Issue 6: 20/11/2018
2 of 8
WARNING TERMS
The type and source of danger associated with this device is shown here.
Precautions to take in order to avoid the danger are shown here.
There are three different levels of warning:
DANGER
Imminent danger!
Failure to observe the information will result in death or serious injuries.
WARNING
Possible imminent danger!
Failure to observe the information may result in death or serious injuries.
CAUTION
Dangerous situation!
Failure to observe the information may result in minor or serious injuries and
damage to property or device not working as expected.
General Installation and Wiring requirements
The device must be installed in accordance with the details given later in this guide.
All wiring must be in suitable cable for the application conditions and must comply with the relevant
regulations of the electrical supply authority concerned, together with any other statutory requirements
which may affect the complete installation.
It is recommended that cable with polyethylene or PVC insulation with a conductor size of at least
1.0mm
2
is used.
CAUTION
ATEX installations may only be carried out by qualified and trained personnel in accordance
with ATEX specific requirements.
MICC cable (Pyro) must never be used under any circumstances
Signal cables should be run separately from any cables carrying mains voltages.
If signal cables are to be run through areas of high electrical interference it is recommended that
screened cable is used with the screens being terminated only to the device earth terminal or as
specified.
Specific terminal connection information may be found on identification label(s) on the device unless
otherwise advised..
Refer to separately supplied installation guides for information regarding external components of the
system such as level sensors, sounders and beacons etc.
CAUTION
Electrical systems may be impacted and the device switching contact (if fitted) may be destroyed by
voltage peaks when inductive loads are switched off.
Use commercially available standard RC combinations such as 0.1µF/100
�
for inductive load switching.
Troubleshooting
Repairs and fault finding may only be performed by Afriso Eurogauge personnel or qualified personnel
under Afriso Eurogauge instruction.
Refer to separately supplied installation guides for information regarding fault finding and repairs on
external components.
User Guide
ACU 2030
