Raypak 0180B, 0066B, 0042B manual Note Low water cut-offLWCO and system switch supplied by others

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WIRING DIAGRAM: Standing Pilot With Low Water Cut-off Device

Fig. # 2223.1e

Note: Low water cut-off (LWCO) and system switch supplied by others.

WIRING DIAGRAM: IID Units With Low Water Cut-off Device

Fig. # 2357E

Note: Low water cut-off (LWCO) and system switch supplied by others.

Image 22

Contents 0042B, 0066B,0090B 0135B, 0180B FOR YOUR SAFETYRaythermTM Type H RESIDENTIAL BOILERS Models INSTALLATION AND OPERATING INSTRUCTIONSINSTALLATION PROCEDURES ContentsGENERAL SPECIFICATIONS SERVICING PROCEDURESGENERAL SPECIFICATIONS RECEIVING EQUIPMENTMOUNTING BASE 3. INSTALLATION PROCEDURESCODE REQUIREMENTS CLEARANCEREQUIREMENTSVENTING CONNECTIONS COMMON VENTS VENT DAMPER INSTALLATION Hole in Vent Damper Blade Closed Position VENT DAMPER OPERATION FLAIR DAMPERVENT DAMPER WIRING DIAGRAM GASPRESSURE GAS SUPPLY CONNECTIONSWATER CONNECTIONS & SYSTEM PIPING PIPING DIAGRAMS SINGLE-ZONEPIPINGZONE VALVES HEATINGUNITS ZONE HEATING WITH INDIRECT DOMESTICHOT WATER SUPPLY AIR SCOOP DIAPHRAGM EXPANSION FEED TANK VALVEMULTIPLE ZONES WITH CIRCULATORS MULTIPLE ZONES WITH ZONE VALVESELECTRICAL WIRING WIRING DIAGRAM KEYWIRING DIAGRAMS Page Page WIRING DIAGRAM Dual-ZoneHoneywell Valve WIRING DIAGRAM Single-ZoneTaco ValveWIRING DIAGRAM Dual-ZoneTaco Valve Fig. # 2228eFig. #2232e WIRING DIAGRAM System with 3 Zone PumpsWIRING DIAGRAM: Power Vent System w/ Zone Valve Fig. #2233e Fig. #2234eHoneywell Zone Valve WIRING DIAGRAM Primary/Secondary Pumping SystemFig. #2223.2e Note Low water cut-offLWCO and system switch supplied by others SERVICING PROCEDURES GENERAL LOCATION OF CONTROLSFilling the System START-UPPROCEDURES Lighting the BoilerFor Standing Pilot Models Checking the CirculatorTO TURN OFF GAS TO THE BOILER Models HONEYWELL PILOTROBERTSHAW PILOT FOR AUTOMATIC IGNITION MODELS3.For Honeywell valve SHUT-DOWNPROCEDURETO TURN OFF GAS TO BOILER For Robertshaw valveFOR AUTOMATIC IGNITION SYSTEMS FLAME FAILURE INSPECTION PROCEDURES BURNERSSAFE SHUT-DOWNTESTS LIMIT ACTION INSPECTIONSCHEDULERAYPAK TUBE CLEANING KIT REPAIRPROCEDURESHEAT EXCHANGER RE-ASSEMBLY SOLUTIONS TROUBLESHOOTING GUIDEPROBLEM IMPORTANT NOTICE10Defective ignition module or defective gas valve ADJUSTMENT/REPLACEMENTOF COMPONENTS DANGER - SHOCK HAZARDREPLACEMENT PARTS LIST RAYPAK, INC 2151 Eastman Avenue Oxnard, CAPage Page Page ADDITIONAL WARRANTY EXCLUSIONS LIMITED PARTS WARRANTYHEAT EXCHANGER WARRANTY PARTS REPLACEMENT

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