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VB 1500
A.O. Smith VB 1500 Manuals
Manuals and User Guides for A.O. Smith VB 1500. We have
3
A.O. Smith VB 1500 manuals available for free PDF download: Service Handbook, Instruction Manual, User Manual
A.O. Smith VB 1500 Service Handbook (76 pages)
COMMERCIAL GAS FIRED BOILER
Brand:
A.O. Smith
| Category:
Boiler
| Size: 7.18 MB
Table of Contents
Table of Contents
3
Introduction
4
Model Numbers and Factory Configurations
4
Qualifications
4
Qualified Installer or Service Agency
4
Service Warning
4
Service Reminder
5
Tools Required
5
Installation Considerations
6
Instruction Manual
6
Closed Water Systems
6
Thermal Expansion
6
Air Requirements
6
Contaminated Air
6
Venting
7
Water Piping
7
Temperature Rise & Flow Rate
7
Bypass Lines
7
Boiler Controls
8
The Heating Cycle
8
Primary System Control
8
Remote Temperature Probe Installation
9
The Controlling Probe
9
Features and Components
10
Front, Back & Side Views
10
How It Works
11
Operation and Service
12
Modulating Fire Operation
12
Combustion Blower
12
Burner Assembly
13
Venturi & Gas Train
14
Config Key
15
Combustion Blower Speed Data
16
Temperature Probes
17
Inlet and Outlet Temperature Probes
17
Remote Temperature Probe
17
Quad Thermistor Probe
17
Control Panel
19
Pressure Switches
20
MCB - Modulation Control Board
21
PDB - Power Distribution Board
30
Power Supply Test
35
Start up
36
Prior to Start up
36
Modulate Mode
36
Modulate Mode Adjustment
36
Turning the Boiler off
36
Start up Procedure
37
Manifold Gas Pressure Test
40
Control System Operation
41
EMC 5000 Modulation Control
41
Control System Features
41
Control System Navigation
42
UIM - User Interface Module
42
Status Lights
43
Firing Rate Status
43
User Input Buttons
44
Adjusting User Settings
45
Operating Setpoint Adjustment
45
Control System Menus
46
Sequence of Operation
47
Troubleshooting
48
Poor Combustion - Ignition Failure - Rough Start/Operation
48
Verify Correct Config Key Is Installed
48
Adequate Combustion Air - Proper Venting
48
Vent Gas Recirculation
48
Restore Gas Flow Settings to Default
49
Firing Rate - Modulation Performance
49
Burner Inspection
49
Error Messages
50
LCD Display Is Blank
51
Display Fail
52
No Config Key
52
Config Key CRC
52
Config Key Part
53
Low AC Voltage
53
Low 24 VAC
53
Low Water
54
Mrhilimit
54
Low Gas
55
No Flow
56
Inlet Probe
58
Tank Probe
59
Outlet Probe
60
Igniter
60
Blower Prover
61
Blocked Inlet
63
Blocked Flue
64
Flame
65
Piping Diagrams
67
Temperature Probe and Bypass Line Location
67
Boiler Temperature Logs
71
Scheduling Deliming Maintenance
71
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A.O. Smith VB 1500 Instruction Manual (48 pages)
GAS-FIRED COPPER BOILERS FOR HYDRONIC HEATING AND HOT WATER SUPPLY
Brand:
A.O. Smith
| Category:
Water Heater
| Size: 5.44 MB
Table of Contents
Limited Warranty
1
Table of Contents
2
Safe Installation, Use and Service
3
Approvals
3
General Safety
4
General Safety
5
Introduction
6
Dimension and Capacity Data
6
Capacity and Flow Data
8
Control Components
8
The Control System
8
Hot Surface Igniter
8
Pressure Switches
8
Low Gas Switch
9
Low Gas Pressure Switch
9
Gas Valve
9
Flow Switch
9
Flame Sensor
9
Water Temperature Limit Controls
10
On/Off Switch
10
Circulating Pump
10
Temperature Probes
10
Low Water Cutoff (Optional)
10
Pressure Relief Valve
