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BTH 300
A.O. Smith BTH 300 Manuals
Manuals and User Guides for A.O. Smith BTH 300. We have
4
A.O. Smith BTH 300 manuals available for free PDF download: Instruction Manual, Service Handbook, Quick Installation Tips
A.O. Smith BTH 300 Instruction Manual (77 pages)
COMMERCIAL GAS WATER HEATERS
Brand:
A.O. Smith
| Category:
Water Heater
| Size: 5.62 MB
Table of Contents
Table of Contents
2
Safe Installation, Use and Service
3
Approvals
3
General Safety Information
4
Introduction
6
Abbreviations
6
Icomm
6
Preparing for the Installation
6
Features and Components
7
Basic Operation
7
Modulation
7
Blower/Burner Assembly Detail
7
Top View
8
Components
8
Side Views
9
Installation Considerations
10
Rough in Dimensions
10
Locating the Water Heater
11
Extended Vent Terminations
11
Clearance to Combustile Materials
11
Service Clearance
11
Hard Water
12
Optional Direct Vent Terminations
12
Insulation Blankets
12
Installation Requirements
13
Gas Supply Systems
13
Power Supply
13
Supply Gas Regulator
13
Mixing Valves
14
Dishwashing Machines
14
Closed Water Systems
14
Thermal Expansion
14
Temperature-Pressure Relief Valve
15
T&P Valve Discharge Pipe Requirements
15
Condensate Drain
16
Combustible Material Storage
16
Contaminated Air
16
Condensate Drain Water Trap
16
Air Requirements
17
Unconfined Space
17
Confined Space
17
Unusually Tight Construction
17
Outdoor Air through One Opening
18
Outdoor Air through Two Horizontal Ducts
18
Outdoor Air through Two Openings
18
Fresh Air Openings for Confined Spaces
18
Outdoor Air through Two Vertical Ducts
19
Air from Other Indoor Spaces
19
Manufacturer Requirements
20
Installation of Carbon Monoxide Detectors
20
Exemptions
20
Signage
20
General Venting Installation
21
General Venting Instructions
21
Approved Materials
21
Power Vent Configuration
21
Common Venting
22
Venting Requirements
22
Power Vent Installation
23
Direct Vent Installation
23
Vent Connection
23
Venting Installation Sequence
23
Direct Vent Air Intake Moisture Protection
24
Vertical Termination Installation
24
Intake Air Condensate Tee Installation
24
Intake Air Connection Detail
24
Vertical Termination - Direct Vent
25
Vertical Termination Flat Roof Clearance Intake Air And/Or Vent
25
Vertical Termination Installation Intake Air And/Or Vent
25
Sidewall Termination Installation
26
Direct Vent Standard Terminations
26
Sidewall Termination Installation Intake Air And/Or Vent
26
M & G Duravent Polypro Vent System Part Numbers
27
Centrotherm Innoflue SW Vent System Part Numbers
27
Polypropylene Installations
27
Heatfab Saf–T Vent AL29-4C Vent System Parts
28
Duravent Fasnseal AL29-4C Vent System Parts
28
Concentric Termination Installation
29
6 Inch Concentric Termination Flat Roof Clearance
29
6 Inch Concentric Termination Sidewall Installation
30
6 Inch Concentric Termination Installation
30
6 Inch Concentric Termination Vertical Installation
30
6 Inch Concentric Termination Kit Fiueld Assembly Required
30
Multiple Concentric Termination Clearances
31
Three Concentric Terminations
31
Four Concentric Terminations
31
Groups of Terminations
31
Multiple Concentric Termination Arrangements
32
Two Concentric Terminations
32
Eight Concentric Terminations
32
Each Kit Contains
33
Low Profile Vent Installation
33
Low Profile Termination Kits - Dimensions
33
Power Vent Vertical
34
Power Vent Horizontal
34
Direct Vent Vertical
34
Venting Arrangements
34
Direct Vent Vertical Concentric
35
