Rockwell Automation 1302 575v AC Drive - Canada Only - Manual (Page 22)

3–4 1302 Preinstallation
Publication 1302-5.0 — January, 1998
Be sure there is adequate clearance for air ventilation around the
Drive. For best air movement, do not mount 1302 Drives directly
above each other. Note that no devices are to be mounted behind the
Drive. This area must be kept clear of all control and power wiring.
See Table 3.A for a listing of the recommended air flow clearances.
Table 3.A - Air Flow Clearance s
Enclosure
B C
Minimum distance from the sides of the drive if adjacent to non-heat producing
equipment 102 mm
(4”)
102 mm
(4”)
Minimum distance from the top and bottom of the drive if adjacent to non-heat
producing equipment 102 mm
(4”)
102 mm
(4”)
Minimum distance from the sides of the drive if adjacent to other drives 102 mm
(4”)
102 mm
(4”)
Minimum distance from the top and bottom of the drive if adjacent to other drives 254 mm
(10”)
254 mm
(10”)
Verifying the Drive’s Power Loss Ratings
When installing a 1302 Drive inside of another enclosure, you
should consider the Drive’s watts loss rating shown in Table 2.A.
This table lists the typical full load power loss watts value under all
operating carrier frequencies. Ensure adequate ventilation is
provided based on the Drive’s watts loss rating.
Evaluate the following areas of Drive wiring before you start the
installation: size of available conduit, size of power and control
wiring, and motor lead lengths.
Verifying Conduit Sizes
It is important to determine the size of the conduit openings
accurately so that the wire planned for a specific entry point will fit
through the opening. Figures 4.1 and 4.2 detail conduit opening
sizes.
Recommended Power Wire Sizes
Size input power wiring according to applicable codes to handle the
Drive’s continuous-rated input current. Size output wiring according
to applicable codes to handle the Drive’s continuous-rated output
current. Table 3.B provides recommended power wiring sizes. Use
only copper wire with a minimum temperature rating of 60/75
°
C.
Table 3.C contains the recommended tightening torque values for all
power wiring terminals.
Cooling Airflow
Wiring Requirements