3inch Helical Rotor Pumps Series
5. Mechanical and Electrical Installation
5.1 Outline &installation dimensions diagram
5.2 Mechanical Installation
1.
Overheat protection
The protection level of SK-197K Series solar pump controller reached IP67; if installed in the outdoor, the
controllers should be installed in a well ventilated place, and avoid direct sunlight and rain. The best installation
location is below the solar array, which can prevent the equipment from overheating and performance degradation. In
extremely high temperature, high temperature may cause the controller stop to protect itself.
2.
Location Selection
The SK-917K Series solar pump controller is intended for operation in ambient temperatures up to 60
℃
, but in
order to avoid overheating caused by the failure, it is recommended to install the controller in the shadow position.
The SK-917K Series solar pump controller must be installed into a control box which has a tight enclosure to avoid
direct sunshine, rain, dust, moisture, animals, plants, etc. The control box should have a bottom gland plate for installing
wire cord or conduit. To decide the size of control box, Please refer to the following Figure 4.
Figure4. Control Box Location
Figure5. Ventilation Arrangement and Required Distances
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