Grundfos Magna User Manual

10
5. External start/stop
The relay module incorporates a digital input for an external contact.
The pump can be started and stopped via this input.
When started, the pump will operate with the setpoint set on the control
panel or with the R100.
Functional diagram: Start/stop input
TM03 0896 0705
6. Correctly mounted
module.
Note
If the external contact is used, the connection between
terminals 7 and 8 must be replaced by the external
connection.
Contact position Function
Stop of pump
Start of pump

Grundfos Magna Specifications

General

Frequency	50/60 Hz
Temperature Range	-10 °C to +110 °C
Type	Circulator Pump
Maximum Operating Pressure	10 bar
Insulation Class	F
Series	Magna
Material	Cast iron
Voltage	1 x 230 V / 3 x 400 V (depending on model)