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Model 21 -CET-8 Service Manual

• This equipment is designed and certified for safe operation only

when permanently installed in accordance with local and/or national
codes. Many local codes exist, and it is the responsibility of the
owner and installer to 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 and the codes cited
above. Specifically, the manufacturer will not assume any liability for
damage or injury resulting from improper installation of equipment,
including, but not limited to, temporary or mobile installations.

INSTALLATION OVERVIEW

Schematic Installation Diagram, Figure 2-1, illustrates the various drain,
electrical, and water lines required; and their connection points on the
SteamCraft 3.1. Table 2-1, Installation Check List, outlines the overall
installation process in a recommended sequence; the instructions refer-
enced provide details. Installation requirements may vary from site to
site; adapt the check list accordingly.

Table 2-1. Installation Check List

TASK

PAGE

REFERENCE

COMPLETED

Preparation

Check Electric Power Requirements

6

Test Supply Water Quality

7

Select Water Supply System

7

Install Water Treatment System

7

Select Operating Location

7

Installation

Unpack And Inspect SteamCraft 3.1

9

Position And Level Steamer

10

Install And Connect Drain Line

14-16

Install And Connect Electrical Lines

16-18

Install And Connect Water Supply Lines

18-21

Test Water Supply Lines

21

Perform Final Setup And Checkout

22

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Содержание steamcraft 21-CET-8

Страница 1: ...Cleveland Range SteamCraft 3 1 COUNTER TYPE CONVECTION STEAMER SERVICE MANUAL Model 21 CET 8 Printed 12 90 Cts 01 ...

Страница 2: ...ply with applicable standards for manufacturers including UL A G A NSF ASME Ntl Bd CSA CGA ETL and others BOILER Steam Generator MAINTENANCE IS THE RESPONSIBILITY OF THE OWNER USER AND IS NOT COVERED BY THIS WARRANTY The use of good quality feed water is the responsibility of the Owner User see Water Quality Requirements below THE USE OF POOR QUALITY FEED WATER WILL VOID EQUIPMENT WARRANTIES Boile...

Страница 3: ... must supplement this guide with any additional actions consistent with the operation of steam generating food preparation equipment by a trained professional Warranty Protection Table SUBJECT PAGE REFERENCE Electrical Power Requirements and Line Voltage 6 and 17 Water Quality Requirements and Analysis 6 Water Pressure 18 Vented Drain 14 Level Operation 10 Blowdown Frequency 41 and 52 Steam Genera...

Страница 4: ...ions 10 Position and Level The Steam Craft 3 1 10 Leg Mounting and Leveling 10 Surface Mounting and Leveling 11 Stand Mounting and Leveling 12 Install Slide Racks 14 Install the Free Air Vented Drain Lines 14 Connect Drain Line 16 Install Electric Power Lines 16 Connect Electrical Line 17 Install Water Supply Lines 18 Connect Water Supply Lines 20 General Connection Requirements 21 Untreated Water...

Страница 5: ...39 Temperature Compensation 39 Manual Cooking Procedure 40 Power OFF Automatic Blowdown 41 Blowdown Frequency 41 Blowdown Procedure 42 Shut Down and Cleaning At end of day or shift 42 DIAL TIMER CONTROL PANEL SUMMARY 44 COOKING OPERATIONS DIAL TIMER CONTROL PANEL 44 Manual and Timed Modes 46 Main Power Switch 46 Power ON Automatic Fill 46 Inspect the Cooking Compartment 47 Preheating the SteamCraf...

Страница 6: ...rcuit Operation 64 TIMED Mode Circuit Operation 67 Electronic Key Pad Timer Units 68 Mechanical Dial Timer Unit 68 Shutdown Steam Generator Blowdown and Float Cylinder Rinse 68 ELECTRICAL CIRCUIT COMPONENTS 70 Terminal Block 4 Figure 6 7 70 Heater Element 4 Figure 6 9 70 Dryer Element 7 Figure 6 8 71 Fuses 8 Figure 6 7 71 ON OFF Switch 10 Figure 6 5 71 TIMED MANUAL Switch 11 Figure 6 5 72 Relay 72...

Страница 7: ...s 79 Thermostatic Snap Switches 79 Heater Element 80 Resistance Measurements 80 Insulation Resistance Measurements 80 Voltage Measurements 80 COMPONENT TEST PROCEDURES 81 Initial Conditions For All Testing 81 Fuses 81 Transformer 82 ON OFF Switch 83 Relay K1 83 Fill Solenoid Valve 84 3 Minute Timer 85 Drain Solenoid Valve 86 Rinse Solenoid Valve 87 Condenser Solenoid Valve 88 TIMED MANUAL Switch 8...

Страница 8: ...e Manual Page v Table of Contents continued CHAPTER PAGE CHAPTER 6 ILLUSTRATED PARTS LISTS 101 INTRODUCTION 101 Parts Differences Among SteamCraft 3 1 Steamers 101 Electrical Schematics and Wiring Diagrams 101 Printed 12 90 ...

Страница 9: ......

Страница 10: ...or com ponents SERIAL NUMBER During manufacture SteamCraft 3 1 s are assigned individual serial numbers A typical SteamCraft 3 1 serial number is WC 7350 90G 02 The left half of the number carries design 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 90G 02 90 1990 G July 02 the second unit of the manu...

Страница 11: ...irements as described in Preparation for Installation Electric Power Requirements Responsibility for feed water quality and its testing as described in Preparation For Installation Water Quality Requirements WARNINGDEATH INJURY AND EQUIPMENT DAMAGE WARNING DEATH INJURY AND EQUIPMENT DAMAGE could result from improper installation of the SteamCraft 3 1 or from installation of a unit damaged during s...

Страница 12: ...ERVIEW Schematic Installation Diagram Figure 2 1 illustrates the various drain electrical and water lines required and their connection points on the SteamCraft 3 1 Table 2 1 Installation Check List outlines the overall installation process in a recommended sequence the instructions refer enced provide details Installation requirements may vary from site to site adapt the check list accordingly Ta...

