Raypak 503-2003 manual Controls, Outdoor Installation, Freeze Protection

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SECTION C: Installation

Outdoor Installation

Outdoor models are self-venting when installed with the optional factory-supplied outdoor vent kit. Addi- tional vent materials are required as outlined in the Outdoor Vent Kit instructions. A special vent cap and air intake elbow are offered in accordance with CSA requirements. These must be installed directly on the vent pipe as illustrated in Fig. 26.

Care must be taken when locating the heater outdoors, because the flue gases discharged from the vent cap can condense as they leave the cap. Improper location can result in damage to adjacent structures or building finish. For maximum efficiency and safety, the follow- ing precautions must be observed:

1.Outdoor models must be installed outdoors. They must use the outdoor vent cap and air intake elbow available from the manufacturer (sales order op- tion D-11).

2.Periodically check the venting system. The heater’s venting areas must never be obstructed in any way and minimum clearances must be ob- served to prevent restriction of combustion and ventilation air. Keep area clear and free of com- bustible and flammable materials.

3.Do not locate adjacent to any window, door walk- way, or gravity air intake. The vent must be located a minimum of 4 ft horizontally from such areas.

4.Install above grade level and above normal snow levels.

5.Vent terminal must be at least 3 ft above any forced air inlet located within 10 ft.

6.Adjacent brick or masonry surfaces must be pro- tected with a rust-resistant sheet metal plate.

NOTICE: Condensate can freeze on the vent cap. Fro- zen condensate on the vent cap can result in a blocked flue condition.

NOTICE: The vent cap and air intake hood must be furnished by the heater manufacturer in accordance with its listing (sales order option D-11).

Fig. 26: Outdoor Venting

Freeze Protection

When installing this heater in an outdoor location that is susceptible to freezing, sales option B-22 should be installed to energize the heater pump at a present out- door air temperature and circulate water to reduce the possibility of freezing and damage to the heat ex- changer or headers.

Controls

WARNING: Installation, adjustment and service of heater controls, including timing of various operating functions, must be performed by a qualified installer, service agency or the gas supplier. Failure to do so may result in control damage, heater malfunction, property damage, personal injury, or death.

WARNING: Turn off the power to the heater before installation, adjustment or service of any heater con- trols. Failure to do so may result in heater malfunction, property damage, personal injury, or death.

CAUTION: This appliance has provisions to be con- nected to more than one supply source. To reduce the risk of electric shock, disconnect all such connections before servicing.

CAUTION: Risk of electric shock: More than one disconnect switch may be required to de-energize the equipment before servicing.

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Contents Installation Operating Instructions Page Table of Contents PAY Attention to These Terms Product Receipt Before InstallationSection a Model IdentificationGeneral Information Installations at ElevationComponent Locations Water Gas Vent Size Model Conn InputHot Water Supply General Safety Section BTime/Temperature Relationships in Scalds Water Temp Time to Produce Serious BurnSection C InstallationInstallation Codes Equipment BaseInstallations1 Canadian Installations2 Combustion and Ventilation Air Outdoor InstallationsHeater Min. Clearance Recommended From Combustible Service Indoor UnitsDirect Vent InstallationsOptional Construction Air Filter TruSeal Combustion AirCanadian Installations Water PipingGeneral Relief Valve Piping Hydrostatic Test Cold Water OperationCold Water Starts Model 20F∆T 30F∆T 40F∆T Min. Flow Max Flow Gpm ∆P ft Temperature & Pressure GaugeCold Water Run ∆P ft GpmHydronic Heating Domestic Hot WaterPotable Water and Space Heating Pool HeatingAutomatic Chlorinators and Chemical Feeders Winterizing Your HeaterWater Hardness Gas SupplyPool/Spa Water Chemistry PH of WaterGas Supply Connection Gas Supply PressureModel NPT 4 NPT 2 NPT Electrical Power Connections Check the Power SourceField-Connected Controllers Field Wiring Connection Making the Electrical ConnectionsSupport of Vent Stack VentingAppliance Categories Inlet MaterialCanada Installations Vent Terminal LocationInstallation Venting Installation TipsVenting Configurations Vertical Venting CategoryVent Size Volume Model Pressure Flue Products In. WC TerminationCommon Venting Horizontal Through-the-Wall Direct Venting Category Typical Common VentingHorizontal Through-the-Wall Direct Venting Direct Vent Vertical Direct Vent VerticalOutdoor Installation ControlsFreeze Protection Operating Modes DefinitionsOperation Modes Default Range Modulating Temperature Control User InterfaceHeater Sequence of Operation Model 503Model 1753 Section C Installation Ignition Module Flow Switch High Limit Manual ResetHigh Limit Auto Reset Optional Code ConditionAir Pressure Switch Modulating Temperature ControlHigh and Low Gas Pressure Switches Optional Low Water Cut-Off OptionalBlocked Vent Switch UDB Diagnostic BoardWiring Diagrams ModelsModels Section C Installation Section D Start-upPre Start-up Pre Start-up Check Blower AdjustmentStart-Up Initial Start-upManifold Adjustment Safety Inspection Leak Test Procedure Dual-Seat Gas ValveFollow-Up Leak Test Procedure Post Start-Up CheckSection D Start up Lighting Instructions Section EOperation To Turn Off Gas To ApplianceSection E Operation Troubleshooting Section FUDB 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.
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