COMBITHERM ELECTRIC ecosmart 20-120ES Technical & Service Manual Download Page 1

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TECHNICAL SERVICE MANUAL

20•120ES MARINE

C O M B I T H E R M

E L E C T R I C

20.20

ESM TECH

• 03/08

W164 N9221 Water Street • P.O. Box 450 • Menomonee Falls, Wisconsin 53052-0450 USA

PHONE: 262.251.3800 • 800.558.8744

USA

CANADA

FAX: 262.251.1907

WWW

ALTO

SHAAM

COM

PRINTED IN U

Summary of Contents for ecosmart 20-120ES

Page 1: ...ARINE C O M B I T H E R M E L E C T R I C 20 20ESM TECH 03 08 W164 N9221 Water Street P O Box 450 Menomonee Falls Wisconsin 53052 0450 USA PHONE 262 251 3800 800 558 8744 USA CANADA FAX 262 251 1907 W...

Page 2: ...supplied to the customer SERVICE MODE AND ERROR CODES explains the special programming available to you as a technician to view status make adjustments and test functions Information is also included...

Page 3: ...e Manual 2 Introduction 4 1 Control Panel Identification 5 2 Preventive Maintenance 42 3 Service Mode and Error Codes 53 4 Troubleshooting Trees 61 5 Combitherm Parts 71 6 20 20 ES 77 20 20ES MARINE C...

Page 4: ...le on all models Core Temp Probe single point is standard on deluxe controllers MODES The Combitherm combination oven steamer is a multipurpose oven used for 20 20ES MARINE COMBITHERM ELECTRIC TE C H...

Page 5: ...Return to Main Table of Contents 3 S E C T I O N 1 C O N T R O L PA N E L I D E N T I F I C A T I O N COMBITHERM ELECTRIC TE C H N I C A L SE R V I C E MA N U A L 5 1 C O N T R O L PA N E L I D E N T...

Page 6: ...WN ARROW KEY MOISTURE VENT KEY START STOP KEY CHEF FUNCTION KEY TIME KEY COMBINATION MODE KEY RETHERM MODE KEY CONVECTION MODE KEY PROGRAM INSTALL EDIT KEY FUNCTION OPERATING CONTROL PANEL DISPLAY COR...

Page 7: ...own arrow key the up arrow key or the adjustment knob TIME KEY Used to set the required cooking time or recall the set cooking time in conjunction with the down arrow key the up arrow key or the adjus...

Page 8: ...in a timer probe or programmed cooking cycle in either convection mode or combination mode C REDUCED FAN SPEED This indicator will illuminate whenever the operator sets a reduced fan speed to protect...

Page 9: ...the up and down arrow keys or rotate the adjustment knob to select YES for the set up function PRESS THE CHEF FUNCTION KEY TO CONFIRM THE SET UP FUNCTION Press the up and down arrow keys or rotate th...

Page 10: ...rs and minutes and rotate the adjustment knob in each to adjust the numbers to the correct time PRESS THE CHEF FUNCTION KEY TO CONFIRM THE SET TIME D AT E Rotate the adjustment knob until the date sym...

Page 11: ...setting desired Press the down arrow key to save the new default setting PRESS THE CHEF FUNCTION KEY TO CONFIRM THE NEW DEFAULT SETTINGS COOKING MODE OVEN TEMPERATURE CORE TEMPERATURE COOKING TIME COM...

Page 12: ...ss symbol is highlighted within the display PRESS THE CHEF FUNCTION KEY TO CONFIRM THE NETWORK ADDRESS SELECTION The current network address will appear in the display Rotate the adjustment knob to se...

Page 13: ...IMPORTANT SAFETY PRECAUTIONS NOTE Automatic steam venting is a standard safety feature built into all Combitherm oven models This feature vents all steam from the oven compartment IMMEDIATELY BEFORE...

Page 14: ...rotate the adjustment knob to select the time desired or Set control for continuous operation by rotating the adjustment knob to the right until appears in the display TO COOK BY INTERNAL PRODUCT TEMP...

Page 15: ...etables after steaming Steam long grain rice using approximately 1 part rice to approximately 1 1 2 parts water or seasoned liquid Steam durum wheat noodles in unperforated pans using 1 part noodles t...

