrical Connections5Plumbing Connections6Detergent6Rinse-Aid6Chemical Sanitizer6Completing Installation7OPERATION8Operation Summary8Operation Procedures8Extended Wash Cycle9MAINTENANCE10Cleaning Schedule10Deliming11Deliming Process11Maintenance Schedule12TROUBLESHOOTING13REPLACEMENT PARTS15ELECTRICAL DIAGRAMS42TIMER CHARTS and DIAGRAMS50Figure 1—Track and Panel Assembly16Figure 2—Door and Switch Assembly18Figure 3—Tank Heat and Drain20Figure 4—Pump Assembly22Figure 5—Wash System Assembly24Figure 6—Water Inlet Piping26Figure 7—Fill System28Figure 8—Booster Assembly30Figure 9—Detergent Pump Assembly32Figure 10—Sanitizer/Rinse-Aid Pump Assembly34Figure 11—Drain Pump Assembly36Figure 12—Control Cabinet38Figure 13—Electrical Diagram, 501-HT (For machines beginning with S/N W7604)42Figure 14—Electrical Diagram, 501-HT (For machines ranging from S/N 6984 to W7604)43Figure 15—Electrical Diagram, 501-HTN (For machines beginning with S/N 6984)44Figure 16—Electrical Diagram, 501-LT (For machines beginning with S/N 6984)45Figure 17—Electrical Diagram, 501-HT (50Hz)46Figure 18—Electrical Diagram, 501-HT/UT/UTLC (For machines built prior to S/N 6984)47Figure 19—Electrical Diagram, 501-HTN (For machines built prior to S/N 6984)48Figure 20—Electrical Diagram, 501-LT/UTL (For machines built prior to S/N 6984)49Figure 21—Timer Chart and Diagram, 501-HT (For machines beginning with S/N W7604)50Figure 22—Timer Chart and Diagram, 501-HT (For machines prior to S/N W7603)51Figure 23—Timer Chart and Diagram, 501-UT52Figure 24—Timer Chart and Diagram, 501-LT530508751 Screw, 10-32 x 1-1/2" Lg. Truss Head20308615 Front Panel (HT, HTN, LT) (Prior to S/N 6795)10308646 Front Panel (HT, HTN, LT) (S/N 6795 and above)10308646 Front Panel (UTL, UT, UT-LC)10308748 Front Panel (UT-MC)10501413 Screw, 10-32 x 3/8" Lg. Round Head20501415 Screw, 10-32 x 5/8" Lg. Round Head40308632 Track, RH10308631 Track, LH10708647 Cover, Vent20308736 Panel, LH Side (UT, UTL, UT-LC, HT, HTN, LT)10308734 Panel, Rear (UTL, UT-LC, HT, HTN, LT)10308737 Panel, RH Side (UT, UTL, UT-LC, HT, HTN, LT)10308735 Panel, Top (UT, UTL, UT-LC, HT, HTN, LT)10501412 Screw, 10-32 x 3/8" Lg. Truss Head (UT, UTL, UT-LC)100501412 Screw, 10-32 x 3/8" Truss Head60308596 Plate, Door Latch10308597 Handle, Door Latch10508721 Retaining Ring, Plunger10709462 Assembly, Door Catch (Includes items 4, 6)10509436 Plunger, Door Catch10508545 Gasket, Steam2104883 Screw, Round Head (6-32 x 3/8")20709431 Plate, Door Switch1111090 Switch, Door Magnetic Reed10508544 Gasket, Upper Door10508543 Gasket, Side Door20501539 Nut, Plain 1/4-2020503715 Spring, Door Hinge20501421 Bolt, 1/4-20 x 1-1/4" Hex Head40708564 Arm, Door Hinge20501501 Washer, Lock 1/4" Split20708527 Door10508555 Wiring, Harness, Door Switch10508628 Scrap Screen10508536 Heater Element 220V-60Hz-1PH (HT, UT, UT-LC)10508537 Heater Element 110V-60Hz-1PH (HTN, LT, UTL)10508578 Adapter, Pump Tube10501539 Nut, Plain 1/4-2020501501 Washer, Lock, 1/4" Split20308611 Support, Drain Valve10306618 Valve, Drain10501418 Screw, 1/4-20 x 1/2" Lg. Round Head20508873 Adapter, Thermostat10501836 O-Ring, Thermostat20508872 Adapter, Thermometer1108954 Nut, Grip 6-32 w/Nylon Insert2110562 Thermostat, High-Limit1201029 Locknut, 1/2 NPT Nickel-Plated20308655 