Raypak 751 manual Electrical Connections Domestic Hot Water, Field Wiring Connections

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4.Provide an external surge suppressor capable of maintaining system integrity.

5.Provide overload protection and a disconnect means for equipment serviceability as required by local and state code.

6.Install boiler controls, thermostats, or building management systems in accordance with the applicable manufacturer’s instructions.

7.Conduit should not be used as the ground. There must be a solid wired ground.

NOTE: A grounding electrode conductor shall be used to connect the equipment grounding conductors, the equipment enclosures, and the grounded service conductor to the grounding electrode.

Fig. 18: Field Wiring Connections

BREAK THE WIRE NUT AT THE

BOILER "TH" CONNECTIONS AND

ATTACH TO THE SINGLE TANKSTAT

PER ILLUSTRATION

Fig. 19: Single Stage Tankstat

"TH" leads. Before starting the boiler, ensure that there is proper voltage to the boiler and pump.

The boiler must be electrically grounded in accordance with National Electrical Code ANSI/NFPA No. 70 and CSA C22.1 C.E.C. Part 1 in Canada.

Electrical Connections — Domestic Hot Water

DANGER — SHOCK HAZARD — Make sure electrical power to the heater is disconnected to avoid potential serious injury or damage to components.

CAUTION: When servicing controls, label all wires prior to disconnection. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.

The ADB is wired for 120 VAC. The voltage is indicat- ed on the tie-in leads. Consult the wiring diagram shipped with the boiler in the instruction packet. The "TH" leads are for the remote tank control through the boiler transformer. DO NOT attach line voltage to the

BREAK THE WIRE NUT AT THE

BOILER "TH" CONNECTIONS AND

ATTACH TO THE DUAL TANKSTAT

PER ILLUSTRATION

Fig. 20: 2-Stage Tankstat

Notes:

1.Field installed ground to inside of junction box.

2.If any of the original wire as supplied with the boil- er must be replaced, it must be replaced with 105°C wire or its equivalent.

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Contents Advanced Design Boiler Page Contents Pay Attention to These Terms Before Installation Installations at ElevationProduct Receipt Model IdentificationComponent Locations Component LocationsGeneral Safety Time/Temperature Relationships in ScaldsInstallation Installation CodesIndoor Installations Equipment BaseOutdoor Installations Combustion and Ventilation AirIndoor Units Direct VentInstallations1 Canadian Installations2 Installations Canadian InstallationsConventional Combustion Air Supply Low Temperature System Temperature & Pressure GaugeWater Piping GeneralHydronic Heating Single Boiler Primary/Secondary Piping Dual Boiler Piping Domestic HOT Water Piping Single Boiler Domestic Hot Water with One Storage Tank Page Pool Heating Automatic Chlorinators and Chemical FeedersWinterizing Your Heater Pool and Spa Water ChemistrySingle Boiler Pool Application GAS Supply Connections Double Boiler Pool ApplicationGas Supply Connection Gas Supply PressureElectrical Power Connections Field Wiring Connections Electrical Connections Domestic Hot WaterVenting Connections General Definition of Appliance CategoriesVent Terminal Location Venting Installation Tips Venting ConfigurationsADB-1501 Natural Draft Vertical Venting System Installation Natural Draft Vertical Vent TerminationADB-1501 Horizontal Thru-wall Direct Vent Termination Horizontal Thru-Wall Direct Venting/Combustion Air CategoryÁDB-1501 Vertical Direct Venting/Combustion Air Category Vertical Direct Venting System Installation Vertical Direct Vent TerminationContact the manufacturer for details Horizontal Thru-wall Venting System Category IV Installation PVC, ABS Page Galvanized ADB-751 Venting Material e.g Subtract 10 ft per Condensate Drain Condensate Trap AlignmentCentral Point Wiring CPW ControlsCPW Board Pump Turn-off Delay Freeze Protection FeatureBlower Fan Pre-purge Blower Fan Post-purgeDiagnostics Board Light Color IndicationWiring Diagram Figure L-2Flow Switch High Limit Manual ResetHigh Limit Auto Reset Ignition Control ModuleHigh and Low Gas Pressure Switches Manual Reset PRE-START-UPLow Water Cut Off Optional Fill the SystemPre-Start-up Check Blower T Fitting DetailADB Initial START-UP Tools NeededPreparation for Start-up Page Main Burner Adjustment Safety InspectionPost START-UP Check Follow-upMaintenance Suggested Minimum Maintenance ScheduleOperation Operating InstructionsConnecting the Condensing Heat Exchanger CHX Cleaning Boiler Heating SurfacesDaily MonthlyVent Switch Adjustment Connecting Add-on Condensing Heat Exchanger to ADBAppendix Inside Combustion Air ContaminationEmissions Settings and Test Information Bluff Head Body Burner Warranty

751 specifications

The Raypak 751 is a high-efficiency, gas-powered pool and spa heater renowned for its advanced technology and durability. Designed with innovative features, the Raypak 751 prioritizes user convenience and energy efficiency, making it an excellent choice for pool owners seeking reliable heating solutions.

One of the standout features of the Raypak 751 is its robust heat exchanger, built from the finest materials to ensure long-lasting performance. This model utilizes a copper heat exchanger which is highly conductive, allowing for rapid heating of water and maintenance of consistent temperatures. Its design also minimizes scale buildup, extending the longevity of the heater.

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