Direct Vent Horizontal Concentric
35
Direct Vent Horizontal Low Profile
35
Termination Clearances Sidewall Power Vent
36
Termination Clearances Sidewall Direct Vent
37
Condensate Drain Installation
38
Water Heater Installation
38
Gas Line Sizing
39
Supply Gas Line Sizing US Units
39
Supply Gas Line Sizing Metric Units
39
Supply Gas Line Installation
39
Electrical Wiring
40
Gas Line Connection
40
Gas Line Leak Testing
40
Purging
40
Water Piping Diagrams
41
Connecting an External Supervisory Control
41
Water Line Connections
41
Enable/Disable Circuit
41
T and P Valve Discharge Pipe
42
Thermometers
42
Water Heating and Space Heating
42
Temperature Regulation
43
High Temperature Limit Control
43
Thermostat Control
43
High Temperature Applications
43
The Desktop Screen
44
Control System Navigation
44
Overview
44
Control System Operation
44
Status Icons
45
Operating States
46
Control System Menus
46
User Settings and Control System Menus
47
Temperatures Menu
47
Heater Status Menu
48
Display Settings
49
Heater Information
49
Restore Factory Defaults
50
Fault History
50
Fault Occurence
50
Current Fault
50
Service Contact Information
51
Filling the Water Heater
52
Initial Start up
52
Required Test Equipment
52
Prior to Start up
52
Operating Instructions
53
To Turn off Gas to Appliance
53
For Your Safety Read before Lighting
53
Lighting and Operation Label
53
Checking the Firing Rate
54
Supply Gas Pressure Adjustment
54
Multiple Appliance Installations
54
To Turn off Gas Supply
54
High Altitude Installations
55
Troubleshooting
56
Installation Checklist
56
Sequence of Operation
56
Sequence of Operation Flow Chart
57
Operational Problems
58
Fault and Alert Conditions
59
Fault and Alert Messages
60
Maintenance Schedule
62
Draining and Flushing
62
Precautions
62
General
62
Sediment Removal
63
Manual Lime Scale Removal
63
Chemical Lime Scale Removal
63
To Flush the Tank
63
Filling the Water Heater
63
Vent System
64
Figure
64
Powerred Anode Rods
64
Temperature-Pressure Relief Valve Test
64
Drain Valve and Access Panels
64
Diagrams
65
Central Control Board Layout
65
Wiring Diagram
66
Circulation Pump Wiring Diagram
67
Storage Tank or Building Recirculation
67
Dishwasher Loop with Toggle Switch
67
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A.O. Smith BTH 300 Service Handbook (56 pages)
COMMERCIAL GAS HIGH EFFICIENCY WATER HEATERS BTH 120 THRU 500 SERIES 200/201
Brand:
A.O. Smith
| Category:
Water Heater
| Size: 6.51 MB
Table of Contents
Table of Contents
2
Introduction
3
Qualifications
3
Service Warning
3
Service Reminder
3
Tools Recommended
3
Installation Considerations
4
Instruction Manual
4
Closed Water Systems
4
Thermal Expansion
4
Air Requirements
4
Contaminated Air
4
Features and Components
5
Combustion Blower & Burner Assembly
5
Top View: BTH 120 - 250 Models
6
Top View: BTH 300 - 500 Models
6
Sequence of Operation Flow Chart
7
1 Low Gas Pressure
8
Fault and Warning Codes
8
Gas Pressure Specifications
8
High Altitude
8
Gas Supply Systems
9
Supply Gas Regulator
9
Gas Pressure Test
10
2 Blower Operation Error
12
Pressure Switches
12
Control System Monitoring
12
Pressure Switch Tests
13
Continuity Test During Standby
13
Continuity Test During Operation
14
Pressure Test During Operation
14
Pressure Switch Settings
15
3 Blower Prover Open
17
4 Ignition Failure
18
5 Blocked Air Intake
21
6 Blocked Exhaust
22
7 Flame Sensor Error
23
Gas Control Valve
23
Gas Control Valve Voltage Tests
24
Flame Sensor
25
Flame Sensing Operation
25
