Raypak 503-2003 manual Section a, Before Installation, Product Receipt, Model Identification

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SECTION C: Installation

SECTION A

Before Installation

Raypak strongly recommends that this manual be re- viewed thoroughly before installing your MVB heater. Please review the General Safety information in Sec- tion B before installing the heater. Factory warranty does not apply to heaters that have been improperly installed or operated. (Refer to the warranty at the back of this manual.) Installation and service must be per- formed by a qualified installer, service agency or gas supplier. If, after reviewing this manual, you still have questions which this manual does not answer, please contact the manufacturer or your local Raypak repre- sentative.

Thank you for purchasing a Raypak product. We hope you will be satisfied with the high quality and durabil- ity of our equipment.

Product Receipt

On receipt of your heater it is suggested that you visu- ally check for external damage to the shipping crate. If the crate is damaged, make a note to that effect on the Bill of Lading when signing for the shipment. Remove the heater from the shipping packaging. Report any damage to the carrier immediately.

On occasion, items are shipped loose. Be sure that you receive the correct number of packages as indicated on the Bill of Lading.

Claims for shortages and damages must be filed with the carrier by consignee. Permission to return goods must be received from the factory prior to shipping. Goods returned to the factory without an authorized Returned Goods Receipt number will not be accepted. All returned goods are subject to a restocking charge.

When ordering parts, you must specify the model and serial numbers of the heater. When ordering under war- ranty conditions, you must also specify the date of installation.

Purchased parts are subject to replacement only under the manufacturer’s warranty. Debits for defective re- placement parts will not be accepted and will be replaced in kind only per Raypak’s standard warranties.

Model Identification

The model identification number and heater serial number are found on the heater rating plate located on the upper rear jacket panel of the heater. The model number will have the form H7-2003 or similar depending on the heater size and configuration. The letter(s) in the first group of characters identifies the application (H = Hydronic Heating, WH = Domestic Hot Water (DHW)). The number which follows identi- fies the firing mode (7 = electronic modulation). The second group of characters identifies the size of the heater (three or four numbers representing the ap- proximate MBTUH input), and, where applicable, a letter, indicating the manufacturing series.

Ratings and Certifications

Standards:

•ANSI Z21.13 · CSA 4.9 - latest edition, Gas-Fired Hot Water Boilers

•CAN 3.1 - latest edition, Industrial and Commercial Gas-Fired Package Boilers

•ANSI Z21.10.3 · CSA 4.3 - latest edition, Gas Wa- ter Heaters

•SCAQMD Rule 1146.2

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Contents Installation Operating Instructions Page Table of Contents PAY Attention to These Terms Section a Before InstallationProduct Receipt Model IdentificationComponent Locations Installations at ElevationGeneral Information Water Gas Vent Size Model Conn InputSection B Hot Water Supply General SafetyWater Temp Time to Produce Serious Burn Time/Temperature Relationships in ScaldsInstallation Codes InstallationSection C Equipment BaseInstallations1 Canadian Installations2 Heater Min. Clearance Recommended From Combustible Service Outdoor InstallationsCombustion and Ventilation Air Indoor UnitsOptional Construction Air Filter InstallationsDirect Vent TruSeal Combustion AirGeneral Canadian InstallationsWater Piping Cold Water Starts Relief Valve Piping Hydrostatic TestCold Water Operation Cold Water Run Temperature & Pressure GaugeModel 20F∆T 30F∆T 40F∆T Min. Flow Max Flow Gpm ∆P ft ∆P ft GpmDomestic Hot Water Hydronic HeatingPool Heating Potable Water and Space HeatingWinterizing Your Heater Automatic Chlorinators and Chemical FeedersPool/Spa Water Chemistry Gas SupplyWater Hardness PH of WaterModel NPT 4 NPT 2 NPT Gas Supply ConnectionGas Supply Pressure Field-Connected Controllers Electrical Power ConnectionsCheck the Power Source Making the Electrical Connections Field Wiring ConnectionAppliance Categories VentingSupport of Vent Stack Inlet MaterialVent Terminal Location Canada InstallationsVenting Configurations Venting Installation TipsInstallation Vertical Venting CategoryCommon Venting Vent Size Volume Model Pressure Flue Products In. WCTermination Typical Common Venting Horizontal Through-the-Wall Direct Venting CategoryHorizontal Through-the-Wall Direct Venting Direct Vent Vertical Direct Vent VerticalFreeze Protection Outdoor InstallationControls Operation Operating ModesDefinitions Modulating Temperature Control User Interface Modes Default RangeModel 503 Heater Sequence of OperationModel 1753 Section C Installation Ignition Module High Limit Auto Reset Optional High Limit Manual ResetFlow Switch Code ConditionHigh and Low Gas Pressure Switches Optional Modulating Temperature ControlAir Pressure Switch Low Water Cut-Off OptionalUDB Diagnostic Board Blocked Vent SwitchModels Wiring DiagramsModels Section C Installation Pre Start-up Section DStart-up Start-Up Blower AdjustmentPre Start-up Check Initial Start-upManifold Adjustment Follow-Up Safety InspectionLeak Test Procedure Dual-Seat Gas Valve Post Start-Up Check Leak Test ProcedureSection D Start up Operation Section ELighting Instructions To Turn Off Gas To ApplianceSection E Operation Section F TroubleshootingUDB Fault History Section G MaintenanceSuggested Minimum Maintenance Schedule Preventive Maintenance Schedule Inside Air Contamination Section HAppendix 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.
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