SMA Solar Technology AG GRID-CONNECT-BOX 12, Operating Manual, Page: 25 / 40

SMA Solar Technology AG 9 Periodic Actions
Operating Manual GRID-BOX-12-3-20-BE-en-11 25
9.3 Inserting the Cables
Requirement:
The kick plates must be dismantled (see Section 5.4.2 "Transporting and Mounting the Grid-Connect-Box",
page 16).
Procedure:
1. Remove the Grid-Connect-Box protective cover (see Section 9.1, page 23).
2. Remove all front- and rear base plate screws (TX 25) from the floor
of the Grid-Connect-Box and remove the base plates.
3. Insert all cables into the Grid-Connect-Box 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 you do not make
the opening too large.
• Insert each cable through the membrane of the selected enclosure opening into the interior of the
Grid-Connect-Box. When doing so, ensure that the cable is tightly enclosed by the membrane.
• Strip the insulation of each cable.
4. Insert the base plate and tighten all screws (TX 25 screwdriver, torque: 9 Nm).
5. Attach the kick plates to the Grid-Connect-Box using the fastening screws (TX 30, torque: 12 Nm).
/05*$&
Damage to the Grid-Connect-Box due to moisture penetration
Dust and moisture can penetrate the Grid-Connect-Box due to overstretched or damaged membranes. Dust and
moisture can cause irreparable damage to the Grid-Connect-Box.
• When selecting the enclosure opening, match the diameter of the membrane to the diameter of the cable.
• Choose a suitable tool for piercing the membrane.
• Ensure that the membrane does not tear when the cable is inserted.
Cable type Insulation stripping length
Power cable 40 mm
Control cable 20 mm