Grundfos MAGNA3 25-80 Installation And Operating Instructions Manual page 43

8.7.7 "Relay outputs"
Navigation
"Home" > "Settings" > "Relay outputs"
This menu offers the following options:
• Relay output 1
• Relay output 2.
Setting
1. Choose "Relay output 1" with
2. Choose the function of input with
"Not active": The signal relay is deactivated.
"Ready": The signal relay is active when the pump is running
or has been set to stop, but is ready to run.
"Alarm": The signal relay is activated together with the red
indicator light on the pump.
"Operation": The signal relay is activated together with the
green indicator light on the pump.
3. Press [OK] to save.
Repeat steps 1-3 for "Relay output 2".
For detailed information on "Relay outputs", see section
7.9.2 Relay outputs.
The duty ranges for proportional-pressure and constant-pressure
control appear from the data sheets in the
In constant-curve duty, you can control the pump from minimum
to 100 %. The range of control depends on the minimum speed,
power and pressure limits of the pump.
or and press [OK].
or :
MAGNA3 data booklet.
8.7.8 "Setpoint influence"
Navigation
"Home" > "Settings" > "Setpoint influence"
This menu offers the following options:
• External setpoint function
• Temperature influence.
"External setpoint function"
Navigation
"Home" > "Settings" > "Setpoint influence" > "External setpoint
function"
Setting
1. Select "Linear with Min." or "Linear with Stop" (available for
pumps with production code from 1838) with
press [OK].
Note: The analog input must be set to "External setpoint
influence" before the "External setpoint function" can be enabled.
If the analog input is set to external setpoint influence, the
external setpoint function is automatically activated with "Linear
with Min.". See section 7.9.4 Analog
For detailed information on "External setpoint function", see
section 7.9.6 External setpoint
"Temperature influence"
Navigation
"Home" > "Settings" > "Setpoint influence" > "Temperature
influence"
This menu offers the following options:
• Not active
• Active, Tmax. = 50 °C
• Active, Tmax. = 80 °C.
or and
input.
function.
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