Inserting Power And Control Cables - SMA NA-BOX 12 Operating Manual

SMA Solar Technology AG
2. Remove the protective cover forwards.
3. Retain the protective cover and the fastening screws for later use. In this way, the protective cover can be mounted
at a later time and thus the NA-Box recommissioned.
9.2

Inserting Power and Control Cables

Damage to the product due to sand, dust and moisture because of leaky membranes
By piercing unnecessary or oversized holes, the membranes in the cable feed-through plate become leaky. Sand,
dust and moisture penetration can damage the product and impair its functionality.
• Select membranes that match the cable diameter.
• Only pierce as many holes in the membranes of the cable feed-through plate as you need for the cables.
• The hole in the membrane must be smaller than the diameter of the cable to be led through.
• Only insert one cable in each membrane.
Requirement:
☐ The kick plates must be dismantled (see Section 5.3, page 16).
Procedure:
1. Remove the protective cover (see Section 9.1, page 24).
2. Remove all screws of the front and rear base plates (TX 25) and
remove the base plates.
3. Insert all cables into the product in accordance with the following procedure:
• Select a suitable enclosure opening for the given cable.
• Pierce the membrane of the selected enclosure opening with a pointed object. Make sure that the opening is
not too large.
• Insert each cable through the membrane of the selected enclosure opening into the Multicluster-Box. Ensure
that the cable is tightly enclosed by the membrane.
Operating manual
NOTICE
9 Periodic Actions
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