techem 3.2.1 Betriebsanleitung Seite 9

OPERATING INSTRUCTIONS
Important information
Target group
Qualified craftsmen
Specialist personnel trained by Techem
Intended use
The ultrasonic meter 3.2.1 serves exclusively for the physically correct measurement of
energy consumption. The meter is suitable for water circulating in heating systems (water
without additives, exceptions: see AGFW FW510). Alteration of the ultrasonic meters is
not permitted.
!
If a sealed meter is damaged or removed by a person not authorised by Techem,
the calibration is no longer valid.
Safety and hazard information
The regulations for the use of energy meters must be observed.
The piping system must be fully earthed.
Lightning protection must be guaranteed via the house installation.
Only clean the outside of the meter using a soft, slightly moistened cloth.
Power supply
2 lithium batteries (0.96g Li/pc.), designed to last for the service life of the meter.
Cannot be replaced.
Equipment configuration/Technical data
The ultrasonic meter consists of:
volume measuring section • fixed temperature sensors • computer unit.
Nominal flow rate: qp 0.6 - 2.5 m
Measurement is started when flow occurs.
The radio frequency function can only be activated with TAVO.
Ex-works programmed due date: 31.12. can be changed using TAVO
After a new installation until the due date, the date "2000.00.00" will be displayed,
irrespective of the encoded device due date! The due date is only shown "correctly" in
the display after this.
Output measurement:
Standard: cycle 32 sec.
Fast: cycle 8 sec. (recommended areas of use:
hot water energy, local district heating compact stations)
3 /h • Measurement accuracy according to EN 1434
Name plate sample section
GB
9