MADDALENA microCLIMA U - 8 Technical Data; Approval Data; Flow Sensor Technical Data

2015_03_03 4
9) Tariff register 1: values
alternating with tariff register
number and criteria
2
10) Tariff register 2: values
alternating with tariff register
number and criteria
2
11) Momentary reading of
the pulse counter 1
alternating with the pulse
value
2
12) Momentary reading of
the pulse counter 2
alternating with the pulse
value
2
Level 2/Technician’s loop
1) Maximum power in kW
2) Maximum flow in m³/h
3) Forward flow temperature
in °C
4) Return flow temperature
in °C
5) Temperature difference
6) Days in operation since
calibration
7) Sensor type/installation
point
8) M-Bus address
9) Serial number
10) Firmware version
Level 3/Statistics loop
1) Previous reading date alternating with its value.
Alternatively, the total volume or tariff values can be
displayed
1
.
2 -16) Monthly values: dates alternating with their values.
Alternatively, the total volume or tariff values can be
displayed
1
.
1
Up to the end of the month the consumption and reading date for that month will be shown as 0.
2
It can be set using the software “Device Monitor”. A dedicated meter password is necessary. The password is
available from the manufacturer.
8 Technical Data
Approval Data
Nominal flow qp
m³/h
0.6
1.5
2.5
3.5
3.5
6.0
6.0
Accuracy class
EN 1434-1:2007; class 2/3
Dynamic range;
Minimum flow qi/qp
1:50
1:50
1:100
1:125
1:100
1:100
1:125
1:150
1:100
1:125
1:150
1:100
1:100
Maximum flow qs/qp
2:1
Mechanical class
M1
Electromagnetic class
E1
Protection class of flow sensor
IP65
Flow disturbance class
U0
Flow Sensor
Nominal diameter DN
mm
15
15
20
20
25
25
25