Watlow EZ-Zone Controller Heating Profiles
Contents
1. for Timed Interval This is the ramping timed interval option It can be used to both ramp up and ramp down the oven s temperature over a user specified time period 5 Press the Advance Button once The display will show tSP1 for the Temperature Set Point 1 parameter and an adjustable temperature set point in red 1 Profile Selection Menu 2 Step Menu Profile 1 3 Option Setup Page 4 Timed Interval WATLOW PROGRAMING GUIDE 6 Set Point 150 C Press and hold 6 Adjustthe temperature set point to 150 C using the Arrow buttons Holding down an Arrow Button will cause the adjustment to speed up 7 Hour Parameter Press the Advance Button This saves the setting of 150 C and advances Page to the Hour Parameter page Use the Arrow Buttons to adjust the Hour setting to 1 Press the Advance Button advance to the Minute and then Second Parameter Pages Adjust these parameters to zero 0 using the Arrow Buttons 8 Event Pages 8 Press the Advance Button two 2 times to move through the Ent1 and Ent2 event parameter pages Leave both of these parameters set to oF F a Pressing the Advance Button the second time will return the display to the Timed Interval Option setup page 9 Timed Interval 9 Once back at the Timed Interval Option setup page press the Reset Button to return to the Step 1 on Profile 1 s Step Selection Menu 10 Step 1 Profile 1 Saved 10 Step 1 of Profile 1 is2. Watlow EZ Zone Controller Ovens SHEL UUWATLOW EZ ZONEOS gt Profile Programing Guide Watlow Controller Watlow EZ Zone for Sheldon Ovens WATLOW PROGRAMING GUIDE Sheldon Manufacturing 300 N 26th Ave Cornelius OR 97113 EMAIL tech shellab com PHONE 1 800 322 4897 Part Number Guide 9920715 503 640 3000 Last Revised March 11 2014 PURPOSE This guide describes how to program and launch heating profiles in the Watlow EZ Zone Temperature Controller when installed in Sheldon Manufacturing ovens It is a simplified alternative to Chapter 7 of the controller s factory provided manual and explains the most commonly used programing options INTRODUCTION The Watlow EZ Zone Controller can hold up to four heating 4 profiles each with ten 10 sequential steps Each step can be used to initiate one of three commonly used options e Timed Interval Heating or cooling the oven e Soak Constant temperature period e End Concludes a running profile Each option includes parameters that can be set by the user For example the Soak option comes with time duration parameters for hours minutes and seconds All steps are stored sequentially in the controller s long term memory e Profile 1 steps 1 10 e Profile 2 steps 11 20 e Profile 3 steps 21 30 e Profile 4 steps 31 40 oteps and heating profiles will remained stored when the oven is turned off or experiences a power outage In t
3. The User USEr parameter choice for End restores the oven to the user s manual control and returns the oven to its pre profile heating state POWERING THE EXTERNAL OUTLET This section does not apply to vacuum ovens Some forced air and convection ovens are provided with an external electrical outlet for powering an accessory exhaust blower fan Watlows for these ovens include an Event 1 parameter for each step option Switching this parameter from Off to On will trigger the power up of the oven s external power outlet and any equipment attached to it when the step is reached during a profile Switching to parameter to Off depowers the outlet when the step is reached By default the Event 1 parameter is set to Off It must be switched to On for each successive step that you want it to run during the execution of the profile As of the current printing of this guide the following ovens can use the Event 1 parameter to power an external exhaust blower SMO5HP 2 SMO10HP 2 SMO14HP 2 SMO34HP 2 SMO38HP 2 and SMOSCR 2 The units previously designated as HF4 2 HF10 2 HF15 2 HF25 2 HF37 2 and CR1 2 Note The Event 2 parameter is not associated with an output or a function for Sheldon ovens Always leave Event 2 set to Off 5 Page LAB WATLOW PROGRAMING GUIDE The Home Page Temp in Red Set Point in Green 6 Page PROGRAMING A SIMPLE HEATING PROFILE This is three step profile that will ramp the ov
