Grundfos magna3 User Manual

Functions
MAGNA3
4
14
4. Functions
Page
Operating modes 17
Normal (control modes enabled) 17
Stop 17
Minimum curve 17
Maximum curve 17
Control modes 17
AUTO
ADAPT
(factory setting) 17
FLOW
ADAPT
18
Proportional pressure 19
Constant pressure 19
Constant temperature 20
Differential temperature 20
Constant curve 21
Additional control mode features 22
FLOW
LIMIT
22
Automatic Night Setback 23
Multipump modes 23
Alternating operation 23
Backup operation 23
Cascade operation 23
Readings and settings on the pump 25
Operating panel and display 25
Operating status 25
Pump performance 25
Warning and alarm 25
Heat energy monitor 26
Operating log 26
Grundfos Eye (status indicator) 26
Communication 27
Wireless Grundfos GO 27
Wireless GENIair connection 27
Pump information to BMS via CIM modules 27
Bus via GENIbus 28
Bus via LonWorks 28
Bus via PROFIBUS DP 28
Bus via Modbus RTU 28
Bus via BACnet MS/TP 28
Digital inputs 29
Relay outputs 30
Analog input for external sensor 30
External setpoint function 31

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