6 Electrical Connection
SMA America, LLC
26
CU600-1000US-IA-en-10
Installation Manual
6 Electrical Connection
6.1 Safety during Electrical Connection
Danger to life due to high voltages in the Connection Unit
High voltages that can cause fatal electric shocks when touched are present in the live components
of the Connection Unit.
• All work on the Connection Unit must be carried out by qualified persons only.
• Prior to performing any work on the Connection Unit, disconnect it from any voltage source
as described in this document (see Section 8).
• All work on the Connection Unit should only be carried out as described in this document.
Damage to the seal of the enclosure lid during frost
When opening the Connection Unit during frost, the seal of the enclosure lid can be damaged.
There may be an ingress of moisture damaging the Connection Unit.
• Do not open the Connection Unit when the ambient temperature is below 23°F ( − 5°C).
There might be ice on the seal of the lid when there is frost or the temperatures are below
freezing. Remove it prior to opening the Connection Unit (e.g. by melting the ice with warm
air). Adhere to the corresponding safety precautions.
Damage to the Connection Unit due to moisture ingress during electrical installation
• Do not open the Connection Unit in the event of rain or a high level of humidity (> 95%).
• For attaching the conduits to the enclosure, only use UL-listed rainproof or wet location conduit
fittings in accordance with UL514B.
• Close all unused openings tightly.
Electrostatic discharge
By touching electronic components you can damage or destroy the Connection Unit through
electrostatic discharge.
• Ground yourself before touching any components.
Ground faults, unreliable and highly resistive connections due to
Wire Nuts
®
Potential damage to or failure of the Connection Unit.
• Do not use
Wire Nuts
®
.
The PowerStore Inc.
(888) 244-2979
12621 E FM 917 Suite A Alvarado, Tx 76009
