American Water Heater AHCG/HCG3 60T 120 - AHCG3/HCG3 100T 250 Lighting the Water Heater

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LIGHTING THE WATER HEATER

LIGHTING & OPERATION LABELS

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A/HCG3 60T 120 AND A/HCG3 100T 150 MODELS ONLY

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.

A.This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

B.BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

“WHAT TO DO IF YOU SMELL GAS”

%Do not try to light any appliance.

%Do not touch any electrical switch; do not use any telephone in your building.

%Immediately call your gas supplier from a neighbor’s

telephone. Follow the gas supplier’s instructions.

%If you cannot reach your gas supplier, call the fire department.

C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service technician. Force or attempted repair may result in fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

OPERATING INSTRUCTIONS

1.

STOP! Read the safety information above on this

 

label.

2.

Set thermostat to lowest setting.

3.

Turn off all electrical power to the appliance.

4.

This appliance is equipped with an ignition device which

7.Turn on all electrical power to the appliance.

8.Set thermostat to desired setting.

9.If the appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your service technician or gas supplier.

automatically lights the burner. Do not try to light the

burner by hand.

5. Move “Off/On” switch to the “Off” position.

Wait five (5) minutes to clear out any gas. If you then

smell gas,

STOP! Follow “B” in the safety information

above on

this label. If you don’t smell gas, go on to

the next step.

 

6.Move “Off/On” switch to the “On” position.

On/Off Switch

 

ON

OFF

F L O W

REG ADJUST

TO TURN OFF GAS TO APPLIANCE

1.Set the thermostat to lowest setting.

2.Turn off all electrical power to the appliance if service is to be performed.

3.MOve “Off/On” switch to the “Off” position. Do not force.

