Raypak 5042004 High Limit-Auto Reset Optional, Flow Switch, Modulating Temperature Control

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High Limit—Auto Reset (Optional)

This heater may be equipped with an optional adjust- able auto reset high limit temperature device.

The optional adjustable auto reset high limit is located inside the heater junction box. Adjust the setting to approx. 20°F (10°C) above desired outlet temperature.

Fig. 40: Adjustable High Limit (Auto Reset)

Flow Switch

This standard, dual-purpose control, mounted and wired in series with the main gas valve, shuts off heater in case of pump failure or low water flow.

Fig. 41: Flow Switch

Modulating Temperature Control

This heater is equipped with a Raypak modulating temperature control. Refer to information starting on page 30 for information on the setting and use of this control.

Fig. 42: Modulating Temperature Control

Low Water Cut-Off (Optional)

The optional low water cut-off automatically shuts down the burner whenever water level drops below the level of the sensing probe. A 5-second time delay pre- vents premature lockout due to temporary conditions such as power fluctuations or air pockets.

Fig. 43: Low Water Cut-Off

High & Low Gas Pressure Switches (Optional)

The optional low gas pressure switch connection mounts upstream of the gas valve (on the inlet flange to the gas valve) and is accessible through the remov- able access panels on the rear of the heater to reset the gas pressure switch, as necessary. It is used to ensure that sufficient gas pressure is present for prop-

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Contents Do so may result in an explosion or fire Reference Catalog no .54E Effective Replaces 241317 RevPage Contents Pay Attention to These Terms Product Receipt Before InstallationInstallations at Elevation Model IdentificationComponent Locations General InformationWater Time to Produce Serious Temp Burn General SafetyTime/Temperature Relationships in Scalds Indoor Installations InstallationInstallation Codes Equipment BaseIndoor Units Outdoor InstallationsCombustion and Ventilation Air Table E Vent/Air Inlet Termination Clearances Air Filter InstallationsConventional Combustion Air Supply Direct VentGeneral Canadian InstallationsWater Piping Cold Water Operation Relief Valve Piping Temperature & Pressure GaugeHydrostatic Test Feedwater Regulator Hydronic HeatingPump Selection Cold Water StartsModel Input Output 20 ∆T 30 ∆T 40 ∆T Min. Flow PipingAir-Separation/Expansion Tank GpmPotable Water and Space Heating Three-Way ValvesDomestic Hot Water Pool HeatingPool heating application. Use the following instruc Exceed 5 ppm Pool/Spa Water ChemistryWinterizing Your Heater Gas Supply Pressure Gas SupplyGas Supply Connection Automatic Chlorinators Chemical FeedersModel Manifold Gas Pressure Electrical Power ConnectionsModel In. NPT 4 in. NPT 2 in. NPT High Fire ValuesMaking the Electrical Connections Check the Power SourceField-Connected Controllers Appliance Categories Field Wiring ConnectionVenting Vent Terminal Location InstallationsSupport of Vent Stack Canadian Installations Venting Installation TipsVenting Configurations Installation10 Ø Max. Length* ftMin TerminationCommon Venting Typical Common VentingHorizontal Through-the-Wall Direct Venting Category Model Vent Size Volume Flue ProductsEngineered Vent Systems Direct Vent-Vertical Horizontal Through-the-Wall Direct VentingCombustion Air Air Inlet Horizontal Max. Length** ft Vent Outdoor InstallationModel Certified Controls Freeze ProtectionOperating Modes Differential GraphMode 3 Dedicated DHW 10 VDC 20 mA Boiler TargetDefinitions 10 VDC 20 mABoiler H7 Modes Default Setting Pool Heater P, WHP Modes Default Setting RangeWater Heater WH1 Modes Default Setting Range Rank Number Field Type Fault DescriptionOperation Ignition Module High Limit-Manual ResetHeater Sequence of Operation Code ConditionModulating Temperature Control High Limit-Auto Reset OptionalFlow Switch High & Low Gas Pressure Switches OptionalUDB Diagnostic Board Blocked Vent SwitchAir Pressure Switch Wiring Diagram Models H & WH Wiring Diagram Models P & WHP Pre Start-up Check START-UPPre Start-up Initial Start-upStart-Up Blower CheckManifold Check Safety InspectionFinishing Follow-UpLeak Test Procedure Dual-Seat Gas Valve Post Start-Up CheckOperation Lighting InstructionsUDB Fault History To Turn Off Gas To ApplianceTroubleshooting StepPreventive Maintenance Schedule MaintenanceSuggested Minimum Maintenance Schedule Semi-Annually Filter MaintenanceWeekly AnnuallyInside Air Contamination Filter ReplacementAppendix Important Instructions for the Commonwealth of Massachusetts Limited Parts Warranty MVB Types H and WH Limited Parts Warranty MVB Types P & WHP START-UP Checklist for FAN-ASSISTED Raypak Products Nominal Factory Recommended Settings

5042004 specifications

The Raypak 5042004 is a highly efficient pool heater designed for residential and commercial applications, providing warmth and comfort for swimming pools and spas. It is a part of Raypak's extensive lineup of pool heating solutions, known for their reliability and energy efficiency. This model caters to different heating needs while maximizing performance and reducing energy consumption.

One of the standout features of the Raypak 5042004 is its use of advanced heat exchanger technology. Constructed with a durable copper fin design, the heat exchanger enhances thermal conductivity, allowing the unit to heat water quickly and effectively. This ensures a consistently enjoyable swimming experience, even in cooler weather conditions. The heater’s aluminum cabinet is designed to withstand harsh weather and resist corrosion, increasing its longevity and reliability.

In addition to its robust construction, the Raypak 5042004 incorporates a user-friendly digital control system. This control system allows users to set their desired temperature with precision, enabling easy adjustments and enhanced control over the heating process. The digital display provides real-time feedback, giving users insight into the system's operation and current water temperature.

Moreover, this model offers a specialized environmentally friendly option. The Raypak 5042004 is designed to run efficiently on both natural gas and propane, which provides flexibility regarding fuel choice based on availability and personal preference. This versatility is paired with low NOx (nitric oxide) emissions, making it compliant with stringent environmental regulations, making it an eco-friendly choice for consumers.

The ease of installation is another characteristic that sets the Raypak 5042004 apart from its competitors. The unit includes versatile piping options and integrated automation features that facilitate quick and hassle-free installation, ultimately saving time and effort for both professional installers and DIY enthusiasts.

In summary, the Raypak 5042004 is a cutting-edge pool heater that combines high efficiency, robust construction, user-friendly controls, and eco-friendly features. Its advanced heating technologies, durable design, and versatile fuel options make it an excellent choice for anyone looking to enhance their swimming experience year-round while being conscious of energy consumption and environmental impact.
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