4 103448-07- 1/16
TABLE OF CONTENTS
I. Product Description, Specications and Dimensional Data...................... 5
II. Unpacking Boiler........................................................................................ 9
III. Pre-Installation and Boiler Mounting ........................................................ 10
IV. Venting...................................................................................................... 17
A. General Guidelines............................................................................... 18
B. CPVC/PVC Venting.............................................................................. 22
C. Polypropylene Venting......................................................................... 35
D. Stainless Steel Venting........................................................................ 43
E. Removing the Existing Boiler............................................................... 48
F. Multiple Boiler Installation Venting....................................................... 50
V. Condensate Disposal................................................................................. 52
VI. Water Piping and Trim............................................................................... 54
VII. Gas Piping ............................................................................................... 70
VIII. Electrical ................................................................................................... 74
IX. System Start-up ....................................................................................... 88
1. Operation...................................................................................................... 96
A. Overview............................................................................................... 96
B. Supply Water Temperature Regulation................................................ 97
C. Boiler Protection Features.................................................................... 98
D. Multiple Boiler Control Sequencer........................................................ 99
E. Boiler Sequence of Operation.............................................................. 100
1. Normal Operation........................................................................... 100
2. Using The Display.......................................................................... 101
3. Status Screens.............................................................................. 102
4. Detail Screens............................................................................... 104
5. Multiple Boiler Sequencer Screens................................................ 105
F. Changing Adjustable Parameters........................................................ 106
1. Entering Adjust Mode.................................................................... 106
2. Adjusting Parameters..................................................................... 107
XI. Service and Maintenance ........................................................................ 124
XII. Troubleshooting........................................................................................ 131
XIII. Repair Parts ............................................................................................. 136
Appendix A - Figures................................................................................ 146
Appendix B - Tables.................................................................................. 149
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