Pro-face PS-4000B Series, User Manual

Page: 90 / 138

PS-4000B Series User Manual
90
Before Modifications
Overview
For detailed installation procedures for optional units, refer to the Installation Guide
included with the optional unit.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH

Remove all power from the device before removing any covers or elements of
the system, and prior to installing or removing any accessories, hardware, or
cables.

Unplug the power cable from both the PS-B unit and the power supply.

Always use a properly rated voltage sensing device to confirm power is off.

Replace and secure all covers or elements of the system before applying power
to the unit.

Use only 24 Vdc when operating the PS-B unit.
Failure to follow these instructions will result in death or serious injury.
DANGER
EXPLOSION HAZARD

Always confirm the ANSI/ISA 12.12.01 and CSA C22.2 N

213 hazardous
location rating of your device before installing or using it in a hazardous location.

To power on or power off a PS-B unit installed in a Class I, Division 2 hazardous
location, you must either:

Use a switch located outside the hazardous environment, or;

Use a switch certified for Class I, Division 1 operation inside the hazardous
area.

Do not disconnect equipment unless power has been switched off or the area
is known to be non-hazardous. This applies to all connections including power,
ground, serial, parallel, and network connections.

Never use unshielded / ungrounded cables in hazardous locations.

Use only non-incendive USB configuration.

When enclosed, keep enclosure doors and openings closed at all times to avoid
the accumulation of foreign matter inside the workstation.
Failure to follow these instructions will result in death or serious injury.
WARNING
RISK OF BURNING INJURY
During operation, surface temperatures of the heat sink may reach 70

C (158

F).
Do not touch the surface of the heat sink during operation.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.