DIAGNOSTIC MANUAL SR-2 Single Temp Microprocessor Control System TK 51727-2-OD Rev 1 (09/08) Part 1 – (Sections 1-5) Part 2 – (Sections 6-8) Base Controller/Interface Board Hardware Versions SR-2/A, SR-2/B and SR-2/C HMI Control Panel Versions HMI-1 and HMI-2 and Base Controller Software Revisions through B007 HMI Control Panel Software Revisions through 6512/6612/6712 Used on: SB-110 SB-210 SB-310 SL-400e SLX-100 SLX-200 SLX-400 This is the same manual dealers use. Complete SR-2 manual. 685 pages. Includes complete set of wiring diagrams.