Watlow Electric MINICHEF 2000 manuale d’uso

M INI C HEF TM 2000 Applications 1 - 6 Cook-&-Hold 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-0001-Rev A May 1997 $5.00 Made in the U.S.A. Programming & Operating Steps 97 Registered Company Winona, Minnesota USA ISO 9001 TOTAL CUS[...]

T able of Contents Application 1 Automatic Cook-&-Hold Oven with Meat Probe Option . . . 1 Application 2 Automatic Cook-&-Hold Oven with Meat Probe Optiion . . 11 Application 3 Automatic Cook-&-Hold Oven . . . . . . . . . . . . . . . . . . . 23 Application 4 Automatic Cook-&-Hold Oven . . . . . . . . . . . . . . . . . . . 33 Applica[...]

Application 1 Automatic Cook-&-Hold Oven with Meat Probe Option One Heat Channel, Six Menus Introduction to Application 1 . . . . . . . . . . . . . . . 1 Configuration Mode Quick Reference . . . . . . . . . 3 Program Mode Quick Reference . . . . . . . . . . . . 4 Step 7 Design a Faceplate Overlay . . . . . . . . . . . 5 Step 8 Operate the Contr[...]

2 ■ Watlow M INI C HEF 2000 Application 1 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. 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 → Output 2 not used[...]

Application 1 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 1 to access them. For directions, see the Hardware & Software Setup Guide . The Appendix of that guide includes an explanation of all [...]

4 ■ Watlow M INI C HEF 2000 Application 1 Program Mode Quick Reference These are the functions, parameters and values included in the Program Mode for this application. Y ou must select Application 1 to access them. For menu programming direc- tions, see the Hardware & Software Setup Guide . The Appendix of that guide includes a detailed expl[...]

Application 1 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. For more dimensions and guidelines, see the Hardware & Software Setup Guide .[...]

6 ■ Watlow M INI C HEF 2000 Application 1 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 Startup Apply power to the oven. [`iDle] will appear on the display . If the Real Time Clock Display option is installed and [SetUp] / [Cloc`] = [``yes] , the time o[...]

Application 1 Watlow M INI C HEF 2000 ■ 7 When the oven is at operating temperature (set point minus the ready band) [Ready] will appear on the display and the menu key indicator light will flash rapidly . Y ou are now ready to cook with the active menu. • If the oven is at operating temperature, the display goes directly to [Ready] with- out i[...]

8 ■ Watlow M INI C HEF 2000 Application 1 switch to the Hold sequence . The display will alternate slowly between Hold and count up time. If the Hold time [HtinE] parameter has been set to 0, the unit will count up time indefinitely . The hold sequence will end and the controller will go into idle when you cancel the current menu by pressing the [...]

Application 1 Watlow M INI C HEF 2000 ■ 9 1. W ith idle on the display , place food in the oven and insert meat probe (if necessary). 2. Press the key for the menu you want to run. The menu key indicator will light up. T ime will count down on the display . The unit will run the following two-step cooking sequence: Countdown time is displayed. It[...]

10 ■ Watlow M INI C HEF 2000 Application 1 Pause a Menu While cooking, you can pause cooking time by pressing the active menu key once. The menu key indicator light will flash rapidly . Countdown time will resume when you press the active menu key again. Cancel a Menu Canceling a menu stops controller operation completely . The controller does no[...]

Application 2 Watlow M INI C HEF 2000 ■ 11 Application 2 Automatic Cook-&-Hold Oven with Meat Probe Option One Heat Channel, 17 Menus Introduction to Application 2 . . . . . . . . . . . . . . 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 2 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. Heat 1 2 4 5 Start / Stop 6 Down Your Company Logo 3 Up Input 1 Oven T emperature → Input 2 Probe T emperature ?[...]

Application 2 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 2 to access them. For directions, see the Hardware & Software Setup Guide . The Appendix of that guide includes an explanation of all[...]

14 ■ Watlow M INI C HEF 2000 Application 2 Program Mode Quick Reference These are the functions, parameters and values included in the Program Mode for this application. Y ou must select Application 2 to access them. For menu programming direc- tions, see the Hardware & Software Setup Guide . The Appendix of that guide includes a detailed exp[...]

