User guide

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8
L25‐056(11/13)R1
4. GASSETTINGS
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Regulator pressure must be measured and adjusted before the unit goes into
service, following installation and when operational performance is in question. A
soft blue flame, just short of a yellow tip, gives the best results; combustion air can
be adjusted by opening or closing the air shutter slightly.
5. LIGHTINGINSTRUCTIONS
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A. FOCUSSERIESMODELSWITHOUTSAFETYPILOT
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1. TurnallburnerstoOFF.
2. Removethetopgrid(s).
3. Removethelastradiant(s)closesttotheside(s)oftheunit.
4. TurntherunnertubevalvetoON.
5. Lighttherunnertube.
Note:Ifrunnertubedoesnotlightwaitafewseconds,thentryagain.
6. Replacetheradiant(s)andtopgrid(s).Pushandturntheburnervalvestooperatethe
individualburnersasneeded.
7. Ifanyburnerfailstolightfromrunnertube,shutoffalltheburnersandtherunnertube.DO
NOTattempttore‐lightforfiveminutesaftershutdown.Repeat
steps1thru6.Ifunitstill
failstooperateproperly,contactauthorizedservicepersonnel.
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BROILERSHUTDOWN
TurnallburnerstoOFF.
TurntherunnertubevalvetoOFF.
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