Raypak 503-2003 manual Mode 2 Primary/Secondary Piping

Page 31

MODULATING

Mode 5 – Outdoor reset using primary/secondary pip- ing. The heater is operated as in Mode 2. However, the target temperature is based on outdoor reset. See Fig. 33.

MODULATING

*

*Maximum 4 times the pipe diameter or 12”, whichever is less.

Fig. 31: Mode 2 Primary/Secondary Piping

Mode 3 – Dedicated DHW operation using UniTemp 80 piping. A call for heat is determined by the DHW sensor and the DHW boiler target. The heater outlet water is also controlled to the boiler target tempera- ture. See Fig. 32.

MODULATING

Fig. 32: Mode 3 Dedicated DHW

Mode 4 (Not supported) – Outdoor reset using pri- mary piping. The heater is operated as in Mode 1. However, the target temperature is based on outdoor reset.

*

*Maximum 4 times the pipe diameter or 12”, whichever is less.

Fig. 33: Mode 5 Primary/Secondary Piping with

Outdoor Reset

Mode 6 (Not supported) – Designed for an external input signal with primary piping. The external input sig- nal can be provided from a BMS, an EMS or a sequencing control. The external input signal changes the boiler target according to a linear scale. The con- trol operates the boiler burner to maintain the boiler target at the boiler outlet sensor.

Mode 7 – Designed for an external input signal with primary/secondary piping. The external input signal can be provided from a BMS, an EMS or an external control. The external input signal changes the boiler target according to a linear scale, as shown in Tables O and P. The control operates the boiler burner to maintain the boiler target at the system sensor. See Fig. 34

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Contents Reference Catalog no .53G Effective Replaces 241288 Rev Do so may result in an explosion or firePage Contents Pay Attention to These Terms Model Identification Before InstallationInstallations at Elevation Product ReceiptGeneral Information Component LocationsTime/Temperature Relationships in Scalds General SafetyWater Time to Produce Serious Temp Burn Equipment Base InstallationInstallation Codes Indoor InstallationsCombustion and Ventilation Air Outdoor InstallationsIndoor Units Table E Vent/Air Inlet Termination Clearances Direct Vent InstallationsConventional Combustion Air Supply Air FilterWater Piping Canadian InstallationsGeneral Hydrostatic Test Relief Valve Piping Temperature & Pressure GaugeCold Water Operation Cold Water Starts Hydronic HeatingPump Selection Feedwater RegulatorAir-Separation/Expansion Tank PipingModel 20F 30F 40F Min. Flow Max. Flow Gpm Pool Heating Three-Way ValvesDomestic Hot Water Potable Water and Space HeatingMake final adjustments when pool water approaches Winterizing Your Heater Pool/Spa Water ChemistryExceed 5 ppm Automatic Chlorinators Chemical Feeders Gas SupplyGas Supply Connection Gas Supply PressureHigh Fire Values Electrical Power ConnectionsModel In. NPT 4 in. NPT 2 in. NPT Manifold Gas Pressure ModelField-Connected Controllers Check the Power SourceMaking the Electrical Connections Venting Field Wiring ConnectionAppliance Categories Support of Vent Stack InstallationsVent Terminal Location Installation Venting Installation TipsVenting Configurations Canadian InstallationsCpvc TerminationModel Pressure Flue Products VolumeCommon Venting VentHorizontal Through-the-Wall Venting Horizontal Through-the-Wall Direct Venting Category10 Ø Direct Vent-VerticalModel Certified Combustion Air Air Inlet Horizontal Max. Length** ft VentOutdoor Installation Freeze Protection ControlsOperating Modes Mode 2 Primary/Secondary Piping Mode 7 Primary/Secondary Piping with External Target Temp 10 VDC 20 mA Modes Default Setting Range10 VDC 20 mA Boiler Target Definitions Operation Number Field Type Fault DescriptionRank Code Condition High Limit-Manual ResetHeater Sequence of Operation Ignition ModuleHigh & Low Gas Pressure Switches Optional High Limit-Auto Reset OptionalModulating Temperature Control Flow SwitchBlocked Vent Switch Air Pressure SwitchUDB Diagnostic Board Wiring Diagrams Models Models Initial Start-up START-UPPre Start-up Pre Start-up CheckStart-Up PreparationBlower Check Manifold Check Safety InspectionModel Air Pressure Setting Setting in. WC Model Amp Draw SettingFollow-Up Leak Test Procedure Dual-Seat Gas ValveLighting Instructions OperationPost Start-Up Check To Turn Off Gas To Appliance Step TroubleshootingUDB Fault History MaintenanceSuggested Minimum Maintenance Schedule Semi-Annually Preventive Maintenance SchedulePeriodically WeeklyFilter Replacement Filter MaintenanceAs Required Inside Air Contamination AppendixImportant Instructions for the Commonwealth of Massachusetts Limited Parts Warranty MVB Types H and WH START-UP Checklist for FAN-ASSISTED Raypak Products
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503-2003 specifications

The Raypak 503-2003 is a notable entry in the world of water heating solutions, renowned for its efficiency and reliability in both residential and commercial settings. This model is designed to provide exceptional performance while maintaining ease of use and minimization of environmental impact.

One of the standout features of the Raypak 503-2003 is its advanced heating technology. The unit utilizes a durable, copper heat exchanger which ensures quick and efficient heating of water. This heat exchanger is known for its ability to transfer heat effectively, leading to reduced energy consumption and lower utility bills. The design also allows for a seamless operation, ensuring that the system heats water swiftly without sacrificing performance.

In addition to its efficient heating capabilities, the Raypak 503-2003 is equipped with innovative controls. The digital control panel allows users to easily set and adjust the desired water temperature. This feature provides a level of convenience that simplifies operation while enhancing user experience. Furthermore, the smart technology employed in the unit ensures that it operates within optimal parameters, avoiding unnecessary energy expenditure.

Durability is another hallmark of the Raypak 503-2003. Built with heavy-duty components, this water heating solution is designed to withstand the rigors of continuous use. The rugged construction ensures longevity, making it a cost-effective investment for homeowners and businesses alike. Moreover, the unit is designed to be resistant to corrosion and wear, further extending its lifespan and reliability.

The energy efficiency of the Raypak 503-2003 is a crucial characteristic that sets it apart from competitors. Rated with a high efficiency score, this model contributes to lower emissions and is environmentally friendly. It adheres to various energy standards, making it a suitable choice for those looking to reduce their carbon footprint while enjoying reliable water heating.

Noise reduction is another important feature of the Raypak 503-2003. Designed with quiet operation in mind, the unit operates with minimal noise pollution, allowing for a pleasant environment in both residential and commercial spaces.

In summary, the Raypak 503-2003 combines advanced heating technology, user-friendly controls, durability, and energy efficiency into a robust water heating system. This makes it an excellent choice for those in need of dependable and sustainable heating solutions. Whether for daily home use or for larger commercial applications, the Raypak 503-2003 stands out as a leader in its class.
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