A.O. Smith VB/VW- 1000 User Manual

A.O. Smith Water boiler

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This manual is related to the following products:

VB/VW- 750

Table of contents

Document Outline

SAFE INSTALLATION, USE AND SERVICE
GENERAL SAFETY
dimension and capacity data
capacity AND FLOW data
contents
introduction
- Grounding Instructions
- Inlet Water Considerations
- Correct Gas
- Precautions
- Liquefied Petroleum Gas Models
- High Altitude Installations
- Field Installed Components
Control Components
- The Control System
- Hot Surface Igniter
- Pressure Switches
- Low Gas Switch
- Water Flow Switch
- Flame Sensor
- Water Temperature Limit Controls
- ON/OFF Switch
- Circulating Pump
- Temperature Probes
- Low Water Cutoff (Optional)
- Pressure Relief Valve
GENERAL
- Required Ability
- Location
- Panels and Covers
- Chemical Vapor Corrosion
- Installtion Clearances
- Leveling
- Air Requirements
- Unconfined Space
- Confined Space
- Fresh Air Openings for Confined Spaces
- Outdoor Air Through Two Openings
- Outdoor Air Through One Opening
- Outdoor Air Through Two Horizontal Ducts
- Outdoor Air Through Two Vertical Ducts
- Air From Other Indoor Spaces
- Termination Clearances Sidewall Power Vent
- Termination Clearances Sidewall Direct Vent
VENTING
- Special Installation Considerations
- Venting System Using AL 29-4C®
- General Exhaust Vent Installation Procedure
- Connecting Vent to Boiler
- Venting Supports
- Vertical Installation Requirements
- Horizontal Installtion Requirements
- Direct Vent Installation Requirements
INSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS
system installation
- General
- Hot Water Heating (Hydronic) Equipment
- Internal Contaminants
- Hot Water Supply Boiler System - General Water Line Connections
- Hard Water Conditions
- Thermal Expansion (Closed System)
- Remote Probe Installation Procedure
- Gas Connections
- Gas Supply Line Sizing
- Wiring
Suggested Pipe Sizing Tables
Wiring Diagram
VB/VW-500, 750 & 1000 SCHEMATIC DIAGRAM
operation
- Important
- General
- Filling and Purging of Heating Boiler Installation
- Filling Hot Water Supply Boiler Installation
- Purging Gas Line
- Inlet Gas Pressure
- Water Temperature Regulation
LIGHTING & OPERATION INSTRUCTIONS FOR MODELS VB/VW 500, 750 AND 1000:
- Adjustment
- Setting of the Test Mode
- Control System
- Inputs to MCB
- Operating Sequence
- UIM Operating Procedures
- Operating Setpoint Adjustment Procedure
- High Limit Differential Setpoint Adjustment Procedure
TROUBLESHOOTING IGNITION SYSTEM
- Troubleshooting Gas Valve
- Main Burner
preventative maintenance
- Relief Valve
- Combustion Air Filter
- Blower Compartment
- Burner Maintenance
- Condensate Removal System
- Venting Maintenance
- Heat Exchanger Preventative Maintenance
- Deliming
- Tube Cleaning Procedure Mechanical Removal of Deposits
- Replacement Parts
notes
LIMITED WARRANTY