Owner`s manual

30816-3-0113 Page 11
Checkalllocalcodesforrequirements,especiallyforthesizeand
typeofgassupplylinerequired.
Recommended Gas Pipe Diameter
Pipe Length
Schedule 40 Pipe
Inside Diameter
Tubing,TypeL
Outside Diameter
Nat. L.P. Nat. L.P.
0-10 feet
0-3 meters
1/2”
12.7mm
3/8”
9.5mm
1/2”
12.7mm
3/8”
9.5mm
10-40 feet
4-12 meters
1/2”
12.7mm
1/2”
12.7mm
5/8”
15.9mm
1/2”
12.7mm
40-100 feet
13-30 meters
1/2”
12.7mm
1/2”
12.7mm
3/4”
19mm
1/2”
12.7mm
100-150 feet
31-46 meters
3/4”
19mm
1/2”
12.7mm
7/8”
22.2mm
3/4”
19mm
NOTICE: Neveruseplasticpipe.Checktoconrmwhetheryour
localcodesallowcoppertubingorgalvanized.
NOTICE: Since some municipalities have additional local codes, it is
alwaysbesttoconsultyourlocalauthorityandinstallationcode.
Installing a New Main Gas Cock
Eachapplianceshouldhaveitsownmanualgascock.
Amanualmaingascockshouldbelocatedinthevicinityoftheunit.
Wherenoneexists,orwhereitssizeorlocationisnotadequate,
contact your local authorized installer for installation or relocation.
Compoundsusedonthreadedjointsofgaspipingshallberesistant
totheactionofliqueedpetroleumgases.Thegaslinesmustbe
checkedforleaksbytheinstaller.Thisshouldbedonewithasoap
solutionwatchingforbubblesonallexposedconnections,andif
unexposed,apressuretestshouldbemade.
WARNING

must be disconnected from piping at inlet of control valve and
pipe capped or plugged for pressure test. Never pressure test

Agasvalveandgroundjointunionshouldbeinstalledinthegas
lineupstreamofthegascontroltoaidinservicing.Itisrequiredby
theNationalFuelGasCodethatadriplinebeinstallednearthegas
inlet. This should consist of a vertical length of pipe tee connected
intothegaslinethatiscappedonthebottominwhichcondensation
and foreign particles may collect.
The use of the following gas connectors is recommended:
— ANSZ21.24ApplianceConnectorsofCorrugatedMetalTubing
and Fittings
— ANSZ21.45AssembledFlexibleApplianceConnectorsofOther
Than All-Metal Construction
Theaboveconnectorsmaybeusedifacceptablebytheauthority
havingjurisdiction.ThestateofMassachusettsrequiresthataex-
ibleapplianceconnectorcannotexceedthreefeetinlength.
Pressure Testing of the Gas Supply System
1. Tochecktheinletpressuretothegasvalve,a1/8"(3mm)N.P.T.
pluggedtapping,accessiblefortestgaugeconnection,must
beplacedimmediatelyupstreamofthegassupplyconnection
to the appliance.
2. The appliance and its individual shutoff valve must be
disconnected from the gas supply piping system during any
pressuretestingofthatsystemattestpressuresinexcessof
1/2psig(3.5kPa).
3. The appliance must beisolated from thegas supply piping
systemby closingitsindividualmanual shutoffvalve during
any pressure testing of the gas supply piping system at test
pressuresequaltoorlessthan1/2psig(3.5kPa).
Figure 7
WARNING
Ifoneoftheaboveproceduresresultsinpressuresinexcessof
1/2psig(14"w.c.)(3.5kPa)ontheappliancegasvalve,itwill
result in a hazardous condition.
Checking Manifold Pressure
3 Series Millivolt Natural gas will have a manifold pressure of
approximately3.5"w.c.(.871kPa)formaximuminputor1.7"w.c.
(.423kPa)forminimuminputatthepressureregulatoroutletwith
the inlet pressure to the pressure regulator from a minimum of 5.0"
w.c.(1.120kPa)forthepurposeofinputadjustmenttoamaximum
of10.5"w.c.(2.614kPa).
2 Series Hydraulic Thermostat Natural gas will have a manifold
pressure of approximately 6.0" w.c. (1.49kPa) at the pressure
regulator outlet with the inlet pressure to the pressure regulator
from a minimum of 7.0" w.c. (1.74kPa) for the purpose of input
adjustmenttoamaximumof10.5"w.c.(2.615kPa).
3 Series Millivolt Propane gas will have a manifold pressure
approximately 10.0"w.c. (2.49kPa) for maximum input or
6.3"w.c.(1.568kPa) forminimum input atthe pressureregulator
outlet with the inlet pressure to the pressure regulator from
a minimum of 11.0"w.c. (2.739kPa) for the purpose of input
adjustmenttoamaximumof13.0"w.c.(3.237kPa). 
2 Series Hydraulic Thermostat Propane gas will have a manifold
pressureapproximately10.0"w.c.(2.49kPa)atthepressureregulator
outlet with the inlet pressure to the pressure regulator from a minimum
of11.0"w.c.(2.739kPa) forthe purposeofinput adjustment toa
maximumof13.0"w.c.(3.237kPa).
GAS SUPPLY