beautypg.com

SMA String-Monitors Alarm Contact Kit User Manual

Page 17

background image

Procedure:

1. Disconnect the inverter on the DC side (see inverter manual).
2. Disconnect the SMA String-Monitor (see SMA String Monitor manual). Do not attach a lock on

the rotary handle of the DC load-break switch.

3. Use a screwdriver to lever up the catch

mechanism above the rotary handle, and pull
the rotary handle forwards and off.

4. Disassemble the protective covers in the SMA String-Monitor (see SMA String-Monitor

manual).

5. Remove the cover of the DC load-break switch to which the rotary handle was attached.

• Release the screws of the cover with a

cross-head screwdriver (PZ1).

• Remove the cover.

6. Remove the cover of the block on the right-hand

side.

7. Connect the conductors of the pre-assembled cable to the alarm contact as follows:

• Affix the supplied label with the inscription for the switching contacts 13 and 14 on the

outside of the cover of the DC load-break switch. This is to define which alarm contact
terminals correspond to the switching contacts 13 and 14.

5 Installing Alarm Contact for DC Load-Break Switch

SMA Solar Technology AG

Installation Manual

17

MeldeLasttr-IA-xx-10

ENGLISH