Chapter 3 – ACS 502 Installation Instructions
3-2 ACS 502 Installation & Start-up Manual
If the heatsink is not cleaned and it is not able to dissipate the expended heat,
the ACS 502’s thermal protection will operate, causing a fault indication
which stops the drive. The ACS 502 can be started again when the
temperature of the heatsink has fallen below 167°F (75°C).
The temperature of the heatsink can be read from the Control Panel Display
Operating Data, Parameter 8 (Drive Temperature).
Mounting Area
Mounting the Control
When mounting the control take the following precautions.
• DO NOT mount in direct sunlight.
• DO NOT allow the ambient temperature around the ACS 502 to exceed
the ambient temperature as stated in Environment above.
• At least three (3) separate grounded conduits are required. One each for
input, output, and control wiring.
• NEMA 12 units require side clearance of 3” for replacing air filters.
Figure 3-1 shows the dimensions of the ACS 502.
Figure 3-1 ACS 502 Dimensions
Installation Site Power
The ACS 502 is designed for use on a three-phase system. Four wires (three
phase plus a ground wire) are required for the input wiring. Input and output
conductors, and branch circuit protection must be sized to local codes.
88.0 in*.
(2235.0 mm)
FRONTLEFT SIDE
VM AM1 AM2 SPM
PO TSS1
OPL BPL FPL
RESET
ABB Drives
23.622 in.
(600.0 mm)
23.622 in.
(600.0 mm)
27.559 in.
(700.0 mm)
82.0 in.
(2083.0 mm)
SS2
FRONT
VM AM1 AM2 S PM
PO TSS1
OPL
SS2
BPL FPL
RESET
ABB Drives
27.559 in.
(700.0 mm)
82.0 in.
(2083.1 mm)
88.0 in.*
(2235.0 mm)
* NEMA 12 96 in. (2438 mm)
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