2 | Product Description
8 / 40
0870219588_NS0600C_WCV_Ex_-0000_IM_en
2.5.2 Terminal Box
The machine can be optionally equipped with one or two terminal boxes. All electrical
devices, except the motor, are already wired to the terminal box.
2.5.3 Silencer
A silencer at the discharge connection (OUT) can be provided to reduce the exhaust gas
noise.
2.5.4 Pressure Transmitter
The pressure transmitter monitors the gas pressure at the discharge connection (OUT).
Warning and trip signals must be set, see
Wiring Diagram Pressure Transmitter [
.
2.6 Explanation of ATEX Classification
The ATEX classification is written on the nameplate of the machine (NP), see below a
marking example:
Inside (i)
Outside (o)
II 3G Ex h IIC T2 Gc X
No ATEX zone
Explosion group inside the machine
Equipment category for explosive gases inside the machine
Equipment group II (not for mining application)
Explosion protection inside the machine
Design approved according to ATEX Directive
Temperature class inside the machine
Equipment protection level
(T2=300°C) ; (T3=200°C) ; (T4=135°C)
Type of protection
Special conditions for operation*
* The specific operating conditions are determined in this instruction manual.
2.6.1 ATEX Nameplate
The machine has two different nameplates:
– A nameplate (NP1) is fixed on the base frame of the machine with the ATEX marking
inscription.
– A second nameplate (NP2) is fixed on the machine stage (module) identifying that
the stage is suitable for ATEX certified machine.
This allows the preservation of the machine ATEX certification if the machine stage
should be replaced.
2.7 Safety concept
WARNING
Misinterpretation of the ATEX instructions.
Risk of severe injury!
Risk of explosion!
• Make sure that the recommendations described in this manual correspond to the
ATEX marking written on the nameplate (NP).
• If anything needs to be clarified, please contact your Busch representative.
Summary of Contents for COBRA NS 0070-0600 C
Page 38: ...Note ...
Page 39: ...Note ...
