CHART MVE 815P-150 Operating And Maintenance Manual
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CHART MVE 815P-150 Operating And Maintenance Manual

Cryogenic freezers with mve tec3000 controllers
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Summary of Contents for CHART MVE 815P-150

  • Page 1 Chart Cryogenic Freezers with MVE TEC3000 Controllers Operating and Maintenance Manual...

  • Page 2: Preface

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Chart Cryogenic Freezer MVE TEC 3000 Controller Operating and Maintenance Manual P/N 13289499 Rev H Preface Chart Inc. 2200 Airport Industrial Drive, Suite 500 Ball Ground, GA 30107 Chart Inc.

  • Page 3: Table Of Contents

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 2. Table of Contents 1. Preface ............................4 2. Table of Contents ........................2-4 3. Safety and First Aid ........................ 5-6 4. Certifications and Listings ...................... 7 5. Product Information ......................... 8 5.1.
  • Page 4 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.5. Advanced Settings ................64 7.2.5.1. Timed Filling ..............64-65 7.2.5.2. Maximum Fill Time ............. 66 7.2.5.3. Time and Date ............... 67-68 7.2.5.3.1. Communication Settings..........69 7.2.5.3.2. COM Setup / Type ............69 7.2.5.3.3.

  • Page 5: Rev G

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Page intentionally blank 13289499 Rev G •...

  • Page 6: Safety And First Aid

    Wear Protective Gloves procedures. A face shield must be worn during indicated Wear a Face Shield procedures. Chart Cryogenic Freezers are conform to relevant UL Listed Mark UL safety standards. Chart Cryogenic Freesers are assessed to meet CE Mark safety, health, and environmental protection requirements for Europe.
  • Page 7 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Liquid Nitrogen Safety Liquid nitrogen (LN2) is used in Chart Cryogenic Freezers as a refrigerant. Understanding potential hazards and following safety precautions is important when handling LN2 and these freezers.
  • Page 8 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Equipment Usage Cryogenic containers must be operated in accordance with the manufacturer/supplier instructions. Cryogenic Dewars must be kept in a well- ventilated area protected from weather and away from heat sources.

  • Page 9: Certifications And Listings

    TEC 3000 Operating and Maintenance Freezer Manual 4. Certifications and Listings All fully automatic Chart MVE cryogenic freezer systems equipped with TEC 3000 controllers are UL Listed for the United States and Canada and CE marked to the Low Voltage Directive (LVD). Specially designated freezer models are also CE marked to the Medical Device Directive (MDD).

  • Page 10: Product Information

    This section will give an overview of Chart MVE cryogenic freezers and components. Chart MVE offers a wide range of LN2 freezers with TEC 3000 controllers that can accommodate a variety of inventory systems designed to meet all of your cryogenic storage needs. Each freezer is a hand-made, double-walled, vacuum insulated stainless steel Dewar designed to maintain temperature with minimal LN2 evaporation.

  • Page 11: Mve High Efficiency / Vapor Series

    Casters Freezer Model in. (mm) Height in. (mm) In (mm) lbs. (kg) lbs. (kg) lbs. (kg) in. (mm) MVE 815P-150 32 (813) 75.1 (1908) 47.3 (1202) 6 (152) 475 (215) 1134 (514) 284 (129) MVE 815P-190 32 (813) 75.1 (1908) 47.3 (1202)

  • Page 12: Mve Series

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.1.2. MVE Series The MVE Series freezers are designed primarily for liquid phase storage, but can be used for vapor phase storage with the vapor storage accessory package. The wide neck opening allows easy access to stored samples.

  • Page 13: Mve Stock Series

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.1.3. MVE Stock Series The MVE Stock Series freezers are designed primarily for storage of either vials or straws on canes in liquid nitrogen, but can also be used for vapor phase storage with the vapor storage accessory package.

  • Page 14: Mve Cabinet Series

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.1.4. MVE Cabinet Series The MVE Series freezers are designed primarily for liquid phase storage, but can be used for vapor phase storage with the vapor storage accessory package. The wide neck opening allows for ergonomic sample retrieval and the aesthetic square cabinet design fits snugly into tight corners.

  • Page 15: Mve Heco Series

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.1.5. MVE HEco Series The MVE HEco Series freezers will maintain a vapor storage temperature of -190°C with minimal LN2 evaporation while accommodating a wide variety of inventory systems. This freezer is designed for easier access to the plumbing stack.
  • Page 16 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.1.6. CryoSystem 6000 Full Auto The MVE CryoSystem is designed primarily for liquid phase storage. The durable, tamper-proof lid design with its wide neck opening allows for ergonomic sample retrieval. The unique design is manufactured with the TEC3000 and plumbing system.

  • Page 17: Plumbing Assembly

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.2 Plumbing Assembly The plumbing assembly carries and regulates the flow of LN2 from the liquid supply through the annular fill line, and into the freezer. There are three plumbing assembly configurations; one for the HE/Stock Series, one for the HEco Series, and one for the MVE/Cabinet Series.
  • Page 18 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual MVE Series Plumbing Assembly Purge Circuit Fill Circuit Hot Gas Bypass Circuit Part Number Component Spec Details 24 VDC, R ≈ 70 Ω (single), 35 Ω (dual) 14224611S Fill Solenoid Valve 1810032 Pressure Relief Valve 50 PSI (3.45 bar)
  • Page 19 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual HEco 800 Series Plumbing Assembly Bypass Circuit Purge Circuit Fill Circuit Part Number Component Spec Details 24 VDC, R ≈ 70 Ω (single), 35 Ω (dual) 14224611S Fill Solenoid Valve 1810032 Pressure Relief Valve 50 PSI (3.45 bar)
  • Page 20 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual HEco 1500 Series Plumbing Assembly Bypass Circuit Purge Circuit Fill Circuit Part Number Component Spec Details 24 VDC, R ≈ 70 Ω (single), 35 Ω (dual) 14224611S Fill Solenoid Valve 1810032 Pressure Relief Valve 50 PSI (3.45 bar)
  • Page 21 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual HEco 1800 Series Plumbing Assembly Bypass Circuit Purge Circuit Fill Circuit Part Number Component Spec Details 24 VDC, R ≈ 70 Ω (single), 35 Ω (dual) 14224611S Fill Solenoid Valve 1810032 Pressure Relief Valve 50 PSI (3.45 bar)

