Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain CGA25SPDN manual 9b Operating instructions CGa-25to CGa-6

Models: CGA25SPDN

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GOLD CGa Gas-Fired Water Boiler — Boiler Manual

9b Operating instructions CGa-25 to CGa-6

ss3PARK PILOT K PsI .ATURAL GAS ss 'AS VALVE 2OBERTSHAWW

Part Number 550-101-009/0107

Page 41

Image 41

Weil-McLain CGA25SPDN manual 9b Operating instructions CGa-25to CGa-6, GOLD CGa Gas-FiredWater Boiler - Boiler Manual

Contents

Boiler Manual GOLD CGaGas-FiredWater Boilers ss3TARTUP ss0ARTSGOLD CGa Gas-FiredWater Boiler - Boiler Manual How it worksSpill switch Water temperature limit switchGOLD CGa Gas-FiredWater Boiler - Boiler Manual GOLD CGa Gas-FiredWater BoilerGOLD CGa Gas-FiredWater Boiler - Boiler Manual ContentsWhen servicing boiler Please read before proceedingGOLD CGa Gas-FiredWater Boiler - Boiler Manual Boiler operationInstallations must follow these codes 1a Prepare boiler location - codes & checklistGOLD CGa Gas-FiredWater Boiler - Boiler Manual Before locating the boiler, check the followingResidential garage installations 1b Prepare boiler location - clearancesGOLD CGa Gas-FiredWater Boiler - Boiler Manual FoundationChimney or vent require- ments 1c Prepare boiler location - vent systemGOLD CGa Gas-FiredWater Boiler - Boiler Manual GOLD CGa Gas-FiredWater Boiler - Boiler Manual 1d Prepare boiler location - air contaminationssREMOVE CONTAMINANTSNPERMANENTLY Products to avoidTHEHBOILER #HECKETHEHBOILER PLACEMENTECOMPARED 1e Prepare boiler location - air openingsGOLD CGa Gas-FiredWater Boiler - Boiler Manual Air openings must be providedExhaust fans and air movers GOLD CGa Gas-FiredWater Boiler - Boiler ManualMotorized air dampers Single air opening optionwhen required 2a Prepare boiler - placement and setupGOLD CGa Gas-FiredWater Boiler - Boiler Manual #HECKELEVELGOLD CGa Gas-FiredWater Boiler - Boiler Manual 2b Prepare boiler - pressure testPrepare boiler for test Fill and pressure testPrepare boiler - install vent piping Prepare boiler - draft hood & spill switchDraft hood installation Spill switch installationInstallation 2e Prepare boiler - vent damper installationGOLD CGa Gas-FiredWater Boiler - Boiler Manual Damper bladePressure/temperature gauge 3a Water piping - general informationGOLD CGa Gas-FiredWater Boiler - Boiler Manual General piping informationClosed-typeexpansion tank 3b Water piping - single-zonesystemGOLD CGa Gas-FiredWater Boiler - Boiler Manual GOLD CGa Gas-FiredWater Boiler - Boiler Manual 3c Water piping - multiple zonesPiping multiple zones Converted gravity or steam systemsGOLD CGa Gas-FiredWater Boiler - Boiler Manual 3c Water piping - multiple zones continuedTemperature gauges 3d Piping - low temperature systemsValve adjustment Figures 13 and 14 only GOLD CGa Gas-FiredWater Boiler - Boiler Manual8LENDETEMPERATUREMGAUGE 3d Piping - low temperature systems continuedGOLD CGa Gas-FiredWater Boiler - Boiler Manual 1OILER ISOLATION BALANCING VALVESTemperature gauges 3d Piping - low temperature systems continuedValve adjustment GOLD CGa Gas-FiredWater Boiler - Boiler Manual8LENDETEMPERATUREMGAUGE 3d Piping - low temperature systems continuedGOLD CGa Gas-FiredWater Boiler - Boiler Manual 1OILER ISOLATION BALANCING VALVESValve adjustment 3d Piping - low temperature systems continuedGOLD CGa Gas-FiredWater Boiler - Boiler Manual SYSTEM-bypasspiping methodGOLD CGa Gas-FiredWater Boiler - Boiler Manual 3e Water piping - refrigeration systems3d Piping - low temperature systems continued GOLD CGa Gas-FiredWater Boiler - Boiler Manual 4Gas pipingss -ANIFOLDGAS PRESSURE vPWC vWC MAXIMUMInstallation must comply with Field wiringWiring connections GOLD CGa Gas-FiredWater Boiler - Boiler ManualFreeze protection when used 6a Start-up- preparationGOLD CGa Gas-FiredWater Boiler - Boiler Manual Check for gas leaksGOLD CGa Gas-FiredWater Boiler - Boiler Manual 6a Start-up- preparation continuedFill the system with water Inspect system water pipingGOLD CGa Gas-FiredWater Boiler - Boiler Manual 6b Start-up- operate boilerEFORE STARTINGSTHEABOILERNDO THE FOLLOWING ss6ERIFY THE BOILERHAND SYSTEM ARE FULL OFLWATER6c Start-up- if boiler doesn’t start 6b Start-up- operate