SMA SUNNY ISLAND SIC40-MPT, Technical Description

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SMA Solar Technology AG Electrical Connection
Technical Description SIC40-TEN081110 19
5.2 Grounding
1.
5.2.1 Grounding the Charge Controller
1. Open the charge controller. Remove the lid screws and the lid.
2. Unscrew the metric-thread cable screw
connection's lock nut (A) and slide it over the PE
cable.
3. Pull the PE cable through the cable screw
connection into the inside of the charge controller
and connect it to the "EARTH" connection terminal
(B).
4. Tighten the lock nut of the cable screw connection.
L Slot for communication interface
M Socket for communication interface connection
N M20 metric-thread cable screw connections for the battery, PV generator and PE
cables
O M25 metric-thread cable screw connection for the signalling contact and the battery
temperature sensor cables
P M25 metric-thread cable screw connection for communication cable
DANGER!
Risk of lethal electric shock.
The charge controller has the protection class I and must be properly grounded.
• Ground the charge controller regardless of whether the battery and PV are
grounded.
Object Description