SMA DB-SB-ERD - Manual (Page 7)

SMA Solar Technology AG Connecting Additional Grounding
7/7 SB_Erdung-IXX104810
Connection Procedure for SB 1200/1700, SB 2100TL, SB 2500/3000,
SB 3300TL HC, WB 1200/1700, WB 2500/3000
1. Disconnect the inverter on the AC and DC sides as described in the inverter's installation guide.
2. Fit the washer, terminal lug with grounding
conductor and tooth lock washer onto the cylinder
head screw. The toothing of the tooth lock washer
must face toward the metal shackle.
3. Insert the cylinder head screw into the metal
shackle an the underside of the enclosure and
screw tightly into the lower hole of the wall bracket.
Tighten the cylinder head screw using a torque of
6 Nm.
4. Check that the contact between the grounding
conductor and the enclosure is in accordance with
the regulations valid for the country of installation.
Connection Procedure for SB 3300/3800, WB 3300/3800
1. Disconnect the inverter on the AC and DC sides as described in the inverter's installation guide.
2. Fit the washer, terminal lug with grounding
conductor and tooth lock washer onto the cylinder
head screw. The toothing of the tooth lock washer
must face toward the metal shackle.
3. Insert the cylinder head screw into the metal
shackle and tighten it using a torque of 6 Nm.
4. Check that the contact between the grounding
conductor and the enclosure is in accordance with
the regulations valid for the country of installation.