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Contents Installation Operation Service Maintenance Limited Warranty DSSUHFLDWH\RXUFRQ¿GHQFHLQRXUSURGXFWVAmerican Water Heater 7KDQN\RXIRUEX\LQJWKLVHQHUJ\HI¿FLHQWZDWHUKHDWHUTable of Contents Safe INSTALLATION, USE and Service ApprovalsSRWHQWLDOHSRVXUHWRVXFKVXEVWDQFHV KHDWHUVFRYHUHGLQWKLVPDQXDOGeneral Safety Information PrecautionsGrounding Instructions Hydrogen GAS FlammableInstalling, using or servicing Water heater Fire or Explosion HazardPreparing for the Installation Qualified Installer or Service AgencyIntroduction Abbreviations UsedFeatures and Components Basic OperationTOP Views HCG3 120 & 150 Components 3RZHUHGDQRGHURGV7KHZDWHUKHDWHU¶VFRYHUHGLQWKLV HCG3 199 & 250 Components,QWDNHDLUFRQQHFWLRQLQFK39& Side Views  DWHURXWOHWSLSH´137FRQQHFWLRQ9HQWFRQQHFWLRQ HKDXVWHOERZ LQFK39& RQSDJHDQG&RQGHQVDWHUDLQ,QVWDOODWLRQRQSDJHInstallation Considerations Rough in DimensionsTOP Views FrontRecovery Capacities GAS Pressure RequirementsLocating the Water Heater GAS Line Connection SizeExtended Vent Terminations Optional Concentric TerminationsHard Water Circulation PumpsInstallation Requirements Power SupplyGAS Supply Systems Supply GAS RegulatorMixing Valves Dishwashing MachinesClosed Water Systems Thermal ExpansionTEMPERATURE-PRESSURE Relief Valve Valve Discharge Pipe RequirementsCondensate Drain Combustible Material StorageContaminated AIR Condensate Drain Water TrapAIR Requirements Unconfined SpaceConfined Space Unusually Tight ConstructionFresh AIR Openings for Confined Spaces Outdoor AIR Through TWO OpeningsOutdoor AIR Through ONE Opening Outdoor AIR Through TWO Horizontal DuctsOutdoor AIR Through TWO Vertical Ducts AIR from Other Indoor SpacesRXWGRRUV6HHLJXUH WKDQLQFKHV FP Installation of Carbon Monoxide Detectors Commonwealth of Massachusetts InspectionApproved Carbon Monoxide Detectors SignageVenting Installation Power Vent ConfigurationGeneral Venting Information General Venting InstructionsHCG3 100T 199 & SUF 250 Intake AIR Connection INSPECT/ADJUST Intake AIR TEE FittingAdjustment Procedure Venting Requirements Direct Vent Installation Venting Installation SequencePower Vent Installation Supplied Installed Intake AIR Field Supplied Factory Installed Intake AIR ConnectionRemove for Direct Vent Pipe FieldVertical Termination Installation Vertical Terminations Installation Vertical Termination Direct VentVertical Terminations Flat Roof Clearance Field Supplied STRAP/SUPPORTSidewall Termination Installation Sidewall Termination InstallationSDVVWKURXJKWKHZDOO OHDVWLQFKHV FP 6HHLJXUHConcentric Termination Installation Concentric Termination Flat Roof ClearanceQDWLRQDOFRGHVPXVWEHPDLQWDLQHG VDPHORFDWLRQInch Concentric Termination Installation Inch Concentric Termination KITTWO Concentric Terminations Three Concentric TerminationsFour Concentric Terminations Eight Concentric TerminationsMultiple Concentric Termination Arrangements Two Concentric TerminationsEight Concentric Terminations JURXSVGHSHQGLQJRQDYDLODEOHVSDFHDirect Vent Horizontal Power Vent HorizontalVenting Arrangements Direct Vent Horizontal Concentric Direct Vent Vertical Vent Horizontal IntakeDirect Vent Horizontal Vent Vertical Intake Termination Clearances Sidewall Power Vent Power VentTermination Clearances Sidewall Direct Vent Direct VentWater Heater Installation Condensate Drain InstallationInstallation Notes Installation InstructionsSupply GAS Line Installation GAS Line SizingSupply GAS Line Sizing U. S. Units Supply GAS Line Sizing Metric UnitsGAS Line Connection GAS Line Leak TestingPurging Electrical Wiring Power Supply ConnectionsENABLE/DISABLE Circuit Connecting An External Supervisory ControlWater Piping Diagrams Water Line Connections Valve Discharge PipeThermometers not Supplied Water Potable Heating and Space HeatingTemperature Regulation High Temperature Limit Control ECOHigh Temperature Applications Thermostat ControlControl System Operation OverviewControl System Navigation Menu HelpStatus Icons Icon DescriptionOperating States State DescriptionControl System Menus Menu DescriptionBack Help User Settings & Control System MenusUpdate Cancel Change Back Help Elapsed Time Day 0 hrs 0 minsBurner On Time Hrs 22 minsBack Advanced View Back HelpECO YesnoUpdate Select Back HelpName Your Company Name HereInitial Start UP Start UPPrior to Start UP GAS Valve / Venturi Assembly TOP View GAS Valve TOP ViewGAS Valve Side View GAS Valve TOP Detail ViewSupply GAS Pressure Adjustment Multiple Water Heater InstallationsManifold GAS Pressure Adjustment PDQXDOIRUIXUWKHUDVVLVWDQFHChecking the Firing Rate High Altitude Installations ‡  VHFRQGVLQRQHKRXUTo Turn OFF GAS FLUFXPVWDQFHVOn/Off Switch Lighting the Water HeaterLighting & Operation Labels DQGRSHUDWLQJWKHZDWHUKHDWHUMenu Help Tank Temperature 103F Operating Set Point 120FDo not TRY to Light the Burner by Hand Troubleshooting Installation Checklist Sequence of OperationSequence of Operation Flow Chart YES noOperational Problems Installation ErrorsRough STARTING, Rough Operation Momentary IgnitionFault and Alert Conditions Heater Information menu see Heater Information on Possible Causes CHECK/REPAIR Displayed FAULT/ALERT MessageBack Advanced Blower Prover Failure No Anode VoltageDraining and Flushing MaintenanceGeneral Maintenance Schedule Filling the Water Heater Sediment RemovalLime Scale Removal Manual Lime Scale RemovalPowered Anode Rods Drain Valve and Access PanelsTEMPERATURE-PRESSURE Relief Valve Test Vent SystemDiagrams S1 DipswitchCCB Central Control Board Layout Changing Number of Ignition Trials Before Lock OUTHCG3 120 & 150 Wiring Diagram Transformer 50VAON/OFF Ground VAC Neutral VAC HOTGround Strip Burner Ground Inside CCB Burner Bolt Enclosure HCG3 199 & 250 Wiring Diagram11 on J6 Plug Circulation Pump Wiring Diagrams Water Piping Diagrams Line Temperature Control HOT Water ReturnHOT Water Outlet Pipe T&P to Open Drain Finished Floor Cold Water Supply Expansion Tank6HH&ORVHG6\VWHPVDQG7KHUPDOSDQVLRQRQSDJH 6HHDWHU/LQH&RQQHFWLRQVRQSDJHHIRUHLQVWDOODWLRQRIZDWHUSLSLQJUHYLHZWKHIROORZLQJ 6HH0LLQJ9DOYHVRQSDJHPipe T&P to Open Drain Finished Floor Storage TankHOT Water Outlet Storage Tanktemperature Water Piping Diagrams Open Drain HOT Water Return Cold Water Supply Expansion Tank Full Port Ball Valve Temperature & PressureHOT Water Outlet Pipe T&P to Open Drain Finished Floor 6&XVWRPHUV Page ZZZDPHULFDQZDWHUKHDWHUFRP

