Classic Manual Rev L
6 | P a g e 1 0 - 0 0 1 - 1 R E V L
Safety Instructions
WARNING: Identifies conditions or practices that could result in personal injury or loss
of life.
CAUTION: Identifies conditions or practices that could result in damage to the unit or
other equipment.
This product is intended to be installed as part of a permanently grounded electrical system as
shown in the system configuration sections. The following important restrictions apply unless
superseded by local or national codes:
To use the Classic’s built-in DC GFP, the system's DC negative conductor must not be bonded
to earth ground. The Classic does this with its internal Ground Fault Protection circuitry. The
battery negative and ground are not bonded together directly, rather battery negative and
ground are connected by the Classic’s internal GFP device. All negative conductor
connections must be kept separate from the grounding conductor connections. The
equipment ground terminal inside the Classic must be connected to earth ground for the
internal DC GFP to work.
With the exception of certain telecom applications, the Classic should never be positively
grounded.
The Classic equipment ground is marked with this symbol:
If damaged or malfunctioning, the Classic should only be disassembled and repaired by a
qualified service center. Please contact your renewable energy dealer/installer for
assistance. Incorrect re-assembly risks malfunction, electric shock, or fire.
The Classic is designed for indoor installation or installation inside a weatherproof enclosure.
It must not be exposed to rain and should be installed out of direct sunlight.
Turn off all circuit breakers, including those to the solar modules, batteries, and related
electrical connections before performing any maintenance.
Standards and Requirements
All installations must comply with national and local electrical codes; professional installation is
recommended. The NEC in the USA requires a DC ground fault interrupter for all residential PV
installations. The NEC requires an ARC FAULT detector on all charge controllers and inverters
operating above 80VDC. Both devices are built into the Classic.
The MidNite Solar Classic conforms to UL 1741, Safety for Inverters, Converters, Controllers and
Interconnection System Equipment for Use with Distributed Energy Resources, Second Edition, May 7,
1999 with revisions through January 28, 2010 and CAN/CSA C22.2 No. 107.1: 2001/09/01 Ed: 3
(R2006).
To Next Page
Loading...
