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CET-16 Service Manual Page 95

Figure 6-14. SteamCraft V Schematic Diagram, 4-Wire WYE Connection

Printed 4/90

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Содержание SteamCraft V

Страница 1: ...990 Cleveland Range UNITED STATES CANADA 1333 East 179th St Cleveland Ohio 44110 8251 Kelle St Concord Ontario Canada L4K 1Z1 Phone 216 481 4900 Telex 98 0546 Phone 416 660 4747 Fax 416 660 4492 Fax 2...

Страница 2: ...g Damage Instructions 14 Assembly 14 Install The Steam Generator Cover 14 Install The Fan Guard 14 Install The Slide Racks 15 Install The Water Strainer 15 Position and Level SteamCraft V 16 Connect E...

Страница 3: ...IMED Cooking 43 MANUAL Cooking 43 SHUT DOWN At end of day or shift 43 CHAPTER 4 PREVENTATIVE MAINTENANCE AND TROUBLSHOOTING 47 INTRODUCTION 47 MAINTENANCE RECORDS 47 DAILY MAINTENANCE 47 WEEKLY MAINTE...

Страница 4: ...Troubleshooting 64 WATER LEVEL PROBES 64 Set Point 64 Water Level Control Testing 65 Flood Probe Control Circuit 65 Water Level Probe Control Circuit 65 Low Water Level Control Circuit 66 TEMPERATURE...

Страница 5: ...Page 0 CET 16 Service Manual Figure 1 1 SteamCraft V Counter Type Convection Steamer Printed 4 90...

Страница 6: ...sign information The right half of the number contains the manufacturing date and the unit of the manufacturing lot The date of our sample number is July 1989 89 1989 G July 02 the second unit of the...

Страница 7: ...iew and Preparation For Installation Responsibility for feed water quality and its testing as described in Preparation for Installation Water Quality WARNING DEATH INJURY AND EQUIPMENT DAMAGE could re...

Страница 8: ...comply with these codes In no event shall the manufacturer assume any liability for damage or injury resulting from installations which are not in strict compliance with the Installation Instructions...

Страница 9: ...The steamer MUST be electrically grounded by the Installer 4 Untreated cold water connection 1 4 NPT Steam Generator and Condenser supply for units without water treatment system Condenser supply for...

Страница 10: ...bes and solenoid valves Of equal importance is the toss of energy efficiency due to line or scale buildup In these areas either a Steamer Gard water treatment system must be installed or time frequenc...

Страница 11: ...When selecting an operating location for the SteamCraftV observe the following criteria The SteamCraft V takes up a minimum of counter space Figure 2 4 illustrates the dimensions and clearances requi...

Страница 12: ...of approximately 150 pounds to include the weight of water and food The SteamCraft V has capacity for five 12 x 20 x 2 5 Cafeteria Pans model SP 25 or PP 25 Convenient storage for these pans and thei...

Страница 13: ...ith local codes and or the National Electric Code ANSI NFPA No 70 1990 USA 2 In Canada install the electrical power lines in accordance with local codes and or the Canadian Electrical Code CSA Standar...

Страница 14: ...ly fines observe the following instructions 1 Always connect a COLD water supply to the condenser steam gener ator connection item 4 figure 2 1 If hot or warm water is supplied to this connection the...

Страница 15: ...a back pressure or a vacuum within the SteamCraft V Backpressure will cause steam and hot water leakage around the door A vacuum will implode the steamer Furnishing and plumbing the drain lines is th...

Страница 16: ...umulative length of pipe and or number of elbow fittings required to reach the open drain If the drain outlet extension requires six feet or less of pipe and no more than two elbows are required use 1...

Страница 17: ...carton sides away from the SteamCraft V 3 Open the door of the SteamCraft V and remove the package of unassembled parts This package contains the four parts illustrated in figure 2 8 Check that all f...

Страница 18: ...g to the following instructions Install The Steam Generator Cover 1 Refer to figure 2 10 and hold the steam generator cover with the short handle to the left and the long handle to the right The print...

