Grundfos magna3 User Manual

Functions
MAGNA3
4
16
For multipump modes, see Multipump modes, page 23.
Differential temperature
• Ensures a constant differential temperature drop across heating and cooling
systems.
• The pump will maintain a constant differential temperature between the
pump and the external sensor.
Constant curve
• The pump can be set to operate according to a constant curve, like an
uncontrolled pump.
• Set the desired speed in % of the maximum speed in the range from
minimum to 100 %.
H
Q
Δt
H
Q

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