30
Fig. 51 — Heat Exchanger Access - Internal Panels, Center Post, and HX Rack Locations
Burners and Igniters
MAIN BURNERS
To access burners, remove burner access panel and slide out
burner partition. At the beginning of each heating season, inspect
for deterioration or blockage due to corrosion or other causes.
Observe the main burner flames and adjust, if necessary.
Orifice projection
Refer to Fig. 52 for maximum projection dimension for orifice
face to manifold tube.
Fig. 52 — Orifice Projection
HEAT EXCHANGER
SUPPORT RACK
UNIT
CENTER
POST
HEAT EXCHANGER
COVER PANEL
BURNER
PARTITION
PANEL
CAUTION
EQUIPMENT DAMAGE HAZARD
Failure to follow this CAUTION can result in premature
wear and damage to equipment.
When working on gas train, do not hit or plug orifice spuds.
ORIFICE
1.00-in
(25.4 mm)
MANIFOLD
PIPE
Summary of Contents for Preferred 581J04-14
Page 36: ...36 Fig 60 Integrated Gas Control IGC Board RED LED STATUS ...
Page 44: ...44 Fig 65 RTU Open Overlay for Economizer Wiring ...
Page 45: ...45 Fig 66 VFD Overlay for W2770 Controller Wiring ...
Page 100: ...100 Fig F 581J 08 09 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 101: ...101 Fig G 581J 11YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 102: ...102 Fig H 581J 12 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 103: ...103 Fig I 581J 04 06 YAC Power Diagram 208 230 1 60 APPENDIX D WIRING DIAGRAMS ...
Page 104: ...104 Fig J 581J 04 06 YAC Power Diagram 208 230 3 60 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 105: ...105 Fig K 581J 04 06 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 108: ...108 Fig N 581J 07 12A B C YAC Power Diagram 208 230 3 60 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 109: ...109 Fig O 581J 07 12A B C YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 110: ...110 Fig P 581J 08 09 YAC Power Diagram 230 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 111: ...111 Fig Q 581J 08 09 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 112: ...112 Fig R 581J 11 YAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 113: ...113 Fig S 581J 11 YAC Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 114: ...114 Fig T 581J 11 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 115: ...115 Fig U 581J 12 YAC Power Diagram 230 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 116: ...116 Fig V 581J 12 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 117: ...117 Fig W 581J 14 YAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 118: ...118 Fig X 581J 14 YAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 119: ...119 Fig Y 581J 14 YAC Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 120: ...120 Fig Z 581J 14 YAC Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 143: ...143 Fig AW RTU Open Wiring Diagram APPENDIX D WIRING DIAGRAMS ...
