American Water Heater Commercial Gas Water Heaters Supply GAS Line Installation, GAS Line Sizing

Page 39

SUPPLY GAS LINE INSTALLATION

GAS LINE SIZING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

'HSHQGLQJRQWKHGHYHORSHGHTXLYDOHQWOHQJWKDQGRUWKHQXPEHU

&RQWDFW\RXUORFDOJDVXWLOLW\FRPSDQ\WRHQVXUHWKDWDGHTXDWH

RIDSSOLDQFHVFRQQHFWHGWRDFRPPRQPDLQWKHVL]HRIVXSSO\JDV

JDV VHUYLFH LV DYDLODEOH DQG WR UHYLHZ DSSOLFDEOH LQVWDOODWLRQ

OLQHVPD\KDYHWREHLQFUHDVHG

 

 

 

 

 

FRGHVIRU\RXUDUHD

6L]HWKHVXSSO\PDLQJDVOLQH V LQDFFRUGDQFHZLWK7DEOHRU

%HVXUHWKDWWKHJDVPHWHUKDVVXI¿FLHQWFDSDFLW\WRVXSSO\WKH

7DEOH7KHYDOXHVJLYHQLQ7DEOHDQG7DEOHDUHIRUVWUDLJKW

UDWHGJDVLQSXWRIWKHZDWHUKHDWHUDVZHOODVWKHUHTXLUHPHQWV

OHQJWKVRILURQSLSHDW:& 3D SUHVVXUHGURSZKLFK

RI DOO RWKHU JDV ¿UHG HTXLSPHQW VXSSOLHG E\ WKH PHWHU ,I WKH

LVFRQVLGHUHGQRUPDOIRUORZSUHVVXUHV\VWHPV1RWHWKDW¿WWLQJV

JDVPHWHULVXQGHUVL]HGWKHJDVFRPSDQ\ZLOOKDYHWRLQVWDOOD

VXFKDVHOERZVDQGWHHVZLOODGGWRWKHSLSHSUHVVXUHGURS

SURSHUO\VL]HGJDVPHWHU

6FKHGXOH6WHHORU:URXJKW,URQ3LSHLVWKHSUHIHUUHGPDWHULDO

 

 

 

 

 

 

 

 

 

IRUWKHJDVOLQHRIWKLVZDWHUKHDWHU,WLVLPSHUDWLYHWRIROORZWKH

 

 

 

 

 

 

 

 

 

VL]LQJUHFRPPHQGDWLRQVLQWKHODWHVWYHUVLRQRIWKH1DWLRQDO)XHO

 

 

 

 

 

 

 

 

 

*DV&RGHLI&RUUXJDWHG6WDLQOHVV6WHHO7XELQJ &667 LVXVHG

 

 

 

 

 

 

 

 

 

DVWKHJDVOLQHIRUWKLVZDWHUKHDWHU

 

 

 

 

 

 

 

 

Fire and Explosion Hazard

 

 

 

 

 

 

 

 

 

 

 

 

SUPPLY GAS LINE SIZING U. S. UNITS

 

 

 

 

 

 

 

Do not use water heater with any gas

 

 

 

 

 

 

 

 

 

 

 

TABLE 8

 

 

 

 

 

 

 

 

 

 

 

 

other than the gas shown on the rating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LENGTH

1250$/,5213,3(6,=(6 ,1&+(6

 

 

 

 

 

label.

 

 

 

 

 

 

 

 

 

IN

 

,1387,17+286$1'6%78+5

 

 

 

 

 

 

Excessive gas pressure to gas valve can

 

 

 

 

 

 

 

 

 

cause serious injury or death.

 

 

)((7

´

´

 

´

´

 

 

 

 

 

Turn off gas lines during installation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

175

360

 

680

1400

2100

3960

 

 

 

 

 

Contact a qualified installer or service

 

 

 

 

 

 

 

 

 

 

20

120

250

 

485

950

1460

2750

 

 

 

 

 

agency for installation and service.