Страница 13: ...SteamerGard system is recommended when water quality does not meet the Table 2 2 requirements 6 A manual shut off valve must be installed between the main water supply and the steamer supply lines Refer to figures 2 18 and 2 19 for the recommended component arrangements 7 Run a single water line between the main cold water supply and the tee The separate steam generator and condenser blowdown supp...

Страница 14: ...water is low in Total Dissolved Solids TDS and free of paniculate matter the steam generator heating element and valves of the SteamCraft 3 1 will give years of trouble free service with a minimum of maintenance In some areas even potable tap water contains a variety of impurities that can cause costly problems in steam generating equipment Of primary concern are mineral salts and other impurities...

Страница 15: ... fine water system can be installed A single water line system is illustrated in Figure 2 18 on page 18 If analysis shows that the supply water is NOT within the required limits install a SteamerGard water treatment system Figure 2 19 on page 19 illustrates a treated water supply arrangement If analysis shows that the supply water is NOT within the required Limits and it is not possible to install...

Страница 16: ... 4 The SteamCraft 3 1 weighs approximately 135 pounds The counter area selected must be capable of supporting an operating weight of approximately 175 pounds to include the weight of water and food 5 The SteamCraft 3 1 has capacity for three 12 x 20 x 25 Cafeteria Pans model SP 25 or PP 25 Convenient storage for pans should be considered when selecting the operating location 6 Do not block the ven...

Страница 17: ...e unit Be careful not to damage or throw away these unassembled parts 3 Remove the carton from the top of the unit The package contains two slide racks as illustrated in Figure 2 5 These racks are shipped in separate packing on top of the unit 4 The SteamCraft 3 1 adjustable legs are also shipped on top of the unit in pockets at the edges of the packing Refer to Figure 2 6 5 Open the door of the S...

Страница 18: ...ter is not available the unit can be secured to a Cleveland Range ES 2130 Equipment Stand The following instructions cover each of these mounting methods CAUTION Malfunctions and equipment damage may result from improper mounting Malfunctions and or damage resulting from improper mounting are not covered by the equipment warranty The SteamCraft 3 1 MUST BE LEVEL BOTH FRONT TO BACK AND SIDE TO SIDE...

Страница 19: ...nd install the slide racks Printed 12 90 Figure 2 8 Counter Top Mounting Holes Surface Mounting and Leveling When a SteamCraft 3 1 is surface mounted without legs NSF standards require a sanitary counter top seal between the counter surface and the bottom of the unit This seal closes any gap between the unit and counter top A sanitary seal closing a gap greater than 1 4 inch may not meet NSF sanit...

Страница 20: ... leaving enough play for leveling the unit and sealing the mounting holes 6 Do not shim at the highest comer marked in step 2 Shim the other three comers until the unit is level both front to back and side to side 7 Inject enough silicone sealant into each mounting hole in the counter to seal the bole as the hardware is tightened 8 Tighten the mounting hardware enough to secure the unit in place b...

Страница 21: ... to the Unpacking and Inspection instructions on page 9 and unpack the equipment stand NOTE If there is not enough clearance behind the stand and steamer to install the drain electrical and water lines skip the remainder of this procedure and go to page 14 Install the Free Air Vented Drain Lines After installing all necessary drain electrical and water lines proceed with step 2 of these instructio...

Страница 22: ...result from improper installation of the drain outlet lines Improper installation of these lines could void the SteamCraft3 1 warranty The following restrictions are critical to the safety of personnel and equipment and must not be violated under any circumstances Do not connect the drain line into PVC pipe or any other drain material that cannot sustain 180 F Do not connect drains from any other ...

Страница 23: ... the Food Service Sanitation Manual of the Food and Drug Administration FDA 2 The total length of pipe and number of bend fittings required to reach the open drain determines the pipe size used to extend the drain line to an open drain If the drain outlet extension requires six feet or less of pipe and no more than two elbows are required use 1 1 4 inch pipe and fittings If the drain outlet extens...

Страница 24: ...following instructions 1 In the United States install the electrical power lines in accordance with 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 Standard C22 1 Canada 3 Install the proper size disconnect switch circuit breaker or fuses and wire and conduit...

Страница 25: ...k of the unit refer to Figure 2 2 Table 2 3 Minimum Wire Requirements VOLTS KILO WATTS AMPS 1 Phase AMPS 3 Phase HEATER OHMS COIL DRYER OHMS WIRE SIZE 208 8 5 40 9 24 6 16 2 87 6 10 220 7 22 32 8 19 6 21 6 115 6 10 240 8 5 35 4 21 3 21 6 115 6 10 440 7 22 9 8 86 4 460 14 480 8 5 10 7 86 4 460 12 380 8 5 13 5 54 279 12 415 8 5 123 65 344 12 Use solid copper wire rated for 75 C wet location Connect ...

Страница 26: ...lways connect a cold water supply to the SteamCraft 3 l water supply lines DO NOT USE HOT WATER The steamer will not function property or within design safety limits if hot or warm water is supplied to cither the condenser connection or the steam generator fill connection 2 Supply water must have a minimum dynamic pressure of 35 psi 2 4 kg cm and a maximum static pressure of 60 psi 4 1 kg cm 2 If ...

Страница 27: ...comparitively short b When installing a water supply system with a SteamerGard Cleveland Range recommends the plumbing layout illustrated in Figure 2 19 Note the following details This is a single water line from the main cold water supply to the tee just before the SteamerGard The two separate lines from the tee to the SteamerGard intake connection and the SteamCraft 3 1 condenser blowdown connec...

Страница 28: ...d construction illustrated in Figure 2 20 Cleveland Range part number 102383 4 Construct all supply lines up to the point of installing the strainer s illustrated in the recommended plumbing layouts Flush the water supply lines before connecting the strainer s If the remaining water supply lines and or SteamerGard are not immediately installed and connected after flushing temporarily cap the water...

Страница 29: ...s toward the steamer 3 Install the tee and connecting lines Rush these lines before connecting them to the water supply fittings on the steamer Treated Water Connection With SteamerGard 1 Verify that the SteamerGard water treatment system has been installed according to the SteamerGard installation manual The 40 mesh strainer supplied with the SteamerGard must be installed at the SteamerGard water...

