ThermoForma 370 Series Operating And Maintenance Manual
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ThermoForma 370 Series Operating And Maintenance Manual

Steri-cycle incubator
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Models:
370/371 and 380/381
Steri-Cycle Incubator
Direct Heat with Sterilization Cycle
Operating and Maintenance Manual
Manual No: 7000370 Rev. 2

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Summary of Contents for ThermoForma 370 Series

  • Page 1 Models: 370/371 and 380/381 Steri-Cycle Incubator Direct Heat with Sterilization Cycle Operating and Maintenance Manual Manual No: 7000370 Rev. 2...
  • Page 2 Model 370 and 380 Series _______________________________________________________________________________ Model Sensor* Voltage** Read This Instruction Manual. Failure to read, understand and follow the instructions in this manual may result in damage to the unit, injury to operat- ing personnel, and poor equipment performance. *T/C is a thermal conductivity sensor.
  • Page 3 Model 370 and 380 Series _________________________________________________________________________Warnings Important operating and/or maintenance instructions. Read the accompanying text carefully. Potential electrical hazards. Only qualified persons should perform procedures associated with this symbol. Hot surface(s) present which may cause burns to unprotected skin or to materials which may be damaged by elevated temperatures √...
  • Page 4 Model 370 and 380 Series ___________________________________________________________________________Service...

  • Page 5: Table Of Contents

    Model 370 and 380 Series __________________________________________________________________Table of Contents Table of Contents Section 4 - Alarms ......4 - 1 Section 1 - Installation and Start-up .

  • Page 6: Section 1 - Installation And Start-Up

    8. Heat Indicator - Lights when power is applied to the Figure 1-1 heaters. Model 370 Series Incubator 9. Temp Display - Program to display temperature continu- • Outer Door - Reversible to opposite swing, see Section 5.5 ously, RH continuously (with RH option), or toggle between temperature and humidity (with RH option).

  • Page 7: Operation Of The Keypad

    1.3 Operation of the Keypad that has been selected in the SET, CAL, and CONFIG Modes. The Model 370 Series incubator has four Enter: Must press Enter key to save to memory all basic modes which allow incubator setup: Run, changed values.

  • Page 8: Stacking The Incubators

    Model 370 and 380 Series ____________________________________________________________Installation and Start-Up b. Stacking the Incubators 5. Insert the stacking brackets into the slots at the back of the stacked units as shown in Figure 1-7. With incubators in a stacked configuration, do not leave both exterior doors open at the same time.

  • Page 9: Preliminary Cleaning And Disinfecting

    Model 370 and 380 Series ____________________________________________________________Installation and Start-Up c. Preliminary Cleaning and Disinfecting 4. Figure 1-12 shows one of the channels installed on the right 1. Using a suitable laboratory disinfectant, disinfect all side duct. interior surfaces. d. Installing the Shelves Figure 1-12 1.

  • Page 10: Installing The Air Sample Filter

    Model 370 and 380 Series ____________________________________________________________Installation and Start-Up g. Installing the Air Sample Filter j. Filling the Humidity Pan 1. Remove the filter from the shipping bag. Fill the humidity pan with sterile distilled water to within 2. Install the air sample filter assembly to the black hose 1/2”...

  • Page 11: Connecting The Co Gas Supply

    Model 370 and 380 Series ____________________________________________________________Installation and Start-Up The CO gas supply being connected should be industrial k. Connecting the CO Gas Supply grade 99.5% pure and should not contain siphon tubes. Install a two-stage pressure regulator at the cylinder outlet. The high pressure gauge at the tank should have 0-2000 psig range.

  • Page 12: Setting The Co Setpoint

    Model 370 and 380 Series ____________________________________________________________Installation and Start-Up 370/380 Series incubators are equipped with a secondary temperature monitoring system to monitor the air temperature inside the cabinet. This system is designed as a safety device to turn off all heaters in the event of a temperature control failure. Temperature control in the incubator will be ±1°...
  • Page 13 Model 370 and 380 Series ____________________________________________________________Installation and Start-Up 1 - 8...

  • Page 14: Section 2 - Calibration

    Model 370 and 380 Series _________________________________________________________________________Calibration Section 2 - Calibration b. Calibrating Thermal Conductivity CO System Models 370 and 371 have a thermal conductivity (T/C) 2.1 Calibration Mode sensor. Thermal conductivity of the incubator atmosphere is not only effected by the quantity of CO present but also by After the unit has stabilized, several different systems can the air temperature and water vapor present in the incubator...