  • Page 22: Tec 3000 Display

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.3 TEC 3000 Display The TEC 3000 front panel display is the primary user interface for the TEC 3000. There are two display options: text or symbolic. Text Display Symbolic Display LDC Display 20 x 4 LCD with backlight START FILL Key...

  • Page 23: Tec 3000 Stand Alone Back Panel / Physical Connections

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.4 TEC 3000 Stand Alone Back Panel / Physical Connections The TEC 3000 physical and electrical connections are located on the bottom of the stand-alone (non-cabinet) controller and on the back panel of the cabinet controller. Temp A Port Connection for Temp A probe Temp B Port...
  • Page 24 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 13289499 Rev H •...
  • Page 25 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.4.2 TEC3000 12-Pin Wiring Harness Connections POSITION DESCRIPTION WIRE COLOR WIRE GAUGE LENGTH +24VDC BATTERY BACKUP DARK BLUE 50" -24VDC BATTERY BACKUP ORANGE 50" BLACK WHITE + LID SWITCH STRIPE 96"...

  • Page 26: Specifications

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.5 Specifications TEC 3000 Dimensions (stand-alone) Length 9.1 in. (232 mm) Width 3.5 in. (89 mm) Height 8.0 in. (203 mm) Weight 6.5 lbs. (2.95 kg) Display Type Liquid Crystal Display (LCD) with backlight Size 20 x 4 Character 8 x 5 Pixels per Character...

  • Page 27: Operating Environment

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5.6 Operating Environment Ambient Temperature and Relative Humidity MVE cryogenic freezers are designed to be operated in environments near room temperature (65°F – 80°F, 18°C – 27°C) and relative humidity below 50%. Due to the large gradient between LN2 and ambient temperatures, an additional change of a few degrees will not have a significant impact on the freezer performance.

  • Page 28: Installation And Startup

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 6. Installation and Startup This section will review the basic receiving, installation, and startup procedures for MVE Freezers. These instructions can also be applied to set up the CryoSystem 6000 Full Auto. Always inspect the bill of lading for accuracy and external crate/packaging for damage before accepting the shipment.
  • Page 29 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Installation NOTE: Do not apply power to the TEC 3000 controller or connect an LN2 supply until later in this procedure to avoid injury or damaging the equipment. Following the careful uncrating and unpacking of the freezer, install using these basic instructions. Cabinet Series freezers will be shipped with some of the connections described below already installed.
  • Page 30 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual • Connect the clear vinyl tubing to the TEC 3000 Level Input hose barb and connect the other end of the tubing to the 3-way purge valve. • Ensure all of the plumbing assembly connections to the TEC 3000 wire harness are secure. NOTE: Do not connect the battery backup (if equipped) to the wire harness until later in the installation procedure.
  • Page 31 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual • Remove a caplug from the fill tee on the plumbing assembly in order to connect the LN2 supply. If using an LN2 cylinder as the liquid supply, securely connect and tighten the transfer hose to both the fill tee connection and the supply connection labeled “LIQUID”.

  • Page 32: Operation

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7. Operation This section of the manual will detail the functions and features of the TEC 3000 and demonstrate how to access and adjust the various user settings and options. All MVE Freezers utilize LN2 as the means of refrigeration.

  • Page 33: Functions And Features

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.1. Functions and Features The TEC 3000 utilizes a variety of functions and features that enables it to closely monitor and control the environment inside a cryogenic freezer. This section will give an overview of the following features and their functionality: •...

  • Page 34: Liquid Nitrogen Level Measurement

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.1.1. Liquid Nitrogen Level Measurement The LN2 level in the Dewar is determined through the use of a differential pressure sensor. This sensor operates on the physical principle of hydrostatic head pressure. The pressure generated by a column of fluid is proportional to the height, or depth, of the fluid column.

  • Page 35: Automatic Liquid Nitrogen Level Control

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.1.2. Automatic Liquid Nitrogen Level Control The TEC 3000 is equipped with a fully automated LN2 level control system. This level control system is based on user-defined parameters that can be adjusted to maintain a LN2 level in a freezer over a range of 3.0 inches (76 mm) up to 48.0 inches (1219 mm).

  • Page 36: Liquid Nitrogen Usage

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.1.3. Liquid Nitrogen Usage The TEC 3000 controller is able to calculate and display an estimated rate of LN2 evaporation inside a freezer. This liquid usage is displayed in inches or millimeters per day. It takes time for the real-time data to accumulate in order for the liquid usage rate to be calculated.

  • Page 37: Temperature Measurement

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.1.4. Temperature Measurement The TEC 3000 is equipped with two independent temperature measurement channels. They are designed to be used with 1000 ohm platinum RTD temperature probes, also referred to as Pt-1000 RTDs.

