Indicator Lights; Expansion Modules - Grundfos MAGNA 40-120 Montage- Und Betriebsanleitung

7.9 Indicator lights

For position on pump, see fig. 19, section 8.2 Control
panel.
The indicator lights, pos. 2, are used for operating
and fault indication. Furthermore, they indicate
whether the pump is externally controlled.
When the R100 remote control
communicates with the pump, the red
Note
indicator light will flash rapidly.
The function of the operating and fault indicator
lights can be found in section 9. Fault finding chart.
The indicator light for external control is on
• if the pump control panel is inactive,
• if the pump is in constant-curve operating mode,
• if the temperature influence is active or
• if the pump is controlled by an external unit.

7.10 Expansion modules

The pump can be fitted with an expansion module
enabling communication with external signals
(signal transmitters).
Two types of expansion module are available:
• GENI module.
• LON module.
The fitting of a module is illustrated in fig. 14.
Open the control box cover and fit the module as
shown in fig. 14.
Warning
Before removing the control box cover,
make sure that the electricity supply
has been switched off for at least
5 minutes.
Step Action
1
2
3
Fig. 14 Fitting an expansion module
17