Application 2 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. For more dimensions and guidelines, see the Hardware & Software Setup Guide [...]

16 ■ Watlow M INI C HEF 2000 Application 2 Step 8 Operate the Controller Summar y of Key Functions in Operation Mode Key Operation Function A None B None 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 . If the Real Time Clock Display option is installed and [setup][...]

Application 2 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 . The temperature of Channel 1 will be displayed unti[...]

18 ■ Watlow M INI C HEF 2000 Application 2 3. With [ready] on the displa y , place the food in the oven and insert the meat probe (if necessary). Then press the Start/Stop key (indicated by the rapidly flashing indica- tor light). The Start/Stop key indicator will light up. Time will count down on the display . The unit will run the following two[...]

Application 2 Watlow M INI C HEF 2000 ■ 19 light will be off . With Sound set to 1, 2, or 3: [``end] will appear on the display and an audible tone will be emitted. The Start/Stop key indicator light will flash rapidly . Y ou can acknowledge and silence the tone by pressing the Start/Stop key or it will automati- cally time out within 2 seconds f[...]

20 ■ Watlow M INI C HEF 2000 Application 2 hold and count up time. If the Hold time parameter [Htine] has been set to 0, the unit will count up time indefinitely . The hold sequence will end when you cancel the current menu or acti- vate another menu. If Hold time [Htine] is greater than 0, the unit will run the hold sequence until the hold time [...]

Application 2 Watlow M INI C HEF 2000 ■ 21 Change Menus 1. W ith the controller in idle, select the menu you want to run by performing the pro- cedure under “Select a Menu” earlier in this section. 2. Press the Start/Stop key . Based on its programming, the unit will run the menu in one of the ways described earlier . Door Opening When you op[...]

22 ■ Watlow M INI C HEF 2000 Application 2[...]

Application 3 Watlow M INI C HEF 2000 ■ 23 Application 3 Automatic Cook-&-Hold Oven One Heat Channel, Six Menus Introduction to Application 3 . . . . . . . . . . . . . . 23 Configuration Mode Quick Reference . . . . . . . . 25 Program Mode Quick Reference . . . . . . . . . . . . 26 Step 7 Design a Faceplate Overlay . . . . . . . . . . 27 Step[...]

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. Input 1 Oven T emperature → Input 2 not used → Event Input 1 Door → Event Input 2 not used → Heat Menu 1 Menu 4 Menu 3 Menu 6 1 Menu 2 2 3 4 Menu 5 5 6 [...]

Application 3 Watlow M INI C HEF 2000 ■ 25 Configuration Mode Quick Reference These are the functions, parameters and values included in the Configuration Mode for this application. Y ou must select Application 3 to access them. For directions, see the Hardware & Software Setup Guide . The Appendix of that guide includes an explanation of all[...]

26 ■ Watlow M INI C HEF 2000 Application 3 Program Mode Quick Reference These are the functions, parameters and values included in the Program Mode for this application. Y ou must select Application 3 to access them. For menu programming direc- tions, see the Hardware & Software Setup Guide . The Appendix of that guide includes a detailed exp[...]

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. For more dimensions and guidelines, see the Hardware & Software Setup Guide . Suggested End-user Overlay: This Prototypin[...]

28 ■ Watlow M INI C HEF 2000 Application 3 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 Startup Apply power to the oven. [`iDle] will appear on the display . If the Real-time Clock option is installed and [SetUp] / [time] is programmed, the time of day[...]

Application 3 Watlow M INI C HEF 2000 ■ 29 When the oven is at operating temperature (above the set point minus the ready band) [Ready] will appear on the display and the menu key indicator light will flash rapidly . Y ou are now ready to cook with the active menu. • If the oven is at operating temperature, the display goes directly to [Ready] [...]

30 ■ Watlow M INI C HEF 2000 Application 3 If the Hold time parameter [Htine] has been set to 0, the unit will count up time indefinitely . The hold sequence will end and the controller will go into idle when you cancel the current menu by pressing the active menu key . If [Htine] is greater than 0, the unit will run the hold sequence until the h[...]

