Technical Data; Hydraulic Specifications Of Did; Cu 382 Control Unit - Grundfos DID Instrucciones De Instalación Y Funcionamiento

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12. Technical data

12.1 Hydraulic specifications of DID

Variants BF1 and BF3
Data
Number of connectable s::can sensors
Minimum liquid temperature*
General data
Maximum liquid temperature*
Minimum ambient temperature*
Maximum ambient temperature*
Minimum flow rate
Maximum flow rate (integrated flow restrictor)
Hydraulic data
Maximum pressure at inlet (non fluctuating)
Minimum pressure at inlet (non fluctuating)
Maximum pressure at outlet (non fluctuating)
Internal thread of inlet and outlet
Size of inlet and outlet connection thread
Connection data
Inlet/outlet hose connections, metric, (ID/OD)
Inlet/outlet hose connections, inch, (IDxOD)
Sample water outlet, hose nipple
* Depends also on the limits of the sensor and the CU 382 control unit. The lowest value defines the operating limit.
Variants TI1 and TI2
Data
Number of connectable s::can sensors
Minimum liquid temperature*
General data
Maximum liquid temperature*
Minimum ambient temperature*
Maximum ambient temperature*
Maximum flow speed*
Hydraulic data
Maximum pressure*
Prepared for pipe dimension (metric, OD)
Connection data
Prepared for pipe dimension (inch (OD)
* Depends also on the limits of the sensor and the CU 382 control unit. The lowest value defines the operating limit.

12.2 CU 382 control unit

4-20 mA analog outputs
Description
Number of outputs
Connection
Galvanic isolation
Maximum load resistance
Minimum load resistance
Maximum output current
Resolution of reading
Response time
Drift over full temperature range
Uncertainty
30
Unit
[°C]
[°C]
[°C]
[°C]
[l/h]
[l/h]
[bar]
[bar]
[bar]
[mm]
[mm]
Unit
[°C]
[°C]
[°C]
[°C]
[m/s]
[bar]
[mm]
Unit
D-320-GF1-230 (CU 382-1)
Terminal block, stripped wire, AWG 28-12
[kV]
[Ohm]
[Ohm]
[mA]
[ms]
[uA]
BF1
BF3
1
3
0.1
45
0.1
45
30
60
3
0.5
0.5
["]
Rp1/2
-
G 5/8
4/6, 6/9, 6/12 or 9/12
["]
0.17 x 1/4, 1/4 x 3/8 or 3/8 x 1/2
4
TI1
1
0.1
45
0.1
45
See the manual "Sensors"
10
50
["]
2
D-320-GF3-230 (CU 382-3)
3
1 kV to system ground/earth
500
0
20
12-bit
< 1
-50 µA to +10 µA at 10 mA
< 30
BT4
3 + 1 optical
sensor
-
TI2
2

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