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Auber WS-1500EBPM Operation Instruction Manual

Ws series precision pid temperature controller
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Introduction
Thank you for purchasing the Auber WS series temperature controller. We sincerely
appreciate your decision and trust that our machine will meet your expectations in both
the quality of the result and the value of our product. While we are delighted that you may
be anxious to operate the controller for your project, a few minutes of your time reading
through this manual will only serve to enhance your experience in the months and years
ahead. In particular, we urge you to read through the safety warnings below. Although
this plug-and-play controller is very easy to operate, the process involves high
temperature and high wattage appliances, and your safety is paramount.
 This controller is designed only to be used with devices that have limited power
and their own thermal cutoff protection, such as a thermostat or thermal fuse in
case of controller failure.
 Do not place any objects on the top of controller surface which is used to vent
excess heat during its operation.
 The maximum electric current this controller can handle is 15 Ampere. For 120
volt AC in US and Canada, this limits the heater power to 1800 watts. Due to its
compact size and the splash proof design for kitchen applications, the controller
has a limited ability to dissipate the heat generated by the internal solid state relay
during the initial heat up. The initial full power heat up process cannot be more
than 90 minutes. If you system need take longer time to warm up, please read
Appendix 1 "Managing the heat generated by the controller"
 Always place the sensor in the controlled subject when the controller is on.
Before turning on the controller, please make sure the sensor is placed inside the
container to be controlled. Leaving the sensor outside will form an open loop
Operation Instruction Manual
WS-1500EBPM
Precision PID Temperature Controller
Version 1.1
Auber Instruments
5755 North Point Parkway, Suite 99
Alpharetta, GA 30022
770-569-8420
www.auberins.com
May, 2013
SAFETY WARNINGS
1

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Summary of Contents for Auber WS-1500EBPM

  • Page 1 May, 2013 Introduction Thank you for purchasing the Auber WS series temperature controller. We sincerely appreciate your decision and trust that our machine will meet your expectations in both the quality of the result and the value of our product. While we are delighted that you may...

  • Page 2: Specifications

    Instruments only. Using it to control a not recommended device can be dangerous and cause fire. Auber Instruments is not liable for damages caused by misuse of the controller. If you are not sure the controller can be used, please contact Auber Instruments before use.
  • Page 3 1) Description of the controller. Figure 1. Front Panel (1) Parameter Window (LED) - For displaying temperature values and controller's system parameters. (2) Output status indicator - In normal mode, this LED indicates the heater status. When it is on (lit), the heater is powered. When it is off, the heater power is off. When it is flashing, it means the heater is on and off intermittently to reduce the power output.
  • Page 4  When it is flashing “(8)” is off, the controller is in the parameter setting mode. “(1)” is the value can be changed by using (4) and (5) key. Figure 2. Back Panel 2) Connecting the controller Figure 3. Typical connection between the controller and the heating device (in this example, the cooker).
  • Page 5  Turn on the controller to make sure the controller powers up properly, and the temperature display is in the range expected. Then, turn off the controller.  Plug the heater to the back of the controller. If the heater has a switch, put it in the off position.
  • Page 6 Figure 5. How to remove the sensor. 3) Programming the temperature profile. A total of 6 steps can be programmed with this controller. Each step contains the temperature (C0X) and time duration (T0X) setting. They are represented by the symbol C0X and T0X, where “X”...
  • Page 7 4 sec Figure 6. Temperature profile programming flow chart. The temperature setting will not be changed if SET is not pressed (confirmed). After programming the necessary steps for cooking, you can finish programming by pressing the SET continuously until it passed T06 and the LED displays the current temperature. You can also leave the controller alone.
  • Page 8 Table 1. Initial program setting Step # Temp (C) Step # Time (min) 60.0 4) Checking the current step and display the time This is done by pressing the Time Key “(6)” once. The display will show T0X for one second before it displays the time it has been on that step.
  • Page 9 Slow cooker, 7 quart Slow cooker, 4 quart Slow cooker, PD mode (low overshoot) Bradley Smoker Please note that the P value in table is in Fahrenheit unit. If the controller is using Celsius unit, divide the P value by 1.8. If you switch from Fahrenheit display to Celsius, the controller will automatically convert all the settings.
  • Page 10 by 1.8 when changed to Fahrenheit. On/off mode. If P is set to 0, the control mode will be changed from PID mode to On/off mode. On/off mode should be used for controlling an external relay, a solenoid valve, or a compressor of freezer. You also need to set the hysteresis band (dead band) for the on/off mode.
  • Page 11 Figure 7. Auto-Tuning Before using the auto-tune function, you must set the cooking equipment up in the exact configuration it will be used. For example, to tune a rice cooker, place the sensor in the room temperature pot filled with water and plug the cooker into the controller.
  • Page 12 every 10 seconds. This parameter should set at 2 second for heating with an electric heater. When controlling a solenoid valve or a compressor of refrigerator, the T should be set to 10-20 to reduce the frequency of on/off. To prevent changing critical parameters by accident, an access lock, LCK is used. Special code is needed to open the lock for these parameters.
  • Page 13 and press SET will activate the auto-tune. The next setting is the “t” setting, use “-” and “+” to set the cycle time value. This value should remain 2 for most application. After change the PID parameter, the controller needs to be turned off and on again for the best result.
  • Page 14 output if the temperature increased less than 3 °C (5 °F) after the controller was powered up for 5 minutes. The alarm buzzer will be turned on at the same time. The display will flashing OPEN (oPEn).  Hy. Hysteresis band (or dead band). This parameter is used for on/off control only. In the on/off heating mode, the heater will be turned off when T = SV, and turned on again when T<SV-Hy.
  • Page 15 Figure 9. Code 155 Parameter setup flow chart Press and hold SET key for 4 seconds until the Parameter Window displays “LCK”. Release the SET. The display will show “0”. Use “+” and “-” keys to adjust the display to 155 (another pass code) and press SET.

  • Page 16: Warranty

    Alpharetta, GA 30022 If the appliance is found by Auber Instruments to be defective in material or workmanship, Auber Instruments will repair or replace it free of charge. A dated proof of purchase may be required. The liability of Auber Instruments is limited solely to the cost of the repair or replacement of the unit at our discretion.
  • Page 17 “ATTENTION CUSTOMER SERVICE”. We are constantly striving to improve our products and therefore the specifications contained herein are subject to change without notice.
  • Page 18 Appendix 1 Managing the heat generated by the controller The heat dissipation of the controller is directly related to the electric current drawing power of the heater. If your cooker consumes less than 10 ampere of current or your pot is less than 5 gal (19 liters), you do not need to worry about the heat generated by the controller.
  • Page 19 In addition to these solutions, following information will also help you to manage the heat. Place the controller in the right place. The SSR of Auber WS series controller is mounted in the bottom of chassis. The chassis is made of 3 mm thick aluminum for good heat dissipation.