A.O. Smith 150A Manuals

Manuals and User Guides for A.O. Smith 150A. We have 1 A.O. Smith 150A manual available for free PDF download: Instruction Manual

A.O. Smith 150A Instruction Manual (88 pages)

COMMERCIAL GAS WATER HEATERS

Brand: A.O. Smith | Category: Water Heater | Size: 17 MB

Table of Contents
2
Approvals
3
General Safety Information
4
Do Not Use if Damaged
4
Limiting the Risk of Scalding
4
Grounding Instructions
4
Hydrogen Gas Flammable
4
Important Definitions
4
Hazard Messages
5
Introduction
8
Abbreviations Used
8
Qualifications
8
ICOMM and BMS/EMS COMPATIBILITY
8
Preparing for the Installation
8
Features and Components
10
Basic Operation
10
Modulation
10
Blower/Burner Assembly Detail
10
Components- Top View (All Models)
11
Side Views
12
Left Side
12
Right Side
12
Rough-In Dimensions
14
Installation Considerations
14
Top View
14
Locating the Water Heater
15
Optional Direct Vent Terminations
16
Hard Water
16
Circulation Pumps
16
Insulation Blankets
16
Installation Requirements
17
Gas Supply Systems
17
Supply Gas Regulator
17
Power Supply
17
Power Fluctuations and Electrical Noise
17
Thermostatic Mixing Valves
18
Dish-Washing Machines
18
Closed Water Systems
18
Thermal Expansion
18
Temperature-Pressure Relief Valve
19
Condensate Drain
20
Combustible Material Storage
20
Contaminated Air
20
Air Requirements
21
Fresh Air Openings for Confined Spaces
22
Outdoor Air through One Opening
22
Installation Requirements - Commonwealth of Massachusetts
24
Manufacturer Requirements - Gas Equipment Venting System Provided
24
Venting Installation
25
General Venting Information
25
Category IV Appliances
25
General Venting Instructions
25
Venting Requirements
27
Common Direct Venting
28
Venting Installation Sequence
28
Power Vent Installation
28
Direct Vent Installation
28
Vertical Termination Installation
30
Polypropylene Installations
32
AL29-4C ® Vent Installations
33
Common Direct Venting Requirements
34
Concentric Termination Installation Preparation
34
Concentric Termination Installation
34
Combustion Air
35
Low-Profile Vent Termination Installation
37
Venting Arrangements
39
Termination Clearances Sidewall Power Vent
41
Termination Clearances Sidewall Direct Vent
42
Water Heater Installation
43
Condensate Drain Installation
43
Supply Gas Line Installation
43
Gas Line Leak Testing
45
Electrical Wiring
45
T&P Valve Discharge Pipe
47
Start up
49
Prior to Start up
49
Initial Start up
49
Lighting the Water Heater
50
Checking the Firing Rate
51
High Altitude Installations
51
Temperature Regulation
53
Limiting the Risk of Scalding
53
High Temperature Limit Control (ECO)
53
Thermostat Control
53
Intelligent Demand Response
54
Firing Rate Modulation
54
High Temperature Applications
54
Control System Operation
55
Control System Navigation
55
Wi-Fi
55
Lockout Function
55
User Settings & Control System Menus
58
Blocked Exhaust
62
Restore Defaults
63
Maintenance
66
Draining and Flushing
66
Sediment Removal
67
Lime Scale Removal
67
Burner Flame Inspection
67
Powered Anodes Maintenance
68
Drain Valve and Access Panels
68
Temperature-Pressure Relief Valve Test
68
Vent System Maintenance
69
Troubleshooting
70
Installation Checklist
70
Sequence of Operation
70
Sequence of Operation Flow Chart
71
Operational Problems
72
Fault and Alert Conditions
73
Checking for Leaks
76
Diagrams
77
Central Control Board (CCB) Layout
77
Wiring Diagram
78
Circulation Pump Wiring Diagrams
79
Water Piping Diagrams
80
Storage Tank
83

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A.O. Smith 150A Manuals

A.O. Smith 150A Instruction Manual (88 pages)

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