Page 16: ...KEY The cooking time will appear highlighted within the oven display Press the up and down arrow keys or rotate the adjustment knob to select the time desired or Set control for continuous operation...

Page 17: ...the same temperature used for a conventional oven Food browning in the Combitherm begins at a cooking temperature of approximately 248 F 120 C A higher cooking temperature results in heavier browning...

Page 18: ...ment knob to the right until appears in the display TO COOK BY INTERNAL PRODUCT TEMPERATURE PRESS THE CORE TEMP KEY The core temperature will appear highlighted within the oven display Press the up an...

Page 19: ...higher cooking temperature results in heavier browning but also results in greater product weight loss To achieve additional browning use the Moisture Vent Key or set the Browning Feature into the pr...

Page 20: ...he display TO COOK BY INTERNAL PRODUCT TEMPERATURE PRESS THE CORE TEMP KEY The core temperature will appear highlighted within the oven display Press the up and down arrow keys or rotate the adjustmen...

Page 21: ...ethermalization process during serving hours BANQUET RETHERMALIZATION Banquet rethermalization is designed for high volume full or partial load multiple plate reheating For maximum efficiency it is es...

Page 22: ...ure range of the cooking mode selected PRESS THE CORE TEMP KEY The core temperature will appear highlighted within the oven display Press the up and down arrow keys or rotate the adjustment knob to se...

Page 23: ...djustment knob to select the desired Delta T cooking temperature within the cooking temperature ranges shown below PRESS THE CORE TEMP KEY Press the up and down arrow keys or rotate the adjustment kno...

Page 24: ...s used P R E H E AT I N G THE PREHEATING FUNCTION IS ENGAGED IN THE CONVECTION MODE AT A FIXED TEMPERATURE AND TIME BOTH THE TEMPERATURE AND TIME CAN BE ADJUSTED BY THE OPERATOR TO COMPLY WITH THE REQ...

Page 25: ...cooking procedure Browning can be used for any product with a set cooking time more than 5 minutes Depending on the type of product and product load the browning feature may also slightly increase the...

Page 26: ...r temperature inside the oven compartment and not the interior walls of the oven Always make certain to allow the oven walls to cool to a minimum of 140 F 60 C before spraying the compartment with ove...

Page 27: ...peed indicator light will illuminate directly above the display PRESS THE START KEY The oven will start at a reduced fan speed in whatever cooking mode set by the operator R E D U C E D P O W E R ELEC...

Page 28: ...HE CHEF FUNCTION KEY THE DISPLAY WILL INDICATE ALL KEYS UNLOCKED SELECT AND PRESS THE FIRST CONTROL FUNCTION TO BE LOCKED The display will indicate LOCK If the wrong key has been selected and locked i...

Page 29: ...O L K E Y PA D B U T C A N B E P R O G R A M M E D T H R O U G H O P T I O N A L K I T C H E N M A N A G E M E N T S O F T WA R E PRESS THE CHEF FUNCTION KEY Rotate the adjustment knob until the steam...

Page 30: ...ENT KEY TO REDUCE STEAM AND MOISTURE LEVELS IN THE OVEN The illuminated blue portion of the Moisture Vent Key will go out Open vent symbol will illuminate within the display PRESS THE MOISTURE VENT KE...

Page 31: ...CORE TEMP KEY The time or core temperature will become highlighted within the display ROTATE THE ADJUSTMENT KNOB TO SELECT THE REQUIRED SETTING PRESS AND HOLD THE SECOND REQUIRED COOKING MODE FOR A P...

Page 32: ...ing by time as entered in the initial operational mode setup TO CHANGE THE STARTING TIME PRESS AND HOLD THE TIME KEY AND TURN THE ADJUSTMENT KNOB Rotate the adjustment knob to select the starting time...

Page 33: ...be recorded PRESS THE START KEY TO BEGIN THE FIRST RECORDED STEP When the cooking time has expired or the operator set internal temperature has been reached a buzzer will sound indicating the end of t...

Page 34: ...cter number or symbol required PRESS THE PROGRAM INSTALL AND EDIT KEY TO CONFIRM THE PROCEDURE NAME The display will indicate the first unoccupied memory location within the programmed menu If an alte...

Page 35: ...ECT AND PRESS THE SECOND REQUIRED COOKING MODE The display will indicate 02 02 indicating the second cooking mode step Set all cooking mode functions as indicated above PRESS THE PROGRAM INSTALL EDIT...

