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WMC2-XSGN-0000-Rev A

1. Shelf Timer Manual and Automatic Rotisserie Oven with Meat Probe Option Manual Rotisserie Oven with Meat Probe Option 2 Watlow M n GHEF 2000 Hardware amp Software Setup Guide Introduction Welcome to the M n CHEr 2000 The MiniCHer 2000 is a configurable time temperature and machine function controller that is preprogrammed for dozens of cooking applications Its compact size and optional horizontal vertical orientation facilitates streamlined equipment design It withstands rigorous application environment conditions with an 80 ambient rating and superior EMI RFI immunity It is also backed by Watlow s exclusive three year warranty Each unit is equipped to offer e two temperature sensor inputs e twoevent inputs for machine control e two heat control outputs e two event outputs for machine control e one audible alarm output See diagram below Depending on the application software you select some or all of the inputs or outputs are used See the Application Selection Table that follows 4 Inputs 5 Outputs Input 1 TT TI gt eee Output 1 Thermocouple or RTD Switched DC or Solid state Relay Input2 we eo ek WH H emm OU DU Thermocouple or RTD Event Input 1 Event Inout 2 geff Switched DC or Solid state Relay Output 3 Event Output 1 Output 4 co mm Event Output 2 gt a Output 5 Audible Alarm Output Figure 3 Inputs and outputs Hardware amp
2. EN Range 999 to OF 555 to 0C Default 999 F 555C High Deviation Alarm Channel 2 Sets a relative high deviation temperature alarm setting A high deviation alarm occurs when the input 2 temperature including offset is above set point plus this setting This parameter only appears when the selected application software set uses temperature input 2 and is set to either or WEI Range 0 to 9999 F 0 to 555 C Default 9992F 555 C sam Thermal Function Configures control heat functions Temperature Control Type Selects the heat control algorithm On Off control uses a hysteresis as a switching point PID control uses a combination of proportion integral and derivative values to deter mine percentage of output power This parameter only appears when the selected appli cation software set uses at least one temperature output Range W E Default 48 Watlow MINICHEF 2000 Hardware amp Software Setup Guide Definitions of Functions Parameters and Values Hasan Channel 1 Hysteresis Sets the relative switching hysteresis size for output 1 This parameter only appears when the selected application software set uses a temperature output from channel 1 and DIR is set to RAHAA Range 1 to 994 1to55 Default 39 2 PEE Channel 2 Hysteresis Sets the relative switching hysteresis size for output 1 This parameter only appears when the selected application software set uses a temperature output from channel 1
3. MiniGuer 2000 Hardware amp software Setup Guide For All Applications N LOW Watlow Controls 1241 Bundy Blvd P O Box 5580 Winona Minnesota U S A 55987 5580 507 454 5300 Fax 507 452 4507 C 97 TOTAL CUSTOMER SATISFACTION SO 900 LL Ge ZET 8 A WI i di SE dE a RE EE Registered Company Winona Minneso ta USA WMC2 XSGN 0000 Rev A May 1997 15 00 Made in the U S A War ow MiniCuer 2000 All Applications Hardware amp Software setup Guide Introduction es 3 ApplicationSelection Table 4 OveriewofKeySteps 5 GeneralDescription 6 Step 1 Installation aana 8 Step 2 Wiring 12 Step 3 Configure the Controller 17 Overview of Configuration and Programming Controller Front Panel Layout Software Structure Navigation Configuration Mode Quick Reference Procedure Step 4 Program the Menus 25 Program Mode Quick Reference Procedure Step 5 Set Security 29 Step 6 Set Real time Clock 30 Step 7 Design Membrane Overlay 31 Overlay Design Guidelines For Step 8 Operation see individual application guides Appendix 33 Troubleshooting Chart Definitions of Functions Parameters Values Definitions of Temperature Alarms Definitions of Errors Glossary of Terms Specifications Ordering Inform
4. 30mA non isolated 2 Solid state relay Form A 0 4A without RC suppression 3 Solid state relay Form A 0 4A with RC suppression Output Number 2 1 Switched dc 5V nominal 30mA non isolated 2 Solid state relay Form A 0 4A without RC suppression 3 Solid state relay Form A 0 4A with RC suppression Event Outputs 1 and 2 1 2 event outputs switched dc 5V nominal 30mA non isolated Battery and Real time Clock 0 None 1 Includes battery and real time clock Audible Alarm 0 Alarm signal available at connector switched dc 5V nominal 30mA non isolated 1 Internal alarm included Software AA Standard Food Equipment Application Software Set XX Custom Set up parameters or Made To Order custom software Consult your local Watlow Sales Engineer Code number assigned by factory Hardware amp Software Setup Guide Watlow M n GHEF 2000 61 Ordering Information Part Numbers amp Accessories MiniCHEF 2000 Accessories 0836 0442 0000 Sensor Input Mating Connector RIACON 31007106 6 position quick connect terminal screw connection for 28 14 AWG wires tighten to 7 in lb Power Supply and I O Mating Connector Kit Includes 1 AMP 1 640523 0 15 position quick connect terminal 15 AMP 641300 1 crimp pins Prototyping amp Training Membrane Overlay adhesive backed 4 75 in x 4 75 in Prototyping EPROM Extraction Tool AMP 821980 1 120V
5. Dag Dag Dag Dag Dag Dag Dag N a N N a N N e X A 875 in ref 1 660 in 1 530 in O 1 O O Pe pe 135 in 10 0 375 in o O o 0 750 in Cg g CL E i i gt stud 4 R minimum recommended N ef ef length 0 50 in ef ef d i d a A A A NS Figure 10 Pattern for vertical panel 16 or 18 gauge thick 10 Watlow M n GHEr 2000 Hardware amp Software Setup Guide step 1 Install the Controller 3 000 in 2 462 in pe 1 662 in ____ p 1 530 in O O 1 250 in O O O EK 0 875 in __ p C O 90 135 in 8 0 375 in O o 0 000 in et LE O 0 750 in CL 4 eee stud 4 Re minimum recommended e length 0 50 in ge Ne a Figure 11 Pattern for vertical panel 20 or 22 gauge thick Hardware amp Software Setup Guide Watlow MINICHEF 2000 11 Step 2 Wire the Controller Step 2 Wire the Controller Position the connector with the beveled edges at the top Not all software applications use or require wiring to all inputs and outputs For specific information consult the guide for the application you are using Note The following illustration is a view of the back of the controller not of the mating connector Power Wiring Figure 12a 24V ac Low Voltage Ki WARNING To avoid potential electric shock use National Electric Code NEC safety practices when wiring and con necting this unit to a p
6. Possible Solutions Time of day is inaccurate e Real time Clock is not programmed properly e Battery is low e Refer to programming guide to reset the time of day e If problem persists return to factory Programmed Menus are being changed or tam pered with Menu Program Security has not been Set To secure the Menu programs set the parameter to GET Software Application Numbers are being changed or tampered with Application Number Security has not been set To secure the Application Number set the parameter to ES Operator cannot reprogram Menu Program Security has been set Set the parameter to Menus WEE Software Application Application Number Security has Set the KAZ parameter to Number cannot be been set nol changed Inaccurate temperatures Malfunctioning temperature sensors e Refer to Troubleshooting section on j or parameter may be set incorrectly e System may have two grounded thermocouple sensors causing ground loops e Loose or improper connections e Reversed sensor lead wires e Sensor not compatible with control e Control not programmed properly Error Messages Confirm that compatible sensors are used in the system Refer to con troller specifications Check system wiring Check system sensors Confirm that a maximum of 1 grounded thermocouple is used in the system Confirm that compatible thermocou ple wires extension wires are
7. Software Setup Guide Watlow M n GHEF 2000 3 Introduction MiniCHer 2000 Application Software Selection Table To select the application software that best suits your equipment and purpose first locate the type of equipment in the left column then check the other columns for fea tures and options you need The application number is on the right Appl Make a note of the application number You will be using this number later when programming your controller The guide for each application contains specific configuration and pro gramming parameters and operating instructions Note that the use of the software below is not limited to the equipment types listed in the first column Erde May also apply to other apps Mode Channels Zones Probe Speeds COOK amp HOLD OVENS a CONVECTION OVENS a d DEEPFAT FRYERS Ki kl kl Pressurized Pressurized Pressurized GRIDDLES Clam Shell o Clam Shell One sided One sided TIMERS Go EES R No temp control Manual N A N A NEE ROTISSERIE OVENS Manual amp Auto 30 Single Yes lor2 27 hel Manual N A Single Yes lor2 28 Table 4 Application selection table GEUaRERBRES FK m kl A kA pp 4 Watlow M n GHEr 2000 Hardware amp Software Setup Guide Introduction Overview of Key Steps from Installation through Operation
8. facturer of industrial electric heating products since 1922 Watlow begins with a full set of specifications and completes an industrial product that is manufactured totally in house in the U S A Watlow products include electric heaters sensors controls and Switching devices The Winona operation has been designing solid state electronic con trol devices since 1962 and has earned the reputation as an excellent supplier to origi nal equipment manufacturers These OEMs depend upon Watlow Controls to provide compatibly engineered controls that they can incorporate into their products with confi dence Watlow Controls resides in a 100 000 square foot marketing engineering and manufacturing facility in Winona Minnesota Technical Assistance If you encounter a problem with your Watlow controller refer to the Troubleshooting Chart in this guide Also review all of your configuration information for each step of the setup to verify that your selections are consistent with your applications If the problem persists after checking all the steps you can get technical assistance by calling Watlow Controls at 507 454 5300 between 7 a m and 5 p m CST and asking for an applications engineer When you call have the following information on hand the controller s part number date code serial number software revision number and appli cation number Much of this information is available on the controller case All of this information is also a
9. ma ee fy me If Kal ul A jo im rec Co o co CO co CI d AR o AR Temperature Control Type Hysteresis 1 Hysteresis 2 PID Units Auto tuning Channel 1 Auto tuning Channel 2 Proportional Band 1 Reset integral Gain 1 Integral Gain 1 Rate derivative Gain 1 Derivative Gain 1 PID Cycle Time 1 Proportional Band 2 Reset integral Gain 2 Integral Gain 2 Rate derivative Gain 2 Derivative Gain 2 PID Cycle Time 2 Date of M anufacture Code Serial Number Part Number first four digits Part Number middle four digits Part Number last four digits Software Revision Number Key Function Identification Current Application Number Display Test Output Test E vent Input Test Actual Temperature Channel 1 w out offset Actual Temperature Channel 2 w out offset Value PID On Off 1t099F 1 to 55C 1 to 99F 1 to 55 C EE WER WER i 1 to 999 1 to 555C 0 00 to 9 99 repeats minute 0 00 to 99 99 minutes repeat 0 00 to 9 99 minutes 0 00 to 9 99 minutes 1 to 60 seconds 1 to 9999 1 to 555 0 00 to 9 99 repeats minute 0 00 to 99 99 minutes repeat 0 00 to 9 99 minutes 0 00 to 9 99 minutes 1 to 60 seconds YYDDD XXXXX F 2XX XXXX XXXX F 2XX XXXX XXXX F 2XX XXXX XXXX XX Yes no XX All spot LEDs and all main display LEDs will light up O All outputs are normal 1 Output 1 is on All others are off 2 0utput 2 is on All others are off Ze Event Out
10. 1 Install the controller e Usethe panel knock out pattern guidelines in this guide 2 Wire the controller e Use the connector wiring information in this guide 3 Configure the controller e After applying power use the Configuration Mode to enter the equipment Application Number from the MiniCHeEF 2000 Software Selection table set up the controller and access the thermal optimization functions e Usethe space provided to record your values for future reference e Set the Application Number Security Lock if necessary to prohibit end users from changing Application Number e To speed configuration you may want to use the Prototyping Training Overlay available separately see Ordering Information in this guide Note Always select and enter the application number first The parameters that follow are based on it See instruc tions in this Hardware amp Software Setup Guide 4 Program the menus automatic menu applications only e Usethe Program Mode to program automatic menus for the chosen application See instructions in this guide e Use the space provided to record your values for future reference e To ease menu programming you may want to use the Prototyping Training Overlay available separately see Ordering Information in this guide 9 Set menu security automatic menu applications only e Set up menu security if necessary to prohibit end users from changing values Because the controller defaults to no se
