A.O. Smith GDHE-50 Manuals

Manuals and User Guides for A.O. Smith GDHE-50. We have 5 A.O. Smith GDHE-50 manuals available for free PDF download: Instruction Manual, Service Handbook, Replacement Parts List

A.O. Smith GDHE-50 Instruction Manual (60 pages)

resIdentIal Gas water heaters

Brand: A.O. Smith | Category: Water Heater | Size: 7.49 MB

For Your Safety
1
Table of Contents
2
SAFE INSTALLATION, USE and Service
3
Approvals
3
General Safety Information
4
- Precautions
  4
- Grounding Instructions
  4
- Hydrogen Gas Flammable
  4
Troubleshooting
7
Introduction
7
Features and Components
8
Installation Consideration
9
- Rough in Dimensions
  9
- Locating the Water Heater
  10
- Insulation Blankets
  11
- Combustion Air and Ventilation
  11
- Unconfined Space
  11
  - Unusually Tight Construction
    12
- Confined Space
  12
  - Direct Vent Appliances
    12
  - Exhaust Fans
    12
  - Louvers and Grilles
    12
- Fresh Air Openings for Confined Spaces
  12
- Outdoor Air through Two Openings
  12
- Outdoor Air through One Opening
  12
- Outdoor Air through Two Horizontal Ducts
  13
- Air from Other Indoor Spaces
  13
Installing the New Water Heater
14
- Chemical Vapor Corrosion
  14
- Water Piping
  14
- Power Supply
  14
- Mixing Valves
  15
- Dishwashing Machines
  15
- Space Heating and Potable Water System
  15
- Closed Water Systems
  16
- Thermal Expansion
  16
- Temperature-Pressure Relief Valve
  17
  - T&P Valve Discharge Pipe Requirements
    17
- Gas Piping
  18
- Condensate Piping
  18
  - High Altitude Installations
    19
  - Sediment Traps (Drip Legs)
    19
- Filling the Water Heater
  19
- Venting
  20
- Installation Requirements - Commonwealth of Massachusetts
  22
- Termination Clearances Sidewall Power Vent
  23
- Termination Clearances Sidewall Direct Vent
  24
DIRECT Vent DIAGRAM
30
- Vent Pipe Preparation
  31
  - Primer
    31
  - Primer and Cement
    31
  - Applicators
    31
- Controls and Switches
  33
  - Blower Prover Switch
    33
  - Blocked Exhaust Switch
    33
  - Blocked Intake Switch
    33
  - On/Off Switch
    33
  - Hot Surface Igniter
    33
    
    Operating Instructions
    35
    
    To Turn off Gas to Appliance
    35
Temperature Regulation
36
- Hi Limit Switch (Eco)
  36
Control System Operation
37
- Overview
  37
  - Commercial and Residential Models
    37
- Control System Navigation
  37
  - User Input Buttons
    37
  - The Desktop Screen
    37
  - Status Icons
    38
  - Operating States
    39
  - Control System Menus
    39
- User Settings & Control System Menus
  40
  - Temperatures
    40
  - Operating Set Point and Differential Adjustment
    40
  - Temperatures (Cont)
    41
  - Heater Status
    41
  - Display Settings
    42
  - Heater Information
    42
  - Current Fault
    43
  - Fault History
    43
  - Fault Occurrence
    43
  - Restore Factory Defaults
    43
  - Service Contact Information
    44
For Your Information
45
- Start up Conditions
  45
  - Smoke/Odor
    45
  - Thermal Expansion
    45
- Operational Conditions
  45
  - Smelly Water
    45
  - Air" in Hot Water Faucet
    45
Periodic Maintenance
46
Maintenance
48
- Temperature-Pressure Relief Valve Test
  48
Leakage Checkpoints
49
Troubleshooting
50
- Installation Checklist
  50
  - Water Heater Location
    50
  - Venting
    50
  - Gas Supply and Piping
    50
  - Condensate Drain
    50
  - Electrical Connections
    50
- Sequence of Operation Flow Chart
  51
- Operational Problems
  52
  - Rough Starting, Rough Operation
    52
  - Momentary Ignition
    52
  - Not Enough or no Hot Water
    52
  - Water Is too Hot
    52
  - Noisy Operation
    52
  - Replacement Parts
    52
- Fault and Alert Conditions
  52
  - Fault Conditions
    52
  - Alert Conditions
    52
  - Resetting Control System Lock Outs
    53
  - Diagnostic Checks
    53
  - Fault and Alert Messages
    54
    
    Blower Prover Open
    55
    
    Blocked Air Intake
    55
Notes
56
Limited Warranty
59

A.O. Smith GDHE-50 Instruction Manual (60 pages)