Page 36: ...lighted in the display PRESS THE PROGRAM INSTALL AND EDIT KEY The display will select an empty numbered location to insert the duplicate copy PRESS THE PROGRAM INSTALL AND EDIT KEY TO CONFIRM THE DUPL...

Page 37: ...e adjustment knob to select the auxiliary function required Press the chef function key to confirm the auxiliary function setting Press the down arrow key for each subsequent step of the procedure and...

Page 38: ...insertion PRESS THE CHEF FUNCTION KEY TO CONFIRM THE SELECTION All cooking modes will begin to flash Select and press the cooking mode to be inserted Press and set cooking temperature time or internal...

Page 39: ...ON KEY TO CONFIRM THE SELECTION All cooking modes will begin to flash Select and press the cooking mode to be appended Press and set cooking temperature time or internal core temperature Auxiliary fun...

Page 40: ...d i s p l a y P r e s s t h e u p a n d d o w n a r r o w k e y s o r r o t a t e t h e a d j u s t m e n t k n o b t o s e l e c t t h e d e l e t e s t e p s y m b o l PRESS THE CHEF FUNCTION KEY TO...

Page 41: ...UCH KEY The indicator light to the upper right of the selected Rapid Touch key will illuminate The oven will begin operating as programmed with the display indicating the name of the procedure the ste...

Page 42: ...T I O N 2 P R E V E N T I V E M A I N T E N A N C E COMBITHERM ELECTRIC TE C H N I C A L SE R V I C E MA N U A L 42 Routine Cleaning 43 General Flush 49 Decalcification 50 Return to Main Table of Cont...

Page 43: ...ompartment resulting in an oven that is inoperable MAKE CERTAIN THE DRAIN SCREEN IS ALWAYS IN PLACE REMOVE ANY SOLID WASTE MATERIAL FROM THE DRAIN SCREEN BEFORE IT ENTERS THE DRAIN SYSTEM The routine...

Page 44: ...but at the very least a minimum of once a day Always thoroughly rinse surfaces after using a cleaning agent and wipe standing water as quickly as possible after rinsing C L E A N I N G A G E N T S US...

Page 45: ...iping the probe cable and bracket with clean rinse water and a cloth 3 Wipe probe and probe bracket with disposable alcohol pad or sanitizing solution recommended for food contact surfaces 4 Allow pro...

Page 46: ...ar contacts Harmful or fatal if swallowed Do not breathe mist Use in well ventilated area Keep out of reach of children Do not use on aluminum Do not mix with anything but water THOROUGHLY RINSE EMPTY...

Page 47: ...ANING AND RINSE CYCLE DISPLAY WILL COUNT DOWN INDICATING TIME REMAINING IN THE CLEANING CYCLE After 10 minutes a buzzer will sound and Display will show Open Door Spray Cleaner Wearing safety glasses...

Page 48: ...or 5 minutes If power is lost or the unit is turned off during cleaning the unit will go into a Forced Rinsing mode when power is restored or unit is turned back on Once the Forced Rinsing is complete...

Page 49: ...LY WHEN THE STEAM GENERATOR FLUSH IS NOT PERFORMED AT THE START OF THE WORKING DAY WITH THE OVEN AT ROOM TEMPERATURE 1 Press the Power Switch to the OFF position Rotate the Steam Generator Drain Cap l...

Page 50: ...0 to 60 seconds a sufficient quantity of water will have drained from the steam generator so that the drain cap can be completely removed 3 Let the water continue to drain until the flow completely su...

Page 51: ...fresh water will begin to flush the steam generator ALLOW THE WATER TO RUN FOR 2 MINUTES to continue to flush out all remaining solution PRESS THE ON OFF POWER KEY TO THE OFF POSITION 8 Open oven doo...

Page 52: ...S E C T I O N 2 P R E V E N T I V E M A I N T E N A N C E COMBITHERM ELECTRIC TE C H N I C A L SE R V I C E MA N U A L 52 2 N O T E S...

Page 53: ...55 Emergency Operation 59 Return to Main Table of Contents 3 S E C T I O N 3 S E R V I C E M O D E A N D E R R O R C O D E S COMBITHERM ELECTRIC TE C H N I C A L SE R V I C E MA N U A L 53 3 S E R V...

