Raypak 503-2003 manual Table of Contents

Page 3

Table of Contents

WARNINGS

2

SECTION A Before Installation

3

Product Receipt

3

Model Identification

3

Ratings and Certifications

3

Installations at Elevation

4

Component Locations

4

General Information

4

SECTION B Hot Water Supply General Safety

5

Time/Temperature Relationships in Scalds

6

SECTION C Installation

7

Installation Codes

7

Equipment Base

7

Clearances

7

Combustion and Ventilation Air

9

Water Piping

11

Gas Supply

17

Electrical Power Connections

19

Venting

21

Controls

28

Wiring Diagrams

38

SECTION D Start-up

41

Pre Start-up

41

Start-Up

42

SECTION E Operation

47

Lighting Instructions

47

To Turn Off Gas To Appliance

47

SECTION F Troubleshooting

49

UDB Fault History

50

SECTION G Maintenance

51

Suggested Minimum Maintenance Schedule

51

Preventive Maintenance Schedule

52

SECTION H Appendix

53

Inside Air Contamination

53

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Contents Installation Operating Instructions Page Table of Contents PAY Attention to These Terms Model Identification Before InstallationSection a Product ReceiptWater Gas Vent Size Model Conn Input Installations at ElevationComponent Locations General InformationSection B Hot Water Supply General SafetyWater Temp Time to Produce Serious Burn Time/Temperature Relationships in ScaldsEquipment Base InstallationInstallation Codes Section CInstallations1 Canadian Installations2 Indoor Units Outdoor InstallationsHeater Min. Clearance Recommended From Combustible Service Combustion and Ventilation AirTruSeal Combustion Air InstallationsOptional Construction Air Filter Direct VentCanadian Installations Water PipingGeneral Relief Valve Piping Hydrostatic Test Cold Water OperationCold Water Starts ∆P ft Gpm Temperature & Pressure GaugeCold Water Run Model 20F∆T 30F∆T 40F∆T Min. Flow Max Flow Gpm ∆P ftDomestic Hot Water Hydronic HeatingPool Heating Potable Water and Space HeatingWinterizing Your Heater Automatic Chlorinators and Chemical FeedersPH of Water Gas SupplyPool/Spa Water Chemistry Water HardnessGas Supply Connection Gas Supply PressureModel NPT 4 NPT 2 NPT Electrical Power Connections Check the Power SourceField-Connected Controllers Making the Electrical Connections Field Wiring ConnectionInlet Material VentingAppliance Categories Support of Vent StackVent Terminal Location Canada InstallationsVertical Venting Category Venting Installation TipsVenting Configurations InstallationVent Size Volume Model Pressure Flue Products In. WC TerminationCommon Venting Typical Common Venting Horizontal Through-the-Wall Direct Venting CategoryHorizontal Through-the-Wall Direct Venting Direct Vent Vertical Direct Vent VerticalOutdoor Installation ControlsFreeze Protection Operating Modes DefinitionsOperation Modulating Temperature Control User Interface Modes Default RangeModel 503 Heater Sequence of OperationModel 1753 Section C Installation Ignition Module Code Condition High Limit Manual ResetHigh Limit Auto Reset Optional Flow SwitchLow Water Cut-Off Optional Modulating Temperature ControlHigh and Low Gas Pressure Switches Optional Air Pressure SwitchUDB Diagnostic Board Blocked Vent SwitchModels Wiring DiagramsModels Section C Installation Section D Start-upPre Start-up Initial Start-up Blower AdjustmentStart-Up Pre Start-up CheckManifold Adjustment Safety Inspection Leak Test Procedure Dual-Seat Gas ValveFollow-Up Post Start-Up Check Leak Test ProcedureSection D Start up To Turn Off Gas To Appliance Section EOperation Lighting InstructionsSection E Operation Section F TroubleshootingUDB Fault History Maintenance Suggested Minimum Maintenance ScheduleSection G Preventive Maintenance Schedule Section H AppendixInside Air Contamination Limited Parts Warranty MVB Types H and WH
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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.