Страница 19: ...top pins then hook the bottom loops over the two bottom pins 4 Repeat steps 1 through 3 for the other rack Install The Water Strainer As illustrated in figure 2 l3 the water strainer is supplied with...

Страница 20: ...ll Preparation Tasks are complete Check that all Unpacking and Assembly tasks are complete 2 Looking at the counter where the SteamCraft V will be placed estimate the location of the four corners that...

Страница 21: ...to the electrical conduit access note figure 2 15 See Canadian Wiring Considerations below 4 The terminal block and ground connection are near the left side of the rear opening The unit has either a...

Страница 22: ...ing to Water Supply Lines page 10 and figure 2 2 verify that the water supply line has been extended to the SteamCraft V properly Connect the supply line to the SteamCraft V as described below 1 If th...

Страница 23: ...tached to the tee and bulkhead coupling inside the steamer Verify that the steam generator supply outlet of the tee has been securely capped 5 Flush the water supply line before connecting it to the s...

Страница 24: ...ing 6 Apply pipe dope or teflon tape to the threads of the treated water supply fine and securely connect the supply fine to the steam gener ator intake bulkhead coupling 7 Turn on the treated water s...

Страница 25: ...raft V The test also verifies basic operation of the steamer For a more complete test of the SteamCraft V functions perform the Function Test on page 23 Setup 1 Refer to Assembly page 14 and verify th...

Страница 26: ...pad The red light above POWER and the WATER alarm light turn on Water begins to fill the steam generator The low water indicator WATER remains on until the steam generator is filled with enough water...

Страница 27: ...r win turn on and start generating steam 5 Open the steamer door The compartment should again be filled with steam 6 It necessary repeat this test to be sure the steam shuts off when the door opens an...

Страница 28: ...nd Check Out procedures If the checkout has been unsatisfactory or a more thorough inspection is required perform the following Function Test procedures Flow Leak and Flood Test 1 Do not remove the co...

Страница 29: ...d drain Check for water leakage at pipe joints and tube connections or unions Wait for a few minutes then look for water leaking from the steam generator Repair any leaks before continuing 5 As illust...

Страница 30: ...rs and fan motor turn on 3 Check for condenser water flow from the drain 4 Open the steamer door The condenser valve three heaters one contactor and fan motor turn off 5 Set a magnet over the door swi...

Страница 31: ...8 8 The TIME DISPLAY counts down to 00 an alarm beeps four times and the TIME DISPLAY flashes 00 9 The heaters fan and condenser valve turn off 10 Press the TIMED touch pad 6 to stop displays 11 Set...

Страница 32: ...he checkout has been unsatisfac tory or a more thorough inspection is required perform the following Function Test procedures Flow Leak and Flood Test 1 Do not remove the control panel unless it is ne...

Страница 33: ...er and drain Check for water leakage at pipe joints and tube connections or unions Wait for a few minutes then look for water leaking from the steam generator Repair any leaks before continuing 5 As i...

Страница 34: ...he control panel Differences in heater outputs are observed daring this procedure To emphasize these differences start this procedure with cold water in the steam generator it may be necessary to drai...

Страница 35: ...pad 2 The heaters fan and condenser valve turn on 15 Pressing MANUAL overrides the timer Unit will remain unopened until the MANUAL touch pad is pressed again Automatic timer can be used during MANUAL...

Страница 36: ...SteamCraft V will require minimum servicing if it is properly operated and maintained by trained personnel The following steps will help keep the steamer in good condition 1 Conduct regular steamer in...

Страница 37: ...IMESET The left and right TIME SET touch pads set the DIGITAL TIME DISPLAY A maximum of 99 minutes can be programmed using the left and right TIME SET touch pads 4 TIME SET 10 Minute Left The left TIM...

Страница 38: ...tor fills to the proper level 9 DIGITAL TIME DISPLAY The DIGITAL TIME DISPLAY shows cooking time When MANUAL cooking is selected the TIME DISPLAY counts up from 00 so the operator can watch elapsed ti...

