Raypak 503-2003 manual Installation Codes, Equipment Base, Clearances, Indoor Installations

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The temperature of the water in the heater can be reg- ulated by using the Raypak Modulating Temperature Control. To comply with safety regulations, the control is set at 120°F when shipped from the factory (Mode 3 default setting for Tank Target).

To adjust the water temperature, follow the instruction for the operation of the control starting on page 30 of this manual. The control is shown below for identifica- tion purposes only. (See Fig. 5.)

Fig. 5: Modulating Temperature Control

CAUTION: Hotter water increases the risk of scalding! There is a hot water scald potential if the thermostat is set too high.

INSTALLATION

Installation Codes

Installations must follow these codes:

Local, state, provincial, and national codes, laws, regulations and ordinances

National Fuel Gas Code, ANSI Z223.1/NFPA 54 – latest edition (NFGC)

National Electrical Code, ANSI/NFPA 70 - latest edition (NEC)

Standard for Controls and Safety Devices for Automatically Fired Boilers, ANSI/ASME CSD-1, (CSD-1) when required

For Canada only: CAN/CSA B149 Natural Gas and Propane Installation Code and CSA C22.1 C.E.C. Part 1 (C22.1)

Equipment Base

The heater should be mounted on a level, structurally sound surface. The heater is approved for installation on a combustibl e surface but must NEVER be installed on carpeting. Gas-fueled equipment installed in enclosed parking garages must be located at least 18 in. above the floor.

CAUTION: This heater should be located in an area where water leakage will not result in damage to the area adjacent to the appliances or to the structure. When such locations cannot be avoided, it is recommended that a suitable catch pan, adequately drained, be installed under the appliance. The pan must not restrict air flow.

In addition, the heater shall be installed such that the gas ignition system components are protected from water (dripping, spraying, rain, etc.) during appliance operation or service (circulator replacement, control replacement, etc.).

If the heater needs to be secured to the ground, use the brackets that were used to bolt the heater to the shipping pallet.

Clearances

Indoor Installations

 

Heater

Minimum Clearance

Minimum

 

from Combustible

Service

 

Side

 

Surfaces

Clearance

 

 

 

 

 

 

 

 

 

Floor*

 

0”

0”

 

 

 

 

 

 

Rear

 

12”

24”

 

 

 

 

 

 

Right Side

 

1”

1”

 

 

 

Left Side

 

1”

1”

 

 

 

 

 

 

Top

 

0”

10”

 

 

 

 

 

 

Front

 

Open

24”

 

 

 

 

 

 

Vent

 

1”

1”

 

*DO NOT install

on carpeting.

 

 

 

 

Table C: Clearances – Indoor Installations

When installed according to the listed minimum clear- ances from combustible construction, these heaters can still be serviced without removing permanent structural construction around the heater. However, for ease of servicing, a clearance of at least 24 in. in front, at least 24 in. on the rear and 10 in. above the top of the heater is required. This will allow the heater to be

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Contents Do so may result in an explosion or fire Reference Catalog no .53G Effective Replaces 241288 RevPage Contents Pay Attention to These Terms Before Installation Installations at ElevationProduct Receipt Model IdentificationComponent Locations General InformationWater Time to Produce Serious Temp Burn General SafetyTime/Temperature Relationships in Scalds Installation Installation CodesIndoor Installations Equipment BaseIndoor Units Outdoor InstallationsCombustion and Ventilation Air Table E Vent/Air Inlet Termination Clearances Installations Conventional Combustion Air SupplyAir Filter Direct VentGeneral Canadian InstallationsWater Piping Cold Water Operation Relief Valve Piping Temperature & Pressure GaugeHydrostatic Test Hydronic Heating Pump SelectionFeedwater Regulator Cold Water StartsModel 20F 30F 40F Min. Flow Max. Flow Gpm PipingAir-Separation/Expansion Tank Three-Way Valves Domestic Hot WaterPotable Water and Space Heating Pool HeatingMake final adjustments when pool water approaches Exceed 5 ppm Pool/Spa Water ChemistryWinterizing Your Heater Gas Supply Gas Supply ConnectionGas Supply Pressure Automatic Chlorinators Chemical FeedersElectrical Power Connections Model In. NPT 4 in. NPT 2 in. NPTManifold Gas Pressure Model High Fire ValuesMaking the Electrical Connections Check the Power SourceField-Connected Controllers Appliance Categories Field Wiring ConnectionVenting Vent Terminal Location InstallationsSupport of Vent Stack Venting Installation Tips Venting ConfigurationsCanadian Installations InstallationTermination CpvcVolume Common VentingVent Model Pressure Flue ProductsHorizontal Through-the-Wall Direct Venting Category Horizontal Through-the-Wall VentingDirect Vent-Vertical Model CertifiedCombustion Air Air Inlet Horizontal Max. Length** ft Vent 10 ØOutdoor Installation Operating Modes ControlsFreeze Protection Mode 2 Primary/Secondary Piping Mode 7 Primary/Secondary Piping with External Target Temp 10 VDC 20 mA Boiler Target Modes Default Setting Range10 VDC 20 mA Definitions Rank Number Field Type Fault DescriptionOperation High Limit-Manual Reset Heater Sequence of OperationIgnition Module Code ConditionHigh Limit-Auto Reset Optional Modulating Temperature ControlFlow Switch High & Low Gas Pressure Switches OptionalUDB Diagnostic Board Air Pressure SwitchBlocked Vent Switch Wiring Diagrams Models Models START-UP Pre Start-upPre Start-up Check Initial Start-upBlower Check PreparationStart-Up Safety Inspection Model Air Pressure Setting Setting in. WCModel Amp Draw Setting Manifold CheckLeak Test Procedure Dual-Seat Gas Valve Follow-UpPost Start-Up Check OperationLighting Instructions To Turn Off Gas To Appliance Troubleshooting StepSuggested Minimum Maintenance Schedule MaintenanceUDB Fault History Preventive Maintenance Schedule PeriodicallyWeekly Semi-AnnuallyAs Required Filter MaintenanceFilter Replacement Appendix Inside Air ContaminationImportant 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.