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American Water Heater
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Water Heater
American Water Heater
AHCG/HCG3 60T 120 - AHCG3/HCG3 100T 250 ZzzDphulfdqzdwhukhdwhuFrp
Models:
AHCG/HCG3 60T 120 - AHCG3/HCG3 100T 250
Commercial Gas Water Heaters
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80 pages
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Troubleshooting
Install
Water Piping Diagrams
Dimension
Maintenance
Power Vent Configuration
Electrical Wiring
Operational Problems
Adjustment Procedure
Fault and Alert Conditions
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Contents
Installation Operation Service Maintenance Limited Warranty
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American Water Heater
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Table of Contents
Safe INSTALLATION, USE and Service
Approvals
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General Safety Information
Precautions
Grounding Instructions
Hydrogen GAS Flammable
Installing, using or servicing Water heater
Fire or Explosion Hazard
Preparing for the Installation
Qualified Installer or Service Agency
Introduction
Abbreviations Used
Features and Components
Basic Operation
TOP Views
HCG3 120 & 150 Components
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HCG3 199 & 250 Components
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Side Views
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Installation Considerations
Rough in Dimensions
TOP Views
Front
Recovery Capacities
GAS Pressure Requirements
Locating the Water Heater
GAS Line Connection Size
Extended Vent Terminations
Optional Concentric Terminations
Hard Water
Circulation Pumps
Installation Requirements
Power Supply
GAS Supply Systems
Supply GAS Regulator
Mixing Valves
Dishwashing Machines
Closed Water Systems
Thermal Expansion
TEMPERATURE-PRESSURE Relief Valve
Valve Discharge Pipe Requirements
Condensate Drain
Combustible Material Storage
Contaminated AIR
Condensate Drain Water Trap
AIR Requirements
Unconfined Space
Confined Space
Unusually Tight Construction
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
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Installation of Carbon Monoxide Detectors
Commonwealth of Massachusetts Inspection
Approved Carbon Monoxide Detectors
Signage
Venting Installation
Power Vent Configuration
General Venting Information
General Venting Instructions
HCG3 100T 199 & SUF 250 Intake AIR Connection
INSPECT/ADJUST Intake AIR TEE Fitting
Adjustment Procedure
Venting Requirements
Direct Vent Installation
Venting Installation Sequence
Power Vent Installation
Supplied Installed Intake AIR
Field Supplied Factory Installed Intake AIR Connection
Remove for Direct Vent
Pipe Field
Vertical Termination Installation
Vertical Terminations Installation
Vertical Termination Direct Vent
Vertical Terminations Flat Roof Clearance
Field Supplied STRAP/SUPPORT
Sidewall Termination Installation
Sidewall Termination Installation
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Concentric Termination Installation
Concentric Termination Flat Roof Clearance
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Inch Concentric Termination Installation
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TWO Concentric Terminations
Three Concentric Terminations
Four Concentric Terminations
Eight Concentric Terminations
Multiple Concentric Termination Arrangements
Two Concentric Terminations
Eight Concentric Terminations
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Direct Vent Horizontal
Power Vent Horizontal
Venting Arrangements
Direct Vent Horizontal Concentric
Direct Vent Vertical Vent Horizontal Intake
Direct Vent Horizontal Vent Vertical Intake
Termination Clearances Sidewall Power Vent
Power Vent
Termination Clearances Sidewall Direct Vent
Direct Vent
Water Heater Installation
Condensate Drain Installation
Installation Notes
Installation Instructions
Supply GAS Line Installation
GAS Line Sizing
Supply GAS Line Sizing U. S. Units
Supply GAS Line Sizing Metric Units
GAS Line Connection
GAS Line Leak Testing
Purging
Electrical Wiring
Power Supply Connections
ENABLE/DISABLE Circuit
Connecting An External Supervisory Control
Water Piping Diagrams
Water Line Connections Valve Discharge Pipe
Thermometers not Supplied
Water Potable Heating and Space Heating
Temperature Regulation
High Temperature Limit Control ECO
High Temperature Applications
Thermostat Control
Control System Operation
Overview
Control System Navigation
Menu Help
Status Icons
Icon Description
Operating States
State Description
Control System Menus
Menu Description
Back Help
User Settings & Control System Menus
Update Cancel
Change Back Help
Elapsed Time
Day 0 hrs 0 mins
Burner On Time
Hrs 22 mins
Back Advanced
View Back Help
ECO
Yesno
Update
Select Back Help
Name
Your Company Name Here
Initial Start UP
Start UP
Prior to Start UP
GAS Valve / Venturi Assembly TOP View
GAS Valve TOP View
GAS Valve Side View
GAS Valve TOP Detail View
Supply GAS Pressure Adjustment
Multiple Water Heater Installations
Manifold GAS Pressure Adjustment
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Checking the Firing Rate High Altitude Installations
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To Turn OFF GAS
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On/Off Switch
Lighting the Water Heater
Lighting & Operation Labels
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Menu Help
Tank Temperature 103F Operating Set Point 120F
Do not TRY to Light the Burner by Hand
Troubleshooting
Installation Checklist Sequence of Operation
Sequence of Operation Flow Chart
YES no
Operational Problems
Installation Errors
Rough STARTING, Rough Operation
Momentary Ignition
Fault and Alert Conditions
Heater Information menu see Heater Information on
Possible Causes CHECK/REPAIR Displayed FAULT/ALERT Message
Back Advanced
Blower Prover Failure
No Anode Voltage
Draining and Flushing
Maintenance
General Maintenance Schedule
Filling the Water Heater
Sediment Removal
Lime Scale Removal
Manual Lime Scale Removal
Powered Anode Rods
Drain Valve and Access Panels
TEMPERATURE-PRESSURE Relief Valve Test
Vent System
Diagrams
S1 Dipswitch
CCB Central Control Board Layout
Changing Number of Ignition Trials Before Lock OUT
HCG3 120 & 150 Wiring Diagram
Transformer 50VA
ON/OFF
Ground VAC Neutral VAC HOT
Ground Strip Burner Ground Inside CCB Burner Bolt Enclosure
HCG3 199 & 250 Wiring Diagram
11 on J6 Plug
Circulation Pump Wiring Diagrams
Water Piping Diagrams
Line Temperature Control HOT Water Return
HOT Water Outlet Pipe T&P to Open Drain
Finished Floor Cold Water Supply Expansion Tank
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Pipe T&P to Open Drain Finished Floor
Storage Tank
HOT Water Outlet
Storage Tanktemperature
Water Piping Diagrams
Open Drain HOT Water Return Cold Water Supply Expansion Tank
Full Port Ball Valve
Temperature & Pressure
HOT Water Outlet Pipe T&P to Open Drain Finished Floor
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