Application 3 Watlow M INI C HEF 2000 ■ 31 2. Press the key for the menu you want to run. The menu key indicator will light up. Time will count down on the display . The unit will run the following two-step cooking sequence: Countdown time is displayed. It is the total of the programmed Time 1 plus Time 2. Set point 1 and F an 1 will run until Ti[...]

32 ■ Watlow M INI C HEF 2000 Application 3 Cancel a Menu Canceling a menu stops controller operation completely . The controller does not main- tain set point temperatures or run time. Y ou cancel a menu to run another menu, stop menu operation for any reason, or are preparing to shut off the oven. • Press the active menu key for 2 seconds (in [...]

Application 4 Watlow M INI C HEF 2000 ■ 33 Application 4 Automatic Cook-&-Hold Oven One Heat Channel, 20 Menus Introduction to Application 4 . . . . . . . . . . . . . . 33 Configuration Mode Quick Reference . . . . . . . . 35 Program Mode Quick Reference . . . . . . . . . . . . 36 Step 7 Design a Faceplate Overlay . . . . . . . . . . 37 Step [...]

34 ■ Watlow M INI C HEF 2000 Application 4 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. Heat 1 2 4 5 Start / Stop 6 Down Your Company Logo 3 Up Input 1 Oven T emperature → Input 2 not used → Event In[...]

Application 4 Watlow M INI C HEF 2000 ■ 35 Configuration Mode Quick Reference These are the functions, parameters and values included in the Configuration Mode for this application. Y ou must select Application 4 to access them. For directions, see the Hardware & Software Setup Guide . The Appendix of that guide includes an explanation of all[...]

36 ■ Watlow M INI C HEF 2000 Application 4 Program Mode Quick Reference These are the functions, parameters and values included in the Program Mode for this application. Y ou must select Application 4 to access them. For menu programming direc- tions, see the Hardware & Software Setup Guide . The Appendix of that guide includes a detailed exp[...]

Application 4 Watlow M INI C HEF 2000 ■ 37 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. For more dimensions and guidelines, see the Hardware & Software Setup Guide [...]

38 ■ Watlow M INI C HEF 2000 Application 4 Step 8 Operate the Controller Summar y of Key Functions in Operation Mode Key Function A None B None 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 . If the Real-time Clock option is installed and [setUp] / [time] is progr[...]

Application 4 Watlow M INI C HEF 2000 ■ 39 Preheat If the [Ready] parameter under the [SEtUP] function in the Configuration Mode is set to yes, the controller will detect temperatures and preheat to operating temperature (above the relative set point minus the ready band) as required. • Activate the menu by pressing the Start/Stop key . • If [...]

40 ■ Watlow M INI C HEF 2000 Application 4 3. With [ready] on the displa y , place the food in the oven. Then press the Start/Stop key (indicated by the rapidly flashing indicator light). The Start/Stop key indicator will light up. Time will count down on the display . The unit will run the following two-step cooking sequence: Countdown time is d[...]

Application 4 Watlow M INI C HEF 2000 ■ 41 Setpoint 1 and F an 1 will run until Time 1 expires. Setpoint 2 and F an 2 will run until Time 2 expires. Y ou will not see the switch-over from Time 1 to Time 2. 4. Once the cooking sequence is complete, the unit will switch to the Hold sequence . The display will alternate slowly between [`Ho1d] and co[...]

42 ■ Watlow M INI C HEF 2000 Application 4 Door Opening When you open the oven door (uses Event Output 1 for switch closure . Switch closure indicates the door is open) the unit will act as described below . During the cooking sequence: time is paused and [`door] will appear on the display . The heat and fan output signal will shut off . During t[...]

Application 5 Watlow M INI C HEF 2000 ■ 43 Application 5 Manual Cook-&-Hold Oven with Meat Probe Option One Heat Channel Introduction to Application 5 . . . . . . . . . . . . . . 43 Configuration Mode Quick Reference . . . . . . . . 45 Step 7 Design a Faceplate Overlay . . . . . . . . . . 47 Step 8 Operate the Controller . . . . . . . . . . .[...]

