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Explains the GSR14's unique pulse combustion process, including latent heat extraction and water condensation.
Illustrates and labels the various components of the GSR14 unit for easy identification.
Provides detailed technical data, including input/output Btuh, efficiency, and electrical characteristics for each model.
Details the make-up box contents, including transformer, relays, and the Fan/Limit control.
Describes the secondary limit safety device and various ignition control systems used in the unit.
Explains the primary control's functions, including normal and retrial ignition sequences and timings.
Compares the specific ignition timings for Lennox GC-1, Watsco, and Gas Energy controls.
Details the gas valve, expansion tank function, and procedures for converting to L.P. gas.
Explains the function of the differential pressure switch and the gas intake flapper valve.
Describes components related to airflow, including the intake blower, flapper valve, combustion chamber, and heat exchanger.
Covers spark plug and sensor specifications, and blower motor and capacitor details.
Details the step-by-step sequence of operation during a heating cycle, from thermostat demand to post-purge.
Provides guidelines for safely transporting, supporting, and mounting the unit, including drain pan requirements.
Specifies the critical airflow direction (right to left) for horizontal mounting to ensure proper condensate drainage.
Illustrates various typical installation setups, including downflow, suspended, and attic configurations.
Covers installation of condensate lines, heat cable, drip leg traps, and ball float traps.
Details field wiring connections to terminal strips and the overall wiring diagram for the unit.
Outlines requirements for mufflers, insulation, and intake/exhaust pipe terminations, including concentric and standard types.
Covers scheduled maintenance tasks for the blower, filters, controls, and electrical components.
Details key operating parameters like manifold pressure, flame signal, exhaust data, and safety shutdown conditions.
Discusses internal temperatures, condensate pH, acceptable input range, and how to measure gas input flow.
Provides guidance for the initial startup of a new unit, including potential ignition cycles.
Outlines common problems, troubleshooting categories, and essential cautions before servicing the unit.
Details procedures for inspecting and testing the air and gas flapper valves, and checking the gas orifice.
Addresses specific problems like continuous blower operation, lack of airflow, and abnormal sounds.
A step-by-step flowchart to diagnose why the unit will not run, starting with electrical checks.
Flow charts for diagnosing gas supply, spark issues, and potential exhaust gas recirculation problems.
Flow charts for diagnosing specific issues like sputtering starts, short run times, and premature shutdowns.
Describes the low ambient thermostat kit and its operating sequence to prevent short-cycling.
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