A.O. Smith 240 T-H3J Manuals

Manuals and User Guides for A.O. Smith 240 T-H3J. We have 1 A.O. Smith 240 T-H3J manual available for free PDF download: Service Manual

A.O. Smith 240 T-H3J Service Manual

A.O. Smith 240 T-H3J Service Manual (104 pages)

Brand: A.O. Smith | Category: Water Heater | Size: 6.63 MB

Table of Contents

240 (T-H3J), 340 (T-H3S) and 540 (T-H3) Models

2
- Specifications
  3
- Exterior View
  4
- Front View
  4
- Top View
  4
- Interior View
  6
- Schematic Diagram
  13
- Wiring Diagram
  14
- Operational Flow Chart
  20
10. Component Specifications

21
- Table of Contents
  21
- Fan Motor
  24
- Gas Valve Assembly
  25
- Flame Rod
  26
- AFR Rod
  27
  - Heat Exchanger
    28
  - Secondary Heat Exchanger
    30
- Flow Adjustment Valve
  32
- Flow Sensor
  33
- Bypass Valve
  34
- Thermistors
  36
  - Exhaust Thermistor
    37
- Hi-Limit Switch
  38
  - Freeze Protection Heaters
    42
  - Freeze Protection Thermostat
    45
  - Surge Box
    46
  - Controls and Settings
    58
  - Temperature Controller
    59
  - Afr Rod Function
    66
  - Dipswitch Settings
    67
  - Operation Time for Unit Rotation
    74
  - Adjusting Manifold Gas Pressure
    83
  - Manually Adjusting the Fan Motor Speed
    85
  - Freeze Protection System
    86
- Components Diagrams
  89
- Parts List
  93
- Revisions
  104

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