Flame Sensing Current Test
26
8 No Water
27
Powered Anodes
27
Power Anode Cleaning and Removal
27
9 Anode Shorted
29
10 Temperature Probe Short (Upper or Lower)
30
Temperature Probe
30
Temperature Sensor Test
31
ECO Continuity Test
31
11 Temperature Probe Open (Upper or Lower)
33
Venting
34
General Venting Information
34
Intake Air Connection
35
Electrical Connections - All Models
36
Electrical Wiring
36
Power Supply Connections
36
Enable/ Disable Switch
37
Power Supply Test
37
Installation Check List
38
Operation and Service
39
How It Works
39
Combustion Blower
39
Modulation
39
Blower Speed Control - Bth 300 Thru 500
41
Variable Frequency Drive - Bth 300 Thru 500
42
Burner Assembly
43
Combustion Blower and Burner Removal/ Installation Instructions
44
Spark Igniter
45
Gas Orifice - Bth 300 Thru 500 Models
47
Orifice Chart - BTH 300 Thru 500 Models
47
Ccb (Central Control Board)
48
CCB Cover Removal and Replacement
49
CCB Circuit Board Layout
50
CCB Connection Identification
51
Wiring Diagram - Bth 120 Thru 250
53
Wiring Diagram - Bth 300 Thru 500
54
Control Overview
55
A.O. Smith BTH 300 Service Handbook (50 pages)
COMMERCIAL GAS HIGH EFFICIENCY WATER HEATERS
Brand:
A.O. Smith
| Category:
Water Heater
| Size: 1.32 MB
Table of Contents
Table of Contents
3
Introduction
4
Qualifications
4
Tools Required
5
General Information
6
Gas Pressure Specifications
6
Installation Quick Tips - Bth 120 and 150: Gas Pressure
8
Installation Quick Tips - Bth 199 and 250 Gas Pressure
9
Installation Quick Tips - Bth 300, 400, 500 Gas Pressure
10
Installation Quick Tips - Bth 300, 400, 500
11
Installation - Venting Category and Materials
12
Venting Tables - Bth 120 - 250
13
Venting Tables - Bth 300, 400, 500
13
Concentric Venting
14
Vent Condensation
15
Venting - All Models - Single Pipe Direct Vent - Using Outside Air Termination Clearances Sidewall Power Vent
16
Venting - All Models - Two Pipe Direct Vent - Using Outside Air Termination Clearances Sidewall Direct Vent
17
Vent Termination - Direct Vent - All Models
18
Direct Venting - All Models
19
Control Overview
20
Adjusting Tank Temperature - Operating Set Point - Differential
22
Changing the Display Units
24
Fault and Warning Conditions - Advanced Diagnostic Information
26
Access to the Current Fault or Warning
27
Fault Codes
28
Viewing the Fault History - Viewing Information about the Heater
29
Control Sequence (Typical All Models)
30
Control Sequence Flow Chart
31
Controls - Central Control Board - Ccb
32
Controls - Gas Control Valve Bth 120
34
Controls - Gas Control Valve Bth 150
34
Controls - Gas Control Valve Bth 199 and 250
35
Controls - Gas Control Valve, Orifice Chart - Bth 300/400 - 100/101
36
Controls - Gas Control Valve, Orifice Chart - Bth 400/500
37
Controls - Pressure Switches - All Models
38
Controls - Pressure Switches - Bth 120 through 250
39
Controls - Pressure Switches - Bth 300, 400, 500
40
Controls - Connections, Igniter, Flame Sensor, Sight Glass, Powered Anodes
41
Hot Surface Igniter / Flame Sensor / Control Timing
42
Blower Speed Control Bth 199 and 250
43
Variable Frequency Drive - Bth 400 and 500
44
Variable Frequency Drive - Blower Speed and Pressure Readings
45
Wiring Diagram - Bth 120 - 300
46
Wiring Diagram - Bth 400, 500
47
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A.O. Smith BTH 300 Quick Installation Tips (1 page)
A.O. Smith Water Heater Parts Manual
Brand:
A.O. Smith
| Category:
Water Heater
| Size: 0.04 MB
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