A.O. Smith T-H3M-DV-NG Water Heater Manuals

Manuals and User Guides for A.O. Smith T-H3M-DV-NG Water Heater. We have 1 A.O. Smith T-H3M-DV-NG Water Heater manual available for free PDF download: Service Handbook

A.O. Smith T-H3M-DV-NG Service Handbook

A.O. Smith T-H3M-DV-NG Service Handbook (76 pages)

Condensing, On-Demand

Brand: A.O. Smith | Category: Water Heater | Size: 5 MB

Table of Contents

Table of Contents
2
Specifications
4
Introduction
5
- General Installation Guidelines
  5
Normal Operation
6
- Activation
  6
- Operation
  6
- Shutdown
  6
Troubleshooting
7
- Preliminary Checklist
  7
  - Gas/Water/Electric
    7
  - Remote Controller
    7
  - High Altitude
    7
  - Long Vent Run
    7
  - Hard Water
    7
  - New Installations
    7
  - External Problem
    7
  - Next Step
    7
  - Water Is too Hot
    8
  - Temperature Fluctuates When a Fixture Is Opened
    8
  - Unit Does Not Ignite When Water Goes through It
    9
  - Abnormal Sounds Come from the Unit
    9
- Error Codes
  10
  - Abnormal Combustion
    10
  - Incorrect DIP Switch Settings
    12
  - Ignition Failure / Flame Loss
    12
  - Outlet Thermistor Failure
    13
  - Inlet Thermistor Failure
    13
  - Exhaust Thermistor Failure
    14
  - Air-Fuel Ratio Rod Failure
    14
  - Abnormal Solenoid Gas Valve
    14
  - Abnormal Fan Motor
    15
  - False Flame Detection
    16
  - Remote Control Problem
    16
  - Abnormal Exhaust Temperature
    17
  - Abnormal Combustion
    17
Dip Switch Settings
19
Wiring Diagram
22
Service Procedures
24
Maintenance
35
Component Diagrams/Item Numbers
67
Component Item Numbers
71

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