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TORREY PINES SCIENTIFIC EchoTherm IC22 Operating Manual

Digital, electronic chilling/heating dry bath
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OPERATING MANUAL
EchoTherm
DIGITAL, ELECTRONIC CHILLING/HEATING DRY BATH
MODELS IC22 & IC22XT
Applies to version 5.2 and higher
DOCUMENT NUMBER IC22 & IC22XT-02
Revised Feb 2021
TORREY PINES SCIENTIFIC, INC.
2713 Loker Ave. West
Carlsbad, CA 92010
TELEPHONE: (760)-930-9400
TOLL FREE: (866)-573-9104
FAX: (760)-930-9480
E-Mail: info@torreypinesscientific.com
Web site:
www.torreypinesscientific.com

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Summary of Contents for TORREY PINES SCIENTIFIC EchoTherm IC22

  • Page 1 DIGITAL, ELECTRONIC CHILLING/HEATING DRY BATH MODELS IC22 & IC22XT Applies to version 5.2 and higher DOCUMENT NUMBER IC22 & IC22XT-02 Revised Feb 2021 TORREY PINES SCIENTIFIC, INC. 2713 Loker Ave. West Carlsbad, CA 92010 TELEPHONE: (760)-930-9400 TOLL FREE: (866)-573-9104 FAX: (760)-930-9480 E-Mail: info@torreypinesscientific.com...

  • Page 2: Table Of Contents

    X. SETTING TEMPERATURE AND OTHER FEATURES ....14 SETTING TEMPERATURE ................14 SETTING TIMERS ..................15 SETTING THE UNIT TO “IDLE MODE” ............17 DATA LOGGER .................... 19 XI. TEMPERATURE CALIBRATION ............ 21 Two-Point User Calibration ................21 Torrey Pines Scientific, Inc.
  • Page 3 COM Settings ....................26 XIV. CLEANING, MAINTENANCE, AND CONSUMABLE PARTS ..27 CLEANING ....................27 MAINTENANCE .................... 27 SPARE PARTS AND CONSUMABLES ............28 XV. ADDITIONAL SYMBOLS ............... 28 APPENDIX A: Commands Using the Serial Port ....... 29 Torrey Pines Scientific, Inc.

  • Page 4: Introduction

    II. WARRANTY Torrey Pines Scientific warrants this product to be free from defects in material and workmanship for a period of one year from the date of purchase. If repair or adjustment is necessary and has not been the result of abuse or misuse within the one year period, please return---freight prepaid---and correction of the defect will be made without charge.

  • Page 5: Labels

    Be certain to use a line cord with the same rating and of the same type as the one supplied by the manufacturer. Use the normal care and precaution one would use with any electrical appliance. Torrey Pines Scientific, Inc.

  • Page 6: General Description

    VI. GENERAL DESCRIPTION Torrey Pines Scientific IC22/IC22XT units are Peltier driven for chilling & heating. They come with a universal power suppl. The units have only one moving part, the DC fan that cools the unit. Everything else is solid state and should last years without problem. All functions of the unit are accessible from the front panel via the membrane switch and accompanying digital display.
  • Page 7 The units are equipped with EEPROM memory that will store user settings such as the last set point, MENU options, user changed calibration points, and logged data points. The stored values will be recalled each time the unit powers up to maintain the configuration of the previous session. Torrey Pines Scientific, Inc.

  • Page 8: Front And Rear Panel Controls

    The displayed plate temperatures are the actual temperature of the center of the plate surface. There are two LEDs on the front panel. One is a power-on indicator and the other is the plate surface hot indicator that will illuminate when the plate is at or above 50C. Torrey Pines Scientific, Inc.

  • Page 9: Rear Panel

    REAR PANEL The rear panel shown has the on/off power switch at the left, the 12 Volt DC power input jack in the middle, the DB9 connector for the RS232 I/O port is on the right. Torrey Pines Scientific, Inc.

  • Page 10: Set Up Parameters

    6. Set target temperature and timer, if wanted, according to the instructions that follow. Note: Do not use this equipment in any manner not specified by the manufacturer. ENVIRONMENTAL INFORMATION 1. This unit is for installation category II. 2. This unit is rated pollution degree 2. Torrey Pines Scientific, Inc.

  • Page 11: Display And Keyboard Descriptions

    The two push buttons enable the user to set a temperature, to set a timer, and to calibrate the temperature against a local standard. Figure 1 below describes the screens for different modes of operation. Figure 1: Display Screens for Different Modes of Operation Torrey Pines Scientific, Inc.

  • Page 12: Push Buttons

    A press-and-hold double key press is described as simultaneously pressing and continuing to press both UP and DOWN ARROW keys for approximately 3 seconds. For example, in Torrey Pines Scientific, Inc.
  • Page 13 Menu of back plate features on the LCD display. Scrolling to the various options in the Menu is accomplished by pressing the UP and DOWN ARROW buttons. This manual contains details on accessing and setting the various Menu options. Torrey Pines Scientific, Inc.

  • Page 14: Setting Temperature And Other Features

    “T=cal1” for the front plate temperature. See the “XII Temperature Measurement Error Codes” section of this manual for a complete listing and the appropriate course of action should an error occur. Figure 2: How to Select Front or Back Plate then Change Set Point Torrey Pines Scientific, Inc.

  • Page 15: Setting Timers

    See Figure 5 for details on Timer Options and the Idle Mode section of this manual for more details. Figure 3: Menu Map to Set and Start the Timer for the Front Plate Torrey Pines Scientific, Inc.
  • Page 16 Figure 4: Menu Map to Stop the Running Timer Figure 5: Menu Map to Select Timer Options Torrey Pines Scientific, Inc.

