9
Obstacle exists at four sides
a. Single unit installation
• Obstacles exists in the front ,back and flank (see Figure 9)
b. Group units installation (more than two units)
• Obstacles exists in the front ,back ,and flank. The units is installed at the same direction (see Figure 10)
• Obstacles exists in the front ,back ,and flank. The units is installed at the opposite direction 1 (see Figure 11)
• Obstacles exists in the front ,back ,and flank. The units is installed at the opposite direction 2 (see Figure 12)
• Obstacles exists in the front ,back ,and flank. The units is installed at the face-to-face direction (see Figure 13)
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