11. 59 manual setting keys 59 mating connectors 7 membrane overlay horizontal unit 31 vertical unit 32 menu 59 menu prgramming 5 25 28 menu security 5 menu security lock 29 menu select key 59 64 Watlow M n GHEr 2000 Hardware amp Software Setup Guide Index mounting 8 mounting collar 6 8 mounting collar pattern horizontal panel 16 or 18 gauge 9 horizontal panel 20 or 22 gauge 9 vertical panel 16 or 18 gauge 10 vertical panel 20 or 22 gauge 10 navigation map 18 19 0 on off control 59 on off temperature control 22 Operation Mode 5 59 operations troubleshooting 40 43 ordering information 61 62 Output 1 14 Output 2 14 15 Outputs 3 and 4 16 Output 5 Audible Alarm Output Signal Option 16 over range error 5 7 overview of key steps 5 P panel knock out patterns 8 11 parameters definitions of 44 54 PID 9 PID temperature control 22 power wiring 12 Program Mode 53 59 Program Mode Quick Reference 25 26 program procedure 27 programmed menu keys 59 proportional control 22 59 proportional plus integral 21 prototyping training overlay 17 32 Q A RAM error 56 rate 59 real time clock 5 30 real time clock error 57 reset 59 returns 63 rotisserie ovens 4 59 S sensor inputs 1 and 2 12 13 setup function 20 45 48 shelf timing oven 59 shelf timer 4 software structure 18 sources of supply 62 specifications 60
12. Connectors e Sensor Input Terminal Strip RIACON 6 position quick connect e Power Supply amp Input Output Terminali AMP 15 position quick connect Power Line Voltage e 20 4 to 26 4V ac 47 to 63Hz e 15VA maximum e For CE applications input power must be limited to 15W external to the control e Program retention upon power failure via non volatile memory Battery real time clock option 6 year lithium battery provides power backup upon power failure operation resumption after power recovery ability to display time of day Operating Environment e 32 to 176 F 0 to 80 C 0 to 90 RH non condensing Storage Temperature e 40 to 176 F 40 to 80 C Mechanical e Case polycarbonate Lexan with adjustable mounting collar vertical or horizontal orientation designed for mounting on 16 18 20 and 22 gauge panels e nternal panel mounting requires a specified panel cutout and four 6 32 studs or equivalent Overall width x height x depth horizontal 4 13 in x 3 25 in x 2 00 in vertical 3 25 in x 4 13 in x 2 00 in Assumes mating connectors are attached Does not include wire bundle space requirements Vibration 2g 10 to 150Hz applied in any one of three axes e Weight 6 5002 maximum Program Storage e All non embedded user and factory programs are stored in non volatile memory Can be changed by reprogramming Sample Update Rates e 1 input 4Hz e 2 inputs 4Hz e
13. Key Chirp On Off Menu Security Lock Yes No Thermocouple Type J K Shown as ZU E RTD Curve DIN JIS ees WatCurvemTemperature On Off Compensation Temp Offset Channel 1 99 to 992 F 55 to 552C Temp Offset Channel 2 99 to 992 F 55 to 552C Temperature Range Low OF 189C for rtd inputs 3294 0C for tc inputs to temp range high Temperature Range High temp range low to 1200F 649 C Ready Preheat Feature Yes No Fa pan Ready Band 1 to 12004 649 Real Time Clock Display Yes No Power Loss Menu Resume Yes No AL H Alarm Channel 1 None Dev Proc Both Absolute Process Alarm 100 to 12009 38 to 649 C Channel 1 Low Deviation Alarm 999 to OF 555 to OT Channel 1 High Deviation Alarm O to 9999 0 to 5559C Channel 1 Alarm Channel 2 None Dev Proc Both IWER Absolute Process Alarm 100 to 12009 38 to 6499C Channel 2 Low Deviation Alarm 999 to OF 555 to OT Channel 2 High Deviation Alarm O to 9999 0 to 555 Channel 2 20 Watlow MiniCHer 2000 Hardware amp Software Setup Guide step 3 Configure the Controller Function Thermal WatH elp Diagnostics Parameter LI E Zei E Gi V dy Wu Re AN AN IX D 0 med WI ON d e c ab mim o Ke 3 D o m u DR Wa WA bel RR Ou d o vd o we imi ir a Lef WD DA pe lm me fi pw a Wil vw vn ei ef ju weg Wal io Af D Vi Wi WI wf x me Es VEO ir ci im Mp HH Ed o D AR Lu
14. T technical assistance 63 temperature alarms 55 thermal function 21 45 50 timer 59 troubleshooting chart 34 43 U under range error 56 values 44 52 W warranty 63 WatH elp diagnostics 21 50 52 61 wiring 5 12 16 X Y Z Hardware amp Software Setup Guide Watlow M n GHEF 2000 65 Declaration of Conformity Declaration of Conformity CE 97 MINICHEF 2000 WATLOW CONTROLS 1241 Bundy Boulevard Winona Minnesota 55987 USA Declares that the following product Designation MINICHEF 2000 Model Number s F2 H or U A or C 1 2 3 or 4 1 2 or 3 1 2 or 3 1 0 or 1 0 or 1 Any two letters or numbers Electronic incorporated Class III temperature controller Type 2C action for use in light industrial English Classification RatedVoltage 24V VAC Rated Frequency 50 60 Hz Maximum Input Power 15 Watts Meets the essential requirements of the following European Union Directive s using the relevant section s of the normalized standards and related documents shown 89 336 EEC Electromagnetic Compatibility Directive EN 50082 1 1995 EMC Generic immunity standard Part 1 Residential commercial and light industry EN 61000 4 2 1995 Electrostatic discharge EN 61000 4 4 1995 Electrical fast transients EN 61000 4 5 1995 Surge immunity EN 61000 4 6 1996 Conducted immunity EN 61000 4 8 1993 Power frequency magnetic field immunity EN 61000 4 11 1994 Voltage dips short inte
15. amounts of hot oil Efficiency depends on the fryer s power input production rate and the longevity of the cooking oil Derivative The rate of change in a process variable Also known as rate See PID DIN Deutsche Industrial Norms DIN A set of technical scientific and dimensional standards developed in Germany Many DIN standards have worlwide recognition Griddle Good for crisping browning and flavor development griddles can be one sided or two sided Two sided griddles also called Clam Shell griddles reduce cooking times by cooking both sides of the food simultaneously Hysteresis A change in the process variable required to re energize the control or alarm ouput Sometimes called switching differential Integral Control action that automatically eliminates offset or droop between set point and actual process temperature Inverse of Reset JIS J ont Industrial Standards also apanese Industrial Standards Committee J ISC Establishes standards on equipment and components Keys Down arrow key F On the Protoyping Training Overlay the right key in the bottom row which allows user to move down the lists Edit key A On the Protoyping Training Overlay the left key in the top row which allows user to access the next level of parameters or values Enter key B On the Protoyping Training Overlay the center key in the top row which allows user to enter a chosen value and return to the previous level Escape key
16. and SJE is set to PRAHAA Range 1 to 99 1 to 55 Default 39 2C Units Selects the PID in US or SI System International or metric units Range WC Default Sta Channel 1 Auto tune Initiates the auto tuning feature for output 1 This parameter only appears when the selected application software set uses a temperature output from channel 1 and ZEISS is set to iP Range WE Ga Default SF ya Channel 2 Auto tune Initiates the auto tuning feature for output 2 This parameter only appears when the selected application software set uses a temperature output from channel 2 and GEI S Set LORSE Range WE Ga Default GE Channel 1 Proportional Band Sets the proportional band for output 1 This parameter only appears when the selected application software set uses a temperature output from channel 1 and PREPA is set to ar Range 1 to 9999 1 to 555 Default 25F 14 Ba Channel 1 Reset Sets the reset integral gain for output 1 A value of 0 00 shuts reset off This parame ter only appears when the selected application software set uses a temperature output from channel 1 and is set to and is set to AE Range 0 00 to 9 99 repeats minute Default 0 00 repeats minute Channel 1 Integer Sets the integral gain for output 1 A value of 0 00 shuts the integral off This parame ter only appears when the selected application software set uses a temperature output from channel 1 and is set to and is set to EE R
17. feature on or off When on the control will display the time of day when it is idle This parameter only appears when the hardware and the selected application software set support real time clock option Range WT Default Power Loss Menu Resume Turns the power loss feature on or off This parameter only appears when the hardware supports the real time dock and the selected application software set uses temperature input 1 If activated menu countdown time resumes when power is returned to the sys tem Range WT Default Alarm Channel 1 Selects the type of temperature alarm associated with input 1 This parameter only appears when the selected application software set uses temperature Input 1 Range WERT EEN GT Default Absolute Process Alarm 1 Channel 1 Sets an absolute process alarm temperature setting A process alarm occurs when the input 1 temperature including offset is above this setting This parameter only appears when the selected application software set uses temperature input 1 and is set to either or a Range 1004 to 12009 38 to 649 C Default 1200F 649 C Hardware amp Software Setup Guide Watlow M n GHEr 2000 47 Definitions of Functions Parameters and Values setup Function continued Low Deviation Alarm Channel 1 Sets a relative low deviation temperature alarm A low deviation alarm occurs when the input 1 temperature including offset is below set point minus this setting This
18. of this guide e Use 6 32 mounting studs x 0 50 length minimum either pressed or welded Install the unit with either a horizontal or vertical mounting collar position e Install mating connectors to unit Note This device should be used in systems that incorporate a separate high limit device for safety Mounting Collar in horizontal position MINICHEF 2000 Controller Figure 8 Mounting the MiniCHer 2000 8 Watlow MINICHEF 2000 Hardware amp Software Setup Guide step 1 Install the Controller Panel Knock out Pattern for a Mounting Collar in a Horizontal Position 1 660 in 1 530 in 1 250 in O D 0 875 in 0 375 in O 875 in ref O g0 53 in 6 gi ni in 10 O wi gt vi 0 250 in O O 6 32 stud 4 minimum recommended l length 0 50 in a C L N R ae E Figure 9a Pattern for horizontal panel 16 or 18 gauge thick oe we oe Oo e Kg sss OS OS FS ZZ E 2 462 in 2 125 in 1 662 in 1 530 in 1 250 in 0 875 in 0 125 in 0 000 in C L Figure 9b Pattern for horizontal panel 20 or 22 gauge thick O O C 90 135 in 8 0 375 in e ge 800 in ref 90 53 in 6 gt stud 4 minimum recommended length 0 50 in Hardware amp Software Setup Guide Watlow M n GHEr 2000 9 step 1 Install the Controller Panel Knock out Pattern for a Mounting Collar in a Vertical Position
19. the menu parameters When is set to BEA the menu parameters are not adjustable This parameter only appears when the selected application software set has pre programmed or saved menus Range WT Default Thermocouple Type Selects the type of thermocouple sensor used Both thermocouple inputs must be of the same type when using two This parameter appears only when the control has thermo couple type inputs and the selected application software set uses at least one tempera ture input Range SEE iT Default Note denotes type K thermocouple RTD Curve Selects the RTD resistance temperature detector curve When utilizing two RTD inputs both must use the same curve This parameter only appears when the control has RTD type inputs and the selected application software set uses at least one temper ature input Range FHF Default WatCurve Temperature Compensation Turns the WatCurve temperature compensation feature on or off This parameter appears only when the selected application software set uses at least one temperature output in combination with a count down timer Range HFT Default Temperature Offset Channel 1 Adds a relative offset to the sensed temperature of input 1 This parameter appears only when the selected application software set uses temperature input 1 Range 99 to 99 55 to 55 Default 0 Temperature Offset Channel 2 Adds a relative offset to the sensed temperature of input 2 This pa
20. to 24V ac stepdown transformer class 2 quick connect terminals included 208 240 V to 24V ac step down transformer class 2 quick connect terminals included A001 0298 0000 0238 0679 0000 0830 0479 0000 A001 0249 0001 A001 0249 0002 Recommended Sources of Supply for Miscellaneous Items DURA TECH Inc LaCrosse WI 608 781 2570 Custom Membrane Faceplates AMP Inc Harrisburg PA 1 800 522 6752 Prototyping EPROM Extraction Tool Part No 821980 1 Pin Crimping Hand Tools Part No 90325 1 or 58514 1 Pin Extraction Hand Tool Part No 455822 2 RIA Electronic Inc RIACON Connectors Eatontown NJ 908 389 1300 M n CHEF 2000 Documentation WMC2 XUGN 0000 WMC2 XADN 0000 WMC2 XTDN 0000 WMC2 XSGN 0000 WMC2 XAGN 0001 WMC2 XAGN 0002 WMC2 XAGN 0003 WMC2 XAGN 0004 WMC2 XAGN 0005 WMC2 XAGN 0006 WMC2 XAGN 0007 The Complete MINICHEF 2000 User Guide The Complete MINICHEF 2000 User Guide on CD Mm oer 2000 Tutorial Disk Hardware amp Software Setup Guide Cook amp Hold Oven Application Guide Convection Oven Application Guide Deepfat Fryer Application Guide Griddle Application Guide Timer Application Guide Shelf Timer Application Guide Rotisserie Oven Application Guide 62 Watlow M n GHEr 2000 Hardware amp Software Setup Guide Warranty and Returns Watlow Controls Watlow Controls is a division of Watlow Electric Mfg Co St Louis Missouri a manu