  • Page 17: Setting The Unit To "Idle Mode

    1. By pressing either arrow button –the set point will be set to 20C. 2. By selecting “Clr Idle Mode” from the menu—the set point before the unit was set to Idle Mode will be restored Figure 6: Menu Map to Set Idle Mode using the Menu Torrey Pines Scientific, Inc.
  • Page 18 Figure 7: Menu Map to Clear Idle Mode using the Menu Using the Menu Torrey Pines Scientific, Inc.

  • Page 19: Data Logger

    The data buffer can then be downloaded via the RS232 I/O port (ref XIII. RS232 INTERFACE). Figures 8, 9, and 10 show the steps to set the log period and how to start and stop a logging session. Figure 8: Menu Map to Set Log Period Torrey Pines Scientific, Inc.
  • Page 20 Figure 9: Menu Map to Start Logging Session Figure 10: Menu Map to Stop Logging Session Torrey Pines Scientific, Inc.

  • Page 21: Temperature Calibration

    Two-Point User Calibration Proper two-point calibration requires the unit to be calibrated by the user at both a low temperature and a high temperature. After calibration, the control algorithm inside the IC22 Torrey Pines Scientific, Inc.

  • Page 22: Single-Point User Calibration

    37C, the measured value when the unit reads 37C will be 37C, but when the unit reads 25C the measured value will likely be higher or lower than 25C. *”IC22” in the above text applies to models IC22 and IC22XT Torrey Pines Scientific, Inc.

  • Page 23: Menu: Calibrate

    Check with the factory if help is needed. Also, calibration kits are available. Figure 11: Menu Map to Calibrate the Front Plate Temperatures Torrey Pines Scientific, Inc.

  • Page 24: Menu: Reset Cal Points

    Figure 12 shows the keystrokes to reset the calibration points. Select “Reset Cal Pts” and the unit will retrieve the calibration values obtained when the unit was calibrated at the factory prior to shipment. Figure 12: Menu Map to Reset Cal Points to Factory Torrey Pines Scientific, Inc.

  • Page 25: Temperature Measurement Error Codes

    Recommended Action The RTD Sensor is not connected or has RTDo Inspect Sensor and Sensor Connector failed and/or Contact Torrey Pines Scientific RTDs The RTD Sensor has shorted or has failed The Calibrated Temperature Value is out cal0 of range...

  • Page 26: Rs232 Serial Com Interface

    9600 baud 1 stop bit no parity no hardware handshake 100ms delay after each command sent (after \r) Note: To comply with CE and to avoid possible EMI radiation from the RS232 cable, use a shielded cable. Torrey Pines Scientific, Inc.

  • Page 27: Cleaning, Maintenance, And Consumable Parts

    UP or the DOWN Arrow buttons. Three dots (“---“) should appear on the LCD display—continue pressing the button until the message “Unit Reset” appears on the LCD display. Torrey Pines Scientific, Inc.

  • Page 28: Spare Parts And Consumables

    Power Cord, Germany (European) 730-0003 Power Cord, UK 730-0004 Power Cord, Italy 730-0005 Power Cord, Australia/China XV. ADDITIONAL SYMBOLS The following are additional symbols found on labels on the instrument Symbol Description Voltage Alternating Current Current Frequency Power Torrey Pines Scientific, Inc.

  • Page 29: Appendix A: Commands Using The Serial Port

    Description: When the command V<CR> is received by the IC22/IC22XT unit, the 8 character serial number will be returned in a text string terminated by <CR><LF>. The serial number for every IC22/IC22XT unit is unique. If the command is not received in the proper syntax, e<CR><LF> will be returned. Torrey Pines Scientific, Inc.
  • Page 30 Example1— Change set point to -10C: send: n-10<CR> returned: ok <CR><LF> Example2 – Change set point to 9C : send: n9<CR> returned: ok <CR><LF> Example3 – Change set point to 100C : send: n100<CR> returned: ok <CR><LF> Torrey Pines Scientific, Inc.
  • Page 31 See Command: #F or Figure 10 to reset cal points if a calibration error has occurred Example—Return the plate temperature: send: p<CR> returned example 1: -10 <CR><LF> returned example 2: 9 <CR><LF> returned example 3: cal1 <CR><LF> Torrey Pines Scientific, Inc.
  • Page 32 1 second which means that a data point will be stored once every second. If the command is not received in the proper syntax, e<CR><LF> will be returned. Example – set to log a data point every second Torrey Pines Scientific, Inc.
  • Page 33 Function: Reset all Calibration Values to Factory Set Values Description: When the command #F<CR> is received by the IC22/IC22XT unit, the unit will reset and store all calibration values for both plates to those measured and set in the factory prior to shipment. Torrey Pines Scientific, Inc.
  • Page 34 Function: Reset Unit to Default Configuration Description: When the command #Z<CR> is received by the IC22/IC22XT unit, the unit will reset all non- volatile memory to default factory values. Example – reset Unit send: #Z<CR> returned: Unit Reset<CR><LF> Torrey Pines Scientific, Inc.
  • Page 35 Reset unit to default configuration (rarely necessary) #Z<CR> Uint Reset <CR LF> <CR> is ASCII eturn char (for example: “enter” keyboard press for HyperTerminal, “\r” for C pgms, ASCII hex char “D”) <LF> is ASCII linefeed char (d’10 or ‘\n’) Torrey Pines Scientific, Inc.

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Echotherm ic22xt

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