  • Page 38: User Defined Alarms

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.1.5. User Defined Alarms The TEC 3000 employs 18 different audible/visual alarms. These alarms are designed to alert the user to possible problems with the freezer temperature, LN2 level, controller power, and LN2 supply.
  • Page 39 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Lid Open Freezer lid has been open longer than Lid Open Alarm Time setting Communication Loss TEC 3000 controller has lost communication with the LCD display *Stuck Valve Alarms When the freezer is supposed to be filling, if the controller does not see an appropriate decrease in temperature, within the delay time entered in the menu, a stuck closed valve alarm will be initiated.

  • Page 40: Remote Alarm Monitoring

    Although Chart MVE does not provide remote monitoring or programmable logic controller (PLC) systems, these devices can be easily connected to the TEC 3000. For example, it is possible to setup a TEC 3000 so that if a Low Level Alarm is triggered, the remote monitoring system will automatically send an email or place a call to alert the necessary individuals of the freezer’s...

  • Page 41: Passwords / Security

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.1.7. Passwords / Security The TEC 3000 has a multilevel security system that can be customized to meet your security needs. Four different levels of security can be assigned up to 10 passwords allowing users to control who has the ability to change specific settings as well as to what extent these settings may be altered.

  • Page 42: Communication / Networking Capabilities

    MODBUS – The TEC 3000 has RS-485 MODBUS communication capabilities. This will not be extensively covered in this manual. Please contact your MVE Distributor or Chart MVE Technical Service for more information. • One Fill All Fill (OFAF) – A group of TEC 3000s can be networked in order to coordinate fill cycles and reduce LN2 transfer losses.

  • Page 43: Event Log And Event Codes

    Parameter changes will be logged as a string such as “Parameter number 126 changed from 60 to 180.” Contact your MVE Distributor or Chart MVE Technical Service for information regarding these parameter changes.
  • Page 44 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Table 4: TEC 3000 Event Log Codes Event Code Description Alarm Mute Temp A High Alarm Temp A Low Alarm Running on battery power Temp B High Alarm Temp B Low Alarm Bypass Sensor Open Low Battery Voltage Alarm Hot Gas Bypassing...

  • Page 45: Lid Switch

    UL lid switch configuration. It is available for users to easily adapt their UL lid switch configuration to a fog clear lid switch configuration and acquire these features. Contact your MVE Distributor or Chart MVE Technical Service for instructions.

  • Page 46: Hot Gas Bypass

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.1.11. Hot Gas Bypass The Hot Gas Bypass is a feature on HE/MVE/HEco freezer series equipped with a TEC 3000. The Hot Gas Bypass is able to vent the warm nitrogen gas from the supply line before initiating a fill cycle.

  • Page 47: Battery Backup (Optional)

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.1.12. Battery Backup (Optional) The Battery Backup is an optional feature on all domestic HE/MVE/HEco freezers equipped with a TEC 3000 and comes standard on all MDD freezers. The TEC 3000 is able to run seamlessly on power from this external battery system when the primary power source is interrupted.

  • Page 48: Adjusting Settings And Options

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2. Adjusting Settings and Options Password Entry This section describes how to access the TEC 3000 menus and adjust the various settings and options. With password entry enabled, the controller will prompt for a password anytime a user attempts to access the setup menus.

  • Page 49: Temperature Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.1. Temperature Settings This section describes how to access and adjust the various temperature settings on the TEC 3000. NOTE: Security Level 2 or higher is required to adjust the Temperature Settings. 7.2.1.1.

  • Page 50: High Temperature Alarm Test

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.1.2. High Temperature Alarm Test The high temperature alarm test allows a user to simulate a high temperature alarm without having to remove it from the freezer. Once initiated, the TEC 3000 will apply a small voltage to the sensor, which causes the sensor to heat up.

  • Page 51: Temperature Alarm Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.1.3. Temperature Alarm Settings This section describes how to navigate and adjust the temperature alarm settings. The high temperature alarm is used to alert the user when the temperature in the freezer space has risen above the set threshold.
  • Page 52 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7. Press “SETUP” Temp A High Alarm The display will read “Temp A High Alarm”. ENABLED Use the “▲/▼” keys to adjust setting and press Use ▲▼ to adjust “ENTER” to save the change. Press ENTER to save 8.

  • Page 53: Liquid Nitrogen Saturation Temperature

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.1.4. Liquid Nitrogen Saturation Temperature This section shows how to adjust the LN2 saturation temperature. This temperature is altitude dependent. The default LN2 saturation temperature is -195.8°C (-320.4°F, 77.4 K). This value is accurate for altitudes ranging form sea level to 500 feet (152 m). For the appropriate saturation temperature, refer to Table 5: LN2 Saturation Temperatures.

  • Page 54: Liquid Level Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.2. Liquid Level Settings This section demonstrates how to adjust the LN2 level settings. 7.2.2.1. Level Setpoints and Alarms The auto fill settings can be adjusted in the Liquid Level Menus. With auto fill enabled, the TEC 3000 will initiate an auto fill when the level is at or below the Low Level Setpoint and terminate a fill when the level reaches the High Level Setpoint.

  • Page 55: Enable / Disable Auto Fill Control

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.2.2. Enable / Disable Auto Fill Control Auto Fill Control can be enabled or disabled in the Advanced Level Menus. NOTE: Security Level 3 or higher is required to enable/disable Auto Fill. 1.

  • Page 56: Level Offset

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.2.3. Level Offset Since the annular line that carries the pressure level signal to the TEC 3000 is not located at the very bottom of the LN2 column, a Level Offset is needed. This value is determined and set at the factory and should not be adjusted to fix an inaccurate level reading unless setting up a freezer (see the First Fill Startup Procedure) or if instructed to do so by an authorized MVE Distributor or Technical Service.

