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4.5 Forbidden uses
Forbidden use
Risk
Measures
Operation in a classified zone with
explosive atmosphere
Fire and explosion
Forbidden use
Suction of explosive gases
Suction of toxic or dangerous gases
Environment pollution
Risk of operators health
Suction of liquids
Blower stall
Operation with wrong direction of
rotation
Emission of dangerous substances
Compressor stall
Wire the main electrical motor following
strictly the indication of the paragraph 5.2
The electrical cabinet does not allow the
modification of the phase sequency
Operation with speed higher than the
maximum one
Compressor stall
If the motor is wired at constant speed, do
not change the V-belt transmission
If the main electrical motor is wired with a
frequency converter use suitable limits for
the supply frequency
Operation with speed lower than the
minimum one
Overheating
Compressor stall
Operation with suction piping throttled or
closed
Overheating
Tripping of main electric motor thermal
protection device
Opening of the relif valve
Blower stall
Use a suitable operating sequence of the
plant where ROBOX is installed
Operation with discharge piping throttle
or closed
4.6 Residual risks
Hazard
UNI EN 1012-1 Compressor
Residual risk
ROBOX WS
ROBOX WL
Cutting, severing, drawing in,
trapping, entanglement, friction
and abrasion
None whit sound hood closed
With open sound hood see ROBOX SCREW WL
Do not approach the transmission guard and
suction nozzle with no suitable clothes
Advice in the manual
Fluid ejection
Discharge of relief valve
Label C.9 on the sound hood
Advice in the manual
Discharge of relief valve
Label C.9 on the valve body
Advice in the manual
Ejection of parts
None
Loss of stability
None
Electric installation
None only for the principal motor supplied
directly by ROBUSCHI and for the fan motor
None only for the principal motor supplied
directly by ROBUSCHI
Electrostatic phenomena
External influences on electrical
equipment
Thermal safety
The surface of the discharge pipes can be higher
than 70 °C
The surface of the compressor, the discharge
silencer and discharge pipes can be higher than
70 °C
Label C.7 on the surfaces
Advice in the manual
Noise
None with sound hood closed
With open sound hood see ROBOX SCREW WL
The sound pressure level can be higher than 85
dB(A)
Wear the noise protection devices
Label C.2 on the inlet filter
Advice in the manual
Suction of liquids
Forbidden use can cause the risk of suction of liquids
Gas
Forbidden use can cause the risk of suction of dangerous gases
Fire and explosion
Overcoming the operation limits (par. 2.2) can cause the risk of fire and explosion
Operation with shut-off valve locked can produce the risk of fire
The not correct maintenance can cause the overheating and the risk of fire
Failure of energy supply
None
Содержание ROBOX SCREW Series
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