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General| Model | DM92SN |
|---|---|
| Heating Capacity | 40, 000 - 120, 000 BTU/h |
| Ignition Type | Direct Spark Ignition |
| Warranty | 10-Year Parts, Limited Lifetime Heat Exchanger |
| AFUE | Up to 92% |
| AFUE Rating | Up to 92% |
| Fuel Type | Natural Gas |
Key safety precautions including fire, explosion, and gas leak warnings.
Procedure for checking the unit upon arrival for shipping damage.
Steps to prevent damage to electronic components from static discharge.
Guidelines for selecting an appropriate installation site.
Minimum distances required around the furnace for safety and service.
Allowed furnace mounting orientations and configurations.
Ensuring adequate air for combustion and ventilation.
Guidelines for routing, sizing, and terminating vent and intake pipes.
Drain routing for vertical upflow installations.
Drain routing for vertical counterflow installations.
Details on connecting the furnace to the 115V power supply.
Requirements for gas supply, pressure, and piping connections.
Adjustments required for furnaces installed at high altitudes.
Steps and kits needed to convert the furnace for propane gas.
Information on air circulation, filters, and ductwork.
Step-by-step guide for initial furnace setup.
Overview of furnace functions and sequences.
Methods for measuring incoming gas pressure.
Procedure for measuring and adjusting gas manifold pressure.
Annual checks for furnace components and systems.
Final checks and homeowner orientation before leaving the site.
Explanation of LED display codes for furnace status.
Diagnostic codes and corresponding corrective actions.
Mandatory CO detector installation requirements for Massachusetts.
