A.O. Smith
404, 400, 402, 401, 403, 405
instruction manual
GAS Manifold Assembly
Install
Wiring Connections
Warranty
Dimension
GAS Manifold Assembly
UIM Operating Procedures
Adjustments
Recovery Capacities
Temperature Screen
Replacement Parts
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GAS MANIFOLD ASSEMBLY
GB/GW 1000 - 1500
GB/GW 1850
GB/GW 2100
GB/GW 2500
Figure 14. GB/GW 1000 - 2500 Gas Manifold Assembly Diagrams.
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Contents
Copper Boilers for Hydronic Heating HOT Water Supply
Installation Operation Maintenance Limited Warranty
GAS and Electrical Requirement
DIMENSIONS/CAPACITIES Data
Dimensional Data
Dimensions Data for Outdoor Configuration
Foreword
Recovery Capacities
FEATURES/CONTROLS
ON/OFF Switch
Differential Pressure Switch Combustion AIR Blower
Blocked Flue Pressure Switch
Water Flow Switch
Location
Installation Instructions
Safety Relief Valves
Required Ability
AIR Requirements
Installation Clearances
Chemical Vapor Corrosion
Levelling
Venting
Horizontal Vent Installation
General
System Installation
Installation AS Boiler Replacement
INTAKE/EXHAUST Installation Requirements
16 40.6 cm
Standard Vent Vertical Category
Type B or
Equivalent
III
Standard Vent Horizontal Category
III Stainless
Steel
Direct Vent Vertical Category
Direct Vent Vertical Exhaust Configurations
Stainless GAL.STEEL
Direct Vent Horizontal Exhaust Configurations
Direct Vent Horizontal Category
Stainless GAL. Steel Sealed
Hydronic Installation
VAC System Controller Optional
Space Heating Applications
Internal Contaminants
Tank Probe Optional
Tank Probe Installation Procedure
GAS Connections Water Line Connections
Hard Water Conditions
Single boiler with horizontal tank
Single boiler with vertical tank
Suggested Pipe Size For Multiple Gas Appliances Propane Gas
BTU/HR
Single Unit INSTALLATION, Suggested Pipe Size
Wiring Connections
Distance from Meter BTU Input
GAS Manifold Assembly
Genesis GB/GW 1000-2500 Series 400 Wiring Diagram
Page
Genesis GB/GW 1000-2500 Series 400 Schematic Diagram
Page
CCB Central Control Board
FCB Flame Control Board Diagram
PDB Power Distribution Board Diagram
Inlet GAS Pressure
Operation
Filling and Purging Water System
Purging of GAS Line
For Your Safety Read Before Operating
For Your Safety Read Before Operating
Control System
Adjustments
Risk of Scalds Temperature
Setting Degree Burns on Adult Skin
CCB/FCB Indicator Lamps & Fuses
Air Pressure Sensors open condition indicates fault
Gas Pressure Sensors open condition indicates fault
Water Level Sensor open condition indicates fault
CCB-SW2
CCB Ten Position Dipswitch Central Control Section SW1
Operating Sequence
FCB Eight-Position Dipswitch
UIM Screens
Temperature Setpoints System Control Algorithm
UIM Operating Procedures
Stages 1 and 2 will turn on in sequence from 1 to
System Status Screen
Temperature Screen
Status Displayed True Condition Input
Menu Screen
Description of FCB control states
Operating Differentialsetpoint Adjustment Procedure
Operating Setpoint Adjustment Procedure
High Limit Differential Setpoint Adjustment Procedure
Fault Displayed Description Redled Lockout
Hard
Tank Probe Tank Remote probe shorted or open Flashing
Main Burners
Deliming
Tubecleaningprocedure Mechanical Removal of Deposits
Replacement Parts
Conditions and Exceptions
NEW Boiler Limited Warranty
Tennessee Waltz Parkway, Ashland City, TN Phone
Related pages
All Assembly page
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