  • Page 15: Calibrating The Infrared Co System

    Model 370 and 380 Series ________________________________________________________________________Calibration c. Calibrating the Infrared CO System d. Calibrating Relative Humidity Models 380 and 381 have an infrared (IR) CO sensor. All 370/380 Series incubators can be equipped with an Infrared CO sensors are not effected by chamber atmosphere optional direct-readout relative humidity sensor.
  • Page 16 Model 370 and 380 Series ________________________________________________________________________Calibration 2 - 3...

  • Page 17: Section 3 - Configuration

    Model 370 and 380 Series ______________________________________________________________________Configuration 1. Press the Mode key until the Config indicator lights. Section 3 - Configuration 2. Press the right arrow until REPL HEPA XX is dis- played. 3.1 Configuration Mode 3. Press the up/down arrow to choose the number of months desired.

  • Page 18: Setting A Low Co Alarm Limit

    Model 370 and 380 Series ______________________________________________________________________Configuration f. Enabling the Low Temperature Alarm to Trip i. Enabling CO Alarms to Trip Contacts Contacts High and Low CO alarms can be programmed to trip the The low temperature alarm can be programmed to trip remote alarm contacts.

  • Page 19: Setting A Low Rh Alarm Limit

    Model 370 and 380 Series ______________________________________________________________________Configuration l. Setting a Low RH Alarm Limit o. Selecting a Primary Tank w/ Gas Guard Option On units that have the RH option installed, a low RH alarm On units equipped with the Gas Guard option, a primary limit may be entered.
  • Page 20 Model 370 and 380 Series _______________________________________________________________________Configuration 3 - 4...
  • Page 21 Model 370 and 380 Series _______________________________________________________________________Configuration 3 - 5...
  • Page 22 Model 370 and 380 Series _______________________________________________________________________Configuration 3 - 6...

  • Page 23: Section 4 - Alarms

    In addition to other safety features designed into Thermo The microprocessor in 370 Series incubators continually Forma 370 Series incubators, a thermostat is also provided to scans all available sensors to ensure that they are operating monitor the cabinet’s temperature. In the unlikely event of a properly.
  • Page 24 Avoid spraying cleaner on the CO sensor. • • Use sterile, distilled or demineralized water. Do not use powdered gloves for tissue cultures. Millcreek Road, Box 649 • Marietta, Ohio 45750 USA • 740-373-4763 http://www.service@thermoforma.com USA and Canada 888-213-1790 • Telefax: 740-373-4189 •...
  • Page 25 Incubators ______________________________________________________________________________ Preventive Maintenance Preventive Maintenance for Model 370/380 Series Incubators Refer to Manual Action Daily Weekly Monthly 3 to 6 Yearly Section Months Check CO tank levels. Inspect door latch, hinges and door gasket seal. 1.5j Check water level in the humidity pan, ½” from top. * Verify and document CO , humidity and temperature calibration, as applicable (See Calibration).

  • Page 26: Section 5 - Routine Maintenance

    Model 370 and 380 Series ______________________________________________________________________Maintenance 1. Remove the Section 5 - Routine Maintenance shelves, access port filter assembly, HEPA filter, air sample If the unit has been in service, turn it off and dis- filter and tubing, connect the power cord connector before proceed- and the left and ing with any maintenance.

  • Page 27: Cleaning The Humidity Pan

    Model 370 and 380 Series ______________________________________________________________________Maintenance 1. Locate the small Some precautions in the cleaning and care of the incubator cover plate securing the door cord. glass doors: Moisture leaches alkaline materials (sodium, Na) from the Remove the screws surface of the glass. Evaporation of the moisture concentrates from the plate and the alkaline and may produce a white staining or clouding of disconnect the door...

  • Page 28: Hepa Filter Maintenance

    Model 370 and 380 Series ______________________________________________________________________Maintenance 11. Install the door handle opposite the hinges. Install screw 5.8 Replacing Air Sample Filter covers. 1. Connect one end of the air sample filter to the hose barb 12. To secure the outer door to the unit, the Phillips screws on the chamber ceiling.

  • Page 29: Major Components

    Model 370 and 380 Series ______________________________________________________________________Maintenance Figure 5-8 a. Major Components Refer to Figure 5-8. Some of the components shown in this 10. Sample port into the chamber illustration are factory installed options. 11. CO injection tubing 1. Power Switch - left of control panel on side of unit 12.