  • Page 57: Additional Feature Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.3. Additional Feature Settings This section details how to view and adjust the settings for the optional Battery Backup, Power Failure Alarm, Hot Gas Bypass, and Lid Switch. NOTE: Security Level 2 or higher is required to adjust the Hot Gas Bypass and Lid Switch settings.

  • Page 58: Hot Gas Bypass Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.3.2. Hot Gas Bypass Settings 1. Press “SETUP” Higher User Level Controller will prompt for a password. A flashing cursor Required use ▲▼ to on the entry screen will make it clear which digit is being ENTER Password changed.

  • Page 59: Stuck Valve Alarms

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 12. Press “SETUP” Stuck Closed Delay The display will read “Stuck Closed Delay”. Use the 1 min “▲/▼” keys to adjust the value, 1min to 90min and Use ▲▼ to adjust press “ENTER”...

  • Page 60: Lid Switch Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.3.3. Lid Switch Settings 1. Press “SETUP” Higher User Level Controller will prompt for a password. A flashing cursor Required use ▲▼ to on the entry screen will make it clear which digit is being ENTER Password changed.

  • Page 61: Display And Output Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.4. Display and Output Settings This section demonstrates how to adjust the Display and Output Settings. 7.2.4.1. Temp and Level Display Units NOTE: Security Level 1 or higher is required to change the display units. 1.

  • Page 62: Liquid Usage Display

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.4.2. Liquid Usage Display NOTE: Security Level 1 or higher is required to enable/disable the liquid usage display. 1. Press “SETUP” Higher User Level Controller will prompt for a password. A flashing cursor Required use ▲▼...

  • Page 63: Alarm Buzzer

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.4.3. Alarm Buzzer The audible alarm buzzer can be disabled. This will not disable the alarms, only the audible buzzer. Alarms will still be displayed visually on the screen if the alarm buzzer is inactive.

  • Page 64: Languages

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.4.4. Languages The TEC 3000 has five language options to choose from: English, Spanish, German, Italian, and French. NOTE: Security Level 2 or higher is required to change the language setting. 1.

  • Page 65: Printer

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.4.5. Printer This section describes how to adjust the Printer settings. For instructions on how to connect a printer, see the Communication / Networking section. NOTE: Security Level 2 or higher is required to adjust the Printer settings. 1.

  • Page 66: Advanced Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.5. Advanced Settings This section describes how to change the various Advanced Settings. 7.2.5.1. Timed Filling The TEC 3000 has several advanced filling options including Timed Filling. Timed Filling allows the user to set a regular filling schedule based on a fill start time and a fill frequency.
  • Page 67 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 5. Press “ENTER” Timed Fill The display will read “Timed Fill”. Use the “▲/▼” keys to DISABLED adjust and press “ENTER” to save. Use ▲▼ to adjust Press ENTER to save 6.

  • Page 68: Maximum Fill Time

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.5.2. Maximum Fill Time The maximum fill time can be adjusted in the Advanced Fill Menus. If a freezer begins filling but does not reach its High Level Setpoint within the maximum fill time, then the TEC 3000 will terminate the fill and trigger a Fill Time Alarm.

  • Page 69: Time And Date

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.5.3. Time and Date The time and date can be set in the Advanced Settings Menus. The user has the option of a 12 or 24 hour clock and a MM/DD/YY or DD/MM/YY date format. NOTE: Security Level 2 or higher is required to change the time and date.
  • Page 70 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 12. Press “SETUP” Date Format The display will read “Date Format”. Use the “▲/▼” keys MM/DD/YY to adjust and press “ENTER” to save. Use ▲▼ to adjust Press ENTER to save 13289499 Rev H •...

  • Page 71: Communication Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.5.3.1. Communication Settings 7.2.5.3.2. COM Setup / Type The settings for the two serial ports can be adjusted in the COM 1 and COM 2 Setup Menus. Since they are independent serial ports, only one serial port can be set to a given COM Type.

  • Page 72: Modbus Id

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.5.3.3. MODBUS ID The TEC 3000 MODBUS ID also serves as the ASCII Unit ID. This address can be adjusted in the MODBUS Menu and has a range of 1 to 200. NOTE: Security Level 2 or higher is required to change the MODBUS ID.

  • Page 73: One Fill All Fill (Ofaf)

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.5.4. One Fill All Fill (OFAF) This section describes how to adjust the various OFAF settings. For more information and instructions on how to setup an OFAF network, refer to the OFAF Network Setup section of this manual.

  • Page 74: Restore Default Settings

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.5.5. Restore Default Settings (Global Password) The TEC 3000 can be reset to the factory defaults in the Advanced Settings Menu. This will also reset post-factory calibrations and global password to 3 4 5 6. The accuracy of the level and temperature measurements should be confirmed after resetting.

  • Page 75: Global Password

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual TEC3000 Default Settings Parameter Default Setting High Temp Alarm -110.0 °C / -166.0 °F / 163.2 K Low Temp Alarm -200.0 °C / -327.6 °F / 73.4 K High Level Alarm 8.0 in / 205 mm High Level Setpoint 7.0 in / 180 mm...

  • Page 76: Restart Controller

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.5.6. Restart Controller The TEC 3000 can be restarted in the Advanced Settings Menu. Restarting the controller and cycling the power are both safe ways to reboot the controller. NOTE: Security Level 3 or higher is required to restart the controller from the Advanced Settings Menu 1.

  • Page 77: Firmware Update

    Improper firmware updates can render the controller inoperable. The firmware, or controller software, can be updated in the event that a new revision is released. A personal computer, Chart/MVE TEC COM USB communications kit (PN 13376947), and the current firmware updater program are required to perform an upgrade.