21. 000 aa aa MINICHEF 2000 A 1130 3 With the desired time on the display press the Enter key The new value will be saved and the unit will return to the Operation Mode MINICHEF ETA S E z Depending on how the controller was programmed in the Configuration Mode one of the following will appear on the display Time of day if HAHA HEFTIR is set to TSS in the Configuration M ode or f ROSSI YS s Set to ry in the Configuration M ode 30 Watlow MiniCHer 2000 Hardware amp Software Setup Guide step 7 Design Membrane Overlay Step 7 Design Membrane Overlay In Step 7 design the membrane overlay for the front controller panel Follow the design guidelines here but for suggestions about designs suitable for specific applications see the Suggested Overlay Design in each application guide 1 Design guidelines 4 125 in Ref 1 250 in l 1 713in __y gt 1 530in gt i O 3 250 in Ref 125 in d 000 in O l 500 in 000 in 500 in Recommended material 008 thick polyester with 002 thick 3M adhesive or equivalent Other materials and thicknesses should be qualified by customer Figure 31 Membrane guidelines for a horizontal unit 1 875 in 0O Red transparent window no adhesive in this area 700 in Ref A mmm Mounting collar outline Shown in horizontal orientation l l 125 i
22. E On the Protoyping Training Overlay the center key in the bottom row which allows user to return to the original value when editing a value Home key D On the Protoyping Training Overlay the left key in the bottom row which allows user to move directly to Operation Mode with a 2 second key press Up arrow key C On the Protoyping Training Overlay the right key in the top row which allows user to move up the lists 58 Watlow MiniCHer 2000 Hardware amp Software Setup Guide Glossary Manual control A way of operating foodservice equipment that requires end users to select and use manual setting keys Manual Setting keys Keys that allow end users to manually set time temperature etc individually Menu Set of cooking instructions that can be programmed into the M n CHEF for end user convenience A menu can include times temperatures fan speeds etc Menu Select key A key that allows end users to access and select from a list of pre programmed menus On off control On off control switches the output either full on or full off depending on the input set point and hysteresis values The hysteresis value creates a buffer zone that increases the time interval that the output is off or on With hysteresis set to 12the process value would stay closer to the set point but the output would switch on and off more frequently causing chattering Operation Mode The end user mode that occurs after power up It allo
23. Leichtindustrieumwelt Klassifikation Nennspannung 24 V V Wechselstrom Nennfrequenz 50 60 Hz Maximaler Leistungsverbrauch 15 W Erfullt die wichtigsten Normen der folgenden Anweisung en der Europ ischen Union unter Verwendung des wichtigsten Abschnitts bzw der wichtigsten Abschnitte der normalisierten Spezifikationen und der untenstehenden einschlagigen Dokumente 89 336 EEC EWG Elektromagnetische Vertr glichkeit EN 50082 2 1995 EMC Rahmennorm f r St rsicherheit Teil 1 Wohngegenden Handelsverkehr und Leichtindustrie EN 61000 4 2 1995 Elektrostatische Entladung EN 61000 4 4 1995 Elektrische schnelle St e EN 61000 4 5 1995 SpannungsstoBimmunit t EN 61000 4 6 1996 St rimmunit t EN 61000 4 8 1993 Magnetische Felder EN 61000 4 11 1994 Immunit t gegen Spannungsgef lle kurze Unterbrechungen und Spannungsabweichungen ENV 50140 1994 Strahlungsimmunit t ENV 50204 1995 Mobiltelefon EN 50081 2 1994 EMC Rahmennorm f r Emissionen Teil 1 Wohngegenden Handelsverkehr und Leichtindustrie EN 55011 1991 Beschr nkungen und Methoden der Messung von Funkst rungsmerkmalen industrieller wissenschaftlicher und medizinischer Hochfrequenzger te Klasse B 72 23 EEC EWG Niederspannungsrichilinie EN 60730 1 1993 Automatische elektrische Regelsysteme f r den Haushalt und hnlichen Einsatz Teil 1 Allgemeine Richtlinien EN 60730 2 9 1995 Automatische elektrische Regelsysteme f r den Haushalt und hnlich
24. PID 1Hz e Control outputs 100HZz Display 10Hz The MINICHEF 2000 controller is to be used in systems with an external high temperature limiting device Thermocouple lead resistance of 2000 causes lt 1 C error RTD 22 gauge wire will not contribute more than 0 086 F error ft Dual channel applications require either two thermocouple sen sors or two identical RTD sensor types For mating connector information see Ordering Information Accessory section Certified for thermometer accuracy oven and hot food holding applications from 32 F to 60 F when used with RTD or type J thermocouple probes 60 Watlow MiniCHer 2000 Hardware amp Software Setup Guide Ordering Information Ordering Information 1033 F2HA 1 AA MiniCHer 2000 Cooking controller with numerous food equipment application software sets single and dual channel on off or PID temperature regulation timer and machine function control microprocessor based programmable auto tuning WatCurve WatHelp diagnostics 24V ac power input agency approved flush mounted membrane faceplate supplied by customer Inputs 1 Dual thermocouple Type J K or E 2 Dual RID platinum 100Q curve selectable 3 Dual RTD platinum 500Q curve selectable 4 Dual RTD platinum 1000 curve selectable Note All models include two event inputs switched dc logic signal non isolated Output Number 1 1 Switched dc 5V nominal
25. ange 0 00 to 99 99 minutes repeat Default 0 00 minutes repeat y Channel 1 Rate Sets the rate derivative gain for output 1 A value of 0 00 shuts the rate off This parameter only appears when the selected application software set uses temperature output 1 and DI is set to RF and is set to TE Range 0 00 to 9 99 minutes Default 0 00 minutes Hardware amp Software Setup Guide Watlow M n GHEr 2000 49 Definitions of Functions Parameters and Values Thermal Function continued Channel 1 Derivative Sets the derivative gain for ot 1 A value of 0 00 shuts the derivative off This parameter appears when the selected application software set uses temperature output 1 and GEI is Set to EP and is Set OR Range 0 00 to 9 99 minutes Default 0 00 minutes Pain Channel 1 Cycle Time Sets the PID cycletime for output 1 This parameter only appears when the selected application software set uses temperature output 1 and is set to EL Range 1 to 60 seconds Default 5 seconds Channel 2 Proportional Band Sets the relative proportional band for output 2 This parameter only appears when the selected application software set uses temperature output 2and z 1a is set to __ Pid Range 1 to 999 1 to 555 Default 254 14 HATE Channel 2 Reset Sets the reset integral gain for output 2 A value of 0 00 shuts reset off This parame ter only appears when the selected application software set uses a temperature output fr
26. applied wrong faceplate overlay to system e Operator error e Defective key switch Note See definitions of temperature alarms on page 55 Verify the correct software Application Number is programmed Access WatH elp Diagnostics and make note of parameter value Refer to programming guide Consult factory 40 Watlow M n GHEF 2000 Hardware amp Software Setup Guide Troubleshooting Ghart Symptom ndication Possible Causes Possible Solutions Keys inoperative or hard to press e Misalignment of controller to metal faceplate Menu key is inactive due to pro grammed menu time set to zero Operator error Defective key switch Ensure proper mounting of con troller If Menu key is inoperative verify that a time greater than zero is pro grammed into the Menu program for that key Refer to the programming guide Consult factory Return to factory Faceplate Overlay is dam aged or cracked Edges are lifting up Faceplate overlay not designed or installed properly Contact factory to replace faceplate overlay to avoid contamination of controller electronics If overlay is damaged take extreme care when cleaning area around controller Do not wash wipe or spray damaged area with liquid cleansers Refer to Faceplate Overlay design guidelines Controller does not beep when keys are pressed e at the end of Menu cycles Specified system does not have an audible a
27. aracter sticas de perturbaciones de radio correspondientes a equipos de radiofrecuencia industriales cient ficos y m dicos Clase B 73 23 EEC Directiva de Baja Tensi n 1993 Controles el ctricos autom ticos para electrodom sticos y aparatos de uso similar Parte 1 Requerimientos generales EN 60730 2 9 1995 Controles el ctricos autom ticos para electrodom sticos y aparatos de uso similar Parte 2 Requerimientos particulares Secci n 2 9 Controles para detecci n de temperatura EN 60730 1 Erwin D Lowell Name of Authorized Representative Winona Minnesota USA Place of Issue General Manager March 1997 Title of Authorized Representative Date of Issue Se Signature of Authorized Representative 1031 66 Watlow M n GHEF 2000 Hardware amp Software Setup Guide Index Notes Hardware amp Software Setup Guide Watlow M n GHEF 2000 67 Index Notes 68 Watlow MiniCHer 2000 Hardware amp Software Setup Guide Index Notes Hardware amp Software Setup Guide Watlow M n GHEF 2000 69 Watlow M n CHEF 2000 Hardware amp Software Setup Guide Watlow Controls 1241 Bundy Blvd P O Box 5580 Winona MN U S A 55987 5580 Phone 507 454 5300 Fax 507 452 4507
28. arameters or values Enter key B Enter the value and return to previous level Home key D Move to Operation Mode with a two second key press Escape key E Return to Original value when editing Up key C Move Down key F Move a parameter value up the lists down the lists Note To order this helpful Prototyping Training Overlay see Ordering Information in this guide Note In the Operation Mode the keys will function differently depending on the chosen application number For more information see individual application guides Hardware amp Software Setup Guide Watlow MINICHEF 2000 17 step 3 Configure the Controller Software Structure The MiniCHer 2000 software uses three modes Configuration Mode Programming Mode and Operation Mode and each mode contains up to three levels of functions parameters and values The Operation Mode is the default mode MINICHEF 2000 From the Menu Programming Mode press the se WW 36 a Home and Escape Fe keys for two seconds to view the functions J FUNCTIONS Press the Up or Down arrow key to scroll through the functions Press the Edit key to Aao view the parameters of the selected function Edit between the parameter and its value APPL The display switches PARAMETERS Press the Up or Down arrow key to scroll through the parameters and their values Press the Edit key to display the values of the sel
29. ation Warranty and Returns Policy Index Declaration of Conformity Application Number Guide Cook amp Hold Ovens Application 1 Application 2 Application 3 Application 4 Application 5 Application 6 Convection Ovens Application 7 Application 8 Application 9 Deepfat Fryers Application 10 Application 11 Application 12 Application 13 Application 14 Application 15 Application 16 Application 17 Application 18 Application 19 Griddles Application 20 Application 21 Application 22 Application 23 Timers Application 24 Application 25 Shelf Timer Application 26 Rotisserie Ovens Application 27 Application 28 Automatic Cook amp Hold Oven with Meat Probe Option Automatic Cook amp Hold Oven with Meat Probe Option Automatic Cook amp Hold Oven Automatic Cook amp Hold Oven Manual Cook amp Hold Oven with Meat Probe Option Manual Cook amp Hold Oven Automatic Convection Oven Automatic Convection Oven Manual Convection Oven Automatic Deepfat Fryer with Autolift Control Automatic Deepfat Fryer with Autolift Control Manual Deepfat Fryer with Autolift Control Pressurized Automatic Deepfat F ryer Pressurized Automatic Deepfat Fryer Pressurized Manual Deepfat Fryer Automatic Deepfat Fryer Automatic Deepfat Fryer Automatic Deepfat Fryer Manual Deepfat Fryer Automatic Clam Shell Griddle Manual Clam Shell Griddle Automatic One Sided Griddle Manual One Sided Griddle Automatic Timer Manual Timer
30. ations System may need to warm up 36 Watlow M n GHEF 2000 Hardware amp Software Setup Guide Troubleshooting Ghart Symptom ndication Possible Causes Possible Solutions appears on the display e Over range Error has occurred on channel 2 e Controller measures a temperature above the allowable operating range e Temperature sensor lead wires for channel 2 are improperly terminated lead wires are reversed e Controller is misapplied Refer to sensor wiring instruc tions Refer to controller specifications System may need to cool down Evaluate the system high temper ature limiting device appears on the display e Ambient temperature surrounding the controller is too high or too low Adjust system or environment such that the ambient air sur rounding the control is above 0 C and below 80 C Refer to controller specifications briefly appears on the display when power is turned on Time of day no longer appears on the display The word or some other word appears on the display e Real time Clock Error prohibits the time of day to appear on the display If the application does not require the Power Loss Menu Resume feature then this error IS a non critical error The con troller will operate normally with the exception of no longer displaying the time of day To cor rect the error return controller to the factory If the application requires dis playing ti