Страница 30: ...n steamers with the dial timer controls and steamers with the key pad controls To avoid confusion during testing there are two sets of testing instructions one labeled Operating Tests Key Pad Control Panel for the electronic control panel and one labeled Operating Tests Dial Timer Control Panel for the electro mechanical control panel After performing the setup procedure perform the test procedure...

Страница 31: ...le lasts 3 minutes During the automatic blowdown cycle make the following checks Look at the top of the float control There should be a steady flow of water entering the top of the float chamber through the spray nozzle Look at the one inch vent gap between the steamer drain pipe and the floor drain A steady stream of water should be draining from the steamer After about 3 minutes the cycle is com...

Страница 32: ...settings as they are at the end of the procedure The main power switch is ON The ON OFF switch is OFF indicator not lighted The TIMED MANUAL switch is in the TIMED top position The timer display is blank while the ON OFF switch is set to OFF 3 If the timer is not zeroed 00 00 when power is turned on in step 4 press and hold the CLEAR key on the key pad control panel to zero the timer 4 When the ON...

Страница 33: ...eaters turn off and the condenser flow stops After about 30 seconds Steam stops entering the cooking compartment 7 Open the cooking compartment door to vent the steam and allow the compartment to cool slightly After 2 or 3 minutes close the door and continue testing 8 With the TIMED MANUAL switch set to TIMED use the timer key pad to set the timer for 10 minutes Press the number keys 1 0 0 0 in se...

Страница 34: ...lete The cycle takes about 3 minutes 12 When blowdown is complete turn the steamer off at the main power switch 13 Install the side panel and secure it in place with two screws see Figure 2 16 After completing the InitialSetup and Blowdown Inspection procedure and the Operating Test procedure the SteamCraft 3 1 is ready for service Refer to Chapter 3 for complete operating instructions Operating T...

Страница 35: ...NUAL switch is set to MANUAL the steam generating cycle starts Start timing upon pressing the MANUAL end of the TIMED MANUAL switch Check and time the following functions Immediately The condenser solenoid clicks open and condenser flow starts With the float cylinder water level above one inch the heater coil turns on After 25 seconds A small stream of water flows from the drain pipe If no drain w...

Страница 36: ...d indicates the heater is working and the unit is beginning to generate steam d As the unit generates steam the water level fluctuates and a clicking sound is heard as the solenoid opens and closes the fill valve The level in the float cylinder rises and falls about 1 4 inch as the fill valve operates e Check for steam leaks around the door f When the timer counts down to zero the heaters turn off...

Страница 37: ...tive operation of any steamer depends upon proper installation use maintenance and repair Operational safety must en compass all of these factors This Operational Safety section outlines the minimum safety policies that should be considered when using one or more SteamCraft 3 1 s It is assumed that any operational safety program must be tailored to the specific site and use of the equipment Such a...

Страница 38: ...erwriters Laboratories UL and or Canadian Standards Association CSA certification and all approvals to protect warranty coverage 8 Maintain written records of steamer maintenance and service These records will be helpful if warranty coverage is ever in question Each record should include at least The date of the service or maintenance A description of the service maintenance or repair performed In...

Страница 39: ...TIMED mode the steaming functions are linked to the timer In MANUAL mode the steaming functions are independent of the timer 4 CLEAR Key This key resets the timer to zero 00 00 after it has been stopped The timer must be zeroed by pressing this key before a new time can beset 5 TIMED MANUAL Switch The TIMED MANUAL switch selects the manual or timed operating mode Pressing the MANUAL bottom end of ...

Страница 40: ...ch selects the timed automatic operating mode Manual Mode provides continuous steaming The operator starts and stops steaming operations manually Timed Mode provides automatic control of steaming operations The timer control starts and stops steaming operation and monitors cooking time and compartment temperature for accurate efficient uniform steam cooking Cooking procedures are slightly differen...

Страница 41: ...Model 21 CET 8 Service Manual Page 33 Figure 3 3 SteamCraft 3 1 Cooking Operations Key Pad Control Panel Printed 12 90 ...

Страница 42: ...s around the door gasket or compartment implosion Reduced convection in the compartment reducing cooking performance Figure 3 4 Compartment Drain Screen Printed 12 90 Power ON Automatic Fill When the SteamCraft 3 1 is turned on it automatically fills the steam generator with water Use this procedure at the beginning of a shift to prepare the steamer for operation without starting steam generation ...

Страница 43: ...Before cooking in manual mode to bring the cooking compartment up to cooking temperature Before cooking in timed mode to reduce the automatic temperature compensation time Between cooking batches to maintain cooking temperature in the compartment Preheat the SteamCraft 3 1 by the following procedure 1 BEFORE PREHEATING inspect and clean the compartment After preheating the compartment will be too ...

Страница 44: ... food product defrosting and or compartment beat up time 1 Refer to Inspect the Cooking Compartment on page 34 Inspect and clean the drain and cooking compartment as required 2 In timed mode the temperature compensation circuit performs automatic preheating Manual preheating is not usually required If the operator chooses to manually preheat the cooking compartment refer to page 35 Preheating the ...

Страница 45: ... 15 minutes to 75 minutes Press the following number keys in sequence 7500 The display reads 75 00 when set for 1 hour and 15 minutes Example 2 Set the timer for 1 5 minutes Change the time to 1 minute and 30 seconds Press the following number keys in sequence 130 The display reads 01 30 when set for 1 5 minutes All seconds method Change the 1 5 minutes to 90 seconds and press 9 0 The display read...

Страница 46: ...zer and the display returns to 14 00 e Press the START STOP key to start the second 14 minute cycle WARNING SEVERE BURNS may result from exposure to steam Do not open the steamer door before steam flow stops Stand back when opening the compartment door Open the door slightly to allow steam to vent before looking or reaching into cooking compartment Do not reach into cooking compartment until the s...

Страница 47: ...lear set and start the timer as in steps 6 7 and 8 of the Timed Mode Operating Procedure As described in steps 8 9 and 10 the timer pauses PAUS until the cooking compartment reaches cooking temperature then counts down the set period and sounds the buzzer In manual mode turning off the buzzer with THE START STOP KEY DOES NOT TURN OFF THE STEAM Temperature Compensation The temperature compensation ...

