vwr.com I Instruction manual VWR
®
ULT Freezer 352/528 Eco Premium 02/2022
Page 31/86
Avoid any conductive dust in the ambiance according to the chamber layout complying with pollution degree
2 (IEC 61010-1).
For the user there is no risk of temporary overvoltages in the sense of EN 61010-1:2010.
Do NOT install or operate the freezer in potentially explosive areas.
DANGER
Danger of explosion due to combustible dusts or explosive mixtures in the vicinity
of the chamber.
Serious injury or death from burns and / or explosion pressure.
∅
Do NOT operate the chamber in potentially explosive areas.
KEEP combustible dust or air-solvent mixtures AWAY from the chamber.
5. Installation and connections
5.1 Operating instructions by operator
Depending on the application and location of the chamber, we recommend that the operator of the freezer
provides the relevant information for safe operation of the chamber in a set of operating instructions.
Keep the set of operating instructions with the chamber at all times in a place where they are
clearly visible. They must be comprehensible and written in the language of the employees.
5.2 Spacers for rear wall distance
Please fix both spacers with the supplied screws at the chamber rear. This serves to ensure the prescribed
minimum distance to the rear wall of 100 mm /
3.94
in
.
Figure 15: Spacer for rear wall distance
Figure 16: Rear VWR
®
ULT Freezer 528 with
mounted spacers
5.3 Adjustable shelves
The scope of delivery comprises three adjustable shelves. You can mount them and further optional shelves
in different positions of the lateral walls in 24 mm /
1 inch
steps. In standard position, the shelves are placed
with a distance of 310mm /
12.2 in
, forming the bottom of the compartments, thus making available the
maximum space for optional inventory systems.
