Grundfos LC A1 Instrucciones De Instalación Y Funcionamiento página 6

4. Installation
Warning
Unplug the unit before opening it.
1. Install the level switch. See examples on
page 87.
2. Remove the four screws at the back of the LC A1
and lift off the cover carefully.
3. Disconnect wires, if any, to the buzzer.
4. Remove the cover.
5. Lead the level switch cable through a suitable
cable gland and connect the conductors to the
terminal block.
6. Tighten the cable gland by hand.
7. Follow the same procedure for the alarm relay.
8. Connect the buzzer by means of the connector.
9. Fit the cover.
Caution Make sure that wires are not pinched.
10. Fit and tighten the four screws.
5. Examples of systems
See page 87.
Observe limitations, if any, in the use of
Caution
pumps or lifting stations.
6
6. Level switches
6.1 Float switch
Float switch, type MS2, for installation in tanks and
pits. It is especially suitable for Liftaway B,
Liftaway C 100, Unilift and PUST.
Fig. 1 Float switch
91427145: Float switch with 5 m cable.
91427146: Float switch with 10 m cable.
91427147: Float switch with 20 m cable.
6.2 Vertical level switch
Level switch for installation in the cover of small
lifting stations and tanks. It is especially suitable for
Sololift2 C-3, Sololift+ C-3 and Liftaway C.
Fig. 2 Vertical level switch
97775337: Vertical float switch with 10 m cable.