Appendix B - Block Diagrams B-1
Appendix B Block Diagrams
5HTable B-1 describes available pneumatic and electrical block diagrams and dispensing system electronics
that may help in understanding dispensing system operation and aid in troubleshooting.
B.1 Safety First
Use of engineering drawings to disassemble, service, and reassemble the dispensing system promotes
good safety practices only when used in conjunction with the precautions in the Section 2 - Safety and
other sections of this manual.
CAUTION! Only trained service technicians should perform troubleshooting, servicing, and
parts replacement.
B.2 List of Pneumatic and Electrical Diagrams
Laminated 11" x 17" versions of diagrams referenced in 6HTable B-1 are included with the dispensing
system.
Table B-1 Block Diagrams
Drawing Number Title
7207632PD Pneumatic Diagram, Spectrum Series S-920
7207632BD Electrical Diagram, Spectrum Series S-920