Introduction; Safety; Authorized Staff; Residual Hazards - Bitzer K033N Instructions De Service

1 Introduction

This pressure equipment is designed for installation in
refrigeration systems according to the EC Machinery
Directive 2006/42/EC and the Pressure Equipment Dir-
ective 2014/68/EU. They may only be put into operation
if they have been installed in the machines according to
these Assembly/Operating Instructions and if the over-
all system complies with the applicable legal provisions
(applied standards: see Declaration of Conformity).
The pressure equipment has been built in accordance
with state-of-the-art methods and current regulations.
Particular importance was placed on user safety.
Always keep these operations instructions near the re-
frigeration system for the whole lifetime of the pressure
equipment.

2 Safety

2.1 Authorized staff

All work done on the pressure equipment and refrigera-
tion systems may only be performed by qualified and
authorized staff who have been trained and instructed
accordingly. Local regulations and guidelines apply with
respect to the staff's qualification and expertise.

2.2 Residual hazards

The pressure equipment may present unavoidable re-
sidual risks. That is why any person working on this
device must carefully read these operating instructions!
The following regulations shall apply:
• the relevant safety regulations and standards (e.g.
EN378)
• the generally accepted safety rules,
• the EU directives,
• national regulations.
30

2.3 Safety references

are instructions intended to prevent hazards. Safety ref-
erences must be stringently observed!
NOTICE
!
!
Safety reference to avoid situations which may
result in damage to a device or its equipment.
CAUTION
Safety reference to avoid a potentially hazard-
ous situation which may result in minor or mod-
erate injury.
WARNING
Safety reference to avoid a potentially hazard-
ous situation which could result in death or seri-
ous injury.
DANGER
Safety reference to avoid an imminently hazard-
ous situation which may result in death or seri-
ous injury.
2.3.1

General safety instructions

DANGER
Risk of bursting of components and pipes due to
excess hydraulic pressure.
Vessel and pipes may burst, small components
may shoot out. The pressure wave may be
lethal.
Never charge blocked components and pipes
completely with liquid or leave them charged.
Leave sufficient volume above the liquids.
NOTICE
!
!
Too high flow velocity will damage the coolant
pipes.
Never exceed the maximum flow velocity.
State of delivery
CAUTION
The pressure equipment is filled with a holding
charge: Overpressure 0.2 .. 0.5 bar nitrogen.
Risk of injury to skin and eyes.
Depressurise the pressure equipment!
Wear safety goggles!
DB-200-6