Middleby Marshall PS200 manuals
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Very often issues with Middleby Marshall PS200 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Double Oven Middleby Marshall PS200 is responsible for and what options to choose for expected result.
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Middleby Marshall PS200 Manual
181 pages 10.82 Mb
2 technical service manual2 WARNING 3 TABLE OF CONTENTSWARNINGDISCONNECT THE OVEN FROM ITS ELECTRICAL POWER SUPPLY BEFORE SERVICING. Middleby Marshall reserves the right to change specifications at any time. 4 TABLE OF CONTENTS (continued)5 SECTION 1 SEQUENCE OF OPERATION8 SECTION 2 AIR FLOW AND HEAT TRANSFERFigure 1 Blowers, belts and pulleys 9 8Figure 2 Air finger operation Figure 3 PS300/350 air finger with shutter plate Figure 4 Current standard air finger (all oven models) 10 9Figure 5 3D air finger label (if present) Figure 6 Internal air finger chart 11 10Figure 7 Front-to-back uneven bake 12 11Figure 8 PS300/350-style air finger with adjustable shutter plate 13 12Figure 9 - Conveyor Speed (Bake Time) Figure 10 - Belt Time Figure 11 - Time of Delivery 13 14 SECTION 3 SERVICING COMPONENTSFigure 12 Original-style speed controller Figure 13 Current-style speed controller 15 14Figure 15 Old-style pickup assembly Figure 14 PS350-style pickup assembly (used on early PS360) 20 19Figure 19 Connections for pickup test 27 28 Service Bulletin30 Service BulletinAppendix - Service Bulletin MM-189 - New Conveyor Gear Motors, Brushes, and Pickup Clamps, 8/01 31 30Appendix - DIP switch settings for Conveyor Speed Controller with Digital Display (P/N 37337), 4/02 32 31Figure 22 - Temperature controllers AB CDEFG 33 32Appendix - Temperature controller terminal cross-reference, 4/02 Instructions for Service Kit 47321Middleby Corporation Service Hotline 1-800-238-8444 34 Digital Temperature ControllerInstallation, Programming and Troubleshooting Instructions 35 Controller Types36 Before you BeginInstallation 37 Electrical Connections38 Figure 4aFigure 4bModulated Gas Output System Figure 5a Figure 5bVariable Pulse Output System 39 Jumper SettingProgramming 41 Diagnostic Error Messages42 Digital Temperature Controller P/N 46837 Operating Instructions46 45Figure 23 - High limit control modules (Shown in PS360-series oven)Instructions for Service Kit 39733 47 High Limit Conversion Kit for PS300, 310, 350, & 360 OvensTOOLS REQUIRED KIT COMPONENTS - A. OVERVIEW Figure 1D. Appendices Appendix - Instructions for Service Kit 39733 - 48 B. INSTALLATION50 49High Limit Conversion Kit for PS300, 310, 350 & 360 Ovens, 5/99 55 54Figure 24 - ThermocouplesInstructions for Service Kits P/Ns 33984 and 33985 57 Oven Thermocouple KitD. Appendices Appendix - Instructions for Service Kits 33984 and 33985 - 58 PS200 Series - before 2/96, serial numbers before ASH-0001PS200 Series - 2/96 or later, serial numbers after ASH-0001 59 PS360 Series rear wall thermocouples - before 2/96, serial numbers before ASH-0001PS360 Series rear-wall thermocouples - 2/96 or later, serial numbers after ASH-0001 60 PS360 Series front-mounted thermocouple inside the machinery compartment61 PS53662 PS555 Gas - thermocouples with screw ter- minal connections (no terminal blocks)63 PS555 Electric and PS555E66 PS570S (late) - rear wall thermocouples with left-side AND right-side terminal block connec- tions68 PS555G and PS570G rear wall thermocouples with left-side terminal block connections69 68Figure 25 Early-style PS200 indirect drive assembly Figure 26 Current PS200 indirect drive assembly Figure 27 Blower motor fuses 70 69Figure 28 Bearing lubrication Figure 30 Repositioning the blower motor Figure 29 Blower belt tension 71 70Figure 31 Fan shaft alignment tool 72 71Figure 32 Bearing replacement and alignment - early-style PS200 fan shaft assembly 73 72Figure 33 - Four-point alignment test for correct pulley alignment 74 73Figure 34 Bearing replacement and alignment - current-style PS200 fan shaft assembly 75 74Figure 35 Blower motor fuses - single-phase motors Figure 36 Blower motor fuses - three-phase motors 76 75Figure 37 - Clockwise blower wheel Figure 38 - Counterclockwise blower wheel Figure 39 - Blower wheel placement Shown from rear of oven Figure 40 Inlet ring Figure 41 Blower wheel puller tool 77 76Figure 44 - Fuse/circuit breaker locations Figure 42 - PS570/570S blower configuration Figure 43 - PS555/570G blower configuration 79 78Figure 45 PS500-series blower wheel orientation Figure 46 Bearing lubrication 80 79Figure 47 Blower belt tension and repositioning the blower motor Figure 48 - Four-point alignment test for correct pulley alignment 81 80Figure 49 - PS360-series blower motor centrifugal safety switch 82 81Figure 50 - Air pressure safety switch models 1. 