31. back of the controller not of the mating connector gt 1 Figure 14a Switched DC Option 5V nominal 30mA non isolated Form A 0 4A with or without RC Suppression F2 2__ without RC Suppression F2 3 with RC Suppression Figure 14b Solid state Relay Option Note Not all software applications reguire Output 1 For specific information consult the application guide for the application you are using 14 Watlow M n GHEr 2000 Hardware amp Software Setup Guide step 2 Wire the Controller Output 2 Note The following illustrations are views of the back of the controller not of the mating connector gt lt I Figure 15a Switched DC Option 5V nominal 30mA non isolated FormA 0 4A with or without RC Suppression F2 2 without RC Suppression F2 3 with RC Suppression Figure 15b Solid state Relay Option Note Not all software applications require Output 2 For specific information consult the application guide for the application you are using Hardware amp Software Setup Guide Watlow MiniCHEF 2000 15 Step 2 Wire the Controller Event Output 1 and Event Output 2 Note The following illustrations are views of the back of the controller not of the mating connector F2 I O switched dc 5V nominal 30mA non isolated outputs Figure 16a Event Outputs A Warning If event outputs 1 amp 2 are used to cause or initiate machin
32. cksum error Cycle the power to the controller off on f IS reappears on the display return controller to factory appears on the display e Controller EEPROM component malfunction checksum error Cycle the power to the controller off on f IS reappears on the display return controller to factory appears on the display e Controller RAM memory malfunc tion Cycle the power to the controller off on f a man reappears on the display return controller to factory appears on the e Calibration Error Return controller to factory display Controller is out of calibration appears on the e A D Underflow Error has occurred e Confirm temperature sensor com display on channel 1 patibility Compare controller part e Temperature sensor for channel 1 IS incompatible with controller e Temperature sensor lead wires for channel 1 are improperly terminat ed lead wires are reversed e Channel 1 measures a condition below the controller temperature range Note For definitions of errors see pages 56 57 number and specification to the cho sen sensor Refer to the controller part number on the sticker label or view the con troller part number by accessing the WatH elp Diagnostics Function For controllers requiring thermocou ple sensors confirm that the parameter is set tothe proper thermocouple curve For controllers requiring RTD sen sors confirm that the param
33. commercial et industriel l ger EN 61000 4 2 1995 D charge lectrostatique EN 61000 4 4 1995 Transitoires rapides lectriques EN 61000 4 5 1995 Immunit aux surtensions EN 61000 4 6 1996 Immunit conduite EN 61000 4 8 1993 Immunit aux champs magn tiques de fr quence industrielle EN 61000 4 11 1994 Immunit aux chutes de tension br ves interruptions et variations de tension ENV 50140 1994 Immunit rayonn e ENV 50204 1995 T l phone cellulaire EN 50081 1 1994 Norme g n rique sur les missions Partie 1 Environnement r sidentiel commercial et industriel l ger EN 55011 1991 Limites et m thodes de mesure des caract ristiques des perturbations radio lectriques des appareils industriels scientifiques et m dicaux Classe B 73 23EEC Directive sur les basses tensions 1993 Commandes lectriques automatiques usage domestique et similaire Partie 1 Exigences g n rales EN 60730 2 9 1995 Commandes lectriques automatiques usage domestique et similaire Partie 2 Exigences particuli res Section 2 9 Commandes de d tection de la temp rature EN 60730 1 WMC2 XCEM Erkl rt da das folgende Produkt Deutsch Beschreibung MINICHEF 2000 Modellnummer n F2 H oder U A oder C 1 2 3 oder 4 1 2 oder 3 1 2 oder 3 1 0 oder 1 0 oder 1 2 beliebige Buchstaben oder Zahlen Eingebautes elektronisches Temperaturregelsystem der Klasse Ill Typ 2C Aktion f r den Einsatz in der
34. curity the end user may be able to access the Program Mode to change parameter values based on menu See instructions in this guide 6 Set Real time Clock This applies only to controllers purchased with the Real time Clock option It allows you to see the time of day instead of idle on the display 7 Design faceplate overlay e Use the Overlay Design Guidelines in this guide to design manufacture and apply a membrane overlay for the controller faceplate This custom designed overlay becomes the end user interface e For overlay designs to suit specific applications see the suggestions in each applica tion guide 8 Operate the Mut ur 2000 e Usethe Operation Mode to run the installed controller This is the default mode Operation instructions are included in each application guide Hardware amp Software Setup Guide Watlow M n GHEF 2000 9 General Description General Description Getting to know your MiniCuer 2000 Front view Back view shown with mating connector terminals installed Mating connectors and terminals are purchased separately VE INPUT Nor NPU NoT pa 3 00 in Figure 6a Front and back view a 413 in Mounting collar Figure 6b Mounting collar Dimensions Overall width x height x depth Includes MiniCHEF 2000 with mounting collar and space required for mating connectors Does not include wire bundle space requirements 4 13 in x 3 25 in x 2 00
35. d Values Definitions of Functions Parameters and Values Configuration Mode aart Equipment Type Function Configures control for application and sounds Talim Application Number Selects the application software set for the controller Range 1 20 Default 20 Application Number Security Lock Choose between and to lock the Application Number When is set to BEETA the Application Number is not adjustable Range CT GEERT Default Pressure Release Time Sets the number of seconds before the completion of a menu when the pressure output is released Range 1 120 sec Default 60 Audible Alarm Sound Type of audible alarm that will sound at the completion of a menu cycle or at the end of a hold cycle Range 0 5 Default 0 0 no alarm sound at the end of menu 1 alarm sounded for 2 seconds 2 alarm sound alternatives on off every second for 20 seconds 3 3 short beeps followed by 1 second off this cycle repeats itself for 20 seconds 4 alarm sounds on off every second continuously 5 alarm is on solid continuously Note All alarms can be silenced by pressing the appropriate key once Basket Travel Time This is the number of seconds that the output for basket lift drop will be on This prompt is only visible on applications with automatic basket lift Range 0 30 seconds Default 2 seconds Preheat Temperature The temperature that the control will preheat to upon power up This prompt is only visible on so
36. dware amp Software Setup Guide Watlow M n GHEr 2000 21 Step 4 Program the Menus 5 To edit a value with the parameter on the display press the Edit key The first value in a list of values will appear on the display MINICHEF sa DCH 6 Tochangea value press the Down arrow key to move down press the Up arrow key to increment up 7 Toenterthenew value with the value on the display press the Enter key The value will be entered and you will return to the parameter list If you do not want to enter the new value press the Escape key You will return to the parameter list without making the change The parameter and it s original value will alternate on the main display 8 Repeat 2 through 7 until all values for the menu have been programmed 9 Toleave the parameter list press the Enter key You will move to the menu list 10 Repeat 2 through 9 until all desired menus have been programmed It is not required that all menus be programmed If any total menu time is set to zero the menu key is disabled in the Operation Mode 11 To leave the menu list and exit the Program Mode press the Enter key Note A second way to immediately exit the Program Mode is to press the Home key for 2 seconds To Review Menu Values Repeat 1 through 4 for each menu Repeat 9 and 11 to exit 28 Watlow MiniCHer 2000 Hardware amp Software Setup Guide step 5 Set Controller Security Step 5 Set Control
37. e motion appropriate reasonable care should be taken to prevent personal injury or machine damage as a result of machine motion Note Not all software applications require event outputs 1 amp 2 For specific information consult the application guide for the application you are using Output 5 Audible Alarm Output Signal Option Note The following illustrations are views of the back of the controller not of the mating connector Alarm signal available at connector 5V nominal 30ma non isolated F2__ 0 unit without internal audible alarm Figure 16c Switched DC Note Pin 5 is shared with event output 2 wiring 16 Watlow M n GHEr 2000 Hardware amp Software Setup Guide step 3 Configure the Controller Step 3 Configure the Controller Overview of Configuration Get to know the keys and how they function in different modes Review configuration and programming procedures in this guide Choose applications functions parameters and values see Application Software Selection Table in this guide Review the operating instructions in each application guide Get a complete idea of how the application works Controller Front Panel Layout During configuration and programming this is how the keys work MINICHEF 2000 EEE Display Five digit seven o segment numeric LED display Li gt Indicator lights 1 for each key 2 for heat channels Edit key A Access the next level of p
38. easured temperature of a channel exceeds the pro cess alarm parameter value The measured temperature includes any offsets pro grammed in the control parameters Low deviation alarm channel 1 channel 2 A low deviation alarm occurs when the measured temperature of a channel drops below the current setpoint minus the low deviation parameter value The measured tempera ture includes any offsets programmed in the control parameters High deviation alarm channel 1 channel 2 A high deviation alarm occurs when the measured temperature of a channel rises above the current setpoint plus the high deviation parameter value The measured tempera ture includes any offsets programmed in the control parameters Note See the Troubleshooting Chart in this Appendix for probable causes and possible solutions to alarm situations Hardware amp Software Setup Guide Watlow M n GHEF 2000 JO Definitions of Errors Definitions of Errors This control has the ability to detect different error conditions The outputs of the control will be shut off when any error condition occurs If a menu is running it will be canceled upon any error condition Only one error will be displayed at a time The error with the highest priority will be the one displayed When displaying errors an error message will alternate with the normal display Errors will only be displayed in the operational mode Errors i and are latching meaning that once they
39. ected parameter Edit VALUES Press the Up or Down arrow key to scroll through the range of values Figure 18 Navigating in Configuraton Mode Press the Enter key to return to idle Se De Home Press the Home key for three seconds to return to idle Press the Enter key to return to the menus D e Enter Press the Home key for two seconds to return to idle e Home Press the Enter key to save the new value and return to the parameters e Fe Press the Escape key to return to the parameters without saving the new value 18 Watlow MiniCHer 2000 Hardware amp Software Setup Guide step 3 Configure the Controller From the Operation Mode press the Up and Down arrow keys for two seconds to view the menus MENUS nn Press the Up or Down arrow key to scroll through the menus Press the Edit key to A view the parameters of the selected menu Edit between the parameter The display switches and its value SE PE Cm PARAMETERS Press the Up or Down arrow key to scroll through the parameters and their values r A6 Press the Edit key to display the values of Edit the selected parameter VALUES JeF Press the Up or Down arrow key to scroll through the range of values Figure 19 Navigating in Menu Programming Mode MINICHEF 2000 Press the Enter key to return to idle B e D 6 Home Press the Home k
40. edure Power up the control 24V ac source required L Access the Configuration Mode by pressing the Up arrow and Down arrow keys simultaneously for two seconds for automatic applications will appear on the display RS will appear in manual applications Then press the Home key and the Escape key simultaneously for two seconds ery will appear on the display It is the first in a list of functions You are now in the Configuration Mode 2 To move down the list of functions press the Down arrow key To move up press the Up arrow key esch Ges LE 3 Toaccess the parameter list with the appropriate function on the display press the Edit key Thefirstin a list of parameters will appear on the display which will alternate between the parameter and its value 4 Tomovedown thelist of parameters press the Down arrow key To move up press the Up arrow key MINICHE 07 zi OL 9 ul E MINICHEF 2000777 Ga e e 5 Toaccessa parameter in order to change its value with the parameter on the dis play press the Edit key The first in a list of values will appear on the apa Hardware amp Software Setup Guide Watlow M n GHEF 2000 23 step 3 Configure the Controller Note When you are configuring your controller always edit 77X77 and set the application number first for example III GTi The parameters that follow are based on it In general parameters that appear ear lier on the
