A.O. Smith BTX 100 Manuals

Manuals and User Guides for A.O. Smith BTX 100. We have 4 A.O. Smith BTX 100 manuals available for free PDF download: Service Handbook, Instruction Manual

A.O. Smith BTX 100 Service Handbook (72 pages)

SERIES 120 & 121 Commercial / Residential gas water heater

Brand: A.O. Smith | Category: Water Heater | Size: 8.4 MB

Table of CONTENTS
3
Qualifications
4
Service Warning
4
Service Reminder
4
Tools Required
4
Introduction
4
Instruction Manual
5
Closed Water Systems
5
Thermal Expansion
5
Air Requirements
5
Contaminated Air
5
Installation CONSIDERATIONS
5
Venting
6
General Venting Information
6
Maximum Equivalent Length Requirements
6
Intake Air Connection
7
Power Supply Test
8
Grounding and Polarity
8
Electrical Requirements
8
Installation Check List
9
Features and Components
10
Front & Back Views
10
Top View
11
Combustion Blower & Burner Assembly
11
How It Works
12
OPERATION and Service
12
Combustion Blower
13
Burner Assembly
14
Combustion Blower and Burner Removal
16
Flame Sensor
20
Flame Sensing Operation
20
Flame Sensing Current Test
21
Igniter
22
Igniter Current Test
22
- Venturi
  24
- Gas Valve
  25
- Gas Valve Voltage Tests
  25
- Gas Valve Removal
  26
- Gas Pressure
  27
- Gas Pressure Test
  28
- Gas Flow Test
  29
- Pressure Switches
  30
- Construction & Operation
  30
- Control System Monitoring
  31
- Pressure Switch Tests
  33
- Continuity Test During Standby
  33
- Continuity Test During Operation
  34
- Pressure Test During Operation
  34
- Blocked Exhaust Switch
  36
- Temperature Probe
  37
- Temperature Sensor Test
  37
- Eco Continuity Test
  38
- Control System Hardware
  39
- Uim (User Interface Module)
  39
- CCB (Central Control Board)
  41
- CCB Cover Removal and Replacement
  42
- CCB Circuit Board Layout
  43
- CCB Connection Identification
  44
- Wiring Diagram
  46
- Control System Operation
  47
Control System Features
47
Overview
47
Desktop Screen
48
User Input Buttons
48
Control System Navigation
48
Commercial and Residential Models
48
Status Icons
49
Operating States
50
Control System Menus
50
Temperatures
51
Heater Status
52
Display Settings
53
Heater Information
53
Restore Factory Defaults
54
Fault History
54
Fault Occurrence
54
Current Fault
54
Service Contact Information
55
Sequence of Operation
56
Sequence of Operation Flow Chart
57
Resetting the Control System
58
Things to Check before Servicing
58
Heater Status Menu
58
Not Enough Hot Water
58
Rough Starting/Rough Operation
58
Troubleshooting
58
Control System Unresponsive
59
Uim (Lcd) Is Blank
59
Uim Is Inoperable
59
Fault Messages
60
Temp Probe Open
60
Temp Probe Short
60
AC Reversed
60
Flame Sensor Short
61
Flame Detect Error
61
Energy Cut out (Eco)
62
Blocked Air Intake
63
Blocked Exhaust
64
Blower Prover Failure
64
Blower Prover Open
65
Low Igniter Current
66
Ignition Failure
67
Communication Failure
68

A.O. Smith BTX 100 Instruction Manual (60 pages)

124 Series; 125 Series Commercial Gas Water Heaters

Brand: A.O. Smith | Category: Water Heater | Size: 7.71 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
Features and Components
8
Installation Consideration
9
- Rough in Dimensions
  9
- Locating the Water Heater
  10
- Insulation Blankets
  11
- Combustions Air and Ventilation
  11
- Unconfined Space
  11
- Confined Space
  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
- Chemical Vapor Corrosion
  14
- Water Piping
  14
- Power Supply
  14
Installing the New Water Heater
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
- Gas Piping
  18
- Gas Supply Systems
  18
- Gas Pressure Requirements
  18
- Supply Gas Regulator
  18
- Condensate Piping
  19
- Filling the Water Heater
  20
- Venting
  20
- Installation of Vent System
  21
INSTALLATION Requirements - COMMONWEALTH of MASSACHUSETTS
22
DIRECT Vent DIAGRAM
30
- Vent Pipe Preparation
  31
- Controls and Switches
  33
  - Operating Instructions
    35
  - To Turn off Gas to Appliance
    35
Temperature Regulation
36
Control System Operation
37
- Overview
  37
- Control System Navigation
  37
  - Status Icons
    38
  - Operating States
    39
  - Control System Menus
    39
- User Settings & Control System Menus
  40
  - Heater Status
    41
  - Display Settings
    42
  - Heater Information
    42
  - Current Fault
    43
  - Fault History
    43
  - Fault Occurrence
    43
  - Service Contact Information
    44
For Your Information
45
- Start up Conditions
  45
- Operational Conditions
  45
Periodic Maintenance
46
- Venting System Inspection
  46
- Anode Rod Inspection
  46
- Temperature-Pressure Relief Valve Operation
  46
- Draining and Flushing
  46
- Service
  47
Maintenance
48
- Temperature-Pressure Relief Valve Test
  48
Leakage Checkpoints
49
Troubleshooting
50
- Installation Checklist
  50
- Sequence of Operation Flow Chart
  51
- Operational Problems
  52
- Fault and Alert Conditions
  52
  - Resetting Control System Lock Outs
    53
  - Diagnostic Checks
    53
  - Fault and Alert Messages
    54
  - Ignition Failure
    54
  - Low Igniter Current
    54
  - Blower Prover Open
    55
  - Blocked Air Intake
    55
Notes
56
Limited Warranty
59

A.O. Smith BTX 100 Instruction Manual (60 pages)

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

Brand: A.O. Smith | Category: Water Heater | Size: 10.42 MB

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
Abbreviations Used
7
Qualifications
7
Icomm™ & Bacnet Compatible
7
Preparing for the Installation
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
Locating the Water Heater
14
Insulation Blankets
15
Combustion Air and Ventilation
15
Unconfined Space
16
Confined Space
16
Fresh Air Openings for Confined Spaces
16
Outdoor Air through Two Openings
16
Outdoor Air through One Opening
16
Outdoor Air through Two Horizontal Ducts
17
Air from Other Indoor Spaces
17
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
Dishwashing Machines
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
Vent Installation Considerations
25
U.s. Installations
25
Canadian Installations
25
Polypropylene Installations
26
Vent Pipe Termination
27
Planning the Vent System
27
Installation of Horizontal through the Wall Vent System
27
Direct Vent Terminal Installation
28
Installation Sequence
28
Termination Clearances Sidewall Power Vent
29
Termination Clearances Sidewall Direct Vent
30
Vertical Vent Terminal Installation
31
Direct Vent Diagram
32
Concentric Vent Installation
33
Low Profile Termination Installation
36
Lighting and Operation Labels
37
Temperature Regulation
38
Control System Operation
39
Overview
39
Control System Navigation
39
User Settings & Control System Menus
42
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
Wiring Diagram
58
Limited Warranty
59

A.O. Smith BTX 100 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

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