Instruction/ maintenance manual of the product 2000 Watlow Electric
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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.
An important point after buying a device Watlow Electric 2000 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Watlow Electric 2000 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Watlow Electric 2000 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Watlow Electric 2000 you will learn all the available features of the product, as well as information on its operation. The information that you get Watlow Electric 2000 will certainly help you make a decision on the purchase.
If you already are a holder of Watlow Electric 2000, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Watlow Electric 2000.
However, one of the most important roles played by the user manual is to help in solving problems with Watlow Electric 2000. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Watlow Electric 2000 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
