Installation Manual

Installation
18│Page
Sizethegaspipeappropriatelytosupplythenecessaryvolumeofgasrequiredforthe
T‐H2‐DV/T‐H2‐OS(199,000BTU/hforbothNaturalGasandLiquidPropane)using
ANSI233.1/NFPA54intheUSAorCAN/CSAB149.1inCanadaorlocalcodes.
Otherwise,flowcapabilitiesandoutputtemperatureswillbe
limited.
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4. Re‐openthemanualgasvalve.Checktoseethattherearenogasleaks.Opensomeofthefixtures
thatusethehighestflowratetoturnontheT‐H2‐DV/T‐H2‐OS.
5. Checktheinletgaspressure.WhenT‐H2‐DV/T‐H2‐OSis
onmaximumburn,themanometershould
readfrom5.0”to10.5”WCforNaturalgas,from8.0”to14.0”WCforLiquidPropane.
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1. Installaman ualgasshut‐offvalvebetweentheT‐H2‐DV/T‐H2‐OSandthegassupplyline.
2. When the gas connections
 are completed, it is necessary to perform a gas leak test either by
applyingsoapywatertoallgasfittingsandobservingforbubblesorbyusingagasleakdetection
device.
3. Alwayspurgethegaslineofanydebrisand/orwaterbeforeconnectingtothegasinlet.
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‐NaturalGasSupplyPiping‐
MaximumDeliveryCapacityofCubicFeetofGasperHourofIPSPipeCarryingNaturalGasof0.60SpecificGravity
BasedonPressureDropof0.5”WC
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BasedonEnergyContentof1000BTU/CubicFt.:T‐H2‐DV/T‐H2‐OSrequires199CubicFt./hr.
Unit:CubicFeetperHour
PipeSize LengthinFeet
Inches 10’ 20’ 30’ 40’ 50’ 60’ 70’ 80’ 90’ 100’ 125’ 150’ 200’
¾” 363 249 200 171 152 138 127 118 111 104 93 84 72
1” 684 470 377 323 286 259 239 222 208 197 174 158 135
1¼” 1,404 965 775 663 588 532 490 456 428 404 358 324 278
1½” 2,103 1,445 1,161 993 880 798 734 683 641 605 536 486 416
2” 4,050 2,784 2,235 1,913 1,696 1,536 1,413 1,315 1,234 1,165 1,033 936 801
‐Propane(LP)GasSupplyPiping‐
MaximumCapacityofPropane(LP)GasBasedon11”WCsupplypressureata0.5”WCpressuredrop
Unit:kBTUperHour
PipeSize LengthinFeet
Inches 10’ 20’ 30’ 40’ 50’ 60’ 70’ 80’ 90’ 100’ 125’ 150’ 200’
¾” 567 393 315 267 237 217 196 185 173 162 146 132 112
1” 1,071 732 590 504 448 409 378 346 322 307 275 252 213
1¼” 2,205 1,496 1,212 1,039 913 834 771 724 677 630 567 511 440
1½” 3,307 2,299 1,858 1,559 1,417 1,275 1,181 1,086 1,023 976 866 787 675
2” 6,221 4,331 3,465 2,992 2,646 2,394 2,205 2,047 1,921 1,811 1,606 1,496 1,260
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Formoreinformation,pleaseseethenextpage.
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