3:1
3: Install the Drive
DANGER
ONLY QUALIFIED ELECTRI-
CAL PERSONNEL FAMILIAR
WITH THE CONSTRUCTION
AND OPERATION OF THIS
EQUIPMENT AND THE HAZ-
ARDS INVOLVED SHOULD
INSTALL, ADJUST, OPER-
ATE, AND/OR SERVICE THIS
EQUIPMENT. READ AND UN-
DERSTAND THIS MANUAL IN
ITS ENTIRETY BEFORE
PROCEEDING. FAILURE TO
OBSERVE THESE PRECAU-
TIONS COULD RESULT IN
SEVERE BODILY INJURY OR
LOSS OF LIFE.
WARNING
THE USER IS RESPONSIBLE
FOR ENSURING THAT DRIV-
EN MACHINERY, ALL DRIVE-
TRAIN MECHANISMS, AND
PROCESS LINE MATERIAL
ARE CAPABLE OF SAFE OP-
ERATION AT AN APPLIED
MOTOR SPEED OF 3000
RPM. FAILURE TO OBSERVE
THIS PRECAUTION COULD
RESULT IN BODILY INJURY.
Note:
This equipment generates,
uses, and can radiate radio
frequency energy, and if not
installed and used in accordance
with this instruction manual, may
cause interference to radio
communications.
Plan and Perform
the Installation
Read and understand this chapter
in its entirety before beginning the
actual installation. Follow these
guidelines and procedures to
minimize both installation and
operating problems.
The controller is shipped standard
as a chassis and is fully
assembled for mounting in an
enclosure. An enclosed controller
is available as a sales order and is
shipped fully assembled in its own
enclosure.
Select the Controller
Location
1. Verify that the controller can be
kept clean, cool, and dry.
2. Make sure the selected
location is away from oil,
coolant, corrosive gas, metal
powder, other airborne
contaminants, and direct
sunlight.
3. Check that the controller will
not be exposed to excessive
vibration and noise nor be near
instruments that are very
sensitive to electrical noise.
4. Check that temperatures in the
controller vicinity are between
0
o
C to 55
o
C (32
o
F to 131
o
F)
for chassis controllers and 0
o
C
to 40
o
C (32
o
F to 104
o
F) for
enclosed controllers.
5. Check that relative humidity is
between 5% and 95%
(noncondensing).
6. Do not install above 3300 feet
(1000 meters) without derating.
For every 1000 feet above
3300 feet, derate the current
rating 4%. Contact your
Reliance Electric Sales Office
for installations above 5000
feet.
Install the Controller
CAUTION
Complete all drilling, cutting,
welding, etc., before mounting
the controller. During installa-
tion protect the controller from
metal chips, weld splatters and
other debris. Failure to observe
these precautions could result
in damage to, or destruction of,
the equipment.
Install the Chassis Controller
1. In the location selected, mount
the enclosure in which the
controller will be mounted.
2. See Figure 3-1 for controller
mounting dimensions. Note
that the regulator panel swings
90 degrees to the right.
3. Make sure the controller will
have adequate air ventilation:
•
At least 4 inches clearance
from the top and bottom of
the controller to adjacent
non-heat producing
equipment. When designing a
ventilating system or sizing a
non-ventilated enclosure,
consider the energy
dissipation of all components
within the enclosure. The
heat dissipation for the
controller is as follows:
Controller
Power Loss
Horsepower
(watts)
7 1/2
375
15
750
•
At least 2 inches clearance
from the side of the controller
to the enclosure side wall.
•
At least 1 inch between
multiple controllers. Note,
however, that the hinged
panel must be open during
startup procedures and
troubleshooting for monitoring
various signals from points on
the regulator board.
4. Make sure that the enclosure
door or other components will
not hinder service access.
5. Mount the controller directly to
the enclosure mounting panel.
Vertical mounting is
recommended for ease in
reading labels. Standoff
hardware is not necessary.
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