boiler continuedSERVICEVSWITCH OFF GOLD CGa Gas-FiredWater Boiler - Boiler ManualGOLD CGa Gas-FiredWater Boiler - Boiler Manual 6d Start-up- verify operationPilot burner ﬂame &IGURE Main burner ﬂame &IGURE Installation and service certiﬁcate 7Check-outprocedure - checklistOOUTTON ONOSPILLOSWITCH PUSHEDLIN GOLD CGa Gas-FiredWater Boiler - Boiler ManualGOLD CGa Gas-FiredWater Boiler - Boiler Manual 8a Operation - standing pilot boilersGOLD CGa Gas-FiredWater Boiler - Boiler Manual 8b Lighting instructions CGa-25to CGa-8GOLD CGa Gas-FiredWater Boiler - Boiler Manual 8b Lighting instructions CGa-25to CGa-8GOLD CGa Gas-FiredWater Boiler - Boiler Manual 9a Operation - spark-ignitedpilot boilersO GAS mOWSSTO PILOT OR MAIN GAS VALVE TIONO#IRCULATOR ISCSHUT OFFGOLD CGa Gas-FiredWater Boiler - Boiler Manual GOLD CGa Gas-FiredWater Boiler - Boiler Manual GOLD CGa Gas-FiredWater Boiler - Boiler Manual 9b Operating instructions CGa-25to CGa-8ss 3PARK PILOT K PsI .ATURAL GAS ss AS VALVE ONEYWELLE6262GOLD CGa Gas-FiredWater Boiler - Boiler Manual 9b Operating instructions CGa-25to CGa-6GOLD CGa Gas-FiredWater Boiler - Boiler Manual 9b Operating instructions CGa-25to CGa-6ss 3PARK PILOT K PsI .ATURAL GAS ss AS VALVE 7HITE2ODGERSS%GOLD CGa Gas-FiredWater Boiler - Boiler Manual 9b Operating instructions CGa-7to CGa-8ss 3PARK PILOT K PsI .ATURAL GAS ss AS VALVE 7HITE2ODGERSS#Service technician 10a Service and maintenance - scheduleOwner maintenance GOLD CGa Gas-FiredWater Boiler - Boiler ManualOInspect 10b Service & maintenance - annual start-upReported problems GOLD CGa Gas-FiredWater Boiler - Boiler ManualOService 10b Service & maintenance - annual start-up contOStart-up OInspect10b Service & maintenance - annual start-up cont OCheck/testGOLD CGa Gas-FiredWater Boiler - Boiler Manual Gas piping10b Service & maintenance - annual start-up cont OCheck/test continuedGOLD CGa Gas-FiredWater Boiler - Boiler Manual OReview with ownerOCleaning boiler heating surfaces 11a Troubleshooting - procedure10b Service & maintenance - annual start-up cont GOLD CGa Gas-FiredWater Boiler - Boiler ManualGOLD CGa Gas-FiredWater Boiler - Boiler Manual 11a Troubleshooting - procedure continuedEfﬁkal or Field Controls damper ASAPRESSURESGOLD CGa Gas-FiredWater Boiler - Boiler Manual 11b Troubleshooting - standing pilot boilersCHART 1 - Standing pilot - Boiler will not fire Control indicator lights - LOCKOUT modes 11c Troubleshooting - spark-pilotboilersControl indicator lights - NON-LOCKOUTmodes Troubleshooting the control moduleGOLD CGa Gas-FiredWater Boiler - Boiler Manual Is POWER light Is POWER light off?Is POWER light flashing now? GOLD CGa Gas-FiredWater Boiler - Boiler ManualElectrical shock hazard - Wherever you see Do the TSTAT and POWER lights still flash?GOLD CGa Gas-FiredWater Boiler - Boiler Manual GOLD CGa Gas-FiredWater Boiler - Boiler Manual Is PRESS SWITCH light flashing?Does vent damper operate? Does vent damper operate?Are FLAME and POWER lights flashing? Do FLAME and POWER lights still flash?Are FLAME and POWER lights flashing? GOLD CGa Gas-FiredWater Boiler - Boiler ManualTURN OFF POWER to TURN OFF POWERIs flame signal at least 1.0 microamp? GOLD CGa Gas-FiredWater Boiler - Boiler ManualCheck spill switch and Does voltmeter show 120 VAC across pins?are switches closed? Are limit switch contacts closed?GOLD CGa Gas-FiredWater Boiler - Boiler Manual 12a Replacement partsGOLD CGa Gas-FiredWater Boiler - Boiler Manual 12b Replacement parts - section assemblyDescription Weil-McLainGOLD CGa Gas-FiredWater Boiler - Boiler Manual 12c Replacement parts - baseDescription Weil-McLainGOLD CGa Gas-FiredWater Boiler - Boiler Manual 12d Replacement parts - jacketBoiler BoilerFittings shown are factory-installedon boiler 12e Replacement parts - trimGOLD CGa Gas-FiredWater Boiler - Boiler Manual Fittings shown are included with boilerGOLD CGa Gas-FiredWater Boiler - Boiler Manual 12f Replacement parts - controlsIGURE R Gas control assembly GOLD CGa Gas-FiredWater Boiler - Boiler Manual 13a Dimensions453/8 523/8GOLD CGa Gas-FiredWater Boiler - Boiler Manual 13b RatingsGOLD CGa Gas-FiredWater Boiler - Boiler Manual Handling ceramic ﬁber and ﬁberglass materialsREMOVAL OF COMBUSTION CHAMBER LINING OR BASE PANELS