Daikin 90 Plus AFUE - Gas Pressure and Manifold Testing

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©2014DaikinNorthAmerica,LLC
GasPressureTest
FieldTestModeOnly
 Allowsgasvalvepressuretobe
checkedat100%firingrate.
 StepstotestGasPressure:
 Pushthe“FAULTRECALL”and
“LEARN”pushbuttonsgreater
thanonesecond.
 Faultdisplaywillgoblank.
 Releasebuttons within5
seconds
 Displaywillflash“Ft”to
indicatethatyouarenowinthe
“testmode.”
 Thecontrolwillforceahigh
capacitydemandatthistime.
©2014DaikinNorthAmerica,LLC
GasPressureTest
 Cont:
 The“Ft”willflashuntilthefurnacehasreached100%.
 Solid“FT”once100%capacityisachieved.
 A5‐minutetimerhasjuststarted.
 Thelinepressuresuppliedtothegasvalvemustbewithinthe
rangespecifiedbelow:
 Supplypressurecanbemeasuredatthegasvalveinletpressuretap.
 ThesupplypressureMUSTbemeasuredwiththeburnersoperating.
InletGasSupplyPressure
NaturalGas Minimum:4.5”w.c. Maximum:10.0”w.c.
PropaneGas Minimum: 11.0”w.c. Maximum:13.0”w.c.