SN55, SN55S, SN55V, SN75, SN75S, SN75V User Manual
1: Safety
02250247-571 R04
Subject to EAR, ECCN EAR99 and related export control restrictions.
12
1.13 Safety decals
CAUTION
Install the variable speed drive in a well venti-
lated room that is not subject to temperature
extremes, high humidity, or condensation, and
avoid locations that are directly exposed to sun-
light, or have high concentrations of dust, corro-
sive gas, explosive gas, inflammable gas,
grinding fluid mist, etc. Improper installation may
result in a fire hazard.
CAUTION
Make sure that no power correction capacitors
are connected to the variable speed drive output
or the motor terminals to prevent variable speed
drive malfunction and potential damage.
CAUTION
Make sure that the variable speed drive output
terminals (U, V, W) are not connected to the util-
ity line power as severe damage to the VSD may
occur.
NOTE
Interior electrical wiring is performed at the fac-
tory. Required customer wiring is minimal, but
should be done by a qualified electrician in com-
pliance with OSHA, National Electrical Code,
and/or any other applicable State, Federal, and
local electrical codes concerning isolation
switches, fused disconnects, etc. Sullair pro-
vides a wiring diagram for use by the installer.
NOTE
Customer must provide electrical supply power
disconnect within sight of machine.
WARNING
Auto start hazard
This machine is equipped with an
auto start sequence that will start
the unit when power is restored
after a power failure or as part of
automatic operation, which can
result in serious injury or death.
Do not attempt to make any adjustments or per-
form any maintenance on this machine without
disconnecting both main line and control circuit
electrical power and follow all of your company’s
prescribed safety practices for electrical equip-
ment.
