d. Pictures.pdf

The document contains a series of technical equipment photographs showing four different pieces of industrial machinery and electrical control systems. Figure 1 depicts Compressor #1, a Frick rotary screw compressor manufactured in 2004, with detailed specifications including a volume ratio of 2-5-0 and maximum driver speed of 3600 RPM. Figure 2 shows a similar Compressor #2, also a Frick rotary screw compressor, with accompanying manufacturer certification plates. Figure 3 displays an Allen Bradley Powerflex electrical control system mounted in a metal enclosure, featuring a green digital display and multiple wiring connections. Figure 4 shows two identical Allen Bradley Powerflex units labeled as Condenser Fan 1 and Condenser Fan 2, mounted on a wooden backboard with control switches and digital interfaces. The images appear to be technical documentation of industrial refrigeration and electrical control equipment, likely part of a maintenance or replacement assessment.