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Forma Scientific 3546 - User Manual

Forma Scientific 3546
66 pages
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Forma Scientific, Inc.
P.O. Box 649
Marietta, Ohio 45750
U.S.A.
Telephone: (740) 373-4763
Telefax: (740) 373-4189
________________________________________
Models
3546 and 3548
Water Jacketed
Incubator
Operating Manual
Manual No. 7053546 Rev. 0
Read this Instruction Manual
Failure to read, understand and follow the instructions in this manual may result in
damage to the unit, injury to operating personnel and poor equipment performance.

Table of Contents

Questions and Answers

  • J
    Jill JuarezAug 19, 2025
    What to do if pilot lights are not on and readouts are dark in Forma Scientific Accessories?
    • S
      Scott RodriguezAug 19, 2025
      If the pilot lights are not on and the readouts are dark, verify the unit is plugged in and the main power switch is on. Also, check if the circuit breaker or the outlet overload protection has tripped. Ensure there is voltage at the outlet. A defective incubator wiring could also be the cause.
  • S
    ssteeleAug 21, 2025
    What to do if CO2 alarm and light are on in Forma Scientific Accessories?
    • M
      Michael DonovanAug 21, 2025
      If the CO2 alarm and light are activated, it could be because the CO2 level has deviated more than 1% from the setpoint, the CO2 supply has been interrupted, the CO2 inject circuit or solenoid is defective or the CO2 sensor fan is defective. If you reset the alarm and it activates again, investigate these potential causes.
  • D
    Donald RobertsAug 23, 2025
    What to do if CO2 display and FYRITE read 0% CO2 in Forma Scientific Accessories?
    • A
      ana11Aug 23, 2025
      If the CO2 display and FYRITE both read 0% CO2, and the CO2 alarm is activated while the CO2 inject light is on, it could be due to a loss of CO2 supply, a defective CO2 solenoid, or a clogged CO2 in-line filter.
  • M
    Marcus McdonaldAug 26, 2025
    What to do if CO2 system indicator and readout are dark in Forma Scientific Accessories?
    • N
      Nicole WashingtonAug 26, 2025
      If the CO2 system indicator and readout are dark, and there is no control of CO2 in the chamber, first check if the circuit breaker has tripped. If not, the issue might be a defective switch, wiring, or CO2 module.
  • J
    Joel ColeAug 28, 2025
    What to do if CO2 display shows some random number in Forma Scientific Accessories?
    • R
      Ryan RamirezAug 28, 2025
      If the CO2 display shows a random number or decimal point, the readout board might be defective. Alternatively, there could be a defective output to the readout board from the CO2 control or faulty interconnecting wiring.
  • K
    katrina32Aug 30, 2025
    What to do if CO2 setpoint changes by itself in Forma Scientific Accessories?
    • R
      Rebecca JohnsonAug 30, 2025
      If the CO2 setpoint changes by itself, it may be due to a faulty CO2 potentiometer or a defective CO2 control.
  • N
    nguyenlatashaSep 1, 2025
    Why is actual CO2 higher than setpoint in Forma Scientific Accessories?
    • R
      Richard MatthewsSep 1, 2025
      If the actual CO2 level is higher than the setpoint and readout, and re-zeroing only helps temporarily, the CO2 sensor might be defective, or the CO2 control might be incorrectly calibrated.
  • S
    Sheila MorrisonSep 3, 2025
    What to do if CO2 overshoots setpoint badly in Forma Scientific Accessories?
    • N
      Nathan WallsSep 4, 2025
      If the CO2 overshoots the setpoint badly, check if the CO2 sampler blower is inoperative. Also, a defective CO2 control, CO2 inlet pressure being too high, or the unit being in over temp could be the cause.
  • J
    Jon LewisSep 6, 2025
    What to do if CO2 alarm sounded while CO2 level is controlling at setpoint in Forma Scientific Accessories?
    • M
      Madison ShawSep 6, 2025
      If the CO2 alarm sounds even when the CO2 level is controlling at the setpoint, there might be excessive RFI or EMI near the unit, a faulty grounding circuit, or a defective CO2 control.
  • D
    Debra HansenSep 8, 2025
    What to do if CO2 display will not go to zero in Forma Scientific Accessories?
    • C
      Christopher WrightSep 8, 2025
      If the CO2 display will not go to zero, ensure you are following the proper procedure: close the door and allow the temperature and RH to stabilize for eight hours. If the issue persists, the CO2 sensor or CO2 control may be defective.

Summary

Models 3546 and 3548 Water Jacketed Incubator Operating Manual

Section 3 - Installation and Start-Up

3.2 Preliminary Disinfecting

Instructions for initial disinfection of interior surfaces before installation of components.

3.8 Connecting the Incubator to a Power Source

Steps for safely connecting the incubator to an appropriate electrical power supply.

3.10 Filling the Water Jacket

Methods and instructions for filling the incubator's water jacket with distilled water.

3.11 Filling the Humidity Reservoir or Pan

Recommended methods for providing elevated humidity using the reservoir or pan.

3.12 Setting the Chamber Temperature

How to set the desired operating temperature for the incubator chamber.

3.13 Setting the Overtemp Safety Thermostat

Procedure for setting the overtemperature safety limit to protect the unit.

3.14 Connecting the Optional Gas Guard

Instructions for connecting the optional gas guard system for CO2 supply.

3.15 Connecting the Gas Supply when not using the Gas Guard

How to connect the CO2 gas supply directly without the gas guard.

3.16 Zeroing the CO2 Controller

Steps for accurately zeroing the CO2 controller using ambient air.

3.17 Setting the CO2 Content

Procedure for setting the desired CO2 concentration percentage in the chamber.

Section 4 - Operation

4.1 Operation

General overview of the incubator's primary operational functions and features.

Section 5 - Routine Maintenance

5.2 Disinfecting the Incubator Interior

Procedures for thoroughly cleaning and disinfecting the incubator's interior surfaces.

Section 6 - Service

6.1 General Troubleshooting

Common symptoms and their possible causes for diagnosing incubator issues.

6.2 CO2 Control Module Calibration

Detailed steps for calibrating the CO2 control module, including zero and span adjustments.

6.4 Replacing the CO2 Sensor

Instructions for safely removing and replacing the incubator's CO2 sensor.

Section 7 - Features, Specifications and Accessories

Forma Scientific 3546 Specifications

General IconGeneral
BrandForma Scientific
Model3546
CategoryAccessories
LanguageEnglish

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