Pfannenberg EB 210, Operating And Maintenance Instructions Manual

Page: 57 / 293

Operating and Maintenance Instructions - Chiller - Series EB 210 - EB 440 © Pfannenberg GmbH Page 57 / 293
EN
2.1 Safety instructions for the operator and personnel
For Health and Safety reasons, please find below a list of potential risks that the operator is exposed to while
commissioning and/or operating and/or dismantling the unit:
CAUTION
Sharp edges
Heat exchanger fins and internal metal plates live edges have sharp edges.
Avoid contact or wear safety equipment such as gloves and protective clothes.
CAUTION
Hot surface
To avoid possible skin burns, do not touch parts such as electric motor body of pump or
compressor and refrigeration copper pipes.
Wear safety equipment such as gloves and protective clothes.
CAUTION
Pressurized device
Refrigerant under pressure within refrigeration circuit (PS indicated on chiller data label).
Always verify functionality of High Pressure Switch.
Release pressure before maintaining or servicing the refrigeration circuit.
Due to toxicity of refrigerant and oil still inside circuit, it is recommended to use suitable gloves
and mask while servicing refrigerant equipment.
CAUTION
Pressurized device
Cooling water/glycol mixture under pressure within hydraulic circuits (max pressure indicated on
chiller data label).
Release pressure (use purge system and refill ball valve) before sectioning, maintaining or
servicing the hydraulic equipment.
Due to toxicity of refrigerant and oil still inside circuit, it is recommended to use suitable gloves
and mask while servicing refrigerant equipment.
DANGER
Electrical shock hazard
Always unplug or disconnect power supply before opening the unit.
Post a ‘MAINTENANCE WORK IN PROGRESS’ sign on a visible position next to the main
switch during service.
WARNING
Rotating fan blades
Can cause serious injury or cut.
Keep hands clear.
Always disconnect power supply and make sure all mechanical equipment is stopped before
service.