Grundfos MAGNA3 Series User Manual

39
English (US)
17. Sensor
Fig. 39 Correct position of sensor
During maintenance and replacement of the sensor, it is
important that the sealing cap is fitted correctly on the sensor
housing.
Tighten the screw holding the clamp to 3.7 ft-lbs (5 Nm).
17.1 Sensor specifications
17.1.1 Pressure
* Full scale.
17.1.2 Temperature
TM05 3036 0812
Nose downwards
5 Nm
Warning
Before replacing the sensor, make sure that the
pump is stopped and that the system is not
pressurized.
Maximum differential pressure
during operation
29 psi / 2 bar / 0.2 MPa
Accuracy
+32 to +185 °F (0 to +85 °C)
2 %*
Accuracy
+14 to +32 °F and +185 to +266 °F
(-10 to 0 °C and +85 to +130 °C)
3 %*
Temperature range during operation
+14 to +266 °F
(-10 to +130 °C)
Accuracy
± 3.6 °F
(± 2 °C)

Grundfos MAGNA3 Series Specifications

General

Temperature Range	-10 °C to +110 °C
Insulation Class	F
Series	MAGNA3
Max. Liquid Temperature	110 °C
Power Supply	1x230V, 3x400V
Approvals	CE
Pump Housing	Cast iron
Installation	Inline
Communication	Modbus RTU, BACnet MS/TP
Ambient Temperature	0 °C to 40 °C
Material	Cast iron