Grundfos magna3 User Manual

Installation
MAGNA3
7
38
Connection to power supply, terminal-connected versions
Fig. 53 Example of a terminal-connected motor with main switch, backup fuse and additional protection
Fig. 54 Example of electrical connections for models with wire-to-wire connections
Use a suitable type of GFCI capable of handling
ground fault currents with a DC content (pulsating DC).
If the pump is connected to an electrical installation
where a GFCI is used for additional protection, this
GFCI must be able to trip when ground fault currents
with DC content occur.
TM03 2397 3216TM071415 1618
L
N
L
N
GFCI
GFCI

Grundfos magna3 Specifications

General

Liquid Temperature Range	-10°C to +110°C
Max Operating Pressure	16 bar
Type	Circulator Pump
Series	MAGNA3
Operating Temperature Range	-10°C to +110°C
Ambient Temperature Range	0°C to +40°C
Protection Class	IPX4D
Power Supply	1 x 230 V, 3 x 230 V, 3 x 400 V
Control Mode	Constant pressure, Proportional pressure
Communication	Modbus RTU
Pump Housing	Cast Iron
Impeller	Composite
Enclosure Class	X4D
Approvals	CE, EAC
Connection	Flange
Weight	Varies depending on model
Power Consumption	Varies depending on model