Page 54: ...arrow to return to the parameter R38 Rotate the adjustment knob to scroll to another parameter C Number Menu The second menu the C Number Menu is where all sensor values are set These values are chan...

Page 55: ...rors R02 CTC 2 Multi Point Product Probe C02 Nom Cond Temp D02 Key Lock R03 CTC 3 Multi Point Product Probe C03 Fan on Cycle D03 Delete All Programs R04 CTC 4 Multi Point Product Probe C04 Fan off Cyc...

Page 56: ...robe Faulty or plugged solenoid valve assembly Wiring or connection issue E02 Control Temp High Activated if the temperature of the electrical control is higher than 176 F 80 C for 20 seconds Cooling...

Page 57: ...CTC sensor is damaged Hardware problem on control unit SM E23 Steam Gen Probe Fault Activated if the steam generator probe B 4 is interrupted Connection issue at B 4 probe Faulty B 4 probe E24 Bypass...

Page 58: ...6 Steam Temp High Activated when oven temperature probe N 6 measures a temperature in excess of 395 F 202 C when running in Steam or Combi mode Water supply is shut off while unit is running in Steam...

Page 59: ...R V I C E MA N U A L 59 S E R V I C E M O D E A N D E R R O R C O D E S E M E R G E N C Y O P E R AT I O N Error Code Display Shows ES Steam Mode Combination Mode Convection Mode Retherm Mode E01 Low...

Page 60: ...S E R V I C E M O D E A N D E R R O R C O D E S S E C T I O N 3 S E R V I C E M O D E A N D E R R O R C O D E S COMBITHERM ELECTRIC TE C H N I C A L SE R V I C E MA N U A L 60 N O T E S...

Page 61: ...No Heat in Convection Mode 67 No Steam Production in Combination Mode 68 No Convection Heat in Combination Mode 69 Motor Does Not Run When K 51 Motor Contactor Is Energized 70 Return to Main Table of...

Page 62: ...at terminals 62 64 66 at the F 10 fuses No Is there voltage across terminals 34 36 at the F 1 and F 2 fuse block Repair wiring issue between fuses and block Is there voltage across terminals 33 35 at...

Page 63: ...es No Is the door switch satisfied Check start button for free movement ensure no other control buttons are stuck No Yes Yes Yes No No Close door If closed check for faulty switch magnet or wiring Is...

Page 64: ...wer is missing at the coil Y 1 A 1 is L 1 switched from the relay board Y 1 A 2 is L 2 constantly fed from the 130 2 terminal Is the Y 1 solenoid being energized No Yes Yes No Yes Yes No No Replace fa...

Page 65: ...1 A 2 is L 2 constantly supplied from the 130 terminal K 2 A 1 is L 1 switched from X 1 pin 6 on the relay board K 2 A 2 is L 2 constantly supplied from K 1 A 2 130 terminal Are the K 1 2 3 contactor...

Page 66: ...down and test again Is the generator full and the B 1 B 2 satisfied See No Generator Fill Test for coil voltage at the contactor s K 1 A 1 is L 1 switched from X 1 pin 2 on the relay board K 1 A 2 is...

Page 67: ...etermine which leg is missing and correct A 1 is L 1 supplied to K 41 from X 1 pin 1 on the relay board A 1 is L 1 and is supplied to K 42 from X 1 pin 7 on the relay board A 2 is L 2 and is supplied...

Page 68: ...r coil voltage at the contactor s K 1 A 1 is L 1 switched from X 1 pin 2 on the relay board K 1 A 2 is L 2 constantly supplied from the 130 terminal K 2 A 1 is L 1 switched form X 1 pin 6 on the relay...

Page 69: ...from X 1 pin 4 on the relay board A 2 is L 2 supplied from A 2 on K 52 which is being fed from the 130 1 terminal block See Motor Does Not Run When K 51 Motor Contactor Is Energized Check for coil vol...

Page 70: ...Is there voltage across terminals 2 4 6 at F 52 MP switch Repair wiring issue between fuses and motor protection switch 1 Reset tripped switch start button in 2 Test again If still no voltage replace...

Page 71: ...xe Control 74 Combitherm Motor 75 For model specific parts see Parts Information for 20 20 ES 77 Return to Main Table of Contents 3 S E C T I O N 5 C O M B I T H E R M PA R T S COMBITHERM ELECTRIC TE...

