SPXFLOW APV CU4 Series User Manual

SPX FLOW_CU4.. AS-interface_IECEx_Zone 2_GB-1_062023_for D4. Valves.indd
GB
Control Unit
CU4** AS-interface IECEx Zone 2 Gas for D4* Valves IECEx Zone 2 Gas
Instruction manual: GB - rev. 1
5
SPX FLOW
lead seal
detailX:electrostatic risk label
CU4 D4 IECEx Z2
detail X
detailY: type label
control unit
detail Y
earthing
screw
connection
0. IECExSpecicInstructions
0.4. SpecificSafetyInstructions
Connecting/Disconnectingpluggableelectriccircuits
- The connecting and disconnecting of the pluggable electrical circuits
including eld 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.
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
qualied 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 xed installations, only.
- Close all unnecessary cable glands with locking screws approved
for the explosive area.

SPXFLOW APV CU4 Series Specifications

General

Brand	SPXFLOW
Model	APV CU4 Series
Category	Control Unit
Language	English