Страница 39: ...TIME DISPLAY A maximum of 99 minutes can be programmed using the left and right TIME SET touch pads 4 TIME SET 10 Minute Left The left TIME SET touch pad sets the DIGITAL TIME DISPLAY in 10 minute seg...

Страница 40: ...tor fills to the proper level 9 DIGITAL TIME DISPLAY The DIGITAL TIME DISPLAY shows cooking time When TIMED cooking is selected the TIME DIS PLAY counts down from the time set using the left and right...

Страница 41: ...rneath the steamer near the leftft rear comer see figure 3 3 Push the handle to the right to dose the dram valve Pull the handle toward the front of the steamer to open the drain valve The drain valve...

Страница 42: ...DIGITAL TIME DISPLAY flashes 00 and a signal beeps four times TIMED MODE After S N WC 9018 90A 05 TIMED mode is used when the operator wishes to set the timer for a specific length of cooking time fo...

Страница 43: ...is done 1 Pressing the MANUAL touch pad starts steamer manual cooking The green light above the touch pad tuns on 2 When correct cooking time has elapsed pressing the MANUAL touch pad a second time st...

Страница 44: ...roper level If the FLOOD or WATER alarm does not turn off when the water level is corrected 1 Open the drain valve 2 Wash out the steamer compartment and steam generator 3 Descale the steam generator...

Страница 45: ...er PP 2 5 This gives the best heat transfer and shortest cooking time for the food 5 Select either TIMED or MANUAL cooking Refer to TIMED and MANUAL cooking instructions that follow WARNING SEVERE BUR...

Страница 46: ...touch pad turns on 3 Food starts cooking 4 At end of cooking time press the MANUAL touch pad again The green light above the touch pad turns off 5 Carefully open steamer door and remove food This proc...

Страница 47: ...dishwasher according to health requirements 5 Before draining while water is still warm use a very soft brush to brush down the probes generator walls and elements to remove accumulated scale before i...

Страница 48: ...gain Clogged or slow drains are dangerous because hot water may spill out when compartment doors are opened during or after a cooking cycle 9 Wipe the exterior a damp cloth only Do not hose down equip...

Страница 49: ...warm brush the generator out with a very soft brush going over the probes elements and sides This removes scale before it hardens and prevents scale buildup Drain the steam generator at least twice a...

Страница 50: ...creen and drain line are not blocked Pour USDA approved drain cleaner through drain once a week 2 Inspect for steam generator scale weekly The frequency of steam generator descaling depends upon water...

Страница 51: ...properly Follow these basic safety rules for handling and using acid Wear protective clothing when mixing or apply ing chemical cleaners Wear rubber gloves mask and approved cup type goggles Avoid br...

Страница 52: ...rator so cover will also be descaled 10 Leave acid in the steam generator for at least 1 1 2 hours Full descaling may take several hours depending upon the amount of scale buildup If add is consumed b...

Страница 53: ...te 3 Unit may need new flood probe retrofit kit Contact service representative Water solenoid or controls inoperative Turn electricity and water off and refer to note 1 Steam coming from drain hub Wat...

Страница 54: ...level cooking Extend cooking times for altitudes above 2500 feet Cabinet bottom dirty with food drippings Juices and or food leaking from perforated trays Put a solid tray under perforated trays to ca...

Страница 55: ...tructions in Chapter 3 Operation 4 Repairs to external wiring should be done by a Licensed Electrician 5 Repairs to external plumbing should he done by a Licensed Plumber 8 Proper installation of the...

Страница 56: ...Page 54 CET 16 Service Manual Figure 5 1 Block Diagram Printed 4 90...

Страница 57: ...r element The 120 VAC circuit draws its power from the 120 VAC secondary windings of the transformer This circuit supplies power to contactors and solenoids which control high voltage and water flow T...

Страница 58: ...own transformer most be wired in paraIlel 2 For operation at 440 480 VAC the primary windings of the stepdown transformer must be wired in series 3 Steam generator and fan heater elements are availabl...

Страница 59: ...CET 16 Service Manual Page 57 Figure 5 2 Control Board Printed Circuit Board Printed 4 90...

