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M INI C HEF TM 2000 Applications 7, 8 & 9 Convection Oven Applications Guide W atlow Controls 1241 Bundy Blvd. P .O. Box 5580 Winona, Minnesota U.S.A. 55987-5580 (507) 454-5300, Fax (507) 452-4507 WMC2-XAGN-0002-Rev A May 1997 $5.00 Made in the U.
T able of Contents Application 7 Automatic Convection Oven . . . . . . . . . . . . . . . . 1 Application 8 Automatic Convection Oven . . . . . . . . . . . . . . . 11 Application 9 Manual Convection Oven . . . . . . . . . . . . . . . . 21 Ordering Information .
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 .
Key Functions in Configuration Mode Key Functions in Operation Mode Summar y of Input/Output Functions Note: For details, see wiring instructions in the Hardware & Software Setup Guide.
Application 7 Watlow M INI C HEF 2000 ■ 3 Configuration Mode Quick Reference These are the functions, parameters and values included in the Configuration Mode for this application. Y ou must select Application 7 to access them. For directions, see the Hardware & Software Setup Guide .
4 ■ Watlow M INI C HEF 2000 Application 7 Program Mode Quick Reference These are the functions, parameters and values included in the Program Mode for this application. Y ou must select Application 7 to access them. For menu programming direc- tions, see the Hardware & Software Setup Guide .
Application 7 Watlow M INI C HEF 2000 ■ 5 Step 7 Design a Faceplate Overlay T o complete the installation, you must apply a graphic membrane to the front panel of the controller . The following artwork will help you design and create a membrane for this application.
6 ■ Watlow M INI C HEF 2000 Application 7 Step 8 Operate the Controller Summar y of Key Functions in Operation Mode Key Function A Menu 1 B Menu 2 C Menu 3 D Menu 4 E Menu 5 F Menu 6 Start-up Apply power to the oven. [`idle] will appear on the display .
Application 7 Watlow M INI C HEF 2000 ■ 7 The heat output indicator light - G, just below the display- will light up whenever the controller is calling for heat. When the oven is at operating temperature (above the relative set point minus the ready band) [ready] will appear on the display and the menu key indicator light will flash rapidly .
8 ■ Watlow M INI C HEF 2000 Application 7 W ith Sound set to 0, the controller automatically switches to idle in which the con- troller does not maintain temperature and does not run time. [`idle] or time of day will appear on the display . The menu key indicator light will be off.
Application 7 Watlow M INI C HEF 2000 ■ 9 4. Once the controller goes into idle, the menu key indicator light and the heat outputs will switch off. The controller will not regulate to any temperature. 5. T o repeat cooking, repeat steps 1 through 2 or 3.
10 ■ Watlow M INI C HEF 2000 Application 7 Errors The controller will alert you to errors if they occur . Errors are critical problems that shut down the unit. If an error occurs, an error message will appear on the display . Y ou should switch off the power and call for service.
Application 8 Automatic Convection Oven One Heat Channel, 15 Menus Introduction to Application 8 . . . . . . . . . . . . . . 11 Configuration Mode Quick Reference . . . . . . . . 13 Program Mode Quick Reference . . . . . . . . . . . . 14 Step 7 Design a Faceplate Overlay .
12 ■ Watlow M INI C HEF 2000 Application 8 Key Functions in Configuration Mode Key Functions in Operation Mode Summar y of Input/Output Functions Note: For details, see wiring instructions in the Hardware & Software Setup Guide.
Application 8 Watlow M INI C HEF 2000 ■ 13 Configuration Mode Quick Reference These are the functions, parameters and values included in the Configuration Mode for this application. Y ou must select Application 8 to access them. For directions, see the Hardware & Software Setup Guide .
14 ■ Watlow M INI C HEF 2000 Application 8 Program Mode Quick Reference These are the functions, parameters and values included in the Program Mode for this application. Y ou must select Application 8 to access them. For menu programming direc- tions, see the Hardware & Software Setup Guide .
Application 8 Watlow M INI C HEF 2000 ■ 15 Step 7 Design a Faceplate Overlay T o complete the installation, you must apply a graphic membrane to the front panel of the controller . The following artwork will help you design and create a membrane for this application.
16 ■ Watlow M INI C HEF 2000 Application 8 Step 8 Operate the Controller Summar y of Key Functions in Operation Mode Key Function A Not Used B Not Used C Menu Increment D Menu Select E Start/Stop F Menu Decrement Start-up Apply power to the oven. [`idle] will appear on the display .
Application 8 Watlow M INI C HEF 2000 ■ 17 • Activate the menu by pressing the Start/Stop key . • If the oven is not at operating temperature, it will preheat. Meanwhile: The word [pre-`] [`Heat] will appear on the display for a few moments. The Start/Stop key indicator light will flash slowly .
18 ■ Watlow M INI C HEF 2000 Application 8 W ith Sound set to 0, the controller automatically switches to idle in which the con- troller does not maintain temperature and does not run time. [`idle] or current time will appear on the display . The Start/Stop key indicator light will be off.