Page 72: ...E MA N U A L 72 1 2 3 4 5 6 7 10 11 8 9 S E R V I C E PA R T S Item Description 20 20 ES 1 Clamp CM 22794 2 Hose 1 7 8 Dia HO 27891 3 Hose HO 2957 4 Pump Bracket 1000719 5 Plumbing Probe PB 26512 6 H...

Page 73: ...R A S S E M B LY 1 2 3 4 O V E N L I G H T 1 2 3 4 5 Item Part Description Qty 1 PB 26960 Hand Shower Holder 1 2 WS 22295 Flat Washer 4 3 WS 22301 Locking Washer 4 4 SC 22766 Philips Screw 4 Item Part...

Page 74: ...Part Description Qty 1 PE 27215 Panel Overlay Deluxe 1 2 5006868 Control Panel Spot 1 3 BU 25094 Bushing CT ML Brass Distance 12 4 BA 33991 Board CT Alto Shaam Name MLG s 1 5 NU 25095 Knurled M3 High...

Page 75: ...O R 1 2 3 4 5 6 7 Item Part Description Qty 1 WS 22217 1 25 OD Washer 1 2 BU 22213 Bushing CT 30D Motor Shaft 1 3 SD 23939 Spring 1 4 1000716 Motor Baffle 1 5 SL 22214 Motor Sleeve 1 6 5000602 Motor...

Page 76: ...N O T E S S E C T I O N 5 C O M B I T H E R M PA R T S COMBITHERM ELECTRIC TE C H N I C A L SE R V I C E MA N U A L 76 PA R T S I N F O R M AT I O N...

Page 77: ...l Panel Assembly 82 Steam Generator Assembly 83 Wiring Diagrams 84 440 480V 3PH 50 60 Hz Ladder Diagrams 85 440 480V 3PH 50 60 Hz Return to Main Table of Contents 3 S E C T I O N 6 2 0 2 0 E S M A R I...

Page 78: ...ADDITIONAL WIRE SHELVES REQUIRED FOR MAXIMUM CAPACITY INSTALLATION REQUIREMENTS Oven must be installed level Hood installation is required Water supply shut off valve and back flow preventer CLEARANC...

Page 79: ...A 26890 Seal Pressure Valve 2 VA 26838 Vent Assembly 3 HO 27891 Hose Air Intake 4 CL 22234 Clamp Worm Gear 5 TE 24257 Fitting 6 EB 27207 Elbow 7 HO 22255 Hose 8 HO 27301 Hose Hand Shower Connection 9...

Page 80: ...1 26 1009232 Front Bracket 1 27 5008447 Trolley Assembly 1 28 1009236 Trolley Cover 1 29 SC 26060 Screw M5 x 16 Hex Head 5 30 WS 22301 Washer M5 Split Lock 5 31 WS 22295 Washer Flat 5 Item Part Descr...

Page 81: ...3 SA 25061 CT T Couple Probe 2 4 PR 33751 CT Thermocouple 3050 mm Wire Length 2 5 5000284 Inject Nozzle Condensor Weld 1 6 SA 22209 O Ring 8 x 3 mm V75 Vitan 75 Durometer 1 7 PB 26512 Measure Probe 1...

Page 82: ...M A R I N E COMBITHERM ELECTRIC TE C H N I C A L SE R V I C E MA N U A L 82 D I R E C T I O N A L PA N E L A S S E M B LY Item Part Description Qty 1 1007008 Directional Panel 1 2 CL 24089 Holding Lo...

Page 83: ...24 CT Thermocouple 1650 mm Wire Length 1 4 EL 33411 CT Heater Combi Immersion 9kw Flanged 2 5 WS 22302 Washer M6 DIN 127B 9 6 WS 22297 Washer M6 DIN 125 9 7 NU 22291 M6 1 0 x Hex S S Nut 18 8 9 8 PR 3...

Page 84: ...SE C T I O N 6 20 20ES M A R I N E COMBITHERM ELECTRIC TE C H N I C A L SE RV I C E MA N U A L 84 WIRING DIAGRAM...

Page 85: ...SE C T I O N 6 20 20ES M A R I N E COMBITHERM ELECTRIC TE C H N I C A L SE RV I C E MA N U A L 85 LADDER DIAGRAM...

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