Страница 60: ...the resistance of the beater element and compare the results to the values in Tables 5 1 and 5 2 for the particular part number being tested 5 When testing an element known to be good it is possible...

Страница 61: ...k power from the control board to the front or rear contactors energized measure the voltage 120 VAC nominal across the ter minals at the contactor The exposed contactor terminalsor the capacitor lead...

Страница 62: ...energizes during standby steaming cycles The SteamCraft V operates in standby anytime the steamer has been ener gized by pressing the POWER switch on the front panel the door is closed and the water...

Страница 63: ...s connection to protect it from moisture and to maintain its secure contact with the control board If CON 1 must be disconnected to test the switch panel take care when reinserting the connector so th...

Страница 64: ...mity switch activated by a magnet mounted inside the compartment door The control circuitry prevents operation of heater elements and the condenser solenoid valve while this snitch is open door open T...

Страница 65: ...temperature to drop below the switch set point the switch prevents the timer from starting its countdown until the compartment temperature rises and the switch closes Also if the door opens during a...

Страница 66: ...the rear contactor starts to cycle OFF and ON After the compartment heats up and the switch closes turn the steamer OFF and open the steamer door The switch should open within 2 minutes If the switch...

Страница 67: ...l Testing To test the operation of water level sensing functions use a multimeter or ohmmeter and a 100 000 ohm potentiometer to check resistance Refer to test procedures below for function to be test...

Страница 68: ...2 Refer to me wiring diagram see Table 6 1 Disconnect the black wire from the low water level probe probe nearest rear 3 Using a meter set the resistance of the potentiometer to 20 000 Ohms 4 With pr...

Страница 69: ...er for set point adjustment Replacement of either thermoistor the control board requires calibration of BOTH temperature control circuits The operation of both the generator temperature adjustment cir...

Страница 70: ...se temperature Set the control so the water temperature remains approximately l90 F Being careful not to contact the heater elements measure the water temperature with a thermometer Drain Temperature...

Страница 71: ...gative temperature coefficient thermistor decreases as temperature increases To test a thermistor connect an ohmmeter to the thermistor leads and observe the changes in resistance as the thermistor is...

Страница 72: ...This assembly contains the latest version of toe control panel Once this is installed the unit will operate in the same manner as all units after serial number WC 9018 90A 05 Figure 6 1 identifies the...

Страница 73: ...Page 72 CET 16 Service Manual Figure 6 1 MAJOR COMPONENT GROUPS...

Страница 74: ...ess Panel 1 2 19148 Screw Panel Mounting 6 3 101622 Decal Drain Specification 1 4 101795 Decal Electrical Schematic Standard US Units 1 101966 Decal Electrical Schematic 4 Wire Connection 1 101966 Dec...

Страница 75: ...nual Figure 6 3 STEAMER COMPARTMENT GROUP Item Part No Description Quantity 1 Circular Oven Element Assembly See Figure 6 7 For Parts 1 2 101436 Cover Fan 1 3 414232 Rack Slide 2 4 1012881 Cover Steam...

Страница 76: ...5 18357 Pop Rivet Mounting Internal Door Plate 12 COMPARTMENT DOOR HINGE ASSEMBLY 6 101357 Bracket Compartment Door Hinge 1 7 101334 Screw 10x32 Pan Head 2 8 101355 Rod Compartment Door Hinge 1 9 101...

Страница 77: ...1 3 102411 Door Inner 1 4 101401 Gasket Inner Door 1 5 102513 Washer Rat 2 6 19923 Pin Mounting Inner Door 2 7 102000 Hinge Door Top 1 8 102001 Hinge Door Bottom 1 9 101334 Screw 10 x 32 Pan Head 2 DO...

Страница 78: ...Switch and Control Board 1 4 Membrane Switch 1019301 1 5 Printed Circuit Board Control Panel PCB 101606 1 6 Magnet Compartment Door Sensor 101684 1 7 Bracket Magnet Mounting 101710 1 8 Nut 8 x 32 Hex...

