User's Guide
PE_QW1_V04_US
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 1,6 MPa and temperature up to 194
0
F.
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:
- Hermetic fitting of primary flow sensor 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 at ambient temperature: 5
o
F ... 158
o
F
Storage and transportation temperature: -13°F...158 °F (drained flow part)
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired
operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
1 APPLICATION FIELD
Ultrasonic water meter QALCOSONIC W1 is desighed for measurement of cold and hot water
consumption.
The meter corresponds to essential requirements of the Technical Regulation requirements Annexes
I and MI 001.
Climatic environmental conditions: Temperature range: from 5
o
F ... 158
o
F;
Humidity: condensing,
Mechanical environment class: M1
Electromagnetic environment class: E2