techem kamstrup 3.2.1, Operating Instructions Manual

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Ultrasonic heat meter 3.2.1 (MID)
Environmental conditions
x
Operating conditions / measurement range:
Computer unit:
4
2 °C...150 °C
'4
3 K...130 K
Pair of temperature sensors:
4
2 °C...150 °C
'4
3 K...130 K
Volume measuring section (heat meter):
4
2 °C...130 °C
x
Ambient temperature:
4
5 °C...55 °C
x
Installation: Non-condensing surroundings, closed rooms
(except the volume measuring section)
x
Do not disconnect the volume measuring section and temperature sensors from the
computer unit.
Installation
General installation instructions
Ö
Observe the environmental conditions!
!
When selecting the installation location, pay attention to the length of the fixed
connected sensor cable.
Ö
Do not carry out any welding, soldering or drilling work in the vicinity of the meter.
Ö
Only install meters in operational systems.
Ö
Protect meters against damage from impacts or vibration.
When commissioning, open the shut-off valves
slowly .
Ö
Install the volume measuring section isolated from the power supply. Ensure that the
pipes leading to and from the volume measuring section is properly secured and
supported.
Volume measuring section / computer unit installation
x
The flow direction can be recognised from the arrows on the volume measuring section
as well as on the electronics housing firmly attached to it.
!
The arrow on the side of the volume measuring section must be in accordance with
the flow direction. Otherwise, the meter is not started.
x
The meter normally neither needs a straight inlet nor a straight outlet pipe run.
x
Only install the heat meter in the section for which it is constructed
- the outlet variant in the low temperature section (outlet) and
- the inlet variant in the high temperature section (inlet) (see name plate)