 

 

 

 

 

 

 

 

 

 

 

 

 

30

97

200

 

375

770

1180

2200

 

0DNHVXUHJDVVXSSOLHGLVVDPHW\SHOLVWHGRQWKHZDWHUKHDWHU¶V

40

82

170

 

320

660

990

1900

 

UDWLQJODEHO

 

 

50

73

151

 

285

580

900

1680

 

7KH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO DUH QRW LQWHQGHG IRU

 

 

60

66

138

 

260

530

810

1520

 

RSHUDWLRQDWKLJKHUWKDQ´:& N3D IRUQDWXUDOJDVDQG

 

 

´:& N3D IRUSURSDQHJDVVXSSO\SUHVVXUHVHH7DEOH

70

61

125

 

240

490

750

1400

 

RQSDJH7KHZDWHUKHDWHUVFRYHUHGLQWKLVPDQXDOUHTXLUH

 

 

 

 

 

 

 

 

 

80

57

118

 

220

460

690

1300

 

VXSSO\JDVUHJXODWRUVWRPDLQWDLQUHTXLUHGVXSSO\JDVSUHVVXUH

 

 

90

53

110

 

205

430

650

1220

 

([SRVXUHWRKLJKHUJDVVXSSO\SUHVVXUHPD\FDXVHGDPDJHWRWKH

 

 

JDVFRQWUROVZKLFKFRXOGUHVXOWLQ¿UHRUH[SORVLRQ,IRYHUSUHVVXUH

100

50

103

 

195

400

620

1150

 

KDV RFFXUUHG VXFK DV WKURXJK LPSURSHU WHVWLQJ RI JDV OLQHV RU

 

 

 

 

 

 

 

 

 

125

44

93

 

175

360

550

1020

 

PDOIXQFWLRQ RI WKH VXSSO\ V\VWHP WKH ZDWHU KHDWHU¶V JDV YDOYH

 

 

150

40

84

 

160

325

500

950

 

PXVWEHFKHFNHGIRUVDIHRSHUDWLRQE\D4XDOL¿HG6HUYLFH$JHQF\

 

 

(QVXUHVXSSO\UHJXODWRUYHQWOLQHVDQGWKHVDIHW\YHQWYDOYHVDUH

175

37

77

 

145

300

460

850

 

SURWHFWHG DJDLQVW EORFNDJH7KHVH DUH FRPSRQHQWV RI WKH JDV

200

35

72

 

135

280

430

800

 

VXSSO\V\VWHPQRWWKHZDWHUKHDWHU9HQWEORFNDJHPD\RFFXU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GXULQJLFHVWRUPV

SUPPLY GAS LINE SIZING METRIC UNITS

 

 

 

,W LV LPSRUWDQW WR JXDUG DJDLQVW JDV YDOYH IRXOLQJ IURP

TABLE 9

 

 

 

 

 

 

 

 

FRQWDPLQDQWVLQWKHJDVZD\V6XFKIRXOLQJPD\FDXVHLPSURSHU

LENGTH

1250$/,5213,3(6,=(6 ,1&+(6

 

RSHUDWLRQ¿UHRUH[SORVLRQ,IFRSSHUVXSSO\OLQHVDUHXVHGWKH\

IN

 

 

 

INPUT IN kW

 

 

 

PXVWEHLQWHUQDOO\WLQQHGDQGFHUWL¿HGIRUJDVVHUYLFH

 

 

 

 

 

 

0(7(56

´

´

 

´

´

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REGULATED GAS

 

 

 

 



51

105

 

199

410

615

1160

 

 

 

 

 

 



35

73

 

142

278

428

805

 

 

 

 

 

 

 

 

SUPPLY LINE

 

 

 

 

 

MAIN GAS

 



28

59

 

110

225

346

644

 

 

 

SHUTOFF VALVE

 



24

50

 

94

193

290

556

 

 

 

TEE FITTING

 

 

 

 

 

 

 

 

 

 

 

 

 



21

44

 

83

170

264

492

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEDIMENT TRAP

 



19

40

 

76

155

237

445

 

 

 

PIPE CAP

 



18

37

 

70

143

220

410

 

 

 

 



17

35

 

64

135

202

381

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



16

32

 

60

126

190

357

 

 

 

 

 

Figure 52

 

 

 

 



15

30

 

57

117

182

337

 

(QVXUHDOOJDVSLSHLVFOHDQRQWKHLQVLGHEHIRUHLQVWDOODWLRQ7R

 

 



13

27

 

51

105

161

299

 

WUDSDQ\GLUWRUIRUHLJQPDWHULDOLQWKHJDVVXSSO\OLQHDVHGLPHQW

 