AHCG/HCG3 60T 120 - AHCG3/HCG3 100T 250, Commercial Gas Water Heaters specifications

American Water Heater's Commercial Gas Water Heaters, particularly the AHCG/HCG3 60T 120 and AHCG3/HCG3 100T 250 models, stand out in the market for their impressive performance and reliable efficiency. Designed to meet the demanding needs of commercial applications, these gas water heaters provide an optimal solution for businesses requiring consistent hot water supply.

One of the main features of the AHCG/HCG3 series is its exceptional heat capacity. The models are engineered to deliver high recovery rates, ensuring that adequate hot water is available even during peak demand periods. The AHCG/HCG3 60T 120 can yield a robust output, ideal for smaller to medium-sized facilities, while the AHCG3/HCG3 100T 250 is designed for larger operations that require enhanced capacity.

These water heaters incorporate innovative technologies to maximize efficiency. The use of a high-efficiency burner system significantly reduces gas consumption, earning these models an Energy Factor rating that complies with modern energy standards. Additionally, the inclusion of a direct vent design allows for safe and efficient exhaust management, further promoting the energy-saving capabilities of these units.

The design of these commercial water heaters prioritizes durability and longevity. Constructed with heavy-duty components, including a corrosion-resistant water tank, these models are built to last, reducing the need for frequent replacements and maintenance. They also feature an advanced control system that monitors and adjusts the operation for optimal performance, enhancing user experience while decreasing operational costs.

Another notable characteristic of the AHCG/HCG3 series is their flexibility in installation. Both the 60T 120 and the 100T 250 models offer various venting options, which means they can easily fit into the existing infrastructure of many commercial facilities. This versatility facilitates a seamless integration process, saving time and resources during installation.

With a commitment to providing effective hot water solutions, American Water Heater continues to innovate, making the AHCG/HCG3 series a valuable addition to any commercial establishment. From restaurants to laundromats and beyond, these gas water heaters deliver reliable performance, ensuring that businesses can operate smoothly and efficiently.