A.O. Smith TC-049-R2 User Manuals

Table of Contents

• Terms

  1
• Tools

  2
• C-2 Circuit

  21
• C-2 Sequence of Operation

  22
• A-6 Circuit

  23
• Guidelines

  3
• A-6 Wiring Diagram

  24
• Installation

  5
• A-7

  25
• A-7 Wiring Diagram

  27
• Certification and Approvals

  29
• Simultaneous Dual Elements

  30
• Construction

  6
• C-2 Service

  31
• Control

  6
• C-2 Voltage Checks

  32
• Burner

  7
• C-2 Grounded Element Check

  34
• Normal Operations

  7
• A-6 Service

  35
• Temperature

  8
• A-6 Element Test

  35
• Gas

  8
• A-6 Voltage Check

  36
• Water Flow

  9
• A-6 Grounded Element Test

  38
• Service

  10
• A-7 Service

  39
• Procedures and Conditions

  11
• A-7 Element Test

  40
• Multiple Heater Piping

  14
• A-7 Voltage Checks

  41
• Exhaust Venting Notes

  15
• A-7 Grounded Element Test

  44
• Miscellaneous Information

  45
• Installation

  16
• Standard Illustrations

  17
• Guidelines

  18
• Elements

  19
• Thermostat

  20
• “Why water heaters leak” information

  47
• Water Hammer

  49
• Mineral Buildup

  50
• Aluminum Hydroxide

  51
• Discolored Water

  52
• Smelly Water

  53
• Chlorination Procedure

  54
• Not Enough Hot Water - Gas

  55
• Not Enough Hot Water – Electric

  56
• Thermal Expansion

  57
• Leaking Temperature and Pressure Relief Valve

  59