 



12

25

 

47

95

146

278

 

WUDSPXVWEHLQVWDOOHGDVVKRZQLQ)LJXUH7KHVHGLPHQWWUDS

 

 

PXVWEHUHDGLO\DFFHVVLEOHDQGQRWVXEMHFWWRIUHH]LQJFRQGLWLRQV



11

23

 

42

88

135

249

 

,QVWDOOLQDFFRUGDQFHZLWKWKHUHFRPPHQGDWLRQVRIWKHORFDOJDV

 

 

 

 

 

 

 

 

 



10

21

 

40

82

126

234

 

XWLOLW\FRPSDQ\

 

 

 

 

 

 

 

 

 

 

 

39

Image 39
Contents 7KDQN\RXIRUEX\LQJWKLVHQHUJ\HI¿FLHQWZDWHUKHDWHU Installation Operation Service Maintenance Limited WarrantyDSSUHFLDWH\RXUFRQ¿GHQFHLQRXUSURGXFWV American Water HeaterTable of Contents KHDWHUVFRYHUHGLQWKLVPDQXDO Safe INSTALLATION, USE and ServiceApprovals SRWHQWLDOHSRVXUHWRVXFKVXEVWDQFHVHydrogen GAS Flammable General Safety InformationPrecautions Grounding InstructionsFire or Explosion Hazard Installing, using or servicing Water heaterAbbreviations Used Preparing for the InstallationQualified Installer or Service Agency IntroductionBasic Operation Features and ComponentsHCG3 120 & 150 Components TOP ViewsHCG3 199 & 250 Components ,QWDNHDLUFRQQHFWLRQLQFK39& 3RZHUHGDQRGHURGV7KHZDWHUKHDWHU¶VFRYHUHGLQWKLV RQSDJHDQG&RQGHQVDWHUDLQ,QVWDOODWLRQRQSDJH Side Views DWHURXWOHWSLSH´137FRQQHFWLRQ 9HQWFRQQHFWLRQ HKDXVWHOERZ LQFK39&Front Installation ConsiderationsRough in Dimensions TOP ViewsGAS Line Connection Size Recovery CapacitiesGAS Pressure Requirements Locating the Water HeaterCirculation Pumps Extended Vent TerminationsOptional Concentric Terminations Hard WaterSupply GAS Regulator Installation RequirementsPower Supply GAS Supply SystemsThermal Expansion Mixing ValvesDishwashing Machines Closed Water SystemsValve Discharge Pipe Requirements TEMPERATURE-PRESSURE Relief ValveCondensate Drain Water Trap Condensate DrainCombustible Material Storage Contaminated AIRUnusually Tight Construction AIR RequirementsUnconfined Space Confined SpaceOutdoor AIR Through TWO Horizontal Ducts Fresh AIR Openings for Confined SpacesOutdoor AIR Through TWO Openings Outdoor AIR Through ONE OpeningWKDQLQFKHV FP  Outdoor AIR Through TWO Vertical DuctsAIR from Other Indoor Spaces RXWGRRUV6HHLJXUHSignage Installation of Carbon Monoxide DetectorsCommonwealth of Massachusetts Inspection Approved Carbon Monoxide DetectorsGeneral Venting Instructions Venting InstallationPower Vent Configuration General Venting InformationINSPECT/ADJUST Intake AIR TEE Fitting Adjustment ProcedureHCG3 100T 199 & SUF 250 Intake AIR Connection Venting Requirements Venting Installation Sequence Power Vent InstallationDirect Vent Installation Pipe Field Supplied Installed Intake AIRField Supplied Factory Installed Intake AIR Connection Remove for Direct VentVertical Termination Installation Field Supplied STRAP/SUPPORT Vertical Terminations InstallationVertical Termination Direct Vent Vertical Terminations Flat Roof ClearanceOHDVWLQFKHV FP 6HHLJXUH Sidewall Termination InstallationSidewall Termination Installation SDVVWKURXJKWKHZDOOVDPHORFDWLRQ Concentric Termination InstallationConcentric Termination Flat Roof Clearance QDWLRQDOFRGHVPXVWEHPDLQWDLQHGInch Concentric Termination KIT Inch Concentric Termination InstallationEight Concentric Terminations TWO Concentric TerminationsThree Concentric Terminations Four Concentric TerminationsJURXSVGHSHQGLQJRQDYDLODEOHVSDFH Multiple Concentric Termination ArrangementsTwo Concentric Terminations Eight Concentric TerminationsPower Vent Horizontal Venting