Version 1.0 10
V. Precautions
• The power supply should be connected to the electrical outlets safely. It is important
that anyone using this equipment do so with dry hands and dry shoes to minimize the
risk of electric shock.
• A 120VAC 60Hz power supply is required for the freeze dryer operation. Any
alternative supply voltage or frequency may damage the freeze dryer reduce its
working lifespan.
• The electrical power cord is designed to be connected to the power outlet without
knots, sharp bends, or heavy materials placed on the cord.
• If the power cord is damaged, please contact the service department at
service@hollandgreenscience.com for repair or replacement.
• The freeze dryer should be properly grounded according to local electrical codes.
This will minimize the risk of electric shock and fire. It is important that all power
outlets are properly grounded.
• Never operate the freeze dryer if the freeze dryer chamber door is open. Doing so
may lead to equipment failure.
• No residual water or foreign matter should be present inside the chamber prior to
freeze-drying.
• Never open the freeze-drying chamber door during the freeze-drying process. Doing
so may cause personal injury or equipment failure.
• If an abnormal sound, excessive heat, smoke, etc., is detected, stop the process
immediately, disconnect the instrument from the power supply and contact the
service department. The freeze dryer operates with a minimal level of noise when
running if any significant changes happen, please stop the processing and contact
the service department.
• If a power outage occurs when operating the freeze-dryer, open the drain valve and
let the chamber pressure return to normal before opening the door to retrieve the
product.
• When the freeze-drying process has finished, first open the drain valve and then turn
off the vacuum pump.
• Be sure to keep the sealing ring and the chamber door clean. Only clean with soapy
water and avoid using solvents or other cleaning agents.
• Do not rapidly power on/off the freeze dryer. Please wait for at least 3 minutes after
powering off the freeze dryer to power it back on again.
• It is recommended that the freeze dryer be unplugged from the wall outlet when not
in use.
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