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Details heating performance metrics like AFUE, input/output Btuh, and temp rise for various models.
Provides CFM data for heating and cooling at various DIP switch settings and static pressures.
Lists motor wattage consumption for cooling at different static pressures and speed settings.
Explains the electronic ignition process, including safety checks and inducer operation.
Explains how to select single-stage or two-stage thermostat operation using DIP switches.
Describes the seven-segment LED and push button for accessing diagnostic menus.
Provides instructions for accessing and clearing diagnostic error codes and flame signal data.
Details the procedure for setting the furnace model and capacity code for proper operation.
Information about the blower drive, its LED codes, and replacement procedure.
Provides steps to verify motor operation using a test meter and jumpers.
Details the SureLight ignitor, its construction, voltage, and resistance values.
Describes the flame sensor's location, function, and how to check its signal.
Information on the gas valve's safety features, replacement, and connections.
Explains the function and manual reset procedure for rollout switches.
Describes the primary limit switch, its function, and reset behavior.
Checks ignitor circuit resistance across specific terminals.
Checks ignitor resistance at the jack-plug for wiring integrity.
Checks ignitor voltage during its warm-up period.
Details the combustion air inducer motor and its housing assembly.
Explains the pressure switch connected to the inducer for safety monitoring.
Details required clearances for vent terminals in USA and Canada for non-direct vent systems.
Details required clearances for vent terminals in USA and Canada for direct vent systems.
Explains how to route and install condensate piping, including trap priming and drain connections.
Outlines essential pre-operation checks including electrical, gas, and condensate system inspection.
Provides step-by-step instructions for initiating heating operation and priming the condensate trap.
Explains the safe operation of the gas valve, including manual control and safety checks.
Lists common reasons for furnace failure to operate and initial troubleshooting steps.
Outlines procedures for safely testing gas lines and identifying leaks.
Describes how to measure gas supply pressure at the gas valve inlet.
General