Crown Boiler 24-11 User Manual

1TECHNICAL ANDGENERAL INFORMATIONElectrical Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

BASIC WIRINGThe RB-122 should be wired first-in-line when the controlis installed on a new boiler. The control will require aconstant source of 120 vo

13BASICWIRINGBASICWIRINGA level control can be used to provide high water alarm,burner cut-off or pump cut-off on a boiler. Which control toselect is

BASIC WIRINGBASICWIRINGWhile most controls are designed and marketed for use on boilers, they can be used in other applications. Anycontrol, or pair o

BASICWIRINGBASICWIRINGHOTLOADNEUTRALHOTLOADNEUTRALHOTLOADNEUTRALHOTLOADNEUTRALNEUTRALNEUTRALHOTLOADHOTLOADElectrical CircuitsSeriesBoth closed, circui

BASICWIRINGTypes of Electrical SwitchesType Description Where UsedSPST(Single Pole, Single Throw)SPDT(Single Pole, Double Throw)DPDT(Double Pole, Doub

BASICWIRINGSwitch OperationCN.C.N.O.CN.O.N.C.CN.O.N.C.ALARMTERMINALSCUT-OFFTERMINALSCN.O.N.C.CUT-OFFTERMINALSTOP12341 23 41 23 41 23 4FEEDERTERMINALSE

5BASICWIRINGBURNERCIRCUITFIELDJUMPER120 VACSUPPLY1234NH101A-120VLWCO & Water Feeder WiringBURNERCIRCUIT120 VACSUPPLY1234NH101A-120V24V24V BURNER •

BASIC WIRINGBASICWIRING(With Uni-Match switch in M & M position)(With Uni-Match switch in M & M position)LWCO & Water Feeder WiringBURNERC

BASICWIRINGBASICWIRINGLWCO & Water Feeder Wiring101A-24VN H C W BBURNER 120VNH120 VAC SUPPLY24V TRANSFORMER(101-24 V-48)TO AVOID DAMAGE TO 101ASOL

BASIC WIRINGBASICWIRINGLWCO & Water Feeder WiringHN H C W BBURNERCIRCUITN120 VOLTCIRCUITSERVICESWITCHL1L2T1T224 VOLTTRANSFORMER(BY OTHERS)N H C W

11BASICWIRINGRB-24120/24VAC Transformerfurnished with boiler24VACWire NutsRedRCWhiteAquastat Other LimitsGasValveGreenCable PlugBoilerChassisYellow Ye