nVent Hoffman CUVN03602 Manuel D'utilisation Et D'entretien page 26

C UVN - CU ON - T R AS L AT E D IN S T R U C T IO N
Hot com- Leakages in the
ponents refrigerant piping,
of the unit contact with surface
accessible at high or low tem-
from outside perature, presence of
(condenser, electrical heater into
refrigerant the unit(optional) or
lines) on the damper
Near the unit, Leakages or damages
on the refrig- in the refrigerant cir-
erant piping cuit due to incorrect
transport of the unit
high pressure switch
defective; fire. Conse-
quent explosive break
of refrigerant circuit.
Near the unit, Leakages or damages
on the refrig- in the refrigerant cir-
erant piping cuit due to incorrect
transport of the unit
high pressure switch
defective; fire. Conse-
quent explosive break
of refrigerant circuit.
EN
Near the unit Vibrations of the fans,
compressor motor,
damper (free cooling
optional).
Near the Shut-off valves closed
unit and the after maintenance;
refrigerant fire; high pressure
pipes switch defectives with
consequent explosive
break of refrigerant
circuit.
Near the unit Leakages in the
refrigerant piping and
the evaporator; incor-
rect installation of the
piping connection
In contact Electrical connection
with the unit against regulations
and missing ground
connection.
Near the unit Short circuit; wrong
(electrical dimensioning of the
box, supply cables or of the gen-
cables) eral breaker.
Electrical box Powered line even if
the switches of the
unit is on OFF. Supply
cables under volt-
age, components not
working or damaged.
Electrical box Electrical arc and
electromagnetic phe-
nomenon on the start
up of the unit. Pres-
ence of other units in
the proximities. Over-
load of the electrical
cabinet. Components
becoming conductive
in case the insulation
is damaged.
Near the unit Risk of thunder near
the unit
26
Fire, burns, Ban the use of any flam-
chemi- mable components that
cal effect, could create an explosive
asphyxia, environment. Wear PPE.
freezing, loss Trained and authorized
of mobility or personnel
consciousness
Shearing, Check the components
bump, perfo- on high pressure and in
ration, push, the refrigerant pipes after
explosion. the transport of the unit.
Personnel trained and
authorized. Wear PPE.
Shearing, Check the components
bump, perfo- on high pressure and in
ration, push, the refrigerant pipes after
explosion. the transport of the unit.
Personnel trained and
authorized. Wear PPE.
Interference Check the fixed bar-
on acoustic rier guards of the unit.
signal, verbal Check the opening of
conversation, the free cooling damper,
decrease or managed by the elec-
hearing loss tronic control. Trained and
authorized personnel.
Wear PPE
Burns, forming Open shut-off valves of
of acid vapours the refrigerant circuit. Ban
in presence of the use of any flammable
flames. components that could
create an explosive envi-
ronment. Wear PPE.
Freezing, Periodic control. The
slipping and operator needs to avoid
corrosion direct contact with refrig-
erant piping. Trained and
authorized personnel.
Wear PPE.
Electrocution Remain electrically insu-
lated from the ground.
Wear PPE.
Electrocution, Check the fixing of cables
fire, forming of in the terminals: select
acid vapours. adequately supply cables
and main switch. Wear
PPE.
Electrocution, Check that the power
burns, chemi- supply of the electrical
cal effect, box has been insulated.
electro shock, Remain electrically insu-
projections
lated from the ground.
of melted Check the integrity of the
particle, effect components inside the
on medical electrical box Personnel
implants. trained and authorized.
Wear PPE.
Electrocution, Remain electrically insu-
burns, chemi- lated from the ground.
cal effect, Check the integrity of
electro shock, the components inside
projections the electrical box. Wait
of melted the condenser to unload
particle, effect before to enter in contact
on medical with the live components.
implants. Personnel trained and
authorized. Wear PPE.
Electrocution, Be sure the installation
burns, electro site is restricted to trained
shock, fire and authorized person-
nel. The installation site
needs to be certificated
against lighting. Earthing
arranged on the frame of
the unit.
Near the unit Condensate water,
cumulate of dirt or
substances which
could create chemical
or mechanical strains
• Maintenance
Area Danger
Operation of Launch of tools and vari-
the fans during ous hardware (screws,
maintenance nuts, washers, etc.) that
can accidentally fall on
the fans blades. Contact
with moving surfaces.
Near the unit Movement of
the free cooling
damper(optional), fans
and compressor motors
Near the unit Aspiration and following
expulsion from the fans
of objects, dusts and
substances present on
the installation site.
Sharp compo- Contact with cutting
nents of the unit surface.
accessible from
outside (con-
densers, edges
of the unit)
Fire in the compart-
Near the unit ment where the unit is
installed
Hot compo-
nents of the unit
Leakages in the refrigerant
accessible from
pipe, contact with high or
outside (con-
low temperature surface.
denser, refriger-
ant lines)
Near the unit Fire in the compart-
ment where the unit is
installed
Near the unit Vibrations of the fans,
compressor motor,
damper (free cooling
optional).
Near the unit, High pressure on refriger-
on the piping ant and compressor pipes
EN/02.2019 ELDON – all rights reserved
Corrosion, Periodic control of the
slipping, fall, discharges. Check
explosion, the safety devices of
burns, the refrigerant piping.
Respect the scheduled
maintenance. Personnel
trained and authorized.
Wear PPE.
Risk Preventive measures
Contusions, In the installation
traumas, phase, be sure to
cuts, shear-
remove tools and oth-
ing, cutting, er installation materi-
bump, als. Verify the correct
entrapment, installation of the fixed
collision guards (metallic grids)
of the fans. Personnel
trained and author-
ized. Wear PPE.
Contusions,
Verify the correct
traumas, installation of the fixed
cuts, shear- guards (metallic grids)
ing, cutting, of the fans. Verify the
bump, compressor crank-
entrapment, case. Verify the open-
collision ing of the free cooling
damper, managed by
the electronic control.
Personnel trained and
authorized. Wear PPE.
Contusions, Clean the installation
traumas, area. Verify the correct
cuts, shear- installation of the fixed
ing, cutting, guards (metallic grids)
bump, of the fans. Personnel
entrapment, trained and author-
collision, ized. Wear PPE.
inhalation of
dusts.
Cuts, abra- Verify the correct
sions, bruises. installation of the fixed
guards (metallic grids)
of the fans. Personnel
trained and author-
ized. Wear PPE.
Be sure that the instal-
lation site is reserved to
qualified personnel.
The refrigerant gas, in
Burning,
presence of flames,
explosion
develops toxic and
corrosive substances.
Refers to the refrigerant
safety sheet.
Prohibit the use of every
flammable component
that can create an explo-
Fire, burns,
sive environment. he
chemical effect,
refrigerant gas, in pres-
asphyxia,
ence of flames, develops
freezing, loss
toxic and corrosive
of mobility or
substances, refers to the
consciousness
refrigerant safety sheet..
Wear PPE. Personnel
trained and authorized.
Burning, Be sure the installa-
explosion tion site is restricted to
trained personnel.
Interference Check the fixed bar-
on acoustic rier guards of the unit.
signal, verbal Check the opening
conversation, of the free cooling
decrease or damper, managed by
hearing loss the electronic control.
Trained and author-
ized personnel. Wear
PPE
Check high pressure
components and refrig-
Push, collision, erant pipes after the
drilling, cuts transport of the unit.
Personnel trained and
authorized. Wear PPE.