Classic SL owner’s manual REV E 2056
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P a g e 1 0 - 0 0 1 - 3 R E V : E
This Manual covers
Classic 150-SL, Classic 200-SL and the Classic 250-SL
. It covers the installation, wiring and
use of the Classic charge controller.
WARNING
Warnings signs identify conditions or practices that could result in
personal injury or loss of
life.
CAUTION
Cautions identify conditions or practices that could result in
damage to the unit or other
equipment.
MIDNITE SOLAR CHARGE CONTROLLER INSTALLATION GUIDELINES AND SAFETY
INSTRUCTIONS
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unless superseded by local or national codes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 but are connected together 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 Charge Controller should
never
be positive grounded.
• The Charge Controller equipment ground is marked with this symbol:
• If damaged or malfunctioning, the Charge Controller should only be disassembled and repaired by a qualified
service center. Please contact your renewable energy dealer/installer for assistance. Incorrect reassembly risks
malfunction, electric shock or fire.
• The Charge Controller 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
.
For routine, user-approved maintenance:
• 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 GFP (Ground Fault
Protection) device is built into the Classic.
Summary of Contents for Classic 150-SL
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