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Boiler must be installed and operated by qualified personnel per codes and safety programs.
Personnel must be familiar with boiler construction, controls, operation, and safety precautions.
Customer responsibility to maintain safety features like guards, labels, and controls.
Identifies safety labels affixed to the boiler and how to obtain replacements.
Provides guidance on suitable location, working space, clearances, ventilation, and lighting.
Warning about electrical hazards and the need for lockout/tagout procedures.
Details hazards related to fire, explosion, incorrect fuels, and overfiring.
Addresses lifting hazards and bump hazards from overhead piping.
Discusses environmental and chemical hazards from cleaning products and hydraulic oil.
Warns about hot fluids and the importance of testing safety relief valves.
Covers tripping hazards from piping and slip hazards from wet surfaces or condensation.
Initial inspection and guidelines for storing the boiler prior to installation.
Boiler compliance with standards and requirements for installation.
Guidance on foundation requirements and boiler placement for proper operation.
Details minimum clearances required from combustible surfaces, walls, ceiling, and obstructions.
Boiler wired for 120V; requires external disconnect with overload protection.
Requirements for clean combustion air and boiler room pressure.
Venting must comply with codes; suitable for Type "B" vent.
Recommendations for vent turn configurations for optimal operation.
Information on the optional barometric damper and its installation.
Guidelines for connecting the boiler to the vent system.
Specifies minimum vent height and requirement for a weather cap.
Procedures for removing an old boiler from a common venting system.
Ensure correct fuel type; protect ignition system from water; pressure test connections.
Pressure-test connections, check for leaks. Disconnect boiler during high-pressure testing.
Explains factory-piped bleed vents and need for external venting for regulator.
Provide drip leg, pitch vent lines up, vent regulator to outdoor air per code.
Guidance on system design, connections, and component installation.
Ideal 20°F differential; avoid insufficient flow and condensation.
Pipe chilled medium in parallel; use valves to prevent chilled water entry.
Use flow control valves to prevent gravity circulation during cooling cycles.
Connect system return to boiler inlet and supply to boiler outlet. Use unions and valves.
Recommendations for strainer, relief valve, low water cutoff, and drain valve installation.
Procedures for flushing the system and filling the boiler to remove air.
Inspection of burners, pilot line, and ignition electrode.
Items to check before attempting to start the boiler.
Perform safety checks before normal operation. Refer to operation/lighting sections.
Procedure to test ignition safety shutoff by disconnecting wires and cycling burner.
Test procedure for the flow-switch type low water cutoff.
Test the high-limit control by adjusting thermostat to shut off the burner.
Test the low gas pressure switch by closing the main gas cock.
Adjustments for operating temperature controller and gas/air flow.
Explains programming set points and differentials for two-stage operation.
How to adjust gas pressure using the regulator, referencing the rating plate.
Air flow is factory pre-set but may need local adjustment by qualified personnel.
Familiarization with the control panel and its indicator lights.
Warning about using the boiler if submerged; call technician.
Step-by-step instructions for lighting the burner.
Procedures for safely shutting down the boiler, closing gas valves and power.
Immediate actions for emergency shutdown, including closing gas valves.
Table showing input ratings, gas rates, pressures, and output capacities.
Schedule and guidelines for routine maintenance and inspections.
Daily checks include observing conditions, air flow, and indicators. Keep area clear.
Weekly checks involve observing pilot and main flame patterns for correctness.
Monthly tests include flame detection, high-limit control, temp controls, and flue gas temp.
Semi-annual tasks include cleaning blower fan, inlet screen, and burner. Inspect burner.
Annual tasks include cleaning burner, inspecting chamber, heat exchanger, and venting.
Procedures for semi-annual and annual burner cleaning.
Step-by-step instructions for removing the heat exchanger, with a weight warning.
Follow pre-start checklist, check gas pressure, air flow, and perform combustion check.
Explains the sequence of operations indicated by control panel lights and conditions.
Guides troubleshooting for common issues like power loss, water flow, gas pressure, and flame failure.
Introduction to wiring and control schematic diagrams for different models.
Schematic showing electrical connections for On-Off boiler control.
Logic diagram illustrating the control sequence for On-Off boilers.
Schematic showing electrical connections for On-Off IRI boiler control.
Logic diagram illustrating the control sequence for On-Off IRI boilers.
Schematic showing electrical connections for Lo-Hi-Lo boiler control.
Logic diagram illustrating the control sequence for Lo-Hi-Lo boilers.
Schematic showing electrical connections for Lo-Hi-Lo IRI boiler control.
Logic diagram illustrating the control sequence for Lo-Hi-Lo IRI boilers.
Diagram for On-Off Low Water Cut-Off.
Diagram for Lo-Hi-Lo Low Water Cut-Off.
Identifies main assembly components for On-Off and Lo-Hi-Lo models.
Identifies components of the On-Off and Lo-Hi-Lo control panels.
Lists and illustrates components of the gas train for various boiler models.
Illustrates and lists parts related to the boiler's interior and exterior cabinets.
Details the warranty period, limitations, and exclusions for product defects.
Disclaims implied warranties and limits liability for consequential damages.
General| Type | Condensing Boiler |
|---|---|
| Fuel Type | Natural Gas or Propane |
| ASME Construction | Yes |
| Construction | Stainless steel heat exchanger |
| Heating Capacity | 50, 000 - 399, 000 BTU/h |
| Efficiency | Up to 96% |
| Operating Pressure | Up to 160 psi |