ArrangementsDirect Vent Horizontal Direct Vent Vertical Vent Horizontal Intake Direct Vent Horizontal Vent Vertical IntakeDirect Vent Horizontal Concentric Power Vent Termination Clearances Sidewall Power VentDirect Vent Termination Clearances Sidewall Direct VentInstallation Instructions Water Heater InstallationCondensate Drain Installation Installation NotesSupply GAS Line Sizing Metric Units Supply GAS Line InstallationGAS Line Sizing Supply GAS Line Sizing U. S. UnitsGAS Line Leak Testing PurgingGAS Line Connection Connecting An External Supervisory Control Electrical WiringPower Supply Connections ENABLE/DISABLE CircuitWater Potable Heating and Space Heating Water Piping DiagramsWater Line Connections Valve Discharge Pipe Thermometers not SuppliedThermostat Control Temperature RegulationHigh Temperature Limit Control ECO High Temperature ApplicationsMenu Help Control System OperationOverview Control System NavigationIcon Description Status IconsMenu Description Operating StatesState Description Control System MenusUser Settings & Control System Menus Update CancelBack Help Change Back Help Hrs 22 mins Elapsed TimeDay 0 hrs 0 mins Burner On TimeYesno Back AdvancedView Back Help ECOYour Company Name Here UpdateSelect Back Help NameStart UP Prior to Start UPInitial Start UP GAS Valve TOP Detail View GAS Valve / Venturi Assembly TOP ViewGAS Valve TOP View GAS Valve Side ViewPDQXDOIRUIXUWKHUDVVLVWDQFH Supply GAS Pressure AdjustmentMultiple Water Heater Installations Manifold GAS Pressure AdjustmentFLUFXPVWDQFHV Checking the Firing Rate High Altitude Installations‡  VHFRQGVLQRQHKRXU To Turn OFF GASDQGRSHUDWLQJWKHZDWHUKHDWHU On/Off SwitchLighting the Water Heater Lighting & Operation LabelsTank Temperature 103F Operating Set Point 120F Do not TRY to Light the Burner by HandMenu Help Installation Checklist Sequence of Operation TroubleshootingYES no Sequence of Operation Flow ChartMomentary Ignition Operational ProblemsInstallation Errors Rough STARTING, Rough OperationFault and Alert Conditions Possible Causes CHECK/REPAIR Displayed FAULT/ALERT Message Back AdvancedHeater Information menu see Heater Information on No Anode Voltage Blower Prover FailureMaintenance General Maintenance ScheduleDraining and Flushing Manual Lime Scale Removal Filling the Water HeaterSediment Removal Lime Scale RemovalVent System Powered Anode RodsDrain Valve and Access Panels TEMPERATURE-PRESSURE Relief Valve TestChanging Number of Ignition Trials Before Lock OUT DiagramsS1 Dipswitch CCB Central Control Board LayoutGround VAC Neutral VAC HOT HCG3 120 & 150 Wiring DiagramTransformer 50VA ON/OFFHCG3 199 & 250 Wiring Diagram 11 on J6 PlugGround Strip Burner Ground Inside CCB Burner Bolt Enclosure Circulation Pump Wiring Diagrams Finished Floor Cold Water Supply Expansion Tank Water Piping DiagramsLine Temperature Control HOT Water Return HOT Water Outlet Pipe T&P to Open Drain6HH0LLQJ9DOYHVRQSDJH 6HH&ORVHG6\VWHPVDQG7KHUPDOSDQVLRQRQSDJH6HHDWHU/LQH&RQQHFWLRQVRQSDJH HIRUHLQVWDOODWLRQRIZDWHUSLSLQJUHYLHZWKHIROORZLQJStorage Tank HOT Water OutletPipe T&P to Open Drain Finished Floor Storage Tanktemperature Water Piping Diagrams Open Drain HOT Water Return Cold Water Supply Expansion Tank Temperature & Pressure HOT Water Outlet Pipe T&P to Open Drain Finished FloorFull Port Ball Valve 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.