Operating instructions

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3ECTION#ONTROLS
&UEL0UMP#ONTROLSAND/PERATION
s &UEL2EGULATOR
!&UELREGULATORISUSEDTOADJUSTTHEFUELPRESSUREOFWASTEOILTOTHEBURNER
s &UEL2ELIEF6ALVE
4HEFUELRELIEFVALVEPREVENTSEXCESSPRESSUREBUILDUPINTHEFUELLINEUPONBURNERSHUTDOWN
"OILER#ONTROLSAND/PERATION
s (I,IMIT3WITCH
(ILIMITSWITCHESAREIMMERSIONTYPEDEVICESFORREGULATINGTHETEMPERATUREOFLIQUIDSINABOILERWHERETEMPERATURE
CONTROLISREQUIRED4HE(ILIMITSWITCHISMOUNTEDTOTHESUPPLYMANIFOLDATTHEREAROFTHEBOILERSEEPAGEFOR
DETAILS
s ,OW7ATER#UT/UT
4HELOWWATERCUTOUTSWITCHISLOCATEDONTHESUPPLYMANIFOLDATTHEREAROFTHEBOILER 4HISDEVICEWILLTURNTHESYS
TEMOFFIFITSENSESLOWWATERLEVELSORPRESSURE4HELOWWATERCUTOUTSWITCHISMOUNTEDTOTHEMANIFOLDATTHEREAR
OFTHEBOILERSEEPAGEFORDETAILS
s !QUASTAT
4HEAQUASTATISANIMMERSIONTYPEDEVICEFORLIMITINGTHETEMPERATUREOFLIQUIDSINABOILER4HEAQUASTATISMOUNTED
TOTHECABINETANDTHESENSORISINSTALLEDATTHEREAROFTHEBOILERNEXTTOTHEPRESSURERELIEFVALVESEEPAGE
s 0RESSURE2ELIEF6ALVE
4HE0RESSURE2ELIEF6ALVEISMOUNTEDTOTHETOPOFTHEBOILERNEARTHEREAR4HISVALVEISUSEDTOAUTOMATICALLYOR
MANUALLYRELEASEEXCESSPRESSUREWHICHMAYBEPRESENTINTHEBOILER 3EEPAGE
s 4EMPERATURE0RESSURE'AUGE
4HISDUALPURPOSEGAUGEMONITORSSUPPLYTEMPERATUREANDPRESSURE4HETEMPERATUREPRESSUREGAUGEISMOUNTED
TOTHESUPPLYMANIFOLDATTHEREAROFTHEBOILERSEEPAGE
3ECTION3TART5P0ROCEDURES
"OILER3TART5P &ILL3YSTEM
 &ILLBOILERANDSYSTEMACCORDINGTOJOBSPECIFICATIONS 3YSTEMPRESSURESHOULDBESETTOHAVE03)PRESSUREATTHE
HIGHESTPOINTINTHEHEATINGSYSTEM "OILERPRESSUREGAUGEWILLINDICATEPRESSURERELATIVETOTHEHEIGHTOFWATERCOL
UMNFROMTHEBOILERTOTHEHIGHESTPOINT PLUSTHEADDITIONAL03)
%XAMPLE 4OCALCULATECOLDFILLPRESSURE (IGHESTPOINTINSYSTEMIS Á 03)FTWC
!DD03)TO03) BOILERPRESSUREGAUGEWILLINDICATE03)COLDFILLPRESSURE
 0URGEAIRFROMBOILERANDSYSTEM 7!2.).' .EVERPURGESYSTEMWHILEBOILERISINOPERATIONORFILLAHOTEMPTY
BOILERWITHCOLDWATER
 -IN2ETURNWATERTEMPERATURE&
4HEEXPANSIONTANKMUSTBEPROPERLYSIZEDTOSYSTEMREQUIREMENTS !NUNDERSIZEDEXPANSIONTANKWILL
CAUSESYSTEMWATERTOBELOSTTHROUGHTHERELIEFVALVEANDMAKEUPWATERTOBEINTRODUCEDTHROUGHTHEFILL
VALVEEVENTUALLYCAUSINGMINERALBUILDUPINTHEBOILERSECTIONSWHICHCOULDLEADTOEVENTUALSECTIONFAILURE
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