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Operating Manual:
ULT25NE 10327.1 | 12.22.2016 www.stirlingultracold.com
1.2 – Damage Prevention
• Do not disassemble, modify or repair. There are no user serviceable parts inside
the freezer unit.*
• Do not immerse in water or pour water on the unit.*
• Do not put ice or liquid water directly in the freezer box, always use suitable
containers.
• Do not use glass containers when the contents might freeze and break.
• Do not store flammable items such as gasoline, thinner or solvents in the freezer.
The freezer is NOT rated as an explosion-proof freezer.
• Do not use hard and/or sharp objects, such as knives, screwdrivers, etc. to remove any
frost or ice which has accumulated on the inside of the freezer. The inside panels are
heat exchangers and can be damaged.
• Do not block the air intake or air discharge vents.
• Do not drop, throw or abuse the freezer.*
• Do not operate under extreme environmental conditions, such as in a car trunk,
in very high humidity environments, in rain or other severe weather.*
• Do not use solvents to clean the control panel or the outside or inside of the freezer.
1.3 – Transportation Care
• Only ship via ground transportation to ensure proper unit function (especially import-
ant for domestic addresses).
• Use only factory-provided packaging. If unavailable, contact the manufacturer for
replacement packaging materials.
• Do not place unit on sides or turn upside down.
*Warning: Unauthorized modication to the cabinet, controls or free-piston Stirling engine is prohibited
and will void all warranty provisions.
1. Safety Precautions
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