Pentair 920 Series - Page 3

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INDUSTRIAL HEAT TRACING SOLUTIONS
Section 6 – Troubleshooting ..........................................................................................................................53
6.1 Operator Checks .........................................................................................................................53
6.2 Common Problem Areas ............................................................................................................. 53
6.3 Common Alarms—What to look for ............................................................................................ 56
6.3 Common Alarms—What to look for(Continued) ......................................................................... 57
6.3 Common Alarms—What to look for(Continued) ......................................................................... 58
Section 7 – Maintenance ................................................................................................................................59
7.1 Operator Maintenance ................................................................................................................. 59
7.2 Replaceable Parts ....................................................................................................................... 59
Appendix A Specifications .............................................................................................................................. 60
Appendix B Typical Enclosure Dimensions ................................................................................................... 62
B.1 Single-Point Assemblies #10160-003 and #10160-009 ............................................................. 62
B.2 Dual-Point Assemblies #10160-120 and #10160-121 ................................................................63
B.3 Four-Point Assembly #10160-125 ............................................................................................... 64
B.4 Eight-Point Assembly #10160-035 .............................................................................................. 65
B.5 Twenty-Point Assembly #10160-045 ........................................................................................... 66
Appendix C Wiring Diagrams .........................................................................................................................67
C.1 TS Wiring ..................................................................................................................................... 67
C.1.2 100Ω NICKEL IRON RTD WIRING .............................................................................................. 68
C.2 Power Wiring ................................................................................................................................69
C.3 Communication Wiring C.3 Communication Wiring ....................................................................70
C.4 Alarm Output Wiring .................................................................................................................... 70
C.5 External Input/Output Port Wiring ...............................................................................................72
Appendix D HTC Load Shedding Sequence ....................................................................................................73
Appendix E 100 Ω Platinum RTD Table ..........................................................................................................74
Appendix F 100 Ω Nickel-Iron RTD Table .......................................................................................................75
Appendix G Factory Default/Configuration Sheets ........................................................................................76
G.1 Configuration Sheet V3.00 ...........................................................................................................76
G.2 920 Series HTC Configuration Sheet V3.1X and V3.2X................................................................. 79