Raypak 503-2003 manual High Limit Manual Reset, High Limit Auto Reset Optional, Flow Switch

Page 37

SECTION C: Installation

The optional adjustable manual reset high limit is lo- cated inside the heater junction box. Push