10
General
11
Required Ability
11
Location
11
Replacing Existing Common Vented Boiler
11
Panels and Covers
12
Chemical Vapor Corrosion
12
Installation Clearances
12
Leveling
12
Air Requirements
12
Unconfined Space
12
Confined Space
12
Fresh Air Openings for Confined Spaces
13
Outdoor Air through Two Openings
13
Outdoor Air through One Opening
13
Outdoor Air through Two Horizontal Ducts
13
Outdoor Air through Two Vertical Ducts
14
Air from Other Indoor Spaces
14
Termination Clearances Sidewall Power Vent
15
Termination Clearances Sidewall Direct Vent
16
Venting
17
Special Installation Considerations
17
Venting System Using al 29-4C
17
General Exhaust Vent Installation Procedure
17
Connecting Vent to Boiler
17
Venting Supports
18
Vertical Installation Requirements
18
Horizontal Installation Requirements
18
Direct Vent Installation Requirements
18
Installation Requirements for the Commonwealth of Mass
20
System Installation
23
General
23
Hot Water Heating (Hydronic) System
23
Internal Contaminants
24
Hot Water Supply System General Water Line Connections
24
Hard Water Conditions
25
Thermal Expansion (Closed System)
25
Gas Connections
25
Field Wiring
26
Suggested Pipe Sizing Tables
27
Piping Diagrams
28
Schematic Diagram
31
Blocked Inlet
32
Wiring Diagram
33
Operation
34
Important
34
General
34
Filling and Purging for Heating Boiler Installation
34
Filling for Hot Water Supply Boiler Installation
34
Purging Gas Line
34
Inlet Gas Pressure
34
Water Temperature Regulation
35
Manifold Pressure Connections
35
Lighting and Operating Instructions
36
Adjustment
37
Setting of the Test Mode
37
Control System
37
Inputs to MCB
38
Dipswitches
38
Operating Sequence
39
Operating Setpoint Adjustment Procedure
41
Troubleshooting Ignition System
43
Troubleshooting Gas Valve
44
Preventative Maintenance
44
Main Burner
44
Relief Valve
45
Blower Compartment
45
Burner Maintenance
45
Condensate Removal System
45
Venting Maintenance
46
Heat Exchanger Preventive Maintenance
46
Tube Cleaning Procedure
46
Replacement Parts
46
Limited Warranty
47
A.O. Smith VB 1500 User Manual (24 pages)
SERIES 100/101 GAS-FIRED COPPER BOILERS FOR HYDRONIC HEATING AND HOT WATER SUPPLY
Brand:
A.O. Smith
| Category:
Boiler
| Size: 2.11 MB
Table of Contents
Limited Warranty
1
Table of Contents
2
Safe Installation, Use and Service
3
Approvals
3
General Safety
4
Introduction
5
Installation Requirements for the Commonwealth of Massachusetts
6
Schematic Diagram
7
Flow Switch
8
Low Gas Switch
8
Wiring Diagram
9
Operation
10
Important
10
General
10
Filling and Purging of Heating Boiler Installation
10
Filling Hot Water Supply Boiler Installation
10
Purging Gas Line
10
Inlet Gas Pressure
10
Water Temperature Regulation
11
Manifold Pressure Connections
11
Lighting and Operating Instructions
12
Adjustment
13
Setting of the Test Mode
13
Control System
13
Inputs to MCB
14
Operating Sequence
15
Operating Setpoint Adjustment Procedure
17
Troubleshooting Ignition System
19
Troubleshooting Gas Valve
20
Preventative Maintenance
20
Main Burner
20
Relief Valve
21
Blower Compartment
21
Burner Maintenance
21
Condensate Removal System
21
Venting Maintenance
22
Heat Exchanger Preventive Maintenance
22
Tube Cleaning Procedure Mechanical Removal of Deposits
22
Replacement Parts
22
Limited Warranty
23
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