Страница 48: ...acks For best cooking results use shallow 2 1 2 inch deep perforated pans without covers Cleveland Range model number PP 25 These give the best heat transfer and shortest cooking time 4 Close the steamer door Select the manual mode by pressing the MANUAL bottom end of the TIMED MANUAL rocker switch The steaming cycle starts as soon as the switch is pressed The steam generator begins beating the wa...

Страница 49: ...he cooking compartment door and remove the pans from the slide racks If the SteamCraft 3 1 will be used again in a few minutes shut the door to maintain the cooking compartment temperature If another use is not planned for more than half an hour leave the cooking compartment door slightly open to reduce internal pressure while the steam is condensing and cooling If the SteamCraft 3 1 is not being ...

Страница 50: ...down 2 Automatically the drain valve begins to draw water from the steam generator 3 The fill and drain valves operate simultaneously for 3 minutes 4 At the end of the 3 minute blowdown cycle the fill valve closes 5 When blowdown is complete the SteamCraft 3 1 can be restarted or the shut down procedure completed To restart the unit Power ON Automatic Fill on page 34 To shut down the unit refer to...

Страница 51: ...ts on the door and the retaining pins on the gasket assembly Grasp the gasket assembly at the sides and lift up and towards you to remove the assembly Clean all surfaces of the gasket assembly as well as the inside of the door by wiping with a damp cloth Replace the gasket assembly by sliding the retaining pins into the keyhole slots Either long edge of the gasket assembly can be positioned at the...

Страница 52: ...s and water fills the steam generator Pressing the OFF bottom end of the ON OFF switch turns the steamer OFF The red indicator goes out and the 3 minute blowdown cycle starts Figure 3 6 Dial Timer Control Panel COOKING OPERATIONS DIAL TIMER CONTROL PANEL SteamCraft 3 1 cooking operations are simple and direct Figure 3 7 to the right shows the operations that can be performed during a four hour shi...

Страница 53: ...Model 21 CET 8 Service Manual Page 45 Printed 12 90 ...

Страница 54: ...the ON OFF switch 3 The TIMED MANUAL switch and timer settings are not important in this procedure The control panel circuits are not powered while the ON OFF switch is set to OFF 4 Refer to the main power switch in Figure 3 8 and turn on electric power to the SteamCraft 3 1 The steamer will immediately start a blowdown cycle The blowdown cycle lasts 3 minutes NOTE If it is necessary to stop the b...

Страница 55: ...r slow drain may cause Hot water to collect in the compartment and spill out when the compartment door opens Pressure fluctuations in the compartment resulting in steam leaks around the door gasket or compartment implosion Reduced convection in the compartment reducing cooking performance Before every steaming operation inspect the cooking compartment and remove any food scraps or debris from the ...

Страница 56: ...ng compartment is at proper cooking temperature Steam cooking can begin in either manual or timed modes CAUTION Steam leaks around the door cooking compartment flooding reduced cooking performance and compartment implosion can be caused by a blocked drain or drain screen Inspect and dean the drain and drain screen before each use Operating Procedure Timed Mode In timed mode the timer starts and st...

Страница 57: ...tops steaming and steam flow to the cooking compartment gradually stops The cooking cycle is complete WARNING SEVERE BURNS may result from exposure to steam Do not open the steamer door before steam flow stops Stand back when opening the compartment door Open the door slightly to allow steam to vent before looking or reaching into cooking compartment Do not reach into cooking compartment until the...

Страница 58: ... can be caused by a blocked drain or drain screen Inspect and clean the drain and drain screen before each use Manual Cooking Procedure Follow this procedure when cooking with the SteamCraft 3 1 in manual mode 1 Refer to Inspect the Cooking Compartment on page 47 Inspect and clean the drain and cooking compartment as required 2 Refer to Preheating the SteamCraft 3 1 on page 47 and preheat the cook...

Страница 59: ...IMED top end of the TIMED MANUAL rocker switch and turn the timer dial to the 0 mark The controls will now be set so The ON OFF switch is in the ON top position The TIMED MANUAL switch is in the TIMED top position The timer dial points to 0 The generator stops steaming and steam flow to the cooking compartment gradually stops WARNING SEVERE BURNS may result from exposure to steam Do not open the s...

Страница 60: ...tandards observe the following guidelines to establish proper blowdown scheduling and maintain warranty coverage For units without a SteamerGard water treatment system blowdown must be performed after every 4 hours of operation and at the end of each shift as specified in the Shut Down and Cleaning procedure For units with a SteamerGard water treatment system blowdown must be performed after each ...

Страница 61: ...ve cleaning compounds or steel wool Rinse inside of steamer compartment with clean water WARNING Let rinse water drain through compartment drain opening If water does not drain freely drain lines must be cleaned before cooking again Clogged or slow drains are dangerous because hot water can collect in compartment and spill out when opening compartment door Figure 3 10 Door Gasket Assembly Printed ...

Страница 62: ... inside of the door by wiping with a damp cloth Replace the gasket assembly by sliding the retaining pins into the keyhole slots Either long edge of the gasket assembly can be positioned at the top 6 Replace the cleaned slide racks 7 Wipe the exterior with a damp cloth only NEVER HOSE DOWN THE STEAMER Electrical components inside the unit will not function correctly if wet or damp 8 After cleaning...

Страница 63: ...e procedures and assist service personnel DAILY MAINTENANCE Blowdown Steam Generator Blowdown the steam generator at least every four hours according to steam generator blowdown instructions in Chapter 3 Clean SteamCraft 3 1 Clean interior and exterior of the SteamCraft 3 1 according to shut down instructions in Chapter 3 WEEKLY MAINTENANCE Clean Drain CAUTION Steam leaks pressure buildup in the c...

Страница 64: ...Overexposure Product is extremely irritating to the eyes and may result in eye burns Product is severely irritating to skin and can result in skin burns repeated or prolonged contact with more dilute solutions may result in dermatitis Aerosol mist or vapors are irritating to respiratory tract eyes and throat Prolonged exposure to high concentration may result in pulmonary edema If ingested may res...