Страница 79: ...ing 1 THERMOSWITCH ASSEMBLY 13 101543 Thermoswitch Snap Disc 1 14 101643 Nut Mounting Thermoswitch 2 15 23111 Washer Star 2 THERMAL SENSOR ASSEMBLY 16 101508 Sensor Thermal 1 17 102348 Bracket Mountin...

Страница 80: ...CET 16 Service Manual Page 79 Figure 6 6 ELECTRICAL COMPONENTS ASSEMBLY Printed 4 90...

Страница 81: ...01235 208 240V Single Phase 1012351 440 480V Single Phase 9 102264 Seal Motor Shaft 1 10 19288 Bolt Motor Mounting 4 11 23105 Lockwasher 4 12 101676 Bolt Fan to Motor Mounting 1 13 23106 Lockwasher 1...

Страница 82: ...CET 16 Service Manual Page 81 Figure 6 7 FAN ASSEMBLY Printed 4 90...

Страница 83: ...1320 Stud Threaded Mounting 10 32 1 10 102424 Duckbill 1 11 14497 Nozzle Condenser Brass 1 12 06231 Fitting 1 4 tube x 1 8 FPT 90 Brass 1 13 14401 Nipple Pipe Drain Extension 1 1 4 LP S x 9 5 1 14 202...

Страница 84: ...CET 16 Service Manual Page 83 Figure 6 8 CONDENSER AND DRAINAGE SYSTEMS Printed 4 90...

Страница 85: ...er Heater 515 I D Zinc PL 8 9 101308 Nut Hex Brass 1 4 20 8 10 1013121 Spacer Heating Element 1 11 14677 Nut Acorn 1 4 20 S S 1 12 102519 LOW WATER PROBE ASSEMBLY 1 13 1022532 Probe Weldment Assembly...

Страница 86: ...CET 16 Service Manual Page 85 Figure 6 9 STEAM GENERATOR ASSEMBLY Printed 4 90...

Страница 87: ...ression rating 1 4 MPT 4 11 22218 Valve Condenser Solenoid 1 4 120V 1 12 1024862 Tubing Condenser 24 13 102431 Coupling Assembly Bulkhead 1 4 Female 1 14 Adapter Coupling 1 15 Nut Coupling Retainer 1...

Страница 88: ...CET 16 Service Manual Page 87 Figure 6 10A DOUBLE WATER INLET ARRANGEMENT Printed 4 90...

Страница 89: ...Insert 1 4 Tubing 8 10 1024862 Tubing Condenser 24 11 06214 1 4 Tube 90 Compression Fitting 1 4 MPT 4 12 22218 Valve Condenser Solenoid 1 4 120V 1 13 1024862 Tubing Condenser 24 14 1024862 Tubing 1 4...

Страница 90: ...CET 16 Service Manual Page 89 Figure 6 10B SINGLE WATER INLET ARRANGEMENT Printed 4 90...

Страница 91: ...ube 90 Compression Fitting 1 4 MPT 4 12 22218 Valve Condenser Solenoid 1 4 120V 1 13 1024862 Tubing Condenser 24 14 16619 Fitting 1 4 Plug 1 15 102431 Coupling Assembly Bulkhead 1 4 Female 1 16 Adapte...

Страница 92: ...CET 16 Service Manual Page 91 Figure 6 10C DOUBLE WATER INLET ARRANGEMENT WITH STEAMERGARD Printed 4 90...

Страница 93: ...Page 92 CET 16 Service Manual Figure 6 11 SteamCraft V Wiring Diagram 3 Wire DELTA Connection Printed 4 90...

Страница 94: ...CET 16 Service Manual Page 93 Figure 6 12 SteamCraft V Schematic Diagram 3 Wire DELTA Connection Printed 4 90...

Страница 95: ...Page 94 CET 16 Service Manual Figure 6 13 SteamCraft V Wiring Diagram 4 Wire WYE Connection Printed 4 90...

Страница 96: ...CET 16 Service Manual Page 95 Figure 6 14 SteamCraft V Schematic Diagram 4 Wire WYE Connection Printed 4 90...

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