A.O. Smith VB-500, VB-750 Manuals

Manuals and User Guides for A.O. Smith VB-500, VB-750. We have 1 A.O. Smith VB-500, VB-750 manual available for free PDF download: Instruction Manual

A.O. Smith VB-500, VB-750 Instruction Manual (52 pages)

SERIES 200/201 GAS-FIRED COPPER BOILERS FOR HYDRONIC HEATING AND HOT WATER SUPPLY

Brand: A.O. Smith | Category: Boiler | Size: 4.42 MB

Limited Warranty
1
Safe Installation, Use and Service
2
General Safety
3
Dimension and Capacity Data
4
Capacity and Flow Data
5
Table of Contents
6
Contents
6
Introduction
6
- Grounding Instructions
  7
- Inlet Water Considerations
  7
- Correct Gas
  7
- Precautions
  7
- Liquefied Petroleum Gas Models
  7
- High Altitude Installations
  7
- Field Installed Components
  7
- Figure
  8
Control Components
8
- The Control System
  8
- Hot Surface Igniter
  8
- Pressure Switches
  8
- Low Gas Switch
  8
- Water Flow Switch
  8
- Flame Sensor
  8
- Water Temperature Limit Controls
  9
- ON/OFF Switch
  9
- Circulating Pump
  9
- Temperature Probes
  9
- Low Water Cutoff (Optional)
  9
- Pressure Relief Valve
  9
General
10
- Required Ability
  10
- Location
  10
- Panels and Covers
  10
- Chemical Vapor Corrosion
  11
- Installtion Clearances
  11
- Leveling
  11
- Air Requirements
  11
- Unconfined Space
  11
- Confined Space
  11
- Fresh Air Openings for Confined Spaces
  11
- Outdoor Air through Two Openings
  12
- Outdoor Air through One Opening
  12
- Outdoor Air through Two Horizontal Ducts
  12
- Outdoor Air through Two Vertical Ducts
  12
- Air from Other Indoor Spaces
  13
- Termination Clearances Sidewall Power Vent
  14
- Termination Clearances Sidewall Direct Vent
  15
Venting
16
System Installation
22
- General
  22
- Hot Water Heating (Hydronic) Equipment
  22
- Internal Contaminants
  23
- Hot Water Supply Boiler System - General Water Line Connections
  23
- Hard Water Conditions
  23
- Thermal Expansion (Closed System)
  23
- Remote Probe Installation Procedure
  23
- Gas Connections
  24
- Gas Supply Line Sizing
  24
- Wiring
  28
Suggested Pipe Sizing Tables
29
Wiring Diagram
30
Vb/Vw-500, 750 & 1000 Schematic Diagram
32
Operation
33
- Important
  33
- General
  33
- Filling and Purging of Heating Boiler Installation
  33
- Filling Hot Water Supply Boiler Installation
  33
- Purging Gas Line
  33
- Inlet Gas Pressure
  33
- Water Temperature Regulation
  34
Lighting & Operation Instructions
36
- Adjustment
  37
- Setting of the Test Mode
  37
- Control System
  37
- Inputs to MCB
  38
- Operating Sequence
  39
- Water
  40
- UIM Operating Procedures
  40
- Operating Setpoint Adjustment Procedure
  41
- High Limit Differential Setpoint Adjustment Procedure
  42
Troubleshooting Ignition System
44
- Troubleshooting Gas Valve
  45
- Main Burner
  45
Preventative Maintenance
45
- Relief Valve
  46
- Combustion Air Filter
  46
- Blower Compartment
  46
- Burner Maintenance
  46
- Condensate Removal System
  46
- Venting Maintenance
  47
- Heat Exchanger Preventative Maintenance
  47
- Deliming
  47
- Tube Cleaning Procedure Mechanical Removal of Deposits
  47
- Replacement Parts
  47
Notes
48
Limited Warranty
51

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A.O. Smith VB-500, VB-750 Manuals

A.O. Smith VB-500, VB-750 Instruction Manual (52 pages)

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