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General| Model | Benchmark 2.0 |
|---|---|
| Category | Boiler |
| Fuel Type | Natural Gas or Propane |
| Type | Condensing |
| Input Capacity | 2, 000, 000 BTU/h |
| NOx Emissions | <20 ppm |
| Operating Pressure | 160 psi |
| Vent Diameter | 6 inches |
General warnings and cautions for safe installation and operation of the boiler unit.
Procedures for emergency shutdown and identifying critical shutoff devices.
Requirements for selecting a suitable installation site, including power and gas access.
Minimum clearances required around the boiler for service and maintenance.
Guidelines for gas supply piping design, installation, and safety precautions.
Instructions for connecting AC power wiring to the unit, consulting wiring guides.
Guidelines for flue gas vent and combustion air system design and installation.
Requirements for supplying combustion air, including types and locations.
Explanation of the menu structure, options, and password protection.
Step-by-step guide on navigating and using the control panel menus.
Explanation of the Configuration Menu for adjusting operating parameters.
Details on the Combustion Calibration Menu for optimizing efficiency.
Step-by-step description of the boiler's start sequence and safety checks.
Key requirements for initial start-up, including installation and calibration.
List of necessary tools and instruments for performing combustion calibration.
Procedure for performing natural gas combustion calibration and verifying readings.
Procedure for performing propane combustion calibration, similar to natural gas.
Description of automatic and manual reset over-temperature limit switches.
Importance of periodic testing for controls and safety devices to ensure proper operation.
Procedure to simulate and test the low gas pressure fault condition.
Procedure to simulate and test the high gas pressure fault condition.
Procedure to simulate and test the low water level fault condition.
Procedure to simulate and test high water temperature fault conditions.
Procedures to simulate and test flame faults during ignition and run.
Tests for blower proof switch and blocked inlet switch operation.
Safety precautions to be observed during testing and maintenance.
