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IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions that should be closely followed during installation and
maintenance of this Maintenance Bypass Cabinet.
This product is designed for commercial/industrial use only. This product is not intended for use with
life support and other designated “critical” devices. Maximum load must not exceed that shown on the
UPS and the Maintenance Bypass Cabinet rating label.
The Nfinity Maintenance Bypass Cabinet is designed for use on properly grounded (earthed)
208/240VAC, 60Hz supply, for installation by qualified personnel. This UPS equipment is intended to
be installed by a qualified / certified electrician who must review and approve customer supplied wir-
ing, circuit breakers, intended loads and verify correct input, output and grounded (earthed) connec-
tions to ensure compliance with technical standards and national and local electrical codes.
Installation instructions and warning notices are located in the Installation section of this manual.
Operate the UPS equipment in an indoor environment only in an ambient temperature range of 32°F
to 104°F (0°C to 40°C). Install it in a clean environment, free from conductive contaminants, mois-
ture, flammable liquids, gases, or corrosive substances.
Never block or insert any object into the ventilation holes or other openings.
!
WARNING
Lethal voltages may be present within this unit even when it is apparently not operating.
Observe all cautions and warnings in this manual. Failure to do so may result in serious
injury or death. Never work alone.
!
WARNING
To reduce the risk of fire:
• The NMB1x and NMB4x models must be connected to a circuit provided with 100 amperes
maximum branch circuit overcurrent protection in accordance with applicable national and
local electrical codes.
• The NMB5x and NMB8x models must be connected to a circuit provided with 125 amperes
maximum branch circuit overcurrent protection in accordance with applicable national and
local electrical codes.