![SMA AS-Box-S.1 Скачать руководство пользователя страница 59](http://html.mh-extra.com/html/sma/as-box-s-1/as-box-s-1_technical-description_1294611059.webp)
SMA Solar Technology AG
Electrical Connection of the Sunny Backup 2200
Technical Description
SBU2200-TEN083320
59
7.3.3 AC2 (Load Meter)
Connect the Sunny Backup 2200 to the public grid via the distribution. Connect the AC2 connection
terminals to the electricity meter.
Wire the AC2 cable as described in section 7.3.2 „AC1 (AS-Box-S.1)“ (57).
Installation instructions
• Do not install a RCD switch (or similar switching element) in the grid-side supply cable
of the Sunny Backup System S.
• Ground the grid-side PEN conductor from the energy supplier (before or while
separating into N and PE conductors) in the main distribution box.
Cable protection
Equip the sub-distribution unit with the appropriate circuit breakers. Be sure to observe all
the applicable regional standards and guidelines.