4. en up to 150 C over a one 1 hour period then soak at 150 C for four 4 hours and then return the oven to its pre profile state and manual user control An instructional video showing how to program this profile can be found at http www shellab com store virtual tour vac oven html The video applies to all ovens with the Watlow EZ Zone Controller If at any time during the procedure you find yourself on the wrong screen press the Reset Button once to jump back one page Begin procedure on next page GLAB WATLOW PROGRAMING GUIDE 5 seconds Accessing the Profile Selection Menu Page 1 Push and hold the green Advance Button for five 5 seconds The display will advance twice Release the button after the second advance when the display shows P1 ProF This is the Profile Selection Page a The P1 indicates that Profile 1 is selected You can scroll through all four profiles using the Up and Down Arrow buttons Stay on P1 for this exercise Profile 1 Step 1 1 hour ramp up to 150 C 2 Press the green Advance Button again to choose Profile 1 The display should now read 1 P1 indicating that the display is showing Step 1 of Profile 1 This is the Step Selection Menu Press the Advance Button again to move to the Option Setup Page for Step 1 The S tYP page name will show in green and options for the step are shown in red Press the Up or Down Arrow until the top display shows Ti
5. f Profile 1 has now been saved Procedure continued on next page 10 Page GLAB WATLOW PROGRAMING GUIDE Profile 1 Step 3 Ending the Profile 18 Step 3 Profile 1 18 Press the Up Arrow to advance to Step 3 19 Option Page End 19 Press the Advance Button to move to the S tYP setup option menu page for Step 3 a Use the Up Arrow to select the End option to end the profile 20 User Parameter 20 Use the Advance Button to move to the End Option parameter menu page Use the Arrow Buttons to select the USEr parameter setting The User setting will restore manual control of the oven to the user and return the oven to its pre profile heating state when the step is run 21 Event Pages 21 Press the Advance Button three times to save the End parameter as User and leave the Event 1 and Event 2 parameters set to Off 22 End Setup Saving 22 Once back at the End S tYP setup page press the Reset Button to save and return to Profile 1 s Step Selection Menu Page 11 Page LAB WATLOW PROGRAMING GUIDE 23 End Setup Saved 23 Steps 1 3 of Profile 1 are now saved and ready to run as a self terminating three 3 step profile a Press the Reset Button to return to the home page 23 End Setup Saved eo Profile 1 Launch Optional 24 Press the orange EZ1 shortcut button to quick launch Profile 1 A red EZ1 will illuminate on the bottom right of the Home Page and a
6. from the Profile Start Menu 1 Profile Start Menu otarting at the Home Page press the Advance Button repeatedly until the Profile otart Menu appears in the display with a step between 1 and 40 shown in red at the top right 2 Use an Arrow Button to scroll to the you wish to launch a Scroll to Step 1 to launch Profile 1 Step 11 to launch Profile 2 Step 21 to launch Profile 3 Step 31 to launch Profile 4 3 Profile Action Request Page 3 After scrolling to the step press the Advance Button The display will advance to the Profile Action Request Page P AC1 4 Profile Launching 4 Use an Arrow Button to change nonE to Step Approximately three 3 seconds after changing the parameter setting the heating profile will launch automatically and the red ramping indicator will illuminate The Step parameter setting will automatically revert back to nonE when the profile launches Procedure continued on next page 14 Page LAB WATLOW PROGRAMING GUIDE 5 Returned to Home Page 5 Press the Reset Button to return to the Home Page while the profile is running COMBINING PROFILES Profiles may be combined by programing their steps sequentially as a single profile For example programming steps 1 14 sequentially and choosing the End option for Step 14 will cause Profile 1 to run through all 14 steps when launched Launching Profile 2 in this programing configuration would o
7. he event of a power interruption while running a profile the oven will restart if the Power Switch is in the On position but it will not automatically resume the profile An interrupted profile must be re launched by the user 2 Page LAB TABLE OF CONTENTS EE 2 ROW 2 Main TEEN 4 Commonly Used Prole Step Be e loan 5 Powering EX 5 Programing a Simple Heating Profile ken 6 Kl 019102 14011900 MONIC Si eo M T 13 ENO OE 14 leit FI OU O ora arne EE EREE PEER E EEEE E AEEA TEE N EEE A E OEN 15 Dioecesis 15 3 Page LAB WATLOW PROGRAMING GUIDE Watlow Controller Details THE EZ1 BUTTON THE RESET BUTTON INITIATES AND ABORTS MOVES 1 PAGE BACK HEATING PROFILE 1 OR RETURNS TO THE HOME PAGE CURRENT OVEN CHAMBER TEMPERATURE THE UP ARROW BUTTON ADJUSTS SET POINTS OR CHANGES PARAMETERS TEMPERATURE SET POINT YOUR DESIRED TEMPERATURE THE DOWN ARROW BUTTON ADJUSTS SET POINTS OR NUMBERS INDICATE CHANGES PARAME TERS COMMUNICATION FUNCTIONS RAMPING SYMBOL INDICATES THAT A HEATING PROFILE IS RUNNING THE ADVANCE BUTTON SCROLLS THROUGH MENUS AND PARAMETER LISTS MAIN TEMPERATURE CONTROL The Watlow EZ Zone Controller is used as the main temperature controller and display on several Sheldon Manufacturing ovens and is labeled SET TEMPERATURE The controller has a digital display and Up Down Arrow buttons used for adjusting the oven s tem