  • Page 78: Firmware Update

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual NOTE: Security Level 3 or higher is required to update the firmware. 1. Press “SETUP” Higher User Level Controller will prompt for a password. A flashing cursor Required use ▲▼ to on the entry screen will make it clear which digit is being ENTER Password changed.

  • Page 79: Password / Security Setup

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.6. Password / Security Setup This section details how to enable / disable password entry mode as well as how to change and setup multilevel security passwords. NOTE: Security Level 4 is required to setup or change passwords. 7.2.6.1.

  • Page 80: Global Password Change

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.6.2. Global Password Change This section describes how to change the Global Password 3 4 5 6. The Global Password has Security Level 4 clearance. 1. Press “SETUP” Higher User Level Controller will prompt for a password.

  • Page 81: Multilevel Passwords

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.2.6.3. Multilevel Passwords This section describes how to setup and change the 9 multilevel passwords. 1. Press “SETUP” Higher User Level Controller will prompt for a password. A flashing cursor Required use ▲▼...

  • Page 82: Calibration Procedures

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.3. Calibration Procedures 7.3.1. Temperature Sensor Calibration This section describes how to calibrate the TEC 3000 temperature sensors. There are two calibration procedures: single point and two point calibration. For single point calibration, the reference point is LN2. For two point calibration, the reference points are LN2 and ice water.

  • Page 83: Single Point Calibration

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.3.1.1. Single Point Calibration The single point calibration procedure requires a small volume of LN2; enough to completely submerge the end of the temperature sensor. It may be possible to use the LN2 in the freezer space if the probe length permits.

  • Page 84: Two Point Calibration

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.3.1.2. Two Point Calibration The two point calibration procedure requires a small volume of LN2 and an ice water bath; enough to completely submerge the end of the sensor. Proper ice water bath preparation is imperative to ensure accuracy.
  • Page 85 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 11. Wait 180 seconds Place Probe A in After the controller counts down, the display will read ice water and press “Place Probe A in ice water”. Completely submerge the ENTER sensing end of the probe in the ice water bath.

  • Page 86: Liquid Nitrogen Level Calibration

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.3.2. Liquid Nitrogen Level Calibration This section describes the procedure to calibrate the LN2 level. This procedure requires the cryogenic meter dip stick supplied with each MVE freezer. This calibration method provides level measurements with a ±0.5”...
  • Page 87 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Level dip stick inserted to measure the physical liquid nitrogen level 13289499 Rev H •...
  • Page 88 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Liquid Level Calibration NOTE: Liquid level calibration cannot be performed while the TEC 3000 is filling. If TEC 3000 is filling, press “Stop Fill” and perform the calibration. Allow freezer plumbing to thaw 10 to 15 minutes before calibrating. NOTE: Liquid level calibration is most accurate when calibrated at 10.0 inches (254 mm).
  • Page 89 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 10. Press “ENTER” Level Calibration The display will read “Level Calibration Complete”. Complete 11) Verify that the home screen reads the liquid level value that was just entered. In some cases the controller should be restarted.
  • Page 90 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.3.3. Hot Gas Bypass Sensor Calibration This section describes how to calibrate the TEC 3000 hot gas bypass sensor. There are two calibration procedures: single point and two point calibration. For single point calibration, the reference point is LN2.

  • Page 91: Hot Gas Single Point Calibration

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.3.3.1. Hot Gas Sensor Single Point Calibration 1. Press “SETUP” Higher User Level Controller will prompt for a password. A flashing cursor Required use ▲▼ to will make it clear which digit is being changed. Use the ENTER Password “▲/▼”...

  • Page 92: Hot Gas Two Point Calibration

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.3.3.2. Hot Gas Sensor Two Point Calibration 1. Press “SETUP” Higher User Level Required use ▲▼ to Controller will prompt for a password. A flashing cursor ENTER Password will make it clear which digit is being changed. Use the 0000 “▲/▼”...

  • Page 93: Communication / Networking

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.4. Communication / Networking The TEC 3000 is equipped with two independent RJ-45 serial ports. These ports are intended for connection to another MVE controller, PC, serial printer, or other RS-485 device. Up to 100 TEC 3000 controllers can be successfully networked.

  • Page 94: Tec Connect (Computer Interface)

    TEC Connect is a free, downloadable software program that enables a user to download the event log and query and adjust controller parameters. This easy-to-use computer interface is fully compatible with TEC 2000, TEC 3000, and Chart TS controllers. Features include a user- friendly ASCII command window, real-time temperature and level monitoring, event log download button, fill control buttons, and a quick parameter setup table.
  • Page 95 3. Select a unique MODBUS ID (Unit ID) for each controller involved TEC Connect Settings 1. Connect Chart TS serial port to PC with MVE TEC COM USB Kit. 2. Open TEC Connect 3. The TEC Connect program Determine the Windows COM Port. This can be accomplished by navigating to the device manager and locating the COM port labeled “RS-485 Isolated Port”...
  • Page 96 10. Once the chart has been created, select a secondary axis for the LN2 Level and LN2 Usage data sets 11. Format the chart and adjust the axis scales so that the data is easy to view and analyze. Figure 15: Properly formatted event log for plotting...
  • Page 97 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual ASCII Command Interface American Standard Code for Information Interchange (ASCII) commands can be used to query and adjust all TEC 3000 settings and parameters. Commands must be entered in all capital letters just as they appear in the below tables.