41. el L e Channel 1 sensor measures a high temperature that exceeds the allowable deviation above the pro grammed setpoint e Determine if High or Low Deviation Alarms are required for channel 1 If neither are required access the parameter and set the value to disable the deviation alarms choosing or W E Refer to programming guide e If Deviation Alarms for channel 1 are required confirm that the parameter is set to the proper value for the application e The Offset parameter can affect the alarm point Confirm that the parameter is set properly e System may require service appears on the display System seems to be over heating Deviation Alarm indicating a high temperature condition for channel 2 e Channel 2 sensor measures a high temperature that exceeds the allowable deviation above the pro grammed setpoint e Determine if High or Low Deviation Alarms are required for channel 2 If neither are required access the parameter and set the value to disable the deviation alarms choosing or W E Refer to programming guide e If Deviation Alarms for channel 2 are required confirm that the parameter is set to the proper value for the application e The Offset parameter can affect the alarm point Confirm that the parameter is set properly e System may require service appears on the display System seems to be under heating Deviation Alarm indicating a low temperature condition for cha
42. en Einsatz Teil 2 Spezifische Richtlinien Abschnitt 2 9 Temperaturregelsysteme Declara que el producto siguiente Espa ol Designaci n MINICHEF 2000 N meros de modelo F2 H o U A o C 1 2 3 4 1 2 3 1 2 3 1 0 1 0 1 Cualquier combinaci n de dos letras o n meros Control de temperatura electr nico incorporado Clase IIl acci n tipo 2C para uso en aplicaciones de industria ligera Clasificaci n Tensi n nominal 24 V Vca Frecuencia nominal 50 60 Hz Potencia de entrada m xima 15 vatios Cumple con los requisitos esenciales de las siguientes Directivas de la Uni n Europea usando las secciones pertinentes de las reglas normalizadas y los documentos relacionados que se muestran 89 336 EEC Directiva de Compatibilidad Electromagn tica EN 50082 1 1995 Norma de inmunidad gen rica del EMC Parte 1 Ambiente residencial comercial e industria ligera EN 61000 4 2 1995 Descarga electrost tica EN 61000 4 4 1995 Perturbaciones transitorias el ctricas r pidas EN 61000 4 5 1995 Sobretensi n EN 61000 4 6 1996 Inmunidad conducida EN 61000 4 8 1993 Campos magn ticos EN 61000 4 11 1994 Ca das de tensi n interrupciones breves y variaciones de tensi n ENV 50140 1994 Inmunidad radiada ENV 50204 1995 Tel fono port til EN 50081 1 1994 Norma de emisi n gen rica del EMC Parte 1 Ambiente residencial comercial e industria ligera EN 55011 1991 L mites y m todos de medici n de c
43. enu Alarms are advisory alarms only and do not affect the controllability of the system This parameter offers a choice of words that appears on the display during the Mid Menu Alarm Condition These alarms silence automatically after a few seconds Range none stir add flip turn alert Default none Mid Menu Alarm Time As a menu is activated and time is counting down to zero the Mid Menu Alarm Time is the amount of time remaining in the countdown sequence at which time the Mid Menu Alarms sound and display Range 0 tinel Default 0 54 Watlow MINICHEF 2000 Hardware amp Software Setup Guide Definitions of Temperature Alarms Definitions of Temperature Alarms If there is a problem during operation an alarm message will appear on the main dis play Alarm messages are self clearing They will go away when the condition causing the alarm goes away Only one alarm will be displayed at a time The alarm with the highest priority will be the one displayed The priority is as follows starting with the highest channel 1 pro cess channel 1 high deviation channel 1 low deviation channel 2 process channel 2 high deviation channel 2 low deviation When displaying alarms an alarm message will alternate with the normal display Alarms will only be displayed in the operational mode The outputs of the control will not be affected in any way by an alarm Process alarm channel 1 channel 2 A process alarm occurs when the m
44. er is misapplied Refer to sensor wiring instructions Refer to controller specifications System may need to warm up appears on the display e Over range Error has occurred on channel 1 e Controller measures a temperature above the allowable operating range e Temperature sensor lead wires for channel 1 are improperly terminated lead wires are reversed e Controller is misapplied Refer to sensor wiring instructions Refer to controller specifications System may need to cool down Evaluate the system high tempera ture limiting device Hardware amp Software Setup Guide Watlow M n GHEF 2000 35 Troubleshooting Ghart Symptom ndication Possible Causes Possible Solutions appears on the display e A D Underflow Error has occurred on channel 2 Temperature sensor for channel 2 is Incompatible with controller Temperature sensor lead wires for channel 2 are improperly terminat ed lead wires are reversed Channel 2 measures a condition below the controller temperature range Confirm temperature sensor compati bility Compare controller part num ber and specification to the chosen sensor Refer to the controller part number on the sticker label or view the con troller part number by accessing the WatH elp Diagnostics Function For controllers requiring thermocou ple sensors confirm that the parameter is set to the proper thermocouple curve For controllers requiri
45. eratures outside the sensor range Under range error channel 1 channel 2 The under range error occurs when the control is unable to accurately calculate the temperature even though the A D is able to measure the signal This is caused by mea suring temperature below the temperature range of the control 56 Watlow MiniCHer 2000 Hardware amp Software Setup Guide Definitions of Errors Over range error channel 1 channel 2 The over range error occurs when the control is unable to accurately calculate the tem perature even though the A D is able to measure the signal This is caused by measur ing temperature above the temperature range of the control Ambient out of range error An ambient out of range error occurs when the ambient sensor produces a signal that is either above or below the range of temperatures that can be calculated for ambient This range of temperatures is larger than the operational range of the control its self Real time Clock error A Real time Clock error occurs when timekeeping components fail This error message will appear in the display only at power up When this error occurs the controller dis ables the Real time Clock functions and the Power Loss Menu Resume function The part number in Wathelp diagnostics will changefromF2HA 1 O toF2HA 0 Order of Priority The order of priority is as follows starting with the highest EPROM checksum error EEPROM checksum error RAM error Ca
46. eshooting the system BILD Date of Manufacture Code Shows the manufactured date code of the controller Cannot be changed Serial Number Shows the serial number of the controller Cannot be changed III Part Number 1 Shows the first four characters of the controller part number Cannot be changed Pa Part Number 2 Shows the second four characters of the controller part number Cannot be changed EAE Part Number 3 Shows the third four characters of the controller part number Cannot be changed Software Revision Number Displays the software revision number for the controller Cannot be changed lim Application Displays the application software set for the control Range 1 28 Default 20 Key Function Identification Setting to will activate a review of the function of the keys The key indicators will light and the corresponding key function will appear in the display Range Yes no izi Display Test Lights up all display and individual LE D s for verification that they work properly Visual test only Cannot be changed Output Test To assist in system troubleshooting forces on each output for verification that all out puts work Outputs return to normal when parameter is set toga or the user exits the test Range 0 6 Default 0 O all outputs are in a normal state l only Output 1 is on 2 only Output 2 is on 3 only Event Output 1 is on 4 only Event Output 2 is on 5 only Output 5 is on 6 all output
47. eter is set to the proper RTD curve Refer to sensor wiring instructions Refer to controller specifications 34 Watlow M n GHEF 2000 Hardware amp Software Setup Guide Troubleshooting Ghart Symptom I ndication Possible Causes Possible Solutions appears on the display e A D Overflow Error has occurred on channel 1 e Temperature sensor or circuit for channel 1 is open or damaged e Temperature sensor for channel 1 is Incompatible with controller e Channel 1 measures a condition above the controller temperature range Evaluate condition of channel 1 sensor and circuitry Confirm temperature sensor com patibility Compare controller part number and specification to the chosen sensor Refer to the controller part number on the sticker label or view the controller part number by access ing the WatHelp Diagnostics Function For controllers requiring thermo couple sensors confirm that the parameter is set to the proper thermocouple curve For controllers requiring RTD sen sors confirm that the parameter is set to the proper RTD curve Refer to sensor wiring instructions Refer to controller specifications appears on the display e Under range Error has occurred on channel 1 e Controller measures a temperature below the allowable operating range e Temperature sensor lead wires for channel 1 are improperly terminat ed lead wires are reversed e Controll
48. ettings and end application Default 0 Fan 2 This is the second fan setting Range On OFF Lo Hi Default OFF Probe This turns the meat food probe on or off for the current menu Range On or OFF Default OFF Taa Probe Temperature This is the probe temperature setting Range range low to range high Default range low ma a Hold Set Point This is the hold setpoint temperature Range range low torange high Default range low Hold Time This is the hold time Range depends upon time format other time settings and end application Default 0 Hold Fan This is the hold fan setting Range WEE Gia WE Default Hardware amp Software Setup Guide Watlow M n GHEF 2000 53 Definitions of Functions Parameters and Values Program Mode continued ai Set Point 3 This is the third cook set point temperature Range range low to range high Default range low Time 3 This is the third cook time Range depends upon time format other time settings and end application Default O Fan 3 This is the third fan setting Range On OFF Lo Hi Default OFF maam Set Point A This is the fourth cook set point temperature Range range low to range high Default range low ARAZ Time 4 This is the fourth cook time Range depends upon time format other time settings and end application Default O Man Fan 4 This is the fourth fan setting Range On OFF Lo Hi Default OFF Mid Menu Alarm Mid M
49. ey for three seconds to return to idle Press the Enter key to return to the menus BE e Enter Press the Home key for two seconds to return to idle JOR Home Press the Enter key to save the new value and return to the parameters e e Press the Escape key to return to the parameters without saving the new value Hardware amp Software Setup Guide Watlow MiniCHer 2000 19 step 3 Configure the Controller Configuration Mode Quick Reference This is a list of all functions parameters and values that are available through the Configuration Mode They are not all available for every application For a detailed explanation of parameters see the Appendix in this guide Function Parameter Value Your Setting Equipment Application Number 1 28 Type Application Number Yes No Security Lock Audible Alarm Sound 0 5 aera Basket Travel Time 0 30 sec Pressure ReleaseTime 1 120 sec from end of menu Preheat Temperature temp range low range high Idle Temp Number 1 temp range low range high Idle Temp Number 2 temp range low range high Timer output 4 Yes No Number of cooking steps lor 2 Oil Melt Cycle On Off FAn Fan Speed 1 speed 2 speed FTA Fan Delay Time 0 120 minutes Temperature Set Point temp range low temp range high Meat F ood Temperature Probe Yes No Setup Temperature Display Format X or F Time Display Format MMM SS HH MM H MM SS H Hours M Minutes S Seconds
50. ime before end of menu aaa Hold Set Point Temperature at which the oven will operate during hold sequence Hold Time Run time of hold sequence Hold Fan Speed of fan during hold time Temp range low to temp range high 0 infinite A setting gt 0 hold time Format varies based on configuration Single speed JF Two Speed Git WE 26 Watlow M n GHEF 2000 Hardware amp Software Setup Guide step 4 Program the Menus Procedure to program the menus This procedure applies only to automatic applications Menus for manual applications are explained in the application guides de 4 To enter the Program Mode press the Up arrow and Down arrow keys simultane ously for approximately two seconds will appear on the display This is menu number 1 the first in a list of sev eral You are now in the Program Mode MINICHEF 2000 se e a A on H H ESit Ascept b A H I Ext Back Ud on I pa D E H bh To move down the list of menus press the Down arrow key To move up press the Up arrow key To access thelist of menu parameters with the appropriate menu number on the display press the Edit key The first in a list of parameters will appear on the display The display will alternate between the parameter and its value MINICHEF 2000 To move down the list of parameters press the Down arrow key To move up press the Up arrow key Har
