A.O. Smith GDHE-50 SERIES User Manual

Name: A.O. Smith GDHE-50 SERIES
Brand: A.O. Smith
Rating: 4 (1 reviews)

60 pages

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GENERAL SAFETY INFORMATION

For Your Safety1
Table of Contents2
Safe Installation, Use and Service3
Approvals3
General Safety Information4
- Precautions4
- Grounding Instructions4
- Hydrogen Gas Flammable4
Introduction7
- Abbreviations Used7
- Qualifications7
- Icomm™ & Bacnet Compatible7
- Preparing for the Installation7
Dimensions and Capacity Data8
- Rough in Dimensions: 50 Gallon Unit8
- Rough in Dimensions: 75 Gallon Unit8
Features and Components10
- Controls and Switches13
Installation Considerations14
- Locating the Water Heater14
- Insulation Blankets15
- Combustion Air and Ventilation15
- Unconfined Space16
- Confined Space16
- Fresh Air Openings for Confined Spaces16
- Outdoor Air through Two Openings16
- Outdoor Air through One Opening16
- Outdoor Air through Two Horizontal Ducts17
- Air from Other Indoor Spaces17
Installation Requirements18
- Chemical Vapor Corrosion18
- Water Piping18
- Power Supply18
- Mixing Valves19
- Gas Piping19
- Gas Supply Systems20
- Gas Pressure Requirements20
- Supply Gas Regulator20
- Space Heating and Potable Water System21
- Closed Water Systems21
- Thermal Expansion21
- Temperature-Pressure Relief Valve22
- Condensate Piping23
- High Altitude Installations23
- Filling the Water Heater23
Installation Requirements for the Commonwealth of Massachusetts24
Venting Installation25
- Vent Installation Considerations25
- Polypropylene Installations26
- Vent Pipe Termination27
- Planning the Vent System27
- Installation of Horizontal through the Wall Vent System27
- Direct Vent Terminal Installation28
- Installation Sequence28
- Termination Clearances Sidewall Power Vent29
- Termination Clearances Sidewall Direct Vent30
- Vertical Vent Terminal Installation31
- Direct Vent Diagram32
- Concentric Vent Installation33
- Low Profile Termination Installation36
Lighting and Operation Labels37
Temperature Regulation38
Control System Operation39
- Overview39
- Control System Navigation39
- User Settings & Control System Menus42
  - Blocked Exhaust45
  - Restore Factory Defaults45
For Your Information47
- Start up Conditions47
- Operational Conditions47
Periodic Maintenance48
- Venting System Inspection48
- Anode Rod INSPECTION48
- Powered Anode Rod (Optional Models)49
- Temperature-Pressure Relief Valve Test49
- Draining and Flushing49
- Service50
Leakage Checkpoints51
Troubleshooting52
- Installation Checklist52
- Sequence of Operation52
- Sequence of Operation Flow Chart53
- Operational Problems54
- Fault and Alert Conditions55
Wiring Diagram58

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A.O. Smith GDHE-50 SERIES Specifications

General

Brand	A.O. Smith
Model	GDHE-50 SERIES
Category	Water Heater
Language	English

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A.O. Smith GDHE-50 SERIES User Manual

Table of Contents

Questions and Answers:

A.O. Smith GDHE-50 SERIES Specifications

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