POWER VENT/POWER DIRECT VENT GAS MODELS WITH DIRECT SPARK IGNITION

Brand: A.O. Smith | Category: Water Heater | Size: 9.77 MB

For Your Safety
1
Table of Contents
2
Safe Installation, Use and Service
3
Approvals
3
General Safety Information
4
- Precautions
  4
- Grounding Instructions
  4
- Hydrogen Gas Flammable
  4
Introduction
7
Dimensions and Capacity Data
8
- Rough in Dimensions: 50 Gallon Unit
  8
- Rough in Dimensions: 75 Gallon Unit
  8
Features and Components
10
- Controls and Switches
  13
Installation Considerations
14
Installation Requirements
18
- Chemical Vapor Corrosion
  18
- Water Piping
  18
- Power Supply
  18
- Mixing Valves
  19
- Gas Piping
  19
- Gas Supply Systems
  20
- Gas Pressure Requirements
  20
- Supply Gas Regulator
  20
- Space Heating and Potable Water System
  21
- Closed Water Systems
  21
- Thermal Expansion
  21
- Temperature-Pressure Relief Valve
  22
- Condensate Piping
  23
- High Altitude Installations
  23
- Filling the Water Heater
  23
Installation Requirements for the Commonwealth of Massachusetts
24
Venting Installation
25
Lighting and Operation Labels
37
Temperature Regulation
38
Control System Operation
39
- Overview
  39
- Control System Navigation
  39
- User Settings & Control System Menus
  42
  - Blocked Exhaust
    45
  - Restore Factory Defaults
    45
For Your Information
47
- Start up Conditions
  47
- Operational Conditions
  47
Periodic Maintenance
48
- Venting System Inspection
  48
- Anode Rod INSPECTION
  48
- Powered Anode Rod (Optional Models)
  49
- Temperature-Pressure Relief Valve Test
  49
- Draining and Flushing
  49
- Service
  50
Leakage Checkpoints
51
Troubleshooting
52
- Installation Checklist
  52
- Sequence of Operation
  52
- Sequence of Operation Flow Chart
  53
- Operational Problems
  54
- Fault and Alert Conditions
  55
  - Ignition Failure
    56
  - Blower Prover Open
    57
  - Blocked Air Intake
    57
Wiring Diagram
58

A.O. Smith GDHE-50 Instruction Manual (44 pages)

POWER VENT/POWER DIRECT VENT GAS MODELS WITH HOT SURFACE IGNITIO

Brand: A.O. Smith | Category: Water Heater | Size: 2.68 MB

Instruction Manual
1
For Your Safety
1
Safe Installation, Use and Service
2
General Safety
3
Table of Contents
5
Introduction
5
- Preparing For The Installation
  5
- Get to Know Your Water Heater
  6
Installation Considerations
7
Installing the Water Heater
13
- Chemical Vapor Corrosion
  13
- Water Piping
  13
- Temperature-Pressure Relief Valve
  14
- Gas Piping
  15
- Sediment Traps
  16
- Filling The Water Heater
  16
- Venting
  16
- Vent Pipe Termination
  16
- Planning The Vent System
  19
- Condensate
  19
- Installation Of Vent System
  20
- Vent Terminal Installation, Sidewall
  20
- Sequence Of Installations, Figure 18A
  20
- Direct Venting
  20
- Direct Vent Terminal Installation
  20
- Installation Sequence
  21
- Vertical Vent Terminal Installation
  21
- Installation Of Vent System, Sidewall
  22
- Installation Of Vertical Vent System
  22
  - Safety Considerations
    23
  - Multi-Concentric Vent Terminations
    25
- Vent Pipe Preparation
  26
- Controls and Switches
  28
- Power Vent Wiring Schematic
  29
- Operating Instructions
  30
- To Turn off Gas to Appliance
  30
Lighting & Operating Label
30
Temperature Regulation
31
Using the Electronic Controller
32
- Operating States
  33
- Changing the Display Units
  34
- Fault Conditions
  34
- Viewing the Fault History
  35
- Viewing Information about the Heater
  35
For Your Information
36
- Start up Conditions Smoke/Odor
  36
  - Thermal Expansion
    36
  - Strange Sounds
    36
- Operational Conditions
  36
  - Smelly Water
    36
  - "Air" in Hot Water Faucets
    36
Periodic Maintenance
37
- Venting System Inspection
  37
- Burner Operation And Inspection
  37
- Burner Cleaning
  37
- Housekeeping
  37
- Anode Rod Inspection
  38
- Temperature-Pressure Relief Valve Operation
  38
- Draining
  38
- Service
  39
Leakage Checkpoints
39
Troubleshooting
40
Notes
41
Notes
42
Warranty
43

A.O. Smith GDHE-50 Service Handbook (54 pages)

COMMERCIAL / RESIDENTIAL GAS WATER HEATERS

Brand: A.O. Smith | Category: Water Heater | Size: 2.12 MB

Table of Contents
2
Introduction
3
Qualifications
3
Service Warning
3
Important Service Reminder
3
Instruction Manual
4
Tools Required
4
Installation Considerations
5
Closed Water Systems
5
Thermal Expansion
5
Air Requirements
6
Contaminated Air
6
Venting
7
Electrical Requirements
9
Operation & Service
10
How It Works
10
Blower
11
Burner
12
Venturi
15
Gas Valve
16
Gas Pressure Testing
17
Air Pressure Switches
19
Air Pressure Switch Operation
21
Air Pressure Switch Testing
22
Flame Sensing Test
25
Igniter Current Test
26
Control System
27
Introduction
27
Uim
28
Discreet Menu - Contact Information
29
Operating Set Point Adjustment
33
Control System Menus
34
Heater Status Menu
34
Ccb
36
Socket Identification
37
Wiring Diagram
40
Sequence of Operation
41
Troubleshooting
42
Rough Start - Rough Operation
42
Things to Check before Servicing
42
Reset Procedure
42
Control System Unresponsive
43
Blank Display
43
UIM Inoperable
43
Fault Messages
44
AC Reversed
44
Upper Probe Open
44
Upper Probe Short
45
Flame Probe Short
45
Flame Detect Error
46
Energy Cut out (ECO)
46
Blocked Inlet
47
Blocked Exhaust Vent
48
Blower Prover Failure
48
Blower Prover Open - Blower Not Running
49
Blower Prover Open - Blower Is Running
49
Low Igniter Current
50
Ignition Failure
51
Gas Valve Failure
53
Communication Failure
53

A.O. Smith GDHE-50 Replacement Parts List (4 pages)

A.O. Smith Residential Water Heater Replacement Parts List

Brand: A.O. Smith | Category: Water Heater | Size: 0.29 MB

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