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General| Manufacturer | ECR International |
|---|---|
| Model | Dunkirk PWB-5D |
| Category | Boiler |
| Fuel Type | Natural Gas |
| Input BTU/hr | 140, 000 |
| AFUE | 85% |
| Efficiency | 85 % |
Information regarding boiler input ratings adjustments for altitudes above 2,000 feet.
Guidance on selecting boiler location and required installation clearances.
Methods for providing adequate combustion air: indoor, outdoor, or combined.
Steps for installing the safety relief valve and its discharge piping.
Requirements for systems below 140°F, including mixing valve use.
Guidelines for connecting the boiler to cooling systems.
Procedure for attaching the vent damper to the boiler's flue outlet.
Steps for safely removing a boiler from a shared venting system.
Instructions for manually opening and closing the vent damper.
Guidelines for connecting the gas line, including fittings and safety rules.
Guidance on thermostat location and wiring to the boiler's aquastat.
Information on connecting the vent damper to the boiler's wiring harness.
Detailed wiring diagram for intermittent ignition systems.
Wiring diagram for standing pilot ignition systems.
Explanation of the safety relief valve's function and importance.
Details on the function and installation of expansion tanks.
Information on the role and connection of the circulator pump.
Description of the vent damper's purpose in improving efficiency.
Step-by-step guide for filling the boiler and radiation units with water.
Emergency procedures for detecting a gas leak.
Step-by-step guide for starting and operating intermittent ignition boilers.
General operation of automatic gas valve, safety pilot, and system self-checking.
Procedure for safely shutting off the gas supply.
Instructions for adjusting the pilot burner flame.
Guidance on observing main burner flames for proper combustion.
Recommended limit control settings for different heating units.
Instructions for testing and maintaining the safety relief valve.
Recommendations for checking flue passages and controls annually.
Importance of checking the vent pipe seasonally for leaks.
Diagnosing and resolving common heating issues.
Diagnosing and resolving noisy burner operation.
Steps for fixing a leaking relief valve.
List of parts for the boiler jacket, sections, and base assembly.
List of replacement parts for the burner assembly and gas manifold.
Part numbers for boiler controls, safety devices, and piping components.
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