  • Page 98: Ofaf Network Setup

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.4.2. OFAF Network Setup OFAF networking allows multiple controllers to be linked together such that all of the freezers will fill whenever any networked controller calls for a fill. When multiple freezers are connected to a common supply source, it is advantageous to fill all freezers at the same time.
  • Page 99 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Network Setup Figure 17: Diagram showing a typical OFAF network setup Table 7: Required items for OFAF network Description Quantity needed 11358251 OFAF Master Cable 10740053 Standard CAT 5e Cable # of controllers - 2 10856312 RJ-45 Splitter...
  • Page 100 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Cable Wiring OFAF Master Cable Figure 18: OFAF Master Cable wiring configuration. Numbering as viewed from side of RJ-45 connector opposite latch. Standard Cable Figure 19: Standard reverse RJ-45 network cable configuration. Numbering as viewed from side of connector opposite latch.

  • Page 101: Printer Setup

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.4.3. Printer Setup The TEC 3000 compatible printer kit allows users to print a hard copy of the freezer’s status at a set interval and as events occur. The TEC 3000 will print the current status of the freezer in the event log format.

  • Page 102: Remote Alarm Tests

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 7.5. Remote Alarm Tests 7.5.1. Global Remote The Global Remote contacts can be checked for continuity using a digital multimeter or ohm meter. • Normal State (No Alarms) There should be continuity between the COM and NC terminals The COM –...

  • Page 103: Tec 3000 Menu Maps

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8. TEC 3000 Menu Maps 8.1. Main Setup Menus 13289499 Rev H •...

  • Page 104: Temperature Setting Menus

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.2. Temperature Setting Menus 13289499 Rev H •...

  • Page 105: Temperature Calibration Menus

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.3. Temperature Calibration Menus 13289499 Rev H •...

  • Page 106: Add On Menus

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.4. Add On Menus 13289499 Rev H •...

  • Page 107: Hot Gas Bypass Sensor Calibration Menus

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.5. Hot Gas Bypass Sensor Calibration Menus 13289499 Rev H •...

  • Page 108: Display And Output Menus

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.6. Display and Output Menus 13289499 Rev H •...

  • Page 109: Liquid Level Menus

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.7. Liquid Level Menus 13289499 Rev H •...

  • Page 110: Liquid Level Calibration Menus

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.8. Liquid Level Calibration Menus 13289499 Rev H •...

  • Page 111: Advanced Settings Menus

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.9. Advanced Settings Menus 13289499 Rev H •...

  • Page 112: Password Menus

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.10. Password Menus 13289499 Rev H •...

  • Page 113: Tec 3000 Display Screens

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 8.11. TEC 3000 Display Screens 13289499 Rev H •...

  • Page 114: Preventative Maintenance

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 9. Preventative Maintenance 9.1. Preventative Maintenance Schedule This section describes the preventative maintenance that should be performed on MVE freezers to ensure optimum operation and performance, as well as maximum service life. As with any technical piece of laboratory equipment, preventative maintenance is key to equipment success.

  • Page 115: Preventative Maintenance Procedures

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 9.2. Preventative Maintenance Procedures Level Verification The differential pressure measurement system used on MVE freezers is nearly maintenance free. It provides a high level of accuracy and resolution to give the operator a precise indication of the exact amount of LN2 present in the freezer at all times.

  • Page 116: Plumbing Leak Check

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Plumbing Leak Check Leaky plumbing connections can create a host of problems including but not limited to: • Slow fill times • Nuisance Alarms • High LN2 Consumption • Inaccurate level readings •...

  • Page 117: Level Alarm Test

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Level Alarm Test The TEC 3000 control system can trigger a high level or low level alarm if the LN2 level in the freezer exceeds the user defined parameters. High Level Alarm Test: 1.

  • Page 118: Folding Step Inspection

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Lid Thaw Procedure 1. Open or remove lid from freezer. Depending on the freezer model, it may be necessary to remove the lid from the hinges for it to completely warm to room temperature. 2.

  • Page 119: Complete Function Test

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual assembly using Teflon tape if needed. Ensure the filter is oriented correctly. 4. Reconnect the LN2 transfer hose, open the LN2 supply valve and check fittings for any leaks. Complete Function Test MVE recommends that freezers with TEC 3000 controllers undergo a complete function test every 12 months to ensure correct functionality and identify potential problems before symptoms develop.
  • Page 120 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 2. Remove coil retaining clip by inserting a flathead screwdriver between the clip and the edge of the coil body. Twist the screwdriver, and the clip should slide off 3. Remove and discard the coil assembly 4.

  • Page 121: Relief Valve Replacement

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Purge Valve Replacement CAUTION: Ensure that the LN2 supply valve is closed and the plumbing assembly is vented before removing the solenoid valves. 1. Remove plumbing shroud (on HE and HEco series) or rear access panel (on MVE series) to gain access to plumbing system.

  • Page 122: Lid Gasket Replacement

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Lid Gasket Replacement The lid gasket configuration and material will vary depending on the freezer model and vintage. For the correct part numbers, contact Customer/Technical Service with the freezer serial number. There are three main types of lid gaskets and the replacement instructions for each are given below.
  • Page 123 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual MVE and MVE Stock Series – Riveted gasket 1. Note how the current gasket is attached to the lid. The replacement gasket will be installed the same manner. 2. If applicable, remove lid from hinges. a.
  • Page 124 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual MVE Cabinet Series 1. Remove lid from freezer hinges. a. Place the lid in the closed position. b. Remove spring pressure from the hinge by loosening the ½ inch nut on the rod inside the hinge body.

  • Page 125: Complete Freezer Thaw And Moisture Removal

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Complete Freezer Thaw and Moisture Removal 1. Remove freezer LN2 supply. 2. Unplug TEC 3000 main power and battery backup if equipped. 3. Open or remove lid from freezer. 4. Allow LN2 to completely evaporate and the freezer space to warm to room temperature. Placing a fan blowing into the freezer will accelerate this process.

