Specific Safety Instructions - SPX FLOW APV CU4 plus Instruction Manual

SPX FLOW
SPX FLOW_CU4.plus. 24V Direct Connect_IECEx_Zone 2_GB-1_012024_for D4. Valves.indd
lead seal
detail X
earthing
screw
connection
detail X: electrostatic risk label
CU4 D4 IECEx Z2
detail Y: type label
control unit
Control Unit
CU4plus Direct Connect
Instruction Manual GB-0
0. IECEx Specific Instructions
0.4. Specific Safety Instructions
Connecting/Disconnecting pluggable electric circuits
- The connecting and disconnecting of the pluggable electrical circuits
including field wirings is only permitted in the absence of explosive
atmosphere.
Opening the device
- Do not open the control unit in the presence of explosive
atmosphere.
- Do not install and set the proximity switches in the presence of
explosive atmosphere.
- Before startup, secure the cover with the enclosed lead seal.
detail Y
Opening the cover without tools must be prevented.
Electrostatic discharge
- The control unit has to be installed and used in such a way, that
electrostatic charging from operation, maintenance and cleaning is
excluded.
- Connect the earthing screw in order to integrate the control unit in
the local potential equalization system.
- In case of sudden discharge from electrostatically charged devices
or individuals, risk of explosion in the explosive area exists.
- Prevent the occurance of electrostatic discharges by suitable
measures.
- Clean the control unit surface by gently wiping it with a damp or
antistatic cloth, only.
In order to prevent the emergence of explosion risks observe
the safety instructions of the instruction manual and adhere to
the following:
- Observe information on temperature classes, ambient temperatures,
degree of protection and voltage on the approval ID label.
- Do not use control units in areas subject to gas with lower ignition
temperatures than indicated on the approval ID label.
- Installation, operation and maintenance may only be performed by
qualified personnel.
- Observe the applicable international and national safety regulations
as well as the general rules of technology for construction and
operation.
- Do not repair the control unit yourself. Replace it by an equivalent
device.
- Repairs may only be performed by the manufacturer.
- Do not expose the control unit to mechanical and/or thermal loads
which may exceed the limits described in the instruction manual.
- Only use cable and/or line entry points approved for the respective
application area and which are screwed in place according to the
respective installation instructions.
- The cable glands may be used for fixed installations, only.
- Close all unnecessary cable glands with locking screws approved
for the explosive area.
GB
7