Страница 65: ...d sulphonic acid part number 101751 This material will damage the float as sembly and other SteamCraft 3 1 components Do not scrape heating elements with a solid tool If the steamer is turned OFF energize the steamer by pressing the POWER switch to ON Allow time for the steam generator to Ell 3 to 4 minutes This assures that blowdown occurs 1 Press the POWER switch to OFF 2 Press the TIMED MANUAL ...

Страница 66: ...the add is dissolving the scale 13 Leave add 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 bubbling and hissing stops add one or two more cups of add to the steam generator solution NOTE If steam generator is too full to add more add press the POWER switch to OFF for a few seconds to drain some so...

Страница 67: ...y Clean Water Line Strainer NOTE If water quality does not meet the standards of Table 2 2 on page 7 and a SteamerGard has not been installed the strainer may need to be cleaned more frequently than once a year When the steamer is first installed check the strainer more frequently to find out how often it must be cleaned Clean the water line strainer at least once a year as follows 1 Close the val...

Страница 68: ... power switch Water supply to steamer shut off Open water supply valves Water line strainer is clogged Clean water supply strainer POWER switch light on and steamer does not make any steam in MANUAL or TIMED mode Inoperative controls or solenoid See note 1 Hot water instead of cold water connected to condenser fitting Make proper connections See page 20 Water supply to condenser turned off Open wa...

Страница 69: ...mes are usually listed tor cooking at sea level Extend cooking times for altitudes above 2500 feet Compartment bottom dirty with food drippings Juices and or food leaking from pans Put a solid pan under perforated pans to catch drippings or put less food in pan TROUBLESHOOTING NOTES 1 If problem is inside the steamer call an authorized service representative Cleveland Range Inc will not pay for wa...

Страница 70: ... to power the heater elements the dryer element and the primary of the transformer The high voltage value depends on local supply line voltage The required characteristics of the external power supply are listed on the Product Identification Plate as described in Chapter 1 While the main power switch is ON line power energizes the primary of the transformer through 2 amp fuses When the control cir...

Страница 71: ...eaming cycle the SteamCraft 3 1 controls are set as follows The main power switch is in the ON position The water supply valves to the unit are open The ON OFF switch is in the OFF position The TIMED MANUAL switch is in the MANUAL position The timer is set to 0 With these control settings the SteamCraft 3 1 component conditions are as follows The steam generator is empty The water fill condenser a...

Страница 72: ...Model 21 CET 8 Service Manual Page 65 Figure 5 1 Block Diagram Key Pad Control Panel Printed 12 90 ...

Страница 73: ...Page 66 Model 21 CET 8 Service Manual Figure 5 2 Block Diagram Dial Timer Control Panel Click Here for Next Page Printed 12 90 ...

Страница 74: ...he heater and dryer dements The unit begins to beat the water in the generator 5 The water level in the generator continues to rise until the float high level switch opens This opens the circuit to the 511 solenoid The 11 valve doses and the generator stops filling After 4 to 5 minutes the generator produces steam and the water level in the generator drops As the water level drops the high level f...

Страница 75: ...r sounds until the operator presses the START STOP key Mechanical Dial Timer Unit When the TIMED MANUAL switch is set to the TIMED position the 3 second timer and buzzer circuits are energized The buzzer energizes through the TIMED MANUAL switch timer control contacts L1 T3 and 3 second timer After 3 seconds the 3 second timer contacts open silencing the buzzer Use of the dial timer is explained i...

Страница 76: ...FF removes power from most of the 120 VAC circuit components and activates the 3 minute timer The following circuit operations occur 1 The transformer and high voltage circuits on the line side of the heater contactor remain energized 2 The red indicator light on the ON OFF switch turns OFF Printed 12 90 ...

Страница 77: ...e major SteamCraft 3 1 components and their functions Refer to the drawings in Chapter 6 for the installation location assembly details and parts ordering information for each of these components The Chapter 6 figure and item number is included for each component described in this section When servicing repairing or replacing any component use only Cleveland Range authorized repair parts and proce...

Страница 78: ...lements PART NO WATTS VOLTS OHMS 5 104306 300 208 144 1043061 300 240 192 1043062 300 480 768 Some early SteamCraft 3 1 models use 500 watt dryer elements When needed use 300 watt elements listed in Table 5 2 as replacements Fuses are located in line between the terminal block and the main transformer These fuses protect the steamer from damage in case of an overcurrent in the primary of the trans...

Страница 79: ...relay This energizes the drain solenoid dosing the drain valve Energizing relay K1 also energizes one side of the fill solenoid The fill solenoid can be activated by the high level float switch Setting the ON OFF switch to OFF deenergizes relay K1 opening its contacts This prevents power from the 3 minute timer circuit from energizing the drain solenoid and dosing the valve during generator blowdo...

Страница 80: ...lfunctions and damage The drain solenoid valve controls water flow from the steam generator to the condenser During normal steaming operation ON OFF in the ON position the drain solenoid is energized dosing the drain valve Water does not drain from the steam generator At shutdown ON OFF switch OFF the solenoid deenergizes the valve opens and the generator drains The fill solenoid valve controls wa...

Страница 81: ... controls cold water flow to the condenser tee at the bottom of the unit The valve injects cold water into the condenser to cool the vapor and fluid draining from the steamer This reduces pressure in the compartment drain Low pressure in the drain maintains optimum performance of the steamer With a hot or warm water supply connected to the condenser solenoid valve the condenser WILL NOT function p...

Страница 82: ...cal Timer Mechanical Timer 3 Figure 6 6 Operating the dial timer is explained in Chapter 3 After setting the dial the timed steaming cycle starts Timer contacts L1 T1 dose to energize the condenser solenoid and heater contactor See Figure 5 6 Contacts L1 T3 open to enable the 3 second timer When time elapses and the dial reads 0 timer contacts L1 T1 open to deenergize the condenser solenoid and he...

Страница 83: ...r float which slides along an inner shaft The float chambers of the outer float each contain a small magnet The inner shaft houses two magnetic switches As the floats rise and fall with the water level the magnets cause the switches to open and dose Figure 5 8 Float Assembly Diagram Printed 12 90 ...

