Installation Procedure; Installing The Energy Meter - SMA ENERGY SYSTEM with SUNNY BOY STORAGE 3.8-US System Manual

SMA Solar Technology AG
Requirements for data cable of battery:
☐ Twisted pair conductors
☐ Cable category: minimum CAT5e
☐ Shielding: yes
☐ Conductor cross-section: 0.25 mm² to 0.34 mm² (24 AWG to 16 AWG)
☐ Recommended number of conductor pairs: 4
☐ External diameter: 6 mm to 8.5 mm (0.24 in to 0.33 in)
☐ Maximum cable length between a battery and the inverter: 10 m (33 ft)
☐ If the cables are routed together with the DC conductors in a conduit, each cable has to be
insulated for 600 V.
☐ UV-resistant for outdoor use.
☐ Comply with the requirements of the battery manufacturer.
Requirements for energy meter communication cable:
☐ Cross-section: at least 2 x 2 x 0.22 mm² (2 x 2 x 24 AWG)
☐ Shielding: yes
☐ Twisted pair conductors
☐ UV-resistant for outdoor use.
☐ Maximum cable length: 10 m (33 ft)
Requirements:
☐ The distribution board is installed.
☐ The router is installed.
☐ The switch is installed.
5.2

Installation Procedure

This section describes the procedure for the installation and gives an overview of the steps, which
must always be performed in the prescribed sequence.
Procedure
1. Install the energy meter.
2. Install the battery.
3. Install the battery inverter.
5.3

Installing the Energy Meter

1. Install the energy meter at a suitable location protected from the weather in front of the grid-
connection point as specified by the manufacturer.
2. Connect the electrical current strength transducer as specified by the manufacturer.
3. Connect the voltage supply as specified by the manufacturer.
System Manual
See
Section 5.3, page 17
Section 5.4, page 18
Section 5.5, page 18
SBSUL9540-SH-en-10
5 Installation
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