Install Manual
Table Of Contents
- Installation Manual
- Legal Provisions
- Table of Contents
- 1 Information on this Document
- 2 Safety
- 3 Scope of Delivery
- 4 Product Overview
- 5 Mounting
- 6 Electrical Connection
- 7 Commissioning
- 8 Disconnecting the Inverter from Voltage Sources
- 9 Decommissioning the Inverter
- 10 Technical Data
- 11 Compliance Information
- 12 Contact
- Instrucciones de instalación
- Disposiciones legales
- Índice
- 1 Indicaciones sobre este documento
- 2 Seguridad
- 3 Contenido de la entrega
- 4 Vista general del producto
- 5 Montaje
- 6 Conexión eléctrica
- 7 Puesta en marcha
- 8 Desconexión del inversor de la tensión
- 9 Puesta fuera de servicio del inversor
- 10 Datos técnicos
- 11 Información de cumplimiento
- 12 Contacto
6 Electrical Connection
SMA Solar Technology AG
Installation Manual STP33-62-US-41-IA-en_es-11 35
Reporting the switching status of the grid relay
The multifunction relay can trip a signal to the grid operator as soon as the inverter connects to the
utility grid. To enable this function, the multifunction relays of all inverters must be connected in
parallel.
1 kΩ
B F
1
2
3
B F
1
2
3
B F
1
2
3
=
Signal to
grid operator
Inverter 1:
Grid relay closed
Inverter 2:
Grid relay open
Inverter n:
Grid relay open
max. 30 V
DC
Figure 11: Wiring diagram for signaling the switching status of the grid relay (example)
6.4.4 Connection to the Multifunction Relay
Additionally required material for the use of conduits (not included in the scope of
delivery):
☐ Conduit (trade size: 27mm (1in) or smaller with suitable reducer bush)
☐ Rain-tight or conduit fittings for wet locations complying with UL514B (trade size: 27mm
(1in) or smaller with suitable reducing bush)
ENGLISH