  • Page 126: Preventative Maintenance Procedures

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Battery Backup Replacement and Installation General The freezer backup batteries (BB) can be replaced every five years or if the BB voltage has dropped below 21 VDC. The TEC3000 will start to lose functionality when the BB is below 18 VDC. To test any suspect BB, disconnect the AC power and allow freezer to run for 30 minutes;...
  • Page 127 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 3. Remove the four Phillips screws holding the backing plate. 4. Cut the plastic zip ties and remove the batteries noting the wire connection. Batteries are connected in series, - to + as shown in the below diagram. Negative Terminal cables are routed as shown: 5.
  • Page 128 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Part Number: 11864171 includes the following in Table 1. Please reference Figure 1. Reference Table 1 and 2, and Figure 1 and 2 for installation instructions if purchasing a new Backup Battery Assembly.
  • Page 129 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Figure 1 - Internal View of Battery Backup Part Number: 12885791 (Pictured Below) includes everything in Table 1 plus the following in Table 2. Table 2 ITEM # PART NUMBER DESCRIPTION QTY U/M 14122236 BRACKET STAND ALONE...
  • Page 130 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Figure 2 – External View of Battery Backup Figure 3 - Bracket (Part Number: 14122236) Specifications INSTALLATION INSTRUCTIONS - Variō Series, Stock Series, and High Efficiency Series Installing the Bracket for the Battery Backup – Follow these instructions for the Variō Series, Stock Series, and High Efficiency Series.
  • Page 131 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 12885791. If PN: 11864171 was ordered, it will not come with a bracket. Please skip to Section 2 for Battery Backup Installation Instructions. 1.1. Disconnect main power cord. 1.2. Disconnect LN2 supply. 1.3.
  • Page 132 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 2.1 Disconnect main power cord. 2.2 Disconnect LN2 supply. 2.3 Before installing the battery backup on the freezer, measure the voltage at the end connector for approximately 24VDC to 27VDC. Please reference Figure 6. 2.3.1 If no voltage is present, the included fuse must be installed before connecting the battery to the main wire harness.
  • Page 133 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Figure 8 - Battery Backup Connector. [Black – From the Battery Backup. Dark Blue/Orange – From the TEC 3000 Wiring Harness] 2.8 Please reference the TEC 3000 Technical Manual in the Additional Feature Settings Section to view and adjust the TEC 3000 settings and to enable the battery backup feature.
  • Page 134 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Figure 10 - Phillips Head Screws to Remove Note: This picture is for reference only. This is the 1800 Series Freezer. 3.1.1.2. Locate the mounting location for installing the battery backup. It will mount to the studs in Figure 11 below.
  • Page 135 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 3.2.1.1. Open the workstation platform where the controller panel is located by loosening the two Phillips head screws. This is the panel on the right when facing front of the freezer. Reference Figure 12.
  • Page 136 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Figure 14 - Back Control Panel 3.2.1.3. Find the mounting location to install the battery backup. It will mount to the studs in Figure 15 below. This is on the side of the Plumbing Stack Cover. Figure 15 - Location to mount the battery backup 3.2.1.4.
  • Page 137 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Figure 16 – Screw Location for the HEco 1800 Series Figure 17 - Phillips Head Screws to Remove 3.3.1.2. Locate the mounting location for installing the battery backup. It will mount to the studs in Figure 18 below.
  • Page 138 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Figure 18 - Mounting Location for the HEco 1800 Series 3.3.1.3. Remove nuts from studs. 3.3.1.4. Place the battery backup on the bolts with the washers between the battery backup and the platform.

  • Page 139: Heco Tec3000 (Back And Front Panel) Replacement

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 9.3. HEco TEC3000 (Back and Front Panel) Replacement Back Panel 1. Disconnect the AC power cord from the back panel. 2. Open the working platform. 3. Disconnect the wiring harness from the plumbing connection interface. 4.

  • Page 140: Replacement Parts And Accessories

    11499812 Gas Bypass Muffler 11885449 Gas Bypass Muffler Deflector Temperature Probe – All Chart Freezer Series (65") 20570663 HE Series 3-Tube Temperature Sensor Assembly – 26 inch (660 mm) 14248744 HE Series 3-Tube Temperature Sensor Assembly – 39 inch (990 mm) 14248816 HE Series 3-Tube Temperature Sensor Assembly –...
  • Page 141 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Accessories Part Number Description 20561020 MVE LN2 Level Dip Stick, 47" TEC COM USB Kit – TEC 2000/3000 – PC interface kit 13376947 Daisy Chain Kit – Network TEC 2000/3000s – One network cable and splitter 10856321 10740053 RJ-45 Network Cable...

  • Page 142: Troubleshooting Quick Reference

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 10. Troubleshooting Quick Reference Symptom Possible Causes Fixes Instructions Equipment Usage Improperly connected LN2 supply Verify LN2 connections Page 7 Inadequate LN2 supply volume or Verify Adequate LN2 Supply Verify adequate supply pressure Page 115 Verify fill solenoid...
  • Page 143 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual See "Incorrect LN2 level Inaccurate level readings readings" above. Increase lid gasket vent. Lid Gasket Replacement Insufficient freezer venting Replace gasket/lid if Page 121 necessary Short cycle fills Purge level sensing annular line and clear any Complete Freezer Thaw and debris in the bottom of...

