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P.O. Box 5580 Winona, Minnesota U.S.A. 55987-5580 (507) 454-5300, Fax (507) 452-4507 97 Registered Company Winona, Minnesota USA ISO 9001 TOTAL CUSTOMER SATISFACTION WMC2-XAGN-0002-Rev A $5.00 May 1997 Made in the U.S.A. Table of Contents Application 7 Automatic Convection Oven. . . . . . . . . . . . . . . . 1 Application 8 Automatic Convection Oven. . . . . . . . . . . . . . . 11 Application 9 Manual Convection Oven . . . . . . . . . . . . . . . . 21 Ordering Information. . . . . . . . . . . . . . . . . . . 33 © The Watlow MINICHEF™ 2000 Convection Oven Applications Guide is copyrighted by Watlow Winona, Inc., May 1997, with all rights reserved. (1008) 7 Application 7 Automatic Convection Oven One Heat Channel, Six Menus Introduction to Application 7. . . . . . . . . . . . . . . 1 Configuration Mode Quick Reference . . . . . . . . . 3 Program Mode Quick Reference . . . . . . . . . . . . 4 Step 7 Design a Faceplate Overlay. . . . . . . . . . . 5 Step 8 Operate the Controller . . . . . . . . . . . . . . 6 Application 7 allows you to program as many as six menu keys to control one temperature channel, a fan and cooking time for an automatic convection oven. Overview of Key Steps 1. Install the MINICHEF 2000. 2. Wire the controller. 3. Configure the controller. 4. Program the menus. 5. Set the controller security. 6. Set the Real-time Clock. For instructions on Steps 1, 2, 3, 4, 5 and 6, see the Hardware & Software Setup Guide. 7. Design, manufacture and apply faceplate overlay for end-users. (For a suggested design to suit this application, see this section. For overlay dimensions and guidelines, see the Hardware & Software Setup Guide.) 8. Operate the controller. (See this application guide.) Key Functions in Configuration Mode Display five-digit, seven- segment numeric LED display. Indicator lights (1 for each key, 2 for heat channels). Edit key (A) Access the next level of parameters 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. A B D E G H Enter EscapeHome Edit C F MINICHEF 2000 Up key (C) Move up the lists. Escape key (E) Return to original value when editing a parameter value. Down key (F) Move down the lists. Key Functions in Operation Mode Heat Menu Menu Menu Menu Menu Menu 1 2 3 4 5 6 Your Company Logo Menu Key Indicator Lights Slow flash...Preheating Rapid flash...Ready Lit...Cooking Rapid flash...Done Slow flash...Idle and regulating temp to previous set point Not Lit...No menu selected Heat Indicator Light Lit when heat output is on. Menu Keys Activate and cancel menus, activate cook cycle when preheating,and acknowledge alarms. Summary of Input/Output Functions Input 1 Oven Temperature® Heat Menu 1 Menu 4 Menu 3 Menu 6 1 Menu 2 2 3 4 Menu 5 5 6 Your Company Logo ®Output 1 Heat Input 2 not used ® ®Output 2 not used Event Input 1 Door Open ® ®Event Output 1 Fan Low Event Input 2 not used ® ®Event Output 2 Fan High ®Output 5 Audible Alarm Note: For details, see wiring instructions in the Hardware & Software Setup Guide. 2 n Watlow MINICHEF 2000 Application 7 Configuration Mode Quick Reference These are the functions, parameters and values included in the Configuration Mode for this application. You must select Application 7 to access them. For directions, see the Hardware & Software Setup Guide. The Appendix of that guide includes an explanation of all parameters and values. Function Parameter Value Your Settings {Etype} Equipment-Type [appl`] Application Number 1 - 28 7 [a_Loc] Application Number yes, no Security Lock [Sound] Audible Alarm 0 - 5 [FAn``] Fan Speed 1 spd, 2 spd [delay] Fan Delay Time 0 - 120 [SEtUP] Setup [`._i`] Temperature Display Format °C or °F [time] Time Display Format MMM:SS, HH:MM, H:MM:SS (H=Hours, M=Minutes, S=Seconds) [Chirp] Key Chirp On, Off [loc``] Menu Security Lock Yes, No [tc```] Thermocouple Type J, K (shown as [````H]), E [rtd``] RTD Curve DIN, JIS [tconp] WatCurveTM Temperature On, Off Compensation [Ofst1] Temperature Offset, Channel 1 [tr`lo] Temperature Range Low -99° to 99°F (-55° to 55°C) 0.F (-18. C) for RTD inputs 32.F (0.C) for tc inputs to [tr`Hi] [tr`Hi] Temperature Range High [tr`lo] to 1200°F (649°C) [ready] Preheat Ready Feature Yes, No [rband] Ready Band 1 to 1200°F (649°C) [Cloc`] Real Time Clock Display Yes, No [plOSS] Power Loss Menu Resume Yes, No [al``1] Alarms for channel 1 None, Dev, Proc, Both [aL`P1] Absolute Process Alarm 1 100 to 1200°F (38 to 649°C) [aLdL1] Low Deviation Alarm 1 -999 to 0°F (-555 to 0°C) [aLdH1] High Deviation Alarm 1 0 to 999°F (0 to 555°C) [tHErl] Thermal [tyPE`] Temperature Control Type PID, On-Off [HYSt1] Hysteresis 1 1 to 99°F (1 to 55°C) [Pid`U] PID Units SI, US [tune1] Auto-tuning 1 on, OFF [ProP1] Proportional Band 1 1 to 999°F (1 to 555°C) [rSEt1] Reset (integral) Gain 1 0.00 to 9.99 repeats/minute [int`1] Integral Gain 1 0.00 to 99.99 minutes/repeat [rAtE1] Rate (derivative) Gain 1 0.00 to 9.99 minutes [dEr`1] Derivative Gai...

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