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Introduction
OPERATION MANUAL Chapter 1
Water Cooler
Errors and omissions excepted. V1.1.0en/13.12.12
16
1.2.2 Requirements for operators
Work on the temperature control unit is reserved for appropriately qualified specialists, who have
been assigned and trained by the user to do so. Operators must be at least 18 years old. Under 18-
year olds may operate the temperature control unit only under the supervision of a qualified spe-
cialist. The user is responsible vis-a-vis third-parties in the work area.
1.2.3 Obligations of the operators
Carefully read the operation manual before handling the temperature control unit. Strictly observe
the safety instructions. Wear personnel protective equipment when handling the temperature con-
trol unit (e.g. safety goggles, protective gloves, anti-slip footwear).
1.3 General information
1.3.1 Description of the workstations
The workstation is located at the control panel in front of the temperature control unit. The work-
station is determined by the customer's connected peripheries. Accordingly, it must be designed
safe by the user. The workstation design also depends on the applicable requirements of the Ger-
man occupational health and safety regulations [BetrSichV] and the risk analysis for the workstation.
1.3.2 Safety devices to DIN 12876
Adjustable over-temperature protection (applicable for temperature control units with heating
function).
Low level protection.
The rating of your temperature control unit is stated on the data sheet in the appendix.
Rating
Temperature control
fluid
Technical requirements Code
c)
I Distilled Water
a)
Overheat protection
b)
NFL
a)
Usually water; other fluids only if non-combustible even within the temperature range of an individual fault.
b)
The overheat protection can, for instance, be realized using a suitable fill level sensor or a suitable tempera-
ture limiter.
c)
Optional at the choice of the manufacturer.
Temperature control units with heating (marked by an “-H” in the name) are designated as class
III FL.
Temperature control units without heating are designated as class I NFL.
Rating of laboratory
thermostats and labo-
ratory baths