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4 - EN
Warning Device NVO5-111
Safety
EN
1.6
Intended Use
The warning device is component of an alarm system. The warning device is
suitable for the monitoring of a sensor in the Zone 0 hazardous area of containers,
tanks or double-walled pipes.
The warning device must only be installed in a suitable control cabinet or
NVO5-KV installation housing.
Only one the following sensors must be connected to the warning device:
NVF-104/34-PF overflow sensor
NVFRH-125E overflow sensor
NVF-12* overflow sensor
KVF-103-PF oil level sensor
ON/OFF switch, customer-side
The devices are only approved for appropriate and intended use. Ignoring these
instructions will void any warranty and absolve the manufacturer from any liability.
The device must only be operated in the ambient temperature range and at the
relative humidity (non-condensing) specified.
1.7
Improper Use
Protection of the operating personnel and the overall system is not ensured if the
product is not being used according to its intended purpose.
The equipment is not suitable for isolating signals in high current applications
unless this is noted separately in the corresponding datasheet.
1.8
Mounting/Installation
Prior to mounting, installation, and commissioning of the device you should make
yourself familiar with the device and carefully read the instruction manual.
The device must be disconnected from the power supply prior to installation and
maintenance. The power supply may be activated only after all the circuits
required for operation have been fully assembled and connected.
The devices must be installed outside of the hazardous area.
The device must not be installed at locations where corrosive vapors may be
present.
The devices fulfill a degree of protection IP20 according to IEC/EN 60529.
The devices are designed for use in pollution degree 2 and overvoltage
category III as per IEC/EN 60664-1.