Страница 84: ...nd determine which are operating properly By first identifying the systems that are operable service personnel can quickly isolate malfunctions without unnecessary testing and component replacement The guide has two sections Fundamental Component Testing Component Test Procedures If components must be replaced use only Cleveland Range authorized replacement parts to maintain complete warranty cove...

Страница 85: ...lled backwards will not work correctly Energized solenoids generate a magnetic field that can be detected with a steel screw driver Note that some stainless steels brass and aluminum alloys are not magnetic and will not sense the magnetic field Printed 12 90 Connection Points and Wiring Any component malfunction can result from loose connections or open wiring Be sure to check for these conditions...

Страница 86: ... contact Refer to Figure 5 9 When the switch doses the timing circuit shown as a relay and contact energizes The timing circuit doses its contact to energize the solenoid When the delay time of the timer elapses 3 minutes or 3 seconds the tuning circuit opens the contact and the solenoid deenergizes A load most be connected to the LOAD terminals of the timer during testing Use a spare solenoid or ...

Страница 87: ...use low voltage batteries to supply power for resistance measurements True insulation resistance requires a high voltage megger reading Multimeters can be used only to make a quick check for gross insulation breakdowns Set the multimeter to the higher scale and then zero the meter using the zero adjust An insulation resistance of less than one megohm usually indicates poor insulation A very low re...

Страница 88: ...indicator lights the fuses are good End this procedure here If the indicator does not light continue this procedure with step 2 2 Set the voltmeter for the 500 VAC scale 3 Refer to Figure 5 13 and check the voltage reading from fuse to fuse on the line side line side connections go to the terminal block If the reading is 0 VAC or a low voltage a Test the main power switch b Test and inspect the 23...

Страница 89: ... 2 Set the voltmeter to the 250 VAC scale 3 Refer to Figure 5 14 and check for 120 VAC across transformer primary terminals X1 X2 If the meter reads 120 VAC the transformer is good End this procedure here If the meter reads no or low voltage across terminals X1 X2 continue this procedure with step 4 4 Set the voltmeter to the 500 VAC scale 5 Check power at main power switch If the meter does not r...

Страница 90: ...ions between the transformer terminals X1 X2 and the ON OFF switch 5 Refer to Figure 5 15 and check for 120 VAC across the bottom terminals of the ON OFF switch white black and tan wires If the meter reads 120 VAC continue this procedure with step 6 If the meter does not read 120 VAC replace the ON OFF switch and end this procedure here 6 Set the ON OFF switch to the OFF position Refer to Figure 5...

Страница 91: ...responds to the water level in the generator If valve opens fills the generator to the high level and stops the valve is operating properly End this procedure here If valve does not open to let water flow into the generator continue this procedure with step 4 If valve fills the generator but does not stop at the high level switch continue this procedure with step 5 4 Check for 120 VAC across the s...

Страница 92: ... countdown the meter does not read 120 VAC across the LOAD terminals continue this test with step 6 5 If the timer does not count down either there is no load on the timing circuit or the timer is broken a Check the blue wire and the white gray wire from the timer to the fill solenoid and rinse solenoid for continuity and secure connections Replace or repair faulty wiring and connections Repeat st...

Страница 93: ... drain the drain solenoid is good a Reconnect the black wire to the high temperature limit switch b Reconnect the brown wire to the condenser solenoid c End this procedure here If no water flows from the drain the fault may not be in the drain solenoid a Reconnect the black wire to the high temperature limit switch b Reconnect the brown wire to the condenser solenoid c Check for dogged drain plumb...

Страница 94: ...y End this procedure here If valve opens sprays water into the cylinder and continues to spray after 3 minutes continue this procedure with step 3 If there is no rinse flow into the cylinder continue this procedure with step 4 3 Check voltage across the rinse solenoid terminals If the meter reads 0 VAC the valve has failed open Replace the rinse solenoid valve If the meter reads 120 VAC for more t...

Страница 95: ...condenser solenoid valve is faulty Replace the condenser solenoid valve 7 Refer to Heater Contactor Test Figure 5 22 and check for 120 VAC across the coil terminals of the heater contactor If the meter does not read 120 VAC across the coil terminals of the heater contactor continue this procedure with step 8 If the meter reads 120 VAC across the coil terminals of the heater contactor the condenser...

Страница 96: ...F switch wire connections replace the TIMED MANUAL switch If the meter reads 120 VAC between these TIMED MANUAL and ON OFF switch wire connections the fault is not in the TIMED MANUAL switch Test the timer and timer wiring 7 Refer to Figure 5 19 Check for 120 VAC from the TIMED MANUAL switch orange wire connection bottom terminal to the ON OFF switch white black wire connection bottom terminal For...

Страница 97: ...t points the fault is not in the high temperature limit switch a Check the black and white black wires to the high temperature limit switch float assembly and the contactor for continuity and secure connections Replace or repair faulty wiring and connections b Test float low limit switch c Test the contactor for an open coil The electronic key pad timer is a sealed unit Replacement of this unit is...

Страница 98: ...e with step 4 4 The timer may not be receiving power due to a faulty 24 VAC transformer or lack of 120 VAC to the transformer a Check for 120 VAC across the transformer input terminals black wires If the meter does not read 120 VAC the transformer is not receiving power Test the ON OFF and TIMED MANUAL switches If the meter reads 120 VAC continue this procedure with step b b Check for 24 VAC acros...

Страница 99: ...d short circuits during testing 5 Adjust the ohmmeter for a zero reading on lowest scale 6 Refer to Figure 5 20 and connect the ohmmeter leads across the compartment thermal switch 7 After about 5 minutes the compartment will be cool enough for this test close the compartment door and check the ohmmeter reading If the meter reads 0 ohms across compartment thermal switch terminals replace the therm...

Страница 100: ... described operation continue this procedure with step 7 The timer fails the 10 minute test if actual operation does not match the described operation Replace the timer and end the procedure here Typical failures are a Steaming continues after the preset lime on the dial elapses to 0 b The dial time is fast or slow compared to real time 10 minutes on the dial elapses after 5 or 20 minutes real tim...

