Raypak 0066B, 0180B, 0042B manual Primary/Secondary Pumping System Honeywell Zone Valve

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Fig. 22: Primary/Secondary Pumping System Honeywell Zone Valve

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

Fig. 23: Standing Pilot with Low Water Cut-off Device

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Contents Raytherm Residential Boilers Page Contents Pay Attention to These Terms PropositionGeneral Specifications Receiving EquipmentInput Heating Net Piping Connections CapacityGas NPT RatingInstallation Code RequirementsMounting Base Clearance RequirementsCombustion/Ventilation Air Model No Sq. in. of Free AreaModel No Model No Vent Max Connector Horizontal Diameter Length ft Venting ConnectionsCommon Vents Roof Pitch X/12 Min. ftVent Damper Installation Location Vent Damper LocationMounting Vent Damper OperationFlair Damper AbbreviationDescriptionVent Damper Gas Supply Connections Gas PressureWater Connections & System Piping Model No System Flow Max. System Gpm Head ft/WC Piping Diagrams Single-Zone PipingElectrical Wiring Wiring Diagrams Page Page Single-Zone Taco Valve System with Three 3 Zone Pumps Primary/Secondary Pumping System Honeywell Zone Valve IID Units with Low Water Cut-off Device Servicing Procedures Sequence OperationGeneral Location of Controls Intermittent Ignition Device IIDSTART-UP Procedures Lighting the BoilerFor Standing Pilot Models Filling the SystemTo Turn Off Gas to the Boiler Models 90, 135 For Automatic Ignition ModelsShut-down Procedure To Turn Off Gas to the BoilerFor Honeywell valve Turn gas control knob For Honeywell valveTesting the Ignition Safety Shut-off Safe Shut-down TestsInspection Procedures Low Water Cut-Off When InstalledProcedure for Cleaning Flue Gas Passageways BurnersRepair Procedures Tube Cleaning Procedure TypicalHeat Exchanger Removal Burner Tray RemovalHeat Exchanger Re-assembly Combustion Chamber RemovalTroubleshooting Problem Causes SolutionsPiping Adjustment & Replacement of Components Replacement Parts List Fast-Response Temperature Sensor Module ReplacementFast-Response Temperature Sensor Probe Replacement Circulator ReplacementLimited Parts Warranty

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