  • Page 30: Sterilization Cycle

    Model 370 and 380 Series ______________________________________________________________________Maintenance Sterilization Cycle Information You Need to Know Before Starting a Cycle • The Sterilization Cycle requires approximately 12 hours - heat-up (2-4 hours), sterilize (2 hours), and cool down (6-8 hours). Additional time is needed to verify the calibration of temperature and CO after the cycle is complete.
  • Page 31 Model 370 and 380 Series ______________________________________________________________________Maintenance Checkpoints What if? Then Cycle does not initiate Check for alarms: or terminates in mid-cycle SYS IN OTEMP, AIR SNSR ERR, TMP CTRL ERR Units are stacked Sterilize one unit at a time, the other may not be used during cycle No action is taken within Unit returns to normal operation, SYSTEM OK 1 minute, following display prompt...
  • Page 32 Model 370 and 380 Series _______________________________________________________________________Maintenance 5.10 Sterilization Cycle Note: To remove the IR sensor, if applicable, first power the unit off. Then turn the two 1/4-turn fasteners Dummy The Sterilization Cycle will heat the incubator on the top duct until the cover plate on inside interior surfaces to 140°C.
  • Page 33 Model 370 and 380 Series ______________________________________________________________________Maintenance 6. After ENTER is pressed, the Heat Phase initiates. The Completed Sterilization Cycle with IR CO sensor - green LED flashes and the display toggles between When the temperature cools down to the original set “STERILIZING”...
  • Page 34 Model 370 and 380 Series ______________________________________________________________________Maintenance 12. Fill the humidity pan with 3 liters of sterile distilled water within the recommended purity range (See Section 1.5j). 13. Connect the incubator to power and turn the power switch on. Allow to stabilize for at least 12 hours at the required temperature and CO level.

  • Page 35: Section 6 - Factory Options

    Model 370 and 380 Series __________________________________________________________________Factory Options Section 6 - Factory Options b. Connecting the RS485 Interface (1900085) All incubator models can be purchased with the RS485 6.1 Connections to External Equipment communications option. This option allows the incubator to be directly connected to a Model 1535 alarm system without the a.

  • Page 36: Gas Guard

    Slide the top back and off. warnings in Section 1.5k of this manual. 3. Locate the Analog Output board. Refer to Figure 6-3. The 370 Series incubators can be equipped with a built-in Front of incubator Gas Guard system that will operate with a CO gas supply.

  • Page 37: Operation Of The Co Gas Guard

    Model 370 and 380 Series ____________________________________________________________________Factory Options c. Operation of the CO Gas Guard 6.3 Humidity Readout (1900091) With the Gas Guard in operation, the incubator will use the The 370/380 Series incubators can be equipped with a gas supplied by the tank connected to Inlet #1 until the pressure humidity sensor to monitor the relative humidity inside the drops below 10 psig (0.690 bars).

  • Page 38: Section 7 - Specifications

    Model 370 and 380 Series _____________________________________________________________________Specifications Section 7 - Specifications* *Specifications are based on nominal voltages of 115V or 230V in ambients of 22°C to 25°C. Temperature Control ±0.1°C Microprocessor PID Control Setpoint Digital - Touch pad, 0.1°C Range +5°C above ambient to 50°C Uniformity ±0.3°C @ +37°C Tracking alarm...
  • Page 39 Model 370 and 380 Series _____________________________________________________________________Specifications Construction Interior volume 6.5 cu. ft. Interior Type 304 stainless steel shiny finish Exterior 18 gauge cold roll steel Outer door gasket Four-sided molded, magnetic Santoprene Inner door gasket Bulb, silicone Insulation Mineral wool Fittings Access port 1-1/4 inch removable silicone plug...
  • Page 40 Model 370 and 380 Series _____________________________________________________________________Specifications Certifications Refer to the Declaration of Conformity at the back of this manual Safety Specifications Indoor Use Only Altitude - 2,000 meters Temperature - 5°C to 40°C Humidity - 80% RH at or below 31°C, decreasing linearly to 50% RH at 40°C Mains Supply Fluctuations - Mains supply voltage fluctuations not to exceed ±10% of the nominal voltage Installation Category II Pollution Degree 2...

  • Page 41: Section 8 - Spare Parts

    Model 370 and 380 Series ________________________________________________________________________Spare Parts Section 8 - Spare Parts Part Number Description 190699 Removable feather gasket 190670 Duct sheet and shelf channel kit 191650 Micro board, (main control) 230135 Fuse, 1A, TD, 5 x 20mm (accessory outlet, 115V) 230120 0.5A fuse, TD, 5 x 20mm (accessory outlet, 230V)
  • Page 57 Thermo Forma Millcreek Road, P.O. Box 649 Marietta, Ohio 45750 U.S.A. Telephone (740) 373-4763 Telefax (740) 373-4189...

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