Install Instructions

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Appendix A - Figures (continued)
Figure
Number
Page
Number
Description
Section IV - Venting (continued)
Figure 16C 37 Flexible M&G/DuraVent PP Vent in UNUSED B-vent with Integrated Combustion Air Intake
Figure 16D 38 Flexible Centrotherm PP Vent in UNUSED B-vent with Integrated Combustion Air Intake
Figure 17 44 Field Installation of Two-Pipe Vent System Adapter for Stainless Steel
Figure 17A 44 Flexible Stainless Steel Vent in UNUSED Masonry Chimney with Separate Combustion Air Intake
Figure 18 51 Multiple Boiler Direct Vent and Air Intake Terminations
Section V - Condensate Disposal
Figure 19 53 Condensate Trap and Drain Line
Section VI - Water Piping and Trim
Figure 20 54 Factory Supplied Piping & Trim Installation
Figure 21 60 Near Boiler Piping - Heating Only
Figure 22 61 Near Boiler Piping - Heating Plus Indirect Water Heater
Figure 23 62 Isolation of the Boiler From Oxygenated Water with A Plate Heat Exchanger
Figure 24A 64 Multiple Boiler Water Piping w/Domestic Hot Water Heater (Page 1 of 2)
Figure 24B 65 Multiple Boiler Water Piping w/Domestic Hot Water Heater (Page 2 of 2)
Figure 25A 66 Alternate Multiple Boiler Water Piping w/ Indirect Domestic Hot Water Heater (Page 1 of 2)
Figure 25B 67 Alternate Multiple Boiler Water Piping w/Indirect Domestic Hot Water Heater (Page 2 of 2)
Section VII - Gas Piping
Figure 26 72 Recommended Gas Piping
Section VIII - Electrical
Figure 27 76 & 77 Wiring Connections Diagram
Figure 28 79 Ladder Diagram
Figure 29A 79
Modied Wiring For DHW Priority When Using Low Flow Circulator Piped Off System Header -
Heating (with Central Heating Circulators) Plus Alternately Piped Indirect Water Heater
Figure 29B 80
DHW Priority/Circulators (with Zone Panel) Piped Off System Header Wiring Schematic for Heating
Zone Circulators
Figure 29C 81
Multiple Boiler Wiring Diagram, Internal Sage2.2 Multiple Boiler Control Sequencer (Three Boilers
Shown, Typical Connections for up to Eight Boilers)
Figure 29D 82 Boiler-to-Boiler Communication (Control Zone Panel)
Figure 30 83
Modied Wiring For DHW Priority When Using Low Flow Circulator Piped Off System Header -
Heating (with Central Heating Zone Valves) Plus Alternately Piped Indirect Water Heater
Figure 31A 84 Multiple Boiler Wiring Diagram w/Tekmar 265 Control
Figure 31B 85 Multiple Boiler Wiring Diagram w/Tekmar 264 Control
Figure 32 86 Recommended “Immersion” Type Header Sensor Installation Detail
Figure 33 86 Alternate “Strap-on” type Header Sensor Installation Detail
Figure 34 87 RJ45 Splitter Installation Detail
Section IX - System Start-Up
Figure 35 89 Operating Instructions
Figure 36 90 Burner Flame
Figure 37 93 Dungs Gas Valve Detail