Tube, Pump Outlet10508579 Nut, Jam 1"-81104414 O-Ring10510082 Clamp, Hose20508542 Spindle, Lower Wash Arm10501431 Screw, 8-32 x 1-1/8" Round Head40501425 Screw, 8-32 x 5/8" Round Head40508793 Housing, Diffuser10502741 Diffuser10502704 Impeller10502746 Adapter Plate, Suction10502745 Plate, Drain lnlet10502703 O-ring10502744 Propeller/Rotating Seal Assembly10502743 Mounting Plate/Seal Assembly (Includes Item 10)10501881 Gasket, Pump10508665 Screw, 10-32 x 5/8" Hex Washer Head80508570 Washer, Sealing Teflon80710071 Pump/Motor Assembly (lncludes items 1-11)*1107966 Nut, Grip 10-32, SST (Not Shown) (For mounting Item 1)10508549 Hose, Upper Wash10502563 Clamp, Hose 1"20708650 Spindle, Upper Wash Arm10503588 O-ring, 1-1/8" x 1-3/8"10501412 Screw, 10-32 x 3/8" Lg. Truss Head30508541 Bushing, Upper Wash Arm10705047 Wash Arm, Upper10505042 Pivot, Upper Wash Arm10308783 Retainer, Upper Pivot S/A10501563 Screw, #8 x 3/8" (Sheet Metal) Truss Head40308158 Nut Clip, Spray Arm10501684 Nut, Spray Arm Lock10705049 Wash Arm, Lower10508540 Bushing, Lower Wash Arm10503718 Foot, Adjustable40503679 Clamp, Hose20502653 Elbow, 3/8 MPT x 1/2" Hose x 90° Brass10504952 Valve, Solenoid 3/8 NPT10502811 Repair Kit, 3/8" NPT Solenoid Valve10505235 Coil, 115V, 3/8" NPT Solenoid Valve10504958 Flow Washer, 3/8" NPT Solenoid Valve10501501 Washer, Lock 1/4" Split40501419 Bolt, 1/4-20 x 1/2" Lg. Hex Head20300203 Clamp, Valve Support10300065 Support, Fill Valve10501424 Bolt, 1/4-20 x 3/8" Lg. Hex Head20503713 Elbow, Street 3/8 MPT x 1/2 FPT Brass (HT, HTN, LT)10502618 Coupler, 3/8 MPT x 1/2" Hose barb10503679 Clamp, Hose10509526 Hose, Coupled 7 ft10505320 Washer, Hose10501518 Tie Wrap, Hose2106090 Bracket, Tie Wrap2107966 Nut, Grip, 10-32 w/Nylon Insert80509048 Gasket, Inlet Chute (Beginning with S/N 5733 & above)10508867 Inlet Chute (Beginning with S/N 5733 & above)10508656 Gasket, Inlet Chute (Prior to S/N 5733)10508609 Inlet Chute (Prior to S/N 5733)10501519 Tie Wrap, Chemical Hose30503679 Clamp, Hose20502653 Elbow, 3/8 MPT x 1/2" Hose x 90° Brass20508840 Bushing, Reducing 3/4 NPT x 3/8 NPT Brass20501419 Bolt, 1/4-20 x 1/2" Lg. Hex Head20501501 Washer, Lock 1/4" Split5108954 Nut, Grip 6-32 w/Nylon lnsert2110562 Thermostat, High Limit10508779 Tank, Booster (Prior to S/N 5713)10509042 Tank, Booster (Beginning with S/N 5713 and above)10508709 Pipe Plug, 1/8 NPT Brass1109985 O-Ring1111233 Heater Element, 9KW (70° Rise) 208/230V-60Hz-1Ph1111235 Heater Element, 6KW (40° Rise) 208/230V-60Hz-lPh10501539 Nut, Plain 1/4-206107908 Cover, Heater Element10308638 Body, Junction box10501533 Nut, Plain 10-32 Brass20501472 Washer, Flat #10 Brass20501493 Washer, Lock #10 Ext. Tooth Brass10501403 Screw, 10-32 x 3/4" Lg. Round Head Brass1107964 Bushing, Snap10501412 Screw, 10-32 x 3/8" Lg. Truss Head40504538 Screw, 10-32 x 3/8" Lg. Truss Head Steel20504951 Terminal Block10308627 Cover, Junction Box1110997 Wire, Jumper, Heater Element (Not Shown)10307356 Insulation, Heater Terminal (Not Shown)10508397 Label, Cover Warning (Not Shown)10503757 Motor, Pump10308637 Bracket, Detergent Pump (all except LT)10308610 Bracket, Detergent/Sanitizer Pumps (LT)1N/A Screw, M4 x 35mm Hex Head40501412 Screw, 10-32 x 3/8" Lg. Truss Head2N/A Housing, Pump10501497 