44 ■ Watlow M INI C HEF 2000 Application 5 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. Heat 1 Temp(s) 2 Time(s) 4 5 Start / Stop 6 Down Your Company Logo 3 Up Input 1 Oven T emperature → Input 2 Probe[...]

Application 5 Watlow M INI C HEF 2000 ■ 45 Configuration Mode Quick Reference These are the functions, parameters and values included in the Configuration Mode for this application. Y ou must select Application 5 to access them. For directions, see the Hardware & Software Setup Guide . The Appendix of that guide includes an explanation of all[...]

46 ■ Watlow M INI C HEF 2000 Application 5 Auto-tuning Note: Before auto-tuning Application 5, [teNp1] in the operations menu must first be set to a value that is typical of your application. (See the Hardware & Software Setup Guide for information) Then set [tHerl] / [tunE1] to [```on] . After you accept [```on] , by pressing “Enter ,” t[...]

Application 5 Watlow M INI C HEF 2000 ■ 47 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. For more dimensions and guidelines, see the Hardware & Software Setup Guide [...]

48 ■ Watlow M INI C HEF 2000 Application 5 Step 8 Operate the Controller Summar y of Key Functions in Operation Mode Key Operation Function A Cook T emp(s) B Cook Time(s) C Up (Increment) D Hold T emp E Start/Stop F Down (Decrement) Start-up Apply power to the oven. [`idle] will appear on the display . If the Real T ime Clock option is installed [...]

Application 5 Watlow M INI C HEF 2000 ■ 49 4. Press the Up-arrow or Down-arrow key until the value you want appears on the dis- play . 5. Press the Cook T emp key again. The probe temperature has been set. [`idle] will appear on the display . Set the cooking time: 1. Press the Cook T ime key . [TiNe1] and then the cooking time value will appear o[...]

50 ■ Watlow M INI C HEF 2000 Application 5 2. Press the Up-arrow or Down-arrow key until the value you want appears on the dis- play . 3. Press the Cook T emp key again. The first cooking temperature has been set. [tENP2] and then the second cooking temperature value will appear on the display . 4. Press the Up-arrow or Down-arrow key until the v[...]

Application 5 Watlow M INI C HEF 2000 ■ 51 Five Second T imeout When using the up or down keys to change a value, if you do not press any key for 5 seconds, the controller will automatically be set to the last value on the display and return to [`idle] . Preheat If the [ready] parameter under the [SEtUP] function in the Configuration Mode is set [...]

52 ■ Watlow M INI C HEF 2000 Application 5 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. If the oven is already at operating temperature [ready] will appear on the display . 3.[...]

Application 5 Watlow M INI C HEF 2000 ■ 53 Depending on the wa y the controller was programmed at [Etype] / [Steps] the menu will run in one step or two. One Step Countdown time is displayed. Set point 1 will run until time expires . Two Step Countdown time is displayed. It is the total of the programmed Time 1 plus Time 2. Set point 1 will run u[...]

54 ■ Watlow M INI C HEF 2000 Application 5 Cancel a Menu Canceling a menu stops the controller completely . The controller does not maintain set point temperatures or run time. Y ou cancel a menu to change the menu, stop menu operation for any reason, or are preparing to shut off the oven. Press the Start/Stop key for 2 seconds (in hold, momentar[...]

6 Application 6 Watlow M INI C HEF 2000 ■ 55 Application 6 Manual Cook & Hold Oven One Heat Channel, One Manual Menu Introduction to Application 6 . . . . . . . . . . . . . . 55 Configuration Mode Quick Reference . . . . . . . . 57 Step 7 Design a Faceplate Overlay . . . . . . . . . . 59 Step 8 Operate the Controller . . . . . . . . . . . . .[...]

56 ■ Watlow M INI C HEF 2000 Application 6 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. Heat 1 Temp(s) 2 Time(s) 4 5 Start / Stop 6 Down Your Company Logo 3 Up Input 1 Oven T emperature → Input 2 not u[...]