51. in with collar mounted in horizontal position 3 25 in x 4 13 in x 2 00 in with collar mounted in vertical position 6 Watlow MiniCHer 2000 Hardware amp Software Setup Guide General Description Mating Connectors purchased as an accessory not included See Accessories ordering information about the following mating connectors Sensor Input Mating Connector RIA Electronic Inc RIACON 31007106 6 positi on gui ck connect terminal screw connection for 28 14 AWG wires tighten to 7 in Ib Power Supply and Input Output Mating Connector Kit Kit includes one AMP 1 640523 0 quick connect terminal and fifteen AMP 641300 1 crimp pins Sensor Input Mating Connector Power Supply and Input Output Mating Connector Figure 7a Mating connectors Note Position mating connector with beveled edges at the top They are not visible from the front Label Information Main Label Part number Benz EaUA XXX1 XXXX Date Code DATECODE XXXXX S N XXXXX Serial number gt HIER OPER RANGE 0 80 DEG C Agency marks Pin designations Sensor input label If RTD sensors are specified If thermocouples are specified Figure b Labels Hardware amp Software Setup Guide Watlow M n GHEF 2000 Step 1 Install the Controller Step 1 Install the Controller e Select sheet metal 16 18 20 or 22 gauge panel e For panel knock out patterns see subsequent pages
52. in x 4 75 in is available as an Accessory WATLOW PART NO 0238 0679 0000 MINICHEF 2000 coo LI Li 32 Watlow MIniCHEF 2000 Hardware amp Software Setup Guide Appendix Appendix Troubleshooting Chart 34 Definitions of Functions Parameters Values 44 Definitions of Alarms and Errors 59 Glossaryoflerms 58 Specifications 60 Orderinginformation 61 Warranty and Returns Policy 63 Index 2c ee ehaee neen ge ead hee Se ees 64 DeclarationofConformily 66 Hardware amp Software Setup Guide Watlow M n GHEF 2000 33 Troubleshooting Ghart MiniGuer 2000 Troubleshooting Chart Symptom I ndication Possible Causes Possible Solutions Main display is blank No indicator lights Errors Messages 1 14 alternate on display with normal display e System power switch is off e System fuse is blown e System circuit breaker is tripped e System high limit device is latched e System wiring has open circuitry e Power supplied to controller does not meet specification Check the controller mating connec tors and system harness assemblies for proper installation Cycle the power to the controller off on Check power supply fuses switches breakers connectors wiring for proper connection appears on the display e Controller EPROM component mal function che
53. k Note All documentation of the M n CHEr 2000 is subject to change without notice Hardware amp Software Setup Guide Watlow M n GHEF 2000 63 Index Index A A D overflow error 56 A D underflow error 56 alarms 38 40 ambient out of range error 57 application 58 application number security lock 29 Application Software Selection Table 4 auto tuning 22 58 Automatic Control 58 B C calibration error 56 clam shell griddle 58 configuration 5 17 24 Configuration Mode 58 Configuration Mode Quick Reference 20 configuration procedure 23 24 connectors 6 7 controller front panel layout 17 controller security 29 convection ovens 4 58 cook amp hold ovens 4 58 D deepfat fryers 4 58 derivative 58 dimensions 6 DIN 58 E EEPROM checksum error 56 EPROM checksum error 56 Equipment Type 20 44 errors 34 37 definitions of 56 57 E 20 SE 20 ae 20 Ecc HE Ecc SE Ercc Su Eecc Eu Ecc SE EEE gt Ep gt EN gt 6 Eee icy HENE gt aE gt Event Inputs 1 and 2 13 Event outputs 1 and 2 16 F faceplate overlay 5 feedback 63 functions definitions of 44 54 G glossary 58 griddles 4 58 H hysteresis 58 Installation 5 8 integral 55 Introduction 3 J J apanese Industrial Standards Committee J ISC 58 Joint Industrial Standards J S 58 K keys 58 L label information 7 manual control
54. larm output or the audible alarm is defective The Key Chirp feature is not acti vated s The bm parameter value is set to E If controller part number format is F2XX XXXX X1XX a 1 in the tenth character and if the parameter is set to ont e If keys dont beep return controller to factory If no audible alarm occurs at the end of a Menu cycle and if Grr parameter is set to a number other than e return the controller to the factory If controller part number format is F2HA o 0 a 0 in the tenth character consult factory e Controller beeps every time a key is pressed eThe Key Chirp feature is activated Disable the Key Chirp feature by setting the parameter to FFE Menus cycles don t resume continue after power returns to the controller Power Loss Menu Resume feature doesn t seem to work e Controller configuration does not have Battery Real time Clock fea ture e The Power Loss Menu Resume fea ture is not activated e Battery is low or needs replace ment Confirm that the controller configu ration has the Battery Real time Clock feature Part number format isF2HA 1I a l in the ninth character Reprogram the controller setting the parameter to MET If problem persists return controller to factory Hardware amp Software Setup Guide Watlow M n GHEF 2000 41 Troubleshooting Ghart Symptom ndication Possible Causes
55. ler Security To Set Menu Security Lock Return to the Configuration Mode to the j7 Function and program the iy Parameter to adjust end user access When is set to the end user does not have access to the Menu Programming Mode and can only view parameter values When iS set to the end user has access to the Menu Programming Mode and can change parameter values To return to the Operation Mode press the Enter key twice To Set Application Number Security Lock Return to the Configuration Mode to the EELIJA F unction and the Parameter to adjust end user acess When is set to the user cannot change the Application Number The application number is secure from inadvertant changes When iS set to the user can change the Application Number To return to the Operation Mode press the Enter key twice Hardware amp Software Setup Guide Watlow M n GHEF 2000 29 Step 6 Set the Real time Clock Step 6 Set the Real time Clock These instructions are optional and apply only to controllers that are purchased with the Real time clock time of day option Part number example F 2 1 To set the time of day 1 Press the Edit key and Home key simultaneously for approximately 3 seconds You are now in the Real time Clock Program M ode MINICHEF 2000 MINICHEF 2000 WEHHHH a TR E a a Le 2 To change the time press the Up arrow or Down arrow key Note that indi cates a m and indicates p m MINICHEF 2
56. libration error Channel 1 A D underflow error Channel 1 A D overflow error Channel 1 under range error Channel 1 over range error Channel 2 A D underflow error Channel 2 A D overflow error Channel 2 under range error Channel 2 over range error Ambient out of range Real time clock error Note See the Troubleshooting Chart in this Appendix for probable causes and possible solutions to alarm situations Hardware amp Software Setup Guide Watlow M n GHEF 2000 57 Glossary Glossary of Terms Application Any of the 28 or more eguipment specific purposes for which the Mini CHEF 2000 includes software programs Each application has a number Automatic control One touch cooking which requires configuration of the prepro grammed menus Auto tuning A time saving feature auto tuning allows the controller to explore the responsiveness of the system in order to determine an effective set of parameters for PID control To do this it crosses an auto tune set point three times then controls at the normal set point using the new parameters Configuration Mode The level of programming in which equipment type features and parameters are specified Convection Oven An oven that uses a fan to circulate heat and minimize cooking times Cook and Hold Oven An oven that cycles between a cook cycle and a hold cycle in order to maintain food at a servable temperature or maximize meat tenderness Deepfat Fryer A fryer that cooks food in large
57. list can influence the parameters and values that follow 6 Tochange a value press the Down arrow key or the Up arrow key 7 To save the new value which is on the display press the Enter key You will return to the parameter list and the new value will flash to confirm that it has been accepted If you do not want to enter the new value press the Escape key You will return to the parameter list without making the change 8 Repeat 4 through 7 until all values for this application have been programmed To leave the parameter list press the Enter key You will move to the function list MINICHEF 2000777 hu An za ee GIS Eat AS ia Ase H i N y E 10 Repeat 2 through 9 until the Eguipment I ype Setup and Thermal functions have all been programmed The Diagnostics function is used for troubleshooting and is read only No programming required 11 To leave the function list and exit the Configuration Mode press the Enter key twice Note You can also exit the Program Mode from the parameter list or function list by pressing the Home key for two seconds or by pressing the Enter key repeatedly 24 Watlow MiniCHer 2000 Hardware amp Software Setup Guide step 4 Program the Menus Step 4 Program the Menus Program Mode Quick Reference These are the functions parameters and values that may be included in the Program Mode Not all parameters will appear Different parameters are relevan
58. me deep fat fryer applications Range temp range low range high Default temperature range low Idle Temperature Number 1 This is the effective setpoint when you press the idle one key This idle setpoint can only be regulated to during the idle state Range temp range low range high Default temperature range low 44 Watlow M n GHEr 2000 Hardware amp Software Setup Guide Definitions of Functions Parameters and Values Idle Temperature Number 2 This is the effective setpoint when you press the idle two key This idle setpoint can only be regulated to during the idle state Range temp range low range high Default temperature range low Oil Melt Cycle Turns the melt feature on or off This feature will allow the heaters to come on at only 10 power when the temperature is below 212 F This is visible on all deepfat fryer applications Range FY Ea Default MA3 Fan Speed This selects the fan type either 1 speed on off or two speed off lo hi This prompt is visible on convection ovens with a fan Range 1 speed 2 speed Default 1 speed Fan Delay Time Selects the amount of time in minutes after completion of a menu that the fan will remain on for system cooling This prompt is visible on convection ovens with a fan Range 0 120 minutes Default 0 minutes ware Set Point Temperature Set point that the control will regulate to at all times Visible on applications that have one setpoint for all menu
59. me of day or if the application requires the Power Loss Menu Resume feature then this error is a critical error Return controller to the factory Time of day does not appear on the display The word or some other word appears on the display when power is turned on e Controller is not equipped with the Real time Clock option e Controller is equipped with the Real time Clock option but the controller IS not programmed properly Compare controller part number to the following part number for mat F2HA 1I If the controller part number does not have a L in the 9th position it is not equipped for the Real time Clock time of day feature Refer to the controller part num ber on the sticker label or view the controller part number by accessing the WatH elp Diagnostics Function Confirm that the parameter is set to BET Hardware amp Software Setup Guide Watlow MiniCHer 2000 37 Troubleshooting Ghart Symptom ndication Alarms Possible Causes Possible Solutions appears on the display System seems to be over heating Absolute Process Alarm for channel 1 has occurred e Channel 1 temperature sensor measures a value that exceeds the maximum allowable temperature defined by the program e System equipment failure Determine if Absolute Process Alarm is required for channel 1 If not access the parameter and set the value to disable the process alarm cho
60. n 8 red transparent windows for indicator lights no adhesive in these areas Mounting studs ref 4 Watlow keys 6 no adhesive in these areas Hardware amp Software Setup Guide Watlow MiniCHer 2000 31 step 7 Design Membrane Overlay 3 250 in Ref z A Poa ee O gt Red transparent window no adhesive in this area 2 125 in gt 2 062 in l 1 250 in p O O l Mounting collar outline 4 125 in Ref Shown in horizontal 875 in l orientation l l l l l 375in gt O O 125 in 8 red 3 l transparent windows for EG indicator lights no i adhesive in these areas l I l 750 in O Mounting studs ref 4 Watlow keys 6 no adhesive in these areas 500 in 000 in 500 in 000 in Recommended material 008 thick polyester with 002 thick 3M adhesive or equivalent Other materials and thicknesses should be qualified by customer Figure 32 Membrane guidelines for a vertical unit 2 Recommended source of faceplate overlay supply Customers must supply their own faceplate membrane overlay A recommended source of supply of contamination and water resistant overlays is Dura Tech Inc La Crosse Wis Phone 608 781 2570 FAX 608 781 1730 3 A Prototyping and Training faceplate overlay accessory you can order The prototyping and training membrane faceplate adhesive backed measuring 4 75
