9 © STULZ SpA . – all rights reserved EN/39B/06.2018
SAL
2.3. Residual hazard
During transport and installation
Area Danger Risk Preventive measures
Under
the unit
Defective lifting system of the unit
that causes its fall.
Contusions,
traumas
Keep away from dangerous area during handling of the unit.
Near the
unit
Accidental collision with damages
to the refrigerant circuit and
leakage of refrigerant.
Burns, forming
of acid vapours
Keep away from dangerous area during handling of the unit. Wear
PPE.
Near the
unit
Unstable or unsuitable support of
the unit which causes its overturn.
Contusions,
traumas
Be sure that the unit has adequate support in relation with its
weight, it's stable and levelled. Wear PPE.
Electrical
box
Supply cables under voltage. Electrocution Check that the power supply of the electrical box has been
insulated. Remain electrically insulated from the ground. Wear PPE.
During start-up and operation
Area Danger Risk Preventive measures
Near the unit Launch of tools and various hardware (screws, nuts,
washers, etc.) that can accidentally fall on the fans
blades.
Contusions, traumas In the installation phase, be sure to
remove tools and other installation
materials. Wear PPE.
Near the unit Aspiration and following expulsion from the fans
of objects, dusts and substances present on the
installation site.
Contusions, traumas,
inhalation of dusts
Clean installation area. Wear PPE.
In contact with
the unit
Electrical connection against regulations and missing
ground connection.
Electrocution Remain electrically insulated from
the ground. Wear PPE.
Near the
refrigerant pipes
Condensation on refrigerant pipes if not insulated Electrocution,
slipping
Insulate the pipes. Wear PPE.
Near the
unit and the
refrigerant pipes
Shut-off valves closed after maintenance; fire; high
pressure switch defectives with consequent explosive
break of refrigerant circuit.
Burns, forming of
acid vapours in
presence of flames
Open shut-off valves of the
refrigerant circuit. Wear PPE.
Near the unit
(electrical box,
supply cables)
Short circuit; wrong dimensioning of the cables or of
the general breaker.
Electrocution, fire,
forming of acid
vapours
Check the fixing of cables in the
terminals: select adequately supply
cables and main switch. Wear PPE.
During maintenance
Area Danger Risk Preventive measures
Near the unit and the
refrigerant pipes
Leakages in the refrigerant circuit; high
pressure switch defective; fire. Consequent
explosive break of refrigerant circuit.
Burns, forming of
acid vapours in
presence of flames
Open shut-off valves of the
refrigerant circuit. Wear PPE.
Hot components of the unit
accessible from outside
(condenser, refrigerant lines)
Contact with hot surfaces. Burns Avoid contact. Wear PPE.
Sharp components of the
unit accessible from outside
(condensers, edges of the unit)
Contact with cutting surface. Cuts, abrasions,
bruises
Wear PPE
Electrical box Powered line even if the switch of the
machine is on OFF.
Electrocution Check the insulation of the
power supply from the electrical
panel. Be sure that the main
switch will not re-activated
during maintenance.
Operation of the fans during
maintenance
Contact with moving surfaces. Cuts, abrasions,
bruises
Be sure to remove power during
maintenance and wait the stop
of the moving parts. Wear PPE.
Internal hot components
(compressor, condenser,
refrigerant lines)
Contact with hot surfaces. Burns Wear PPE
To Next Page
Loading...