Application 8 Watlow M INI C HEF 2000 ■ 19 W ith Sound set to 4 or 5, [``end] will appear on the display and the Start/Stop key indicator light will flash rapidly . Y ou must acknowledge the audible signal by pressing the Start/Stop key . Once acknowledged the audible signal is silenced and the controller goes into idle.
20 ■ Watlow M INI C HEF 2000 Application 8 T emperature Alarms The controller will alert you to temperature alarm conditions if they occur . If an alarm occurs, take action as determined by your supervisor . See the Appendix in the Hardware & Software Setup Guide for a T roubleshooting Chart and a summary of temperature alarms.
Application 9 Watlow M INI C HEF 2000 ■ 21 Application 9 Manual Convection Oven One Heat Channel Introduction to Application 9 . . . . . . . . . . . . . . 21 Configuration Mode Quick Reference . . . . . . . . 23 Step 7 Design a Faceplate Overlay . .
22 ■ Watlow M INI C HEF 2000 Application 9 Key Functions in Configuration Mode Key functions in Operation Mode Summar y of Input/Output Functions Note: For details, see wiring instructions in the Hardware & Software Setup Guide .
Application 9 Watlow M INI C HEF 2000 ■ 23 Configuration Mode Quick Reference These are the functions, parameters and values included in the Configuration Mode for this application. Y ou must select Application 9 to access them. For directions, see the Hardware & Software Setup Guide .
24 ■ Watlow M INI C HEF 2000 Application 9 Auto-tuning Note: Before auto-tuning Application 9, [teNp1] in the operations menu must first be set to a value that is typical of your application. (See Hardware & Software Setup Guide for information.
Application 9 Watlow M INI C HEF 2000 ■ 25 Step 7 Design a Faceplate Overlay T o complete the installation, you must apply a graphic membrane to the front panel of the controller . The following artwork will help you design and create a membrane for this application.
26 ■ Watlow M INI C HEF 2000 Application 9 Step 8 Operate the Controller Summar y of Key Functions in Operation Mode Key Function A Cook T emp(s) B Cook T ime(s) C Up (Increment) D Fan Settings E Start/Stop F Down (Decrement) Start-up Apply power to the oven.
Application 9 Watlow M INI C HEF 2000 ■ 27 Set the Fan 1. Press the Fan Settings key . [`FAn1] and then the fan setting value will appear on the display . 2. Press the Up or Down key until the value you want appears on the display . 3. Press the Fan Settings key again.
28 ■ Watlow M INI C HEF 2000 Application 9 Set the Fan 1. Press the Fan Settings key . [~FAn1] and then the first fan setting value will appear on the display . 2. Press the Up or Down key until the value you want appears on the display . 3. Press the Fan Settings key again.
Application 9 Watlow M INI C HEF 2000 ■ 29 2. W ith [`idle] or time of day on the display , press the Start/Stop key . If the preheat condition has not been met, the oven will preheat until [ready] appears on the display . Note: Y ou can skip preheat and go directly to the cooking sequence by pressing the Start/Stop key a second time.
30 ■ Watlow M INI C HEF 2000 Application 9 4. When the cooking sequence is finished, [``end] will appear on the display and an audible tone will sound for two seconds. The controller will then go into idle. 5. Once the controller goes into idle, the Start/Stop indicator light will switch off.
Application 9 Watlow M INI C HEF 2000 ■ 31 Event Outputs While running a menu when the Configuration Mode [EtYPE] / [FAn``] is set to [````2] : When Low fan speed is on, Event Output 1 is on.
32 ■ Watlow M INI C HEF 2000 Specifications Audible Output Options • Switched dc signal, 4.5V to 5.25V , 30mA maximum output, minimum load resistance > 1 50 Ω , non-isolated. • Internal audible alarm, 75dB at 10 cm. Connectors • Sensor Input T erminal Strip 4 : RIACON, 6-position, quick-connect.
Ordering Information Watlow M INI C HEF 2000 ■ 33 Ordering Information (1033) F 2 H A - _ _ _ 1 - _ _ A A M INI C HEF 2000™ Cooking controller with numerous food equipment application software set.
34 ■ Watlow M INI C HEF 2000 Ordering Information M INI C HEF 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 A001-0298-0000 Power Supply and I / O Mating Connector Kit.
Warranty and Returns Watlow M INI C HEF 2000 ■ 35 W atlow Controls W atlow Controls is a division of W atlow Electric Mfg. Co., St. Louis, Missouri, a manu- facturer of industrial electric heating products since 1922.
36 ■ Watlow M INI C HEF 2000 Application 8 Notes.
Application 8 Watlow M INI C HEF 2000 ■ 37 Notes.
W atlow M INI C HEF ™ 2000 Convection Oven Applications Guide W atlow Controls, 1241 Bundy Blvd., P .O. Box 5580, Winona, MN U.S.A. 55987-5580 Phone: (507) 454-5300, Fax: (507) 452-4507.
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