Страница 101: ... the heater contactor a Check the black white black brown and white brown wires connected to the heater contactor for continuity and secure connections Replace or repair faulty wiring and connections b Test the high temperature limit switch c Test the float low level switch d Test the TIMED MANUAL switch 5 Set the voltmeter to the 500 VAC scale Refer to Figure 5 22 and check the voltage across the...

Страница 102: ... 3 1 components for testing the heater and dryer element resistance as described below Perform the resistance tests as described in step 6 a Set both the ON OFF switch and the main power switch to the OFF position b Refer to the schematic wiring diagram and disconnect all heater and dryer leads from element terminals of contactor c Set both the ON OFF switch and the main power switch to the ON pos...

Страница 103: ...The float assembly does not properly respond to water level changes If there is heavy sediment buildup in the float cylinder a Refer to Figure 6 10 Disassemble and dean the float switch assembly the float cylinder and the spray nozzle If the components cannot be cleaned replace them with new parts Reassemble the cleaned components b If the float cylinder required cleaning test the rinse solenoid v...

Страница 104: ...Model 21 CET 8 Service Manual Page 97 Printed 12 90 ...

Страница 105: ... for 120 VAC across these test points If the meter reads 120 VAC across these test points the high level switch is faulty Replace the float assembly If the meter reads 0 VAC test the fill solenoid valve 9 As the water level rises to about one inch in the float cylinder the lower float begins to move up the shaft Check the voltage readings across the float low level switch If the meter reads 120 VA...

Страница 106: ...terminals 1 3 LOAD If the meter reads 120 VAC across the test points continue this procedure with step 7 If the meter does not read 120 VAC across the test points continue this procedure with step 6 6 Refer to Figure 5 28 and connect the voltmeter leads across timer terminals 2 3 INPUT Check for 120 VAC across the test points If the meter reads 120 VAC across the test points replace the 3 secondti...

Страница 107: ...3 second timer to the buzzer for continuity and secure connections Replace or repair faulty wiring and connections b If the wiring and connections are good replace the 3 minute timer Printed 12 90 Page 100 Model 21 CET 8 Service Manual ...

Страница 108: ...oup Parts Differences Among SteamCraft 3 1 Steamers In the normal course of product improvement component differences develop Usually improved components are designed to be compatible with the existing structures When this happens the improved parts are provided automatically under the old part numbers When this is not possible the parts differences are tracked and identified by steamer serial num...

Страница 109: ...Figure 6 1 Major Component Groups Printed 12 90 ...

Страница 110: ...Page 104 21 CET 8 Service Manual Figure 6 2 Access Panel and External Components Printed 12 90 ...

Страница 111: ...1 6 14929 Label Cold Water Connection Tag 1 7 104236 Label Operating Safety 1 8 14932 Label Disconnect Before Service 1 9 104179 Label Wiring Diagram Mechanical Timer 1 104180 Label Wiring diagram Electronic Timer 1 10 14897 Label Ground Connection 1 11 14926 Label Fuse Instruction 1 12 103966 Panel Side 2 13 104080 Screw Mounting 4 14 103942 Panel Rear and Top 1 15 104080 Screw Mounting 3 16 1467...

Страница 112: ...Page 106 21 CET 8 Service Manual Figure 6 3 Steamer Compartment Group Printed 12 90 ...

Страница 113: ...vice Manual Page 107 Figure 6 3 Steamer Compartment Group Item Part No Description Quantity 1 69298 Drain Screen 1 2 14677 Nut Acorn 1 3 41423 Rack Slide 2 4 101305 Pin Rack Mounting Not replaceable 4 Printed 12 90 ...

Страница 114: ...Figure 6 4 Compartment Door And Hinge Assemblies Printed 12 90 ...

Страница 115: ... S S 4 11 104101 Door Inner Assembly 1 12 44098 Plate Weldment Door Gasket 1 13 66214 Plate Inner Door Gasket Retainer 1 14 07138 Gasket Door Silicone Sponge Molded 1 15 100745 Door Weldment Inner 1 16 14665 Nut Hex Lock Elastic 1 4 20 Stainless w Nylon Insert 4 17 19923 Stud Inner Door Mount 2 18 102513 Washer Flat 2 CATCH ASSEMBLY 19 104046 Catch Door 1 20 14965 Nut Door Catch Mounting S S 2 21 ...

Страница 116: ...Page 110 21 CET 8 Service Manual Figure 6 5 Electronic Timer Control Panel Assembly Printed 12 90 ...

Страница 117: ... Elastic Lock 2 6 03525 Socket Relay 1 7 101655 Washer Flat 10 S S 2 8 104223 Nut Hex 6 32 Elastic Lock 2 9 03524 Relay 120V 50 60 Hz AC DPDT 1 10 19993 Switch Rocker DPDT ON OFF 6A 125V 1 11 104224 Switch Rocker SPDT 1 12 1040072 Transformer 120V 60Hz Basler Elec Use with 1040071 1 13 104223 Nut Hex 6 32 Elastic Lock 2 14 20478 Timer Solid State Interval 3 Minute 1 15 101873 Nut Hex 1 4 20 Elasti...

Страница 118: ...Page 112 21 CET 8 Service Manual Figure 6 6 Mechanical Timer Control Panel Assembly Printed 12 90 ...

Страница 119: ...476 Timer with Mounting Screws 2 1 4 113071 Timer Knob 1 5 03525 Relay Socket 1 6 101655 Washer Plat 10 2 7 104223 Nut 6 32 Hex Elastic Lock 2 8 14617 Nut 1 4 20 Hex Black Oxide 2 9 101873 Nut 1 4 20 Elastic Lock 2 10 03524 Relay 1 11 20477 Timer 3 Second 1 12 20478 Timer 3 Minute 1 13 19993 Switch Power 1 14 104224 Switch Manual 1 15 41350 Buzzer 1 16 14672 Nut 10 32 Hex Locking 1 Printed 12 90 ...

Страница 120: ...Page 114 21 CET 8 Service Manual Figure 6 7 Electrical Components Assembly Printed 12 90 ...

