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USA Lab USA-SFD-4 Manual

-35 c scientific freeze dryer
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-35°C Scientific Freeze Dryer Manual
Model:
USA-SFD-4
V2.0 ONLY

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Summary of Contents for USA Lab USA-SFD-4

  • Page 1 -35°C Scientific Freeze Dryer Manual Model: USA-SFD-4 V2.0 ONLY...
  • Page 2 Safety Precautions and Explanations At USA Lab, safety is our number one priority. The following information provides guidelines for safety when using USA Lab equipment. Any piece of machinery can become dangerous to personnel when improperly operated or poorly maintained.
  • Page 3 Ensure that all power sources are turned off when the machine is not in use. This encompasses electrical and pneumatic power. • Read the manual for any special operational instructions for each piece of equipment. All USA Lab authored manuals are typically included with each device as well as posted online. •...

  • Page 4: Symbols And Warnings

    Symbols and Warnings Below are examples of commonly used symbols and what they mean. Understand them and their potential consequences.

  • Page 5: Operating Principals

    Operating Principals Freeze drying is the process of removing water and/or solvents from frozen samples. During the process, the sample is in a solid state below freezing. Generally lower than -10°C. Over time, the sample will be heated very slowly while still frozen. The solid water will convert directly to a gas. This is the process of sublimation.
  • Page 6 Index Safety Precautions and Explanations 1. Important Information 1.1 Safety Notices 1.2 Technical Parameters 2. Diagrams 3. Control Panel Operation 3.1 LCD Touchscreen Display Operation – Includes Candy, General, Expert, and Defrost. 4. Installation 4.1 Included Items 4.2 Electrical Connection 4.3 Operating Area and Warnings 4.4 Initial Assembly and Connecting the Vacuum Pump 4.5 Expert Recipe Instructions and Notes...

  • Page 7: Section 1 | Important Information

    Never use extension cords, power strips, or plug adapters other than what is supplied with the unit. • If the mains supply cord is damaged, it must be replaced by the manufacturer, USA Lab, or a similarly qualified and skilled person to avoid hazard or injury.

  • Page 10: Section 3 | Control Panel Operation

    Section 3 | Control Panel Operation 3.1 LCD Touchscreen Display Operation Main Menu After booting up the machine you will be greeted with 3 operation settings and a manual defrost button. Candy – This option is best for quickly and easily making freeze-dried candies. Can be fine-tuned. General –...
  • Page 11 Candy (Quick Setting) Adjustable parameters: Preheat Temp. – Pre-run heating of the shelves to make the candy freeze dry quickly. Preheat Time. – The time allowed to heat the shelves before the run begins. Dry Temp. – During the run ramp up to temperature needed for freeze drying. Dry Time.
  • Page 12 General (Basic Control) Adjustable parameters: Freezing Temp. – Pre-run cooling of the shelves to make the samples sublimate. Freezing Time. – The time allowed to cool the shelves before the run begins. Dry Temp. – During the run ramp up to temperature needed for freeze drying. Dry Time.
  • Page 13 Expert (Advanced Control) Notes: Up to 12 steps can be manually adjusted for complete control over the unit’s behavior. Vacuum pump activation should not be adjusted unless you require more pre-cooling stages. Pre-freeze your items for best results and a quicker run time. Drying temperature will be increased over time based on the dry time.
  • Page 14 Defrost Adjustable parameters: Defrost Temp – The temperature setting for the targeted temperature to achieve defrosting. Defrost Time – The length of the defrosting cycle. Notes: Set for above freezing (0°C) Empty the chamber before running the defrost cycle and before running the next batch.

  • Page 15: Section 4 | Installation

    Section 4 | Installation 4.1 Included Items PACKING LIST Model Quantity USA Lab USA-SFD-4 Freeze Dryer 16.5"L x 7.75"W Shelf 24" KF25 Vacuum Hose KF25 Clamp KF25 O-ring Power Cord Manual 4.2 Electrical Connection Ensure that the outlet is well grounded and installed by a licensed electrician.
  • Page 16 WARNING: Failure to provide the minimum ventilation space will harm the performance of your freeze dryer, could cause a fire, and will invalidate the warranty. WARNING: Keep clear of obstruction, all ventilation openings in the appliance enclosure, or in the structure / building.
  • Page 17 4.4 Initial Assembly and Connecting the Vacuum Pump After the unit has been unpacked and placed into a suitable location. Open the front door and empty the contents except for the metal cage. Cut and peel off any plastic wrap. Clean the trays.
  • Page 18 4.5 Expert Recipe Instructions and Notes * Pre-freeze the samples to reduce the total drying time. * Enter the expert tab and program the stages accordingly. Stage 1 - Always set this step to -35°C or lower, give the machine at least 3 hours on this step. (If pre-freezing Set this step for a short period of time, around 5 minutes) Stage 2 –...

  • Page 19: Section 5 | Maintenance

    Do not use abrasive cleaning agents or tools to clean the delicate coating of your cabinet. Always wipe dry after cleaning. USA Lab or a qualified technician must carry out any repair if required. Using an air compressor, blow out the condenser and lower cabinet. Monthly if used in a high dust environment.

  • Page 20: Section 6 | Troubleshooting Table

    Section 6 | Troubleshooting Table Problem Cause Solution A. Plug the unit in A. The unit is not plugged in B. Repair the damaged plug B. Plug is damaged The unit is not powering ON C. Verify power at C. Power supply receptacle D.

  • Page 21: Section 7 | Warranty Information And Coverages

    Within this warranty period USA Lab will replace or repair components that fail during normal daily use. Such repairs or parts will be covered in full by USA Lab and the customer will be responsible for shipping, labor, and custom duties.
  • Page 22 30 days. exceptions. You will be responsible for the return shipment unless deemed defective by USA Lab. In that case, we will pay for return shipment and replacement shipment costs. • The item(s) must be returned in original packaging and in undamaged condition.
  • Page 23 This manual and its contents are subject to change without notice. USA Lab reserves the right of ultimate interpretation of the instruction manual. Additionally, USA Lab is not responsible for damages or injuries caused by improper use; knowingly or unknowingly.