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General| Brand | A.O. Smith |
|---|---|
| Model | GCV300 |
| Category | Water Heater |
| Language | English |
Details the Honeywell gas control valve, thermopile, and status light functions.
Specifies required gas pressures for natural and LP gas.
Explains how to adjust and the range of water temperature settings.
Describes the combustion chamber, flame arrestor, and the thermal cutoff switch (TCO).
Step-by-step guide for safely lighting the pilot light.
Troubleshooting steps when the status light doesn't blink after pilot ignition.
Troubleshooting steps when the pilot fails to ignite.
Steps to diagnose issues when the pilot is lit but the status light is not blinking.
Explains error codes indicated by the status light flashes.
Procedure to check proper venting and draft hood function.
Verifies integrity of wire and gas line connections.
Details how to measure gas supply and manifold pressures.
Measures thermopile voltage output when the pilot is lit (open circuit).
Measures thermopile voltage output when pilot is lit and connected to control.
Diagnoses and resolves issues when the water heater is not heating.
Identifies causes for insufficient hot water supply.
Explains how to identify and address water leaks from the tank or connections.
Provides solutions for water temperature exceeding desired levels.
Addresses causes for reduced hot water pressure.
Discusses causes and solutions for unpleasant water odors.
Step-by-step instructions for removing the manifold and burner components.
Details how to detach the burner from the manifold assembly.
Guide for removing and installing the pilot and thermopile components.
Procedure for inspecting and cleaning the base-ring filter.
Instructions for cleaning the combustion chamber and flame arrestor.
Steps for reinstalling the manifold and burner assembly.
How to verify the proper operation of the igniter system.
Detailed steps for removing and installing the gas control valve thermostat.
Procedure for draining and flushing the water heater tank.
Guidelines for assessing air supply needs for combustion and ventilation.
Discusses common issues and solutions for water heaters installed in attics.
Instructions for correctly installing draft hoods onto vent pipes.
Lists and describes the types of vent pipe discussed in this section.
Step-by-step guide for installing draft hoods and vent pipe connections.
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