61. ng RTD sen sors confirm that the parameter is set to the proper RTD curve Refer to sensor wiring instructions Refer to controller specifications appears on the display e A D Overflow Error has occurred on channel 2 Temperature sensor or circuit for channel 2 is open or damaged Temperature sensor for channel 2 is Incompatible with controller Channel 2 measures a condition above the controller temperature range Evaluate condition of channel 2 sen sor and circuitry Confirm temperature sensor compati bility Compare controller part num ber and specification to the chosen sensor Refer to the controller part number on the sticker label or view the con troller part number by accessing the WatH elp Diagnostics Function For controllers requiring thermocou ple sensors confirm that the parameter is set to the proper thermocouple curve For controllers requiring RTD sen sors confirm that the parameter is set to the proper RTD curve Refer to sensor wiring instructions Refer to controller specifications appears on the display e Under range Error has occurred on channel 2 e Controller measures a temperature below the allowable operating range e Temperature sensor lead wires for channel 2 are improperly terminated lead wires are reversed e Controller is misapplied Note For definitions of errors see pages 56 57 Refer to sensor wiring instructions Refer to controller specific
62. nnel L e Channel 1 sensor measures a low temperature that exceeds the allowable deviation below the pro grammed setpoint e Determine if High or Low Deviation Alarms are required for channel 1 If neither are required access the parameter and set the value to disable the deviation alarms choosing or W E Refer to programming guide e If Deviation Alarms for channel 1 are required confirm that the parameter is set to the proper value for the application e The Offset parameter can affect the alarm point Confirm that the parameter is set properly e System may require service Hardware amp Software Setup Guide Watlow M n GHEF 2000 39 Troubleshooting Ghart Symptom ndication Possible Causes Possible Solutions appears on the display System seems to be under heating Operations Deviation Alarm indicating a low temperature condition for channel 2 e Channel 2 sensor measures a low temperature that exceeds the allow able deviation below the pro grammed setpoint Determine if High or Low Deviation Alarms are required for channel 2 If neither are required access the parameter and set the value to disable the deviation alarms choosing or EZET Refer to programming guide If Deviation Alarms for channel 2 are required confirm that the parameter is set to the proper value for the application The Offset parameter can affect the alarm point Confirm that the parameter is
63. occur the only way to clear them is to cycle power The remaining errors are self clearing mean ing when the error condition goes away the error will disappear EPROM checksum error An EPROM checksum error occurs on power up when the bytes in the EPROM do not add up to 0 The EPROM is programmed at time of manufacture in such a way that all valid bytes should add up to 0 EEPROM checksum error An EEPROM checksum error occurs on power up when the bytes in the EEPROM do not add up to 0 RAM error A RAM error occurs on power up when a RAM test is executed and fails The RAM test writes certain values to the RAM memory locations and then reads them back If the value read is equal to the value written in all cases the RAM test passes otherwise it fails Calibration Error A Calibration Error occurs when stored calibration values have been corrupted and may make the controller temperature readings inaccurate A D underflow error channel 1 channel 2 An A D underflow error occurs when the electrical signal from the sensor is outside of the measurable range of the A D circuit This can be caused by incorrect sensor type reversed sensor leads or measuring temperatures outside the sensor range A D overflow error channel 1 channel 2 An A D overflow error occurs when the electrical signal from the sensor is either miss ing or outside the measurable range of the A D circuit This can be caused by an open sensor or measuring temp
64. ocess value from swinging as widely as it would with simple On off control However when a system stabilizes the temperature or process value tends to droop short of the set point Proportional plus Integral The droop caused by proportional control can be correct ed by adding integral reset control to the system When the system has settled down the integral reset value is tuned to bring the temperature or process value closer to the set point However this increases the overshoot that occurs at startup or when the set point is changed Proportional Integral Derivative control PID Use derivative rate control to minimize the overshoot in a Proportional I ntegral controlled system Derivative rate adjusts the output based on the rate of change in the temperature or process value Auto tuning is a feature that simplifies the determination of PID values an otherwise tedious time consuming system tuning process Auto tuning allows the controller to automatically explore the responsiveness of the complete system to determine an effec tive set of parameters for PID control To do this it crosses an auto tune set point three times then controls at the normal set point using the new parameters Once the auto tuning cycle is complete the optimized PID values are stored in the controller memory automatically 22 Watlow MiniCHer 2000 Hardware amp Software Setup Guide Step 3 Configure the Controller Configuration Proc
65. om channel 2 and ET a is set to SF and is set to AE Range 0 00 to 9 99 repeats minute Default 0 00 repeats minute Channel 2 Integer Sets the integral gain for output 2 A value of 0 00 shuts the integral off This parame ter only appears when the selected application software set uses a temperature output from channel 2 and is set to and is set to BER Range 0 00 to 99 99 minutes repeat Default 0 00 minutes repeat SIE Channel 2 Rate Sets the rate derivative gain for output 2 A value of 0 00 shuts the rate off This parameter only appears when the selected application software set uses temperature output 2 and DI is set to iF and is set to TE Range 0 00 to 9 99 minutes Default 0 00 minutes Channel 2 Derivative Sets the derivative gain for output 2 A value of 0 00 shuts the derivative off This parameter appears when the selected application software set uses temperature output 2 and AEIJE is set to SAF and is set to E Range 0 00 to 9 99 minutes Default 0 00 minutes ayaa Channel 2 Cycle Time Sets the PID cydetime for output 2 This parameter only appears when the selected application software set uses temperature output 2 and is set to FF Range 1 to 60 seconds Default 5 seconds 50 Watlow MiniCHer 2000 Hardware amp Software Setup Guide Definitions of Functions Parameters and Values WatHelp Diagnostics Function Allows the viewing of information that is useful when servicing or troubl
66. osing or Gta Refer to programming guide If Process Alarm for channel 1 is required confirm that the parameter is set to the proper value for the application Evaluate the system high tempera ture limiting device The Offset parameter can affect the alarm point Confirm that the parameter is set properly System may require service appears on the display System seems to be over heating Absolute Process Alarm for channel 2 has occurred e Channel 2 temperature sensor measures a value that exceeds the maximum allowable temperature defined by the program e System equipment failure Note See definitions of temperature alarms on page 55 Determine if Absolute Process Alarm is required for channel 2 If not access the parameter and set the value to disable the process alarm choosing or Gta Refer to programming guide If Process Alarm for channel 2 is required confirm that the parameter is set to the proper value for the application Evaluate the system high tempera ture limiting device The Offset parameter can affect the alarm point Confirm that the DIS parameter is set properly System may require service 38 Watlow M n GHEF 2000 Hardware amp Software Setup Guide Troubleshooting Ghart Symptom ndication Possible Causes Possible Solutions appears on the display System seems to be over heating Deviation Alarm indicating a high temperature condition for chann
67. ower source and to electrical sensors of peripheral devices Failure to do so could result in injury or death Sensor Inputs 1 and 2 Note The following illustrations are views of the back of the mating connector not of the controller Input 1 Wiring Input 2 Wiring F2 Figure 12b Dual Thermocouple Option 12 Watlow MiniCHer 2000 Hardware amp Software Setup Guide step 2 Wire the Controller Dual RTD Option platinum F2 2 1000 RTD curve selectable F2 3 500Q RTD curve selectable F2 4 10009 RTD curve selectable Input 1 Wiring Input 2 Wiring Figure 13a 2 wire RTD Input 1 Wiring Input 2 Wiring Figure 13b 3 wire RID will function as a 2 wire RID Note If your chosen software application does not require two sensor inputs it is not necessary to wire Input 2 For specific information consult the application guide for the application you are using Event Inputs 1 and 2 Note The following illustration is a view of the back of the controller not of the mating connector Event Input 2 Figure 13c Switched DG two per unit non isolated Note Not all software applications require event inputs 1 and 2 For specific information consult the application guide for the application you are using Hardware amp Software Setup Guide Watlow MiniCHEF 2000 13 Step 2 Wire the Controller Output 1 Note The following illustrations are views of the
68. param eter only appears when the selected application software set uses temperature input 1 and is set to either or EAA Range 999 to OF 555 to 09C Default 9999 555 C High Deviation Alarm Channel 1 Sets a relative high deviation temperature alarm setting A high deviation alarm occurs when the input 1 temperature including offset is above setpoint plus this setting This parameter only appears when the selected application software set uses temperature input 1 and is set to either or EN Range 0 to 999 0 to 555 Default 999 555 Alarm Channel 2 Selects the type of temperature alarm associated with input 2 This parameter only appears when the selected application software set uses temperature Input 2 Range WERT GT EZY Default Absolute Process Alarm Channel 2 Sets an absolute process alarm temperature setting A process alarm occurs when the input 2 temperature including offset is above this setting This parameter only appears when the selected application software set uses temperature input 2 and is set to either or A Range 100 to 1200 38 to 649 C Default 1200 649 C Low Deviation Alarm Channel 2 Sets a relative low deviation temperature alarm setting A low deviation alarm occurs when the input 2 temperature including offset is below set point minus this setting This parameter only appears when the selected application software set uses tempera ture input 2 and is set to either or
69. put 1 is on All others are off 4 vent Output 2 is on All others are off 5 0utput 5 is on All others are off 6 All outputs are on O Both Event Inputs are off 1 vent Input 1 is on 2 vent Input 2 is on 3 Both Event Inputs are on XXXX F X XXXX FC Your Settin Hardware amp Software Setup Guide Watlow M n GHEF 2000 21 step 3 Configure the Controller On off Temperature control On off control switches the heat outputs either full on or full off depending on the tem perature sensor input set point and hysteresis values The hysteresis value creates a buffer zone that increases the time interval that the output is off or on With hysteresis set to 19the process value would stay closer to the set point but the output would Switch on and off more frequently PID Temperature control Proportional Integral Derivative Auto tuning Proportional control Some processes need to maintain a temperature or process value closer to the set point than On off control can provide Proportional control pro vides closer control by adjusting the output when the temperature or process value is within a proportional band When the value is in the band the controller adjusts the output based on how close the process value is to the set point the closer to set point the lower the output This is similar to backing off on the gas pedal of a car as you approach the speed limit It keeps the temperature or pr
70. rameter appears only when the selected application software set uses temperature input 2 Range 99 to 99 55 to 55 Default 0 46 Watlow M n GHEr 2000 Hardware amp Software Setup Guide Definitions of Functions Parameters and Values Temperature Range Low Sets an absolute lowest setable temperature set point This parameter appears only when the selected application software set uses at least one temperature output Range OF 18 C for rtd inputs 329 0 for tc inputs to the value of Default 32 ie ia Temperature Range High ets an absolute highest setable temperature set point This parameter appears only when the selected application software set uses at least one temperature output Range value of to 1200 649 C Default 500 260 Ready Preheat Feature Turns the ready band feature on or off Visible if application uses at least on tempera ture input If this feature is activated the controller displays temperature as the sys tem pre heats to the ready condition Range WT Default Ready Band This feature is used along with the Ready Preheat feature Ready Band sets the ready band size The ready band is the current set point the relative temperature value of GET The use of ready band varies with the application software set This parame ter only appears when PEPR is set to yes Range 1 to 12004 649 C Default 100 56 Real time Clock Display Turns the real time clock