8. nly run Steps 11 14 ABORTING A RUNNING PROFILE The EZ1 Button can be used to abort a running profile e Press the button once to abort Profile 1 if it was launched using the EZ1 quick launch function e Press the button twice to abort any profiles launched from the Profile Start Page as described in items 1 5 on the previous pages Note Pressing the EZ1 Button while running a profile launched from the Profile Start Page does the following It immediately launches Profile 1 ending the previous profile Pressing the button a second time then aborts the newly launched Profile 1 End of Guide 15 Page e LAB Sheldon Manufacturing Inc P O Box 627 Cornelius Oregon 97113 EMAIL tech Shellab com INTERNET http www Shellab com PHONE 1 800 322 4897 503 640 3000 FAX 503 640 1366
9. now saved 8 Page LAB WATLOW PROGRAMING GUIDE Profile 1 Step 2 4 hour constant temperature soak at 11 Step 2 Profile 1_ 150 C 11 Use the Up Arrow Button to advance the top red display to 2 for step 2 of the profile 12 Setup Page 2 12 Press the Advance Button once to advance to the Option Setup page for Step 2 13 Soak Setup 13 Use the Up Arrow Button to scroll through the options in the red menu to the SoAh Soak option Soaking is a period of constant temperature The default temperature for a soak is the last temperature set point selected in a previous step In this case the 150 C chosen in step 1 14 Soak Time 14 Press the Advance Button to move to the hour parameter page a Use the Up Arrow to enter a value of four 4 hours in the top display for the soak move through and save the Minute and Second parameters at 0 15 Event Pages 15 Press the Advance Button two more times to move through the Ent1 and Ent2 event menu pages Leave both parameters set to oF F b Press the Advance Button three 3 times to save the Hour value then a Pressing the Advance Buiton the second time will return the display to the Soak Option setup page 9 Page LAB WATLOW PROGRAMING GUIDE 16 Soak Saved 16 Once back at the setup Soak Option Page press the Reset Button to save the programed soak 17 Step 2 Profile 1 Saved 17 Step 2 o
10. perature set point and for selecting menu options On some ovens models the arrows are also used for setting the Over Temperature Limit setting The EZ1 button is a shortcut button to launch heating Profile 1 It can also be used to manually abort a running profile The green Advance Button advances the display through pages and option lists The RESET Button is used to move the display back to previous pages when programing heating profiles and to return to the Home Page The Reset Button is labeled with an infinity symbol on older Watlows Note The EZ2 Button does not have a function in Sheldon Manufacturing ovens 4 Page LAB WATLOW PROGRAMING GUIDE COMMONLY USED PROFILE STEP OPTIONS Display Code Function Ramp Up Ramp Ti The Timed Interval step option is used for ramping up or Down ramping down the oven s temperature over a user selected Timed Interval time interval Note Use of this option must take into account the oven s maximum heating and cooling rates which can vary with environmental conditions of your shop production space or laboratory SoAh The Soak option runs the oven at a constant temperature for a duration programed using the option s minute hour and second parameter settings End Profile The End option ends a running profile when that step is reached If the End option is not chosen a running profile will advance to the next programed step stored in the controller s memory
11. red ramping icon will show just to the right of the green temperature set point It may take several seconds for the controller to perform its calculations and then start heating the oven The profile is now active and will run for its five 5 hour three 3 step duration unless aborted by pressing the EZ1 Button again 12 Page LAB WATLOW PROGRAMING GUIDE PROGRAMING PROFILES 2 4 The following procedure is used to start programing Profiles 2 4 beginning at the Home Page 1 Profile Page Hold 2 1 Holddownthe Advance Button for five 5 seconds to reach the Profile Selection 47m Menu a Press an Arrow Button to select P2 or P3 or P4 P2 indicates Profile 2 etc 2 Step 1 Profile 1 2 Press the Advance Button a If P2 was chosen the screen will now show 11 P2 b 11 indicates step 11 Profile 2 consists of steps 11 20 in the controller s memory 3 Setup Page 3 Press the Advance Button again to advance to the Option Setup Menu for Step 11 Program as many of Steps 11 20 of Profile 2 as needed using the Timed Interval and Soak options Choose the End option for the final step you wish to end the profile on Repeat this procedure to program Profiles 3 or 4 as needed 13 Page e LAB WATLOW PROGRAMING GUIDE LAUNCHING PROFILES o Profile 1 may be quick launched from the Home Page by pressing the EZ1 Button once All four 4 profiles may be launched
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