2. 3. 4. 83 82Figure 51 PS360WB70/EWB with Midco burner Figure 52 PS360WB70/EWB with Wayne burner 88 87Figure 53 PS570/570S flame gate adjustment 89 88Figure 54 PS200-series gas train Figure 55 PS310, PS314, PS360 or PS360WB gas trainX. GAS TRAIN AND BURNER SYSTEM A. Part Number Reference - Gas Train Components 90 89Figure 56 PS360EWB or PS360WB70 gas train with Midco burner Figure 57 PS360EWB or PS360WB70 gas train with Wayne burner 91 90Figure 58 PS570S gas train Figure 59 PS570G or PS555 gas train 92 91B. Part Number Reference - Gas Orifices and Gas Conversion Kits *NOTE Figure 60 - Wayne burner - exploded view 93 92Figure 61 - Midco burner Figure 62 - Wayne burner 94 93Figure 63 - Pilot/ignitor assembly Figure 64 End of burner without flame target showing pilot shield Figure 65 Flame targets 95 94Figure 66 Flame structure Figure 68 - Pilot and probe Figure 67 - Flame rectification 96 95Figure 69 Air shutter adjustment 97 96Figure 70 Low Flame (Bypass) Orifice 98 97Figure 71 - Modulating Gas System 99 98Figure 72 - Combination Gas Control Valve 100 99Figure 73 Wiring diagram of ignition and gas valve system (obsolete ignition module 27161-0004) Figure 74 Wiring diagram of ignition and gas valve system (current ignition module 27161-0005) 102 101Figure 75 Voltage Checks for Ignition Module and Combination Gas Valve 103 102WARNINGInstructions for Service Kits 42810-0119, 42810-0122, 42810-0123, 42810-0124, 43062, 44665 120 Gas Conversion Kit for Middleby Marshall OvensNatural Gas to Propane Operation * 126 Gas Conversion Kit for Middleby Marshall OvensPropane to Natural Gas Operation * 132 MarshallQty. Units p/n Description Orifice, Low Flame - Propane, 0.034 (0.86mm, #62 drill) Orifice, Pilot Assembly - Propane, 0.025 (0.64mm) Orifice, Main - Propane, 0.185 (4.70mm) Label, LPG, Red Label, Conversion - Gas IMPORTANT 1. PREPARATION 2. PILOT ORIFICE REPLACEMENT Oven Gas Conversion Kit p/n 36856 PS360EWB and PS360WB70Natural Gas to Propane Installation Instructions MiddlebyFigure 1Conversion component locations 5. GAS LEAK TEST WARNING - FIRE / EXPLOSION HAZARD 3. MAIN ORIFICE REPLACEMENTLow flame orifice replacement LOW FLAME ORIFICE REPLACEMENT 4. 133 (PS360WB70 only)Figure 4 Figure 2 Figure 3 134 Blowers without external air shutter6. INLET PRESSURE CHECK 7. PILOT PRESSURE ADJUSTMENT 8. MAIN MANIFOLD PRESSURE ADJUSTMENT Figure 5Burner blower configurations Figure 6Gas pressure measurement/adjustment locations 135 Figure 7Red LPG. label placement (on burner housing) 175,000 BTU Figure 8Conversion information label PROPANE 36856 .185/4.70mm 14 W.C./34.9mbar Figure 9 9. CONVERSION LABELING 136 MarshallQty. Units p/n Description Orifice, Low Flame - Nat. Gas, 0.065 (1.65mm, #53 drill) Orifice, Pilot Assembly - Natural Gas, 0.032 (0.81mm) Orifice, Main - Natural Gas, 0.234 (5.94mm) Label, NAT, Green Label, Conversion - Gas IMPORTANT 1. PREPARATION 2. PILOT ORIFICE REPLACEMENT Oven Gas Conversion Kit p/n 36863 PS360EWB and PS360WB70Propane to Natural Gas Installation Instructions MiddlebyFigure 1Conversion component locations 5. GAS LEAK TEST WARNING - FIRE / EXPLOSION HAZARD 3. MAIN ORIFICE REPLACEMENTLow flame orifice replacement LOW FLAME ORIFICE REPLACEMENT 4. 137 (PS360WB70 only)Figure 4 Figure 2 Figure 3 138 6. INLET PRESSURE CHECK7. PILOT PRESSURE ADJUSTMENTGas pressure measurement/adjustment locations 8. MAIN MANIFOLD PRESSURE ADJUSTMENT Blowers without external air shutter Figure 6 Figure 5Burner blower configurations 139 Figure 7Yellow NAT. label placement (on burner housing) 175,000 BTU Figure 8Conversion information label NATURAL 36863 .234/5.94mm 14 W.C./34.9mbar Figure 9 9. CONVERSION LABELING 141 140Figure 76 PS200 electric (early) with mercury contactors and fuses Figure 77 PS200 electric (current) with solid state relays and circuit breaker blocks 142 141Figure 78 Fan shroud removed Figure 79 Removing elements 143 142Figure 80 Removing the element bank mounting bolts Figure 81 Electrical leads disconnected 144 143Figure 82 Element bank removed - spacer bracket visible 146 145Figure 83 PS555 electric oven heating element removal 147 146Figure 84 Figure 86 Figure 85 173 SECTION 5 REFERENCE175 174Pressure conversionsin. H2O in. Hg mbar p si oz./sq. in. in. H2O in. Hg mbar psi oz./sq. in. General conversion factorsMULTIPLY BY TO OBTAIN MULTIPLY BY TO OBTAIN MULTIPLY BY TO OBTAIN
144 pages 4.57 Mb
20 pages 802.29 Kb
PARTS MANUALPS200/220/224 Gas and Electric OvensPS200, PS220, & PS224 www.middleby.com 20 WARNING
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