PESF4V01
2015 09 08
3
SAFETY INFORMATION
Before beginning installation works you must to read this document and follow its
instructions.
The meter is powered from the battery (3.6 V), risk factors during the meter installation
and service fluid flowing within flow sensor with inner pressure up to 2,5 MPa and temperature
up to 90
0
C.
Only qualified technical personnel may install and maintain water meters.
Personnel must be familiar with appropriate technical documentation and general
safety instructions. It is necessary to follow general safety requirements during
installation and maintenance process.
Safety guarantees at installation and service of meter is:
- Reliable insulation of electrical circuits,
- Hermetic fitting of primary flow and temperature sensors into the pipeline,
- Reliable fastening of water meter at installation.
Warning! Mounting of the sub-assemblies of water meter is permissible only after
ensuring of absence of fluid and pressure in the pipeline.
Caution: If this equipment is used in a manner not specified by the manufacturer,
the protection provided by the equipment may be impaired.
The meter can be used:
- when ambient temperature is from +5
o
C to +65
o
C,
- relative humidity up to 98 %.
1. APPLICATION FIELD
Ultrasonic water meter QALCOSONIC FLOW 4 is desighed for measurement of cold
and hot water consumption in households and blocks of flats well as industry.
The meter corresponds to essential requirements of the Technical Regulation
requirements Annexes I and MI 001. The meter complies with the requirements of European
Standards
EN 14154, EN ISO 4064 and requirements of OIML R49-1.