  • Page 144: En Compliance Tables

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 11. EN Compliance Tables Table 1: Guidance and manufacturer’s declaration – electromagnetic emissions for all TEC 3000s (See 5.2.2.1 C). Guidance and Manufacturer’s Declaration - Electromagnetic Emissions The TEC 3000 is intended for use in the electromagnetic environment specified below. The customer or the user of the TEC 3000 should assure that it is used in such an environment.
  • Page 145 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Table 2: Guidance and manufacturer’s declaration – electromagnetic immunity – for all TEC 3000s (See 5.2.2.1 F) Guidance and Manufacturer’s Declaration – Electromagnetic Immunity The TEC 3000 is intended for use in the electromagnetic environment specified below. The customer or the user of the TEC 3000 should assure that it is used in such an environment.
  • Page 146 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Table 4: Guidance and manufacturer’s declaration – electromagnetic immunity – for all TEC 3000s (See 5.2.2.2) Guidance and Manufacturer’s Declaration – Electromagnetic Immunity The TEC 3000 is intended for use in the electromagnetic environment specified below. The customer or the user of the TEC 3000 should assure that it is used in such an environment.
  • Page 147 Local or national environmental laws and regulations may prohibit disposal of electrical and/or electronic equipment such as the TEC3000 controller. Contact the local city or town offices for instructions on proper disposal of electrical or electronic equipment. Alternately, CHART MVE may be contacted for disposal information.

  • Page 148: Appendix

    MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual 12. Appendix 12.1. Reference Tables Table 9: Temperature vs. Resistance Output (ohms) for Pt-1000 Temperature Sensors Temp°C -200 185.201 -190 228.255 223.965 219.672 215.376 211.076 206.772 202.465 198.154 193.840 189.522 -180 270.964 266.708...
  • Page 149 13.0 MVE 1839 20.0 MVE 808 10.3 MVE 816P-2T-190 10.1 MVE 1318 20.2 MVE 1842P-150 40.8 MVE 1877P-2T-150 40.8 MVE 815P-150 10.1 MVE 815P-190 10.1 MVE 818P-190 10.1 MVE 819P-190 10.1 MVE 1536P-150 19.3 MVE 1536P-190 19.3 MVE 1539P-190 19.3 MVE 1879P-150 40.8...
  • Page 150 American Standard Code for Information Interchange (ASCII) is a standard code used in data transmission, in which 128 numerals, letters, symbols, and special control codes are represented by a 7-bit binary number. Below is a chart for these binary codes. 13289499 Rev H •...
  • Page 151 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual TEC 3000 ASCII Command List Control Commands *IDN? Identification Query Input: *IDN? Returned: MVE TEC 3000, Software ver. X.XX Comments: Used to query the controller ID. Command must include “*” preface.
  • Page 152 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual HITSTB Temp B High Alarm Test Input: HITSTB Returned: No response Comments: Used to initiate the High Temp B Alarm Test. See the High Temperature Alarm Test section for more information. INITEE Restore All Defaults Input: INITEE...
  • Page 153 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual HITB Set Temp B High Alarm Input: HITB ±XXX.X Returned: No response Comments: Used to set the Temp B High Alarm value. HITB? Temp B High Alarm Query Input: HITB? Returned: ±XXX.X Comments: Used to query the current Temp B High Alarm value HITBS?
  • Page 154 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual LOTB Set Temp B Low Alarm Input: LOTB ±XXX.X Returned: No response Comments: Used to set the Temp B Low Alarm value. LOTB? Temp B Low Alarm Query Input: LOTB? Returned: ±XXX.X Comments: Used to query the Temp B Low Alarm value.
  • Page 155 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Level Commands BPFIL? Bypass Status Query Input: BPFIL? Returned: 0 or 1 Comments: Used to query the current hot gas bypass status where 0 = not bypassing and 1 = bypassing. FILAS? Fill Time Alarm Status Query Input: FILAS?
  • Page 156 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual HFIL? High Level Setpoint Query Input: HFIL? Returned: XXX.X Comments: Used to query the High Level Setpoint. Value returned in either inches or millimeters depending on the current level units. There must be at least a 0.5 inch interval between each level setting and alarm.
  • Page 157 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual LFIL? Low Level Setpoint Query Input: LFIL? Returned: XXX.X Comments: Used to query the Low Level Setpoint. Value returned in either inches or millimeters depending on the current level units. There must be at least a 0.5 inch interval between each level setting and alarm.
  • Page 158 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Level Percent Commands DSPN Define 100% Point Input: DSPN XXX.X Returned: No response Comments: Used to set the 100% level setting in inches or millimeters. DSPN? 100% Point Query Input: DSPN? Returned: XXX.X Comments: Used to query the 100% level setting.
  • Page 159 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual EVNLOG? Event Log Record Query Input: EVNLOG? N Returned: XXXXX, MM/DD/YY, HH:MM, XXX.X, XXX.X, XXX.X, XXX.X Comments: Used to query Event Record [n] where n = record number. String returned: Date, Time, TempA, Temp B, LN2 Level, Liquid Usage, Event Codes. LOGPER Set Event Log Interval Input: LOGPER XXX...
  • Page 160 MVE Biological Systems TEC 3000 Operating and Maintenance Freezer Manual Sanitizing and Decontaminating Chart Aluminum and Stainless Steel Products MVE aluminum dewars are constructed with an aluminum inner, which utilizes a fiberglass neck support. The stainless units are constructed with an inner entirely fabricated from stainless steel sheets. Any cleaning solution that does not react with aluminum or stainless can be used in the sanitation process of these dewars.
  • Page 161 Notes: Chart Inc. reserves the right to discontinue its products, or change the prices, materials, equipment, quality, descriptions, specifications and/or processes to its products at any time without prior notice and with no further obligation or consequence. All rights not expressly stated herein are reserved by us, as applicable.

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