Washer, Lock #8 Split20504822 Screw,8-32 x 1/2" Lg. Pan Head20501425 Screw, 8-32 x 5/8" Round Head2N/A Screw, Set M6 x 8mm1N/A Rotor Assembly1108194 Hose, Pump1N/A Cover, Pump Housing1N/A Washer, Flat M44N/A Nut, Wing M440501519 Tie Wrap, Hose20502644 Elbow, 1/4" O.D. x 90° Barbed20503695 Label, Detergent10306363 Tube, Pick-Up10501869 Strainer, Pick-Up Tube10501519 Tie Wrap, Hose20503756 Motor, Pump10308610 Bracket, Detergent/Sanitizer Pump (LT)10308697 Bracket, Rinse-Aid Pump (Optional)10501412 Screw, 10-32 x 3/8" Lg. Truss Head20501497 Washer, Lock #8 Split40504822 Screw, 8-32 x 1/2" Lg. Pan Head40707142 Rotor Assy10706635 Element Tube Assy (45cc/min)10506589 Screw, 6-32 x 7/8" Lg. Pan Head20503694 Label, Sanitizer (LT)10505483 Label, Rinse-Aid (Optional)10306363 Tube, Pick-Up10501869 Strainer, Pick-up Tube10501519 Tie Wrap, Hose20708561 Detergent/Sanitizer Pump Assy. (LT)10308119 Bracket, Pump Hold Down10501419 Bolt, 1/4-20 x 1/2" Lg. Hex Head20501501 Washer, Lock 1/4" Split2N/A Motor, Pump1N/A Backing Plate, Pump10508370 Gasket, Pump Volute10508369 Impeller, Pump10508368 Volute, Pump1N/A Screw, 10-24 x 1-5/8" Lg. Pan Head30508141 Adapter, 3/4 MPT x 1/2" Hose Barb PVC10503679 Clamp, Hose20508139 Coupling, 1/2" NPT PVC10508140 Elbow, 1/2 MPT x 1/2" Hose Barb x 90° PVC1113622 Thermometer, 4 Ft. Gas Filled (Replaces 108391)10508551 Lamp, Green10508552 Decal, Control Panel (All except LT, UTL)10508553 Decal, Control Panel (LT, UTL)10708635 Control Panel10501361 Switch, Rocker (All except LT, UTL)20501361 Switch, Rocker (LT, UTL)10501369 Switch, Rocker, Spring-Return (All except LT, UTL)10501369 Switch, Rocker, Spring Return (LT, UTL)20504911 Screw #6 x 1/4" Lg. (Sheet Metal) Pan Head60504956 Motor, Timer10501379 Switch,Timer (All except LT, UTL)80501379 Switch, Timer (LT, UTL)90708538 Timer Assy (includes items 11, 12, 38) (HT, HTN)10708590 Timer Assy (includes items 11, 13, 38) (LT)10708590 Timer Assy (includes items 11, 13, 38) (UTL)10708538 Timer Assy (includes items 11, 12, 38) (UT, UT-LC)10501373 Switch, Toggle, 3 Position (all except HTN, LT, UTL)1107964 Bushing, Snap20308641 Cover, Contactor (all except HTN, LT, UTL)10503749 Terminal Block10501358 Relay, Start10300096 Bracket, Tank Heat, Thermostat10501380 Thermostat, Tank Heat, w/Capillary Wash Tank10708525 Control Box10501412 Screw, 10-32 x 3/8" Lg. Truss Head110503648 Screw, 8-32 x 1/4" Lg. Pan Head40501463 Screw, 8-32 x 1" Lg. Round Head10501450 Screw, 6-32 x 1/4" Lg. Round Head20501403 Screw, 10-32 x 3/4" Lg. Round Head Brass10501493 Washer, Lock #10 Ext. Tooth10501472 Washer, Flat #10 Brass20501533 Nut, Plain 10-32 Brass20508572 Label, Cam (all except LT, UTL)10508589 Label, Cam (LT, UTL)10503701 Bearing, Timer Shaft10501292 Power Cord (HTN, LT, UTL) (Not Shown)1112185 Bracket, Ranco thermostat1— Sheetmetal screw (#8 x 3/16")2— Screw (6/32 x 1/4")20309433 Bracket, Relay10509428 Relay (15A, 120VAC)10501408 Screw (8-32 x 1/4")20501538 Nut, (8-3/2 Hex)20508572-1 Label, Cam Adjust (After S/N W7604)1111069 Relay 2 PDT 10 Amp 240 VAC (After S/N W7604)10501412 Screw 10-32 x 3/8 Truss Slot SST (After S/N W7604)2(HT models only) (After S/N W7604)10308641-1 Electric Box Divider RS (After S/N W7604)1Size: 1.94 MBPages: 60Language: EnglishOpen manual