Страница 121: ...p Type 85 Amp 1 5 101540 End Segment Terminal Block 85 Amp 3 6 06341 Fuse Holder Buss HPS EE 2 7 19259 Screw 6 32 x 1 2 Std Round Head 4 8 06344 Fuse Non Time Delay 2 Amp 600V 2 9 02600 Bushing Heyco SB 875 11 Insulator 1 10 102581 Bushing Snap In 1 11 101231 Screw 10 24 x 1 2 Truss Hd S S 1 12 14659 Nut Hex 10 24 S S 1 13 23114 Washer Internal Tooth 10 S S 2 14 20304 Ground Lug Burndy KPA8C 1 15 ...

Страница 122: ...Figure 6 8 Steam Generator Assembly Printed 12 90 ...

Страница 123: ...1 101655 Washer Flat 10 8 8 2 12 16546 Cover Block Off 1 13 07128 Gasket 1 14 14616 Nut Hex 1 4 20 4 15 23105 Washer Lock 8 81 4 4 16 23116 Washer Flat 1 4 x 5 6 4 17 104094 Healer Assembly with Gasket 1 18 14616 Nut Hex 1 4 20 4 19 23105 Washer Lock 8 8 1 4 4 20 23116 Washer Flat 1 4 x 5 6 4 21 1044661250 Hose 1 2 Silicone 12 5 1 22 1044662250 Hose 1 2 Silicone x 22 5 1 23 104467 Clamp Hose Worm ...

Страница 124: ...Figure 6 0 Heater Assembly Printed 12 90 ...

Страница 125: ...it with Element 103881 Item 4 and Items 5 and 6 1044611 240V kit with Element 1038811 item 4 and Items 5 and 6 1044612 415V kit with Element 1038812 Item 4 and hems 5 and 6 1044614 480V kit with Element 1038814 Item 4 and Items 5 and 6 1044615 380V kit with Element 1038815 Item 4 and Hems 5 and 6 4 per kit Heater Element 1 5 07128 Gasket 1 6 103989 Clip Capillary Retainer 3 Printed 12 90 ...

Страница 126: ...Page 120 21 CET 8 Service Manual Figure 6 1 OA Float Assembly Before Serial WC11379 901 01 Printed 12 90 ...

Страница 127: ... x 1 4 Tubing 1 4 06192 Fitting 1 4 T x 1 8 MPT 90 1 5 04277 Nozzle Spray Wall Connect 1 6 104039 Cap Float Top 1 7 104040 Cap Float Bottom 1 8 104276 Bolt Hex Hd 1 4 20 x 5 1 2 S S 4 9 14618 Nut Hex 1 4 20 S S 4 10 23105 Washer Lock S S 1 4 4 11 104041 Gasket Float Assembly 2 12 103726 Switch Assembly Float 1 13 1040190388 Polysulfone 2 x 1 75 1 14 05231 Elbow Brass 3 4 1 15 104064 Nipple Brass 3...

Страница 128: ...Page 122 21 CET 8 Service Manual Figure 6 10B Float Assembly After Serial WC11379 901 01 Printed 12 90 ...

Страница 129: ...4381 Fitting Hose Barb 1 4 Hose to 1 4 MPT 1 5 06192 Fitting 1 4 T x 1 8 MPT 90 1 6 04277 Nozzle Spray Wall Connect 1 7 104039 Cap Float Top 1 8 104040 Cap Float Bottom 1 9 104276 Bolt Hex Hd 1 4 20 x 5 1 2 S S 4 10 14618 Nut Hex 1 4 20 S S 4 11 23105 Washer Lock S S 1 4 4 12 104041 Gasket Float Assembly 2 13 103726 Switch Assembly Float 1 14 1040190388 Pofysulfone 2 x 1 75 1 15 05231 Elbow Brass ...

Страница 130: ...Figure 6 11 Water Inlet System Printed 12 90 ...

Страница 131: ...2330600 Tubing 1 4 Polyprop 6 1 6 1014091 Mounting Bracket 1 7 101872 Thread Cuting Screw B 32 x 1 4 6 8 1022331450 Tubing 1 4 Polyprop 14 5 1 9 101774 Insert Brass for 1 4 0 0 Poly Tube 12 10 1022331450 Tubing 1 4 Polyprop 14 5 1 11 1022331600 Tubing 1 4 Polyprop 16 1 12 101775 Fitting 1 4 Bulkhead Union 2 13 1022331900 Tubing 1 4 Polyprop 19 2 14 102581 Bushing Snap In 1 Printed 12 90 ...

Страница 132: ...Figure 6 12 Condenser And Drainage Systems Printed 12 90 ...

Страница 133: ... Drain Asco 1 5 06241 Hose Barb 3 4 x 1 2 NPT Fitting 1 6 085050450 Hose 3 4 Darl Preen x 4 5 1 7 03204 Hose Clamp 3 4 2 8 06240 Fitting Hose Barb 3 4 I D Hose x 3 4 MPT 1 9 02570 Bushing 1 10 104097 Condenser Assembly Spray 1 11 104055 Bushing Pipe Reducer 1 Male x 1 2 Female 1 12 02549 Bushing Condenser 1 13 104056 Nipple Brass 1 8x4 1 2 1 14 104042 Nozzle Spraying Systems 1 8 G3 Brass 1 Printed...

Страница 134: ...Figure 6 13 Equipment Stand Printed 12 90 ...

Страница 135: ...t No Description Quantity 1 104240 Tabletop Equipment Stand 1 2 100413 Foot Assembly Adjustable 2 3 100241 Foot Adjustable 2 4 104243 Shelf Sliding 1 5 41423 Slide Assembly 4 6 101305 Pin Rack 16 7 14677 Nut Acorn 1 4 20 16 Printed 12 90 ...

Страница 136: ...Figure 6 14 SteamCraft 3 1 Wiring Diagram Electronic Time Printed 12 90 ...

Страница 137: ...Figure 6 15 SteamCraft 3 1 Schematic Diagram Electronic Timer Printed 12 90 ...

Страница 138: ...Figure 6 16 SteamCraft 3 1 Wiring Diagram Mechanical Timer Printed 12 90 ...

Страница 139: ...Figure 6 17 SteamCraft 3 1 Schematic Diagram Mechanical Timer Printed 12 90 ...

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