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Section 3
Installation
Location Considerations
Mechanical Installation
MN1230
The location of the control is important. It should be installed in an area that is protected
from direct sunlight, corrosives, harmful gases or liquids, dust, metallic particles, and
vibration. Exposure to these can reduce the operating life and degrade performance of
the control.
CAUTION: Avoid locating control immediately above or beside heat generating
equipment, or directly below water or steam pipes.
CAUTION: Avoid locating control in the vicinity of corrosive substances or
vapors, metal particles and dust.
Several other factors should be carefully evaluated when selecting a location for
installation:
1.
For effective cooling and maintenance, the control should be mounted on a
smooth, non-flammable vertical surface. The amount of heat generated within
the control can be calculated based on Table 3-1.
2.
At least two inches top and bottom clearance must be provided for air flow.
3.
Altitude derating. Up to 3300 feet (1000 meters) no derating required. Above
3300 feet, derate the continuous and peak output current by 11% for each 3300
feet (1000 meters) above 3300 feet.
4.
Temperature derating. From 5 C to 40 C ambient no derating required.
Maximum ambient is 40 C.
Table 3-1 Control Efficiency
115 VAC / 230 VAC
>97%
Mount the control to the mounting surface. The control must be securely fastened to the
mounting surface. Use the two (2) mounting holes to fasten the control to the mounting
surface or enclosure.
The location of the mounting holes are shown in Section 7 of this
manual.
Installation 3-1
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