SAF OP-STOP DCI - Manual (Page 16)

OP-STOP DC INJECTION BRAKE
Page 11
4 INSTALLATION AND START UP
4.1 INSPECTION
The OP-STOP has been packaged to protect it from damage caused by normal handling during
shipping; however mishandling may cause damage to the OP-STOP. Unpack the unit as soon
as it is received and check for any shipping or storage damages. If damage is found, notify the
carrier. Any damage claim must be filed by the customer since all shipments are F.O.B. SAF
plant unless otherwise specified.
If the OP-STOP is not installed when received, store it in a clean, dry, well ventilated area, free
from heat, humidity, oil, dust and metal particles.
4.2 SAFETY PRECAUTIONS
CAUTION
Equipment is at line voltage when AC power is connected. Pressing "STOP"
pushbutton does not remove AC mains potential. All phases must be
disconnected before it is safe to work on machinery or touch motor terminals or
control equipment parts.
CAUTION
Disconnect incoming voltage from unit before opening load side during DC
injection. Failure to observe this precaution can result in damage to
disconnecting device and/or bodily injury.
The electrical code requires all equipment, starter motor, operator station, brake, etc... to be
grounded properly. An incoming circuit breaker or disconnect switch must be locked open before
wiring and servicing this electrical brake, motor, or other related equipment. This equipment must
be installed and serviced only by qualified personnel, familiar with this unit. The user is
responsible for ensuring that proper short circuit protection is provided by either a circuit breaker or
HRC fuses.
4.3 MOUNTING GUIDELINES
Standard Nema 1 OP-STOP units must be installed indoors in a well ventilated area, free from
heat, humidity, oil, dust and metal particles.
One foot of clearance must be kept around the perimeter of the unit in a naturally cooled setup.
The equipment must be mounted away from any heat source. See Section 2 for additional
specifications and derating. Be aware that the heatsink may reach temperatures of 70°C /
158°F during normal operation. Do not install the unit in contact with any material that can not
accept this temperature.