Submittal Sheet

Table Of Contents
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 flow 21
Constant curve 21
Additional control mode features 22
FLOW
LIMIT
22
Automatic Night Setback 23
Multipump modes 24
Alternating operation 24
Backup operation 24
Cascade operation 24
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 25
Operating log 26
Grundfos Eye (status indicator) 26
Communication 26
Wireless Grundfos GO 26
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 30
Relay outputs 31
Analog input for external sensor 31
External setpoint function 33