Application 6 Watlow M INI C HEF 2000 ■ 57 Configuration Mode Quick Reference These are the functions, parameters and values included in the Configuration Mode for this application. Y ou must select Application 6 to access them. For directions, see the Hardware & Software Setup Guide . The Appendix of that guide includes an explanation of all[...]

58 ■ Watlow M INI C HEF 2000 Application 6 Auto-tuning Note: Before auto-tuning Application 6, [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 on programming menus.) Then set [tHerl] / [tunE1] to [```on] . After you accept [```on] , by pressi[...]

Application 6 Watlow M INI C HEF 2000 ■ 59 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. For more dimensions and guidelines, see the Hardware & Software Setup Guide [...]

60 ■ Watlow M INI C HEF 2000 Application 6 Step 8 Operate the Controller Summar y of Key Functions in Operation Mode Key Operation Function A Cook T emp(s) B Cook Time(s) C Up (Increment) D Hold T emp E Start/Stop F Down (Decrement) Start-up Apply power to the oven. [`idle] will appear on the display . If the Real Time Clock option is installed a[...]

Application 6 Watlow M INI C HEF 2000 ■ 61 Set the cooking time. 1. Press the Cook Time key [tiNE1] and then the cooking time value will appear on the display . 2. Press the Up-arrow or Down-arrow key until the value you want appears on the dis- play . 3. Press the Cook Time key again. The cooking time has been set. [`idle] will appear on the dis[...]

62 ■ Watlow M INI C HEF 2000 Application 6 Set the two cooking times. 1. Press the Cook Time key [TiNe1] and then the first cooking time value will appear on the display . 2. Press the Up-arrow or Down-arrow key until the value you want appears on the dis- play . 3. Press the Cook Time key again. The first cooking time has been set. [tiNE2] and t[...]

Application 6 Watlow M INI C HEF 2000 ■ 63 • 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 Start/Stop key indicator light will flash r[...]

64 ■ Watlow M INI C HEF 2000 Application 6 The unit will count up time indefinitely . The hold sequence will end and the con- troller will go into idle when you cancel the current menu by pressing the Start/Stop key . 5. Once the controller goes into idle, the Start/Stop key indicator light will switch off. 6. T o repeat cooking, repeat steps 1 t[...]

Application 6 Watlow M INI C HEF 2000 ■ 65 the cooking sequence. T emperature changes made while cooking are saved and become part of the permanent menu. Time changes are not saved and do not become part of the permanent menu. Pause a Menu While cooking, you can pause cooking time by pressing the Start/Stop key once. The Start/Stop key indicator [...]

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. • Power Supply & Input / Output T erminal 4 : AMP , 15-position, quick-connect. [...]

Ordering Information (1033) F 2 H A - _ _ _ 1 - _ _ A A M INI C HEF ™ 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, W atCurve, WatHelp diagnostics, 24V Å (ac) power [...]

68 ■ 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. Includes: – 1 AMP #1-640523-0, 15-position, qui[...]

Warranty and Returns W atlow M INI C HEF 2000 ■ 69 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. W atlow begins with a full set of specifications and completes an industrial product that is manufactured totally in- house, in t[...]

W atlow M INI C HEF ™ 2000 Cook-&-Hold Oven Applications Guide W atlow Controls, 1241 Bundy Blvd., P .O . Box 5580, Winona, MN U.S .A. 55987-5580 Phone: (507) 454-5300, F ax: (507) 452-4507[...]

Application 6 Watlow M INI C HEF 2000 ■ 71 Ordering Information (1033) F 2 H A - _ _ _ 1 - _ _ A A M INI C HEF 2000™ Cooking controller with numerous f ood equipment application software sets , single and dual channel on/off or PID temperature regulation, timer and machine-function control, microprocessor- based, programmab le, auto-tuning, W a[...]

72 ■ Watlow MiniChef 2000 Application 16 the display . (The message, which varies based on programming at [M```] / [ALArn] will appear for ten seconds.) An audible tone will sound for five seconds. T ime will continue to count down on the display . 4. When the cooking cycle is finished one of the following will happen, depending on the way the co[...]

W atlow M INI C HEF ™ 2000 Cook-&-Hold 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[...]