SMA CLUSTER CONTROLLER Installation - Manual (Page 35)

☑ The connection cable is prepared for connection
to the multipole plug.
6.6 Connecting the Cluster Controller to the Voltage
Supply
Danger to life due to electric shock from touching an ungrounded product
Touching an ungrounded product can cause a lethal electric shock.
• Ensure that the product is integrated in the existing overvoltage protection.
• Ground the enclosure of the product.
Damage to the product due to condensation
If the product is moved from a cold environment to a warm environment, condensation may form
in the product.
• When there is a large temperature difference, wait for the product to reach room
temperature before connecting to the voltage supply.
Procedure:
To connect the Cluster Controller to the voltage supply, perform the following actions in the
specified order. The exact procedure is described in the following sections.
• Connecting the Grounding Conductor to the Cluster Controller
• Connecting the Power Supply Unit
Connecting the Grounding Conductor to the Cluster Controller
Additionally required material (not included in the scope of delivery):
☐ 1 grounding conductor (see Section 6.3 "Cable Requirements", page 30)
6 Connection and Commissioning SMA Solar Technology AG / SMA America, LLC
Installation Manual 35 ClusterController-IA-en-14