71. rruptions and voltage variations immunity ENV 50140 1994 Radiated immunity ENV 50204 1995 Cellular phone EN 50081 1 1994 EMC Generic emission standard Part 1 Residential commercial and light industry EN 55011 1991 Limits and methods of measurement of radio disturbance characteristics of industrial scientific and medical radio frequency equipment Class B 73 23 EEC Low Voltage Directive 1993 Automatic electrical controls for household and similar use Part 1 General requirements EN 60730 2 9 1995 Automatic electrical controls for household and similar use Part 2 Particular requirementsSection 2 9 Temperature sensing controls EN 60730 1 Declare que le produit suivant D signation MINICHEF 2000 Num ro s de mod le s F2 H ou U A ou C 1 2 3 ou 4 1 2 ou 3 1 2 ou 3 1 0 ou 1 0 ou 1 deux lettres ou chiffres quelconques Contr leur de temp rature Classe Ill lectronique action type 2C pour les utilisations industrielles Fran ais Classification l g res Tension nominale 24 V alternatif Fr quence nominale 50 60 Hz Alimentation d entr e maximale 15 W Conforme aux exigences de la ou des directive s suivante s de l Union Europ enne figurant aux sections correspondantes des normes et documents associ s ci dessous 89 336 EEC Directive de compatibilit lectromagn tique EN 50082 1 1995 Norme g n rique sur immunite Partie 1 Environnement r sidentiel
72. s Range to Default iia Timer Output 4 Selects if event output will turn on while time is running Visible on manual applica tions with output 4 available Range METE Default Number of Cooking Steps Selects number of steps in the menu Visible on manual applications with two possible steps Range 1 2 Default 1 Probe Selects if application will use a meat food temperature probe to measure temperature initiated by a press of the probe key Visible on rotisserie applications Range WEI Default Jaa Setup Function Sets up control for hardware and operating parameters Temperature Display Format Selects the units of temperature measurement either Fahrenheit or Centigrade This parameter appears only when the selected application software set uses at least one temperature input or output Range Sara Default Hardware amp Software Setup Guide Watlow M n GHEr 2000 45 Definitions of Functions Parameters and Values setup Function continued Time Display Format Selects the time display format in minutes seconds hours minutes or hours minutes seconds and will only appear when the selected application software set uses time for any of its operations Range ilies THs Default CHEE Key Chirp Turns the key chirp function on or off The key chirp function makes a short audible sound whenever a valid keypress has been made Range WEE Default Menu Security Lock Choose between and to lock
73. s e User selectable time and temperature display formats e Temperature display formats F or C 8 discrete indicator LEDs red 6 tactile feedback keys e Menu driven operation and manual modes available e WatHelp diagnostics e Real time clock option displays time of day Accuracy e Calibration accuracy and sensor conformity 2 0 6 for Type J thermocouple and RTD 0 85 of span for Type K and E thermocouples 1 LSD 77 F 5 F ambient and rated line voltage of 10 e Accuracy span 1000 F 540 C minimum e Temperature stability 0 15 F F 0 15 C C change in ambient typical Sensors Inputs e Contact inputs TTL compatible with internal pull up resistor two available Thermocouple software selectable Type J K or E 32 to 1200 F Dual channel applications require at least one ungrounded thermocouple e RTD 2 or 3 wire platinum 100 500 1000Q at 0 C software selectable DIN or JIS curves 0 to 1200 F 3 wire will function as 2 wire e Input A D resolution 15 bit Output Options e Solid state relay 0 4A with or without contact suppres sion e Switched dc signal 4 5V to 5 25V 30mA maximum Output minimum load resistance gt 1500 non isolated Time display formats H MM SS HH MM or MMM SS Audible Output Options e Switched dc signal 4 5V to 5 25V 30mA maximum Output minimum load resistance gt 1500 non isolated Internal audible alarm 75dB at 10 cm
74. s are on Hardware amp Software Setup Guide Watlow M n GHEF 2000 5 1 Definitions of Functions Parameters and Values Diagnostics Function continued Event Input Test To assist in system troubleshooting shows the on off state of the event inputs A number alternatelyappears on the display If number O both inputs are open If number 1 input 1 is closed input 2 is open If number 2 input 1 is open and input 2 is closed If number 3 both inputs are closed laa Channel 1 Input Shows the input 1 temperature with no offset added Aaa Channel 2 Input Shows the input 2 temperature with no offset added 52 Watlow MiniCHer 2000 Hardware amp Software Setup Guide Definitions of Functions Parameters and Values Program Mode Menu Number The number of the menu to program Range 1 x The total number of menus depends on the application Default 1 a an Get Point 1 This is the first cook set point temperature Range Minimum and maximum temperatures programmed in the Configuration Mode Default range low Time This is the first cook time Range depends upon time format other time settings and end application Default O Fan This is the first fan setting Range On OFF Lo Hi Default OFF a Set Point 2 This is the second cook set point temperature Range range low torange high Default range low Time 2 This is the second cook time Range depends upon time format other time s
75. set properly System may require service e Operator cannot access Menu Programming Mode e Operator cannot access Configuration Mode e Operator cannot set Real time Clock time e Controller is currently running a menu e Operator error e Controller does not have the Real time Clock option Access modes when controller is in an idle state User can cancel an active menu in order to gain access to these modes Refer to programming guide for pro cedure to access the Menu Programming Mode the Configuration Mode and for setting the Real time Clock time Cannot stop an active menu Operator error Press Menu key or Start Stop key for 2 seconds Alarm sound is on too long or runs continuously at the end of a Menu cycle Different Alarm sound or duration is desired at the end of a Menu cycle e Operator error parameter is set to e Controller requires reprogramming To silence the alarm press the key indicated by the flashing light To select alternative Audible Alarm sounds and duration change value of parameter to meet the application requirements See pro gramming guide Consult factory Scrambled display e Temporary error e Controller is defective Turn power off then on to clear the temporary error If error persists return to factory Keys seem to function dif ferently than expected e Controller programmed incorrectly for application e Factory
76. t in different application numbers For a detailed explanation see the Appendix in this guide Function Menu Numbers XX Parameter Set point 1 Temperature of set point 1 Time 1 Run time of set point 1 Fan 1 Speed Speed of fan 1 during time 1 Set point 2 Temperature of set point 2 Time 2 Run time of set point 2 Fan 2 Speed of fan during time 2 Probe Activates probe function Probe Temperature Temperature at which probe will switch controller to hold condition Set point 3 Temperature of set point 3 Time 3 Run time of set point 3 Fan 3 Speed Speed of fan 3 during time 3 Set point 4 Temperature of set point 4 an Time 4 Run time of set point 4 Fan 4 Speed of fan during time 4 Value Description Temp range low temp range high Format varies based on configuration Single Speed WER Two Speed Git E Temp range low temp range high Format varies based on configuration Single Speed WEE Two Speed Git GF rT Gia Temp range low temp range high Temp range low temp range high Format varies based on configuration Single Speed WEE Two Speed Gia Wm Temp range low temp range high Format varies based on configuration Single Speed WEE Two Speed it WE Your Settings Hardware amp Software Setup Guide Watlow MiniCHer 2000 25 step 4 Program the Menus Mid Menu Alarm Alarm Time T
77. t point and actual process temperature Inverse of Integral Rotisserie Oven An oven that slowly cooks meat on a rotating spit and allows cook ing of single or staggered batches of food Shelf Timing Oven An oven with one temperature setting and a timer that permits individual cooking times to be set for different shelves Timer Can accompany any type of food equipment to help time food cooking cycles and alert users to perform related tasks Hardware amp Software Setup Guide Watlow M n GHEF 2000 59 Specifications Specifications 1032 Control Mode i Single and dual heat channels PID or on off Microprocessor based programmable reverse acting control outputs User selectable embedded application software defines operation of display keys inputs outputs timing action One step auto tuning WatHelp diagnostics WatCurve temperature compensation Agency e CE approved 89 336 EEC Electromagnetic Compatibility Directive EN 50081 1 Emissions EN 50082 1 Immunity 73 23 EEC Low Voltage Directive EN 60730 1 and EN 60730 2 9 Safety e NSF Listed Criteria 2 e AGA UL tested to AGA standard Z21 23 UL File E43684 e UL and C UL recognized UL 197 873 991 and CSA standard C22 2 24 File E43684 Operator Interface e Membrane overlay contamination and water resistant Supplied by customer e LED display 5 digit 0 56 in high red Displays times temperatures user prompts and diagnostic code
78. used in the system Verify that the programmed thermo couple curve matches the sensor specification see ER parame ter setting Verify that the programmed RTD curve matches the sensor specifica tion see parameter set ting Use WatH elp Diagnostics parameter and to confirm actual temperatures sensed on channel 1 and 2 Operator cannot get out of Configuration Mode or Menu Programming Mode Operator error PresstheHOME keyfor 2 seconds Or repeatedly press the ENTER key to exit and return to the normal operating mode 42 Watlow MiniCHer 2000 Hardware amp Software Setup Guide Troubleshooting Ghart Symptom ndication Possible Causes Possible Solutions Cannot change the value of oo Operator error a parameter while in the Configuration Mode View the parameter name on the display Display should be flashing Press the EDIT key first before using the UP and DOWN keys If attempting to set the software application number SI the Application Number Security Lock may be set set the parameter to WEE Cannot change the value of oo Operator error a Menu Parameter while in the Menu Programming Mode View the parameter name on the display Press the EDIT key first before using the UP and DOWN keys Menu Program Security Lock may be set set the parameter to WEE Hardware amp Software Setup Guide Watlow M n GHEF 2000 43 Definitions of Functions Parameters an
79. vailable via the M n CHEr 2000 main display by accessing the WatH elp Diagnostics Function under in the Configuration Mode We Value Your Feedback Your comments and suggestions on this manual are welcome Please send them to Technical Writer Watlow Controls 1241 Bundy Blvd P O Box 5580 Winona MN 55987 5580 or call 507 454 5300 or fax 507 452 4507 Contact e Phone 507 454 5300 Fax 507 452 4507 For technical support ask for an Applications Engineer To place an order ask for Customer Service To discuss a custom option ask for the M n CHEF 2000 Product Manager Warranty The MiniCHer 2000 is warranted to be free of defects in material and workmanship for 36 months after delivery to the first purchaser for use providing that the unit has not been misapplied Since Watlow has no control over its use or misuse we cannot guaran tee against failure Watlow s obligations hereunder at Watlow s option are limited to replacement or refund of purchase price of a unit which upon examination proves to be defective within the warranty period This warranty does not apply to damage resulting from transportation alteration misuse or abuse Returns e Call or fax Customer Service for a Return Material Authorization RMA number before returning a control e Put the RMA number on the shipping label and also on a description of the prob lem e 20 of net price restocking charge applies to all standard units returned to stoc
80. ws end users to cook foods using pre set keys and menus Operation Mode is the M n CHEF 2000 default mode PID Uses derivative rate control to minimize the overshoot in a Proportional I ntegral controlled system Derivate rate adjusts the output based on the rate of change in the temperature or process value Program Mode The level of programming in which the automatic menus are set Programmed menu keys Keys programmed to allow users to choose pre set cooking instructions Proportional control Some processes need to maintain a temperature or process value closer to the set point than on off control can provide Proportional control pro vides closer control by adjusting the output when the temperature or process value Is within a proportional band When the value is in the band the controller adjusts the output based on how close the process value is to the set point the closer to set point the lower the output This is similar to backing off on the gas pedal of a car as you approach the speed limit It keeps the temperature or process value from swinging as widely as it would with simple on off control However when a system stabilizes the temperature or process value tends to droop short of the set point Rate Anticipatory action that is based on the rate of temperature change and compen sates to minimize overshoot and undershoot See derivative Reset Control action that automaticaly eliminates offset or droop between se

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