vwr.com I Instruction manual VWR
®
ULT Freezer 352/528 Eco Premium 02/2022
Page 69/86
22. Cleaning and decontamination
Clean the chamber after each use to avoid potential corrosion damage by ingredients of the charging ma-
terial.
Prior to renewed startup, allow the chamber to completely dry after all cleaning and decontamination
measures.
During operation: Wipe only the outer surfaces with a humid cloth and then dry it thoroughly
DANGER
Electrical hazard by water entering the chamber.
Deadly electric shock.
∅
Do NOT spill water or cleaning agents over the inner and outer chamber surfaces.
∅
Do NOT put ANY cleaning aids (cloth or brush) into slots or openings on the chamber.
Before cleaning, turn off the chamber at the main power switch and disconnect the
power plug.
Completely dry the chamber before turning it on again.
22.1 Cleaning
Disconnect the chamber from the power supply before cleaning. Disconnect the power plug.
The interior of the chamber must be kept clean. Thoroughly remove any residues of the
charging material.
Wipe the surfaces with a moistened towel. In addition, you can use the following cleaning agents (apply on
a cloth):
Exterior surfaces, door handle,
controller housing with control-
ler panel, interior (stainless
steel), shelves, door gaskets
Standard commercial cleaning detergents free from acid or halides.
Alcohol based solutions.
We recommend using a neutral cleaning agent.
Connection panel on the
chamber rear
Standard commercial cleaning detergents free from acid or halides.
We recommend using a neutral cleaning agent.
Zinc coated hinge parts
rear chamber wall
Standard commercial cleaning detergents free from acid or halides.
Do NOT use a neutral cleaning agent on zinc coated surfaces.
Do not use cleaning agents that may cause a hazard due to reaction with components of the device or the
charging material. If there is doubt regarding the suitability of cleaning products, please contact Avantor
Services.
We recommend using a neutral cleaning agent for a thorough cleaning. Any corrosive dam-
age that may arise following use of other cleaning agents is excluded from liability by VWR.
Any corrosive damage caused by a lack of cleaning, is excluded from liability by VWR.