Pfannenberg PC2500 WT CE STD, Operating And Maintenance Instructions Manual

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English
70040-122_01-_-(PC2500_Op._Manual_IT-EN-DE-FR-ES-RU).docx 4
1. Warranty
For informations about warranty please visit Pfannenberg website:
http://www.pfannenberg.com/en/company/general-conditions/
2. Safety
The Chiller instructions must be read by the installer and personnel in charge for operation, before starting the chiller.
All safety and security instructions given in this manual have to be observed!
Only qualified personnel are allowed to install, operate and do the maintenance work.
Non observance of the instructions may cause injuries and will cancel the manufacturers liability for subsequent damage.
National regulations on accident prevention, regulations of the local power supply authorities as well as any specific safety
instructions for chiller must be observed.
The safety of the unit is only guaranteed, if it is used as intended.
The following points must be observed before commissioning and while operating the Chiller:
•
Familiarize yourself with all operating controls.
•
Make sure that all working limits indicated within unit label are observed.
•
Use protective devices to check electrical insulation. Do not carry out any work on any part of the equipment that are
live with wet clothing, hands and feet.
•
Never spill or pour any cooling medium into the environment as this may cause health hazard.
•
The components of the Chiller must not be modified in any way.
•
Disconnect the power supply and release pressure from any pressurized component before carrying out any service
work on the Chiller.
•
A qualified commissioning engineer must ensure that the Chiller has been connected to the electrical mains in
accordance with the standard EN 60204 and all other applicable national regulations.
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:
Risk Recommended Safety Measure Residual Risk to be
aware of Label
sharp edges (such as heat
exchanger fins and internal
metal plates live edges)
It is recommended to use safety
equipment (such as gloves and
protective cloths) -
hot surfaces
(such as electric motor
body of pump or
compressor and
refrigeration copper pipes)
It is recommended to use safety
equipment (such as gloves and
protective cloths) -
refrigerant under pressures
within refrigeration circuit
(PS indicated on chiller data
label)
Always verify functionality of High
Pressure Switch.
Never open refrigeration circuit for
maintenance before releasing
pressure* Due to Toxicity of
refrigerant and oil still
inside circuit, it is
recommended to use
suitable gloves and mask
while servicing refrigerant
equipment.
cooling water/glycol mixture
under pressure
within
hydraulic circuits (max
pressure indicated on chiller
data label)
Always check that all cooling
water/glycol pressure is released
before sectioning and servicing
hydraulic equipment using purging
system and refill ball valve Due to Toxicity of glycol
and oil still inside circuit, it
is recommended to use
suitable gloves and mask
while servicing hydraulic
equipment
electrical shock Always disconnect power supply and
post a ‘
MAINTENANCE WORK IN
PROGRESS’
sign on a visible position
next to the main switch during service
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