Do you have a question about the Aerco Modulex MLX-909 and is the answer not in the manual?
| Modulation | Yes |
|---|---|
| Fuel Type | Natural Gas or Propane |
| Input BTU/h | 900, 000 |
| Boiler Type | Condensing |
| Firing Rate | Modulating |
| Voltage | 120V |
Specific installation requirements for Massachusetts, including CO detectors and signage.
Specifies recommended location and minimum clearance requirements for service access.
Guidelines for proper connection of the vent pipe, adhering to category IV requirements.
Guidance on proper installation and sizing of vent and combustion air systems.
Details the components of the supplied CSD-1 manifold assembly for safety.
Instructions for proper electrical wiring and safety requirements for the boiler.
Covers required checks, tools for calibration, manometer installation, flue preparation, and gas pressure checks.
Procedures for periodically testing essential safety controls for proper operation.
Steps to identify, correct, and clear fault codes displayed by the controller.
Procedure to test the low gas pressure switch and verify shutdown response.
Methods for testing the low water level cutoff switch operation.
Procedure to test the over-temperature safety switch and shutdown function.
Tests to simulate flame loss during ignition and operation to check safety shutdowns.
Instructions for testing the ASME safety pressure relief valve.
Covers required and recommended tasks for yearly boiler maintenance.
Covers unit disassembly, burner module maintenance, flue collector, and reassembly.








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