10
REFUsol 48K-UL
REFU Elektronik GmbH
Pos : 13 /I nverter M anuals/ Sicher heit shi nweis e/ Produkt anfor der ung en (Compliance)/ Wiring/ 843 844 UL @ 3\ mod_1480064841771_641. doc x @ 26146 @ 3 @ 1
2.3.5
Wiring Requirements
Inverters must be installed by qualified individuals and in accordance with all appropriate regulations, local
building, and electric codes. Consult NEC 690 (USA), CEC Section 50 and 64 (Canada), for additional
information.
You must meet the AC overcurrent protection requirements according to the following table when wiring the
inverters:
Power Level
Breaker Size
48 kW
80 A
Important
Maximum AC overcurrent protection for all models is 80 A.
Pos : 14 /I nverter M anuals/ Sicher heit shi nweis e/ Produkt anfor der ung en (Compliance)/ Wiring/ WR UL @ 3\ mod_1486564676801_641. doc x @ 27714 @ 3 @ 1
Wiring Information
Important
You must use National Electrical Code (ANSI/NFPA 70) wiring methods.
All wiring methods and materials shall be in accordance with the National Electrical Code
ANSI/NFPA 70, as well as all state and local code requirements.
Installations in Canada should be in accordance with the Canadian Electrical Code (CEC) or
applicable local standards.
When sizing conductors and conduits for connection to the inverters, both shall be in accordance
with the National Electrical Code ANSI/NFPA 70, as well as state and local code requirements.
The AC and DC power connections in the inverter should be securely fastened.
AC overcurrent protection for the utility interconnect (grid-tied) must be provided by the installers as
part of the inverter installation.
Use only conductors with a minimum insulation rating of 90 °C (194 °F).
This equipment is intended to be installed as part of a permanently grounded electrical system per
the NEC or local standards.
Wiring Connections
The inverter is connected to the utility grid at the AC terminals. The inverter is configured for 480 VAC, three-
phase output with separate neutral.
Important:
Electromagnetic radiation of the unit is equal to standard household
equipment.
No special precautions are required for people with pacemakers, metallic
implants, or hearing aids.
