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INSTALLATION GUIDELINES AND IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This product is intended to be installed as part of a permanently grounded electrical system
as shown in the system con guration sections of this manual with the following important
restrictions:
• The negative battery conductor should be bonded to the grounding system at only one point in the
system. If a GFP (Ground Fault Protector) is present, the battery negative and ground are not bonded.
• With the exception of certain telcom applications, the MX60 should never be positive grounded (see
page 61, Applications Notes).
• The equipment ground on the MX60 is marked with this symbol:
• If damaged or malfunctioning, the MX60 should only be disassembled and repaired by a
quali ed service center. Please contact your renewable energy dealer/installer for assistance.
Incorrect reassembly risks malfunction, electric shock or re.
• The MX60 is designed for indoor installation or installation inside a weatherproof enclosure. It must not be
exposed to rain and should be installed away from direct sunlight.
• For routine, user-approved maintenance:
Disconnect all circuit breakers and related electrical connections before doing any cleaning
or adjustments.
Solar modules may produce hazardous voltages when exposed to light; unless
servicing them at night, cover the modules with opaque material before servicing any
connected equipment.
Standards and Requirements
All installations must comply with national (NEC) and/or local electrical codes; professional installation
is recommended.
DC and Battery-Related Installation Requirements:
• All DC cables must meet NEC standards or applicable local code standards.
• Shut o all DC breakers before connecting any wiring.
• Torque the four-position terminal block and ground terminals to 30 inch pounds/4Nm.
• All wiring must be rated at 75° C or higher.
• Use up to 2 AWG (6.54 mm) to reduce losses and ensure high performance of MX60 (smaller cables
can reduce performance and possibly damage the unit).
• Keep cables together (e.g., using a tie-wrap) as much as possible.
• Ensure both cables pass through the same knockout and conduit ttings to allow the inductive cur-
rents to cancel.
• DC battery over-current protection must be provided as part of the installation. OutBack o ers both
breakers and fuses for over-current protection.