Related Manuals for A.O. Smith BTH 150
Summarization of Contents
Introduction and Qualifications
Service Handbook Overview
Purpose and scope of the BTH service handbook.
Required Tools and Skills
Essential tools and qualifications for BTH water heater servicing.
Installation and Air Requirements
Exterior Vent Clearances
Specifications for vent terminal placement relative to doors, windows, and grade.
Combustion Air Requirements
Minimum air volume and opening size for proper combustion.
Sequence of Operation
Operational Flowchart
Diagram showing the step-by-step process of the water heater's operation.
Pressure Switch Functionality
Explanation of how pressure switches function within the operational sequence.
Troubleshooting Procedures
Pre-Service Checks and Continuity Tests
Initial checks and continuity testing for troubleshooting BTH heaters.
Voltage and Gas Pressure Diagnostics
Diagnostic tests for electrical voltage and gas pressure.
BTH Error Codes Explained
Interpreting and resolving common error codes for BTH water heaters.
Component Information and Parts
Gas Valves, Igniters, and Orifices
Part details for gas valves, igniters, and orifice specifications.
Wiring Diagrams and Service Aids
Wiring diagrams and general servicing tips for BTH units.
Comprehensive Parts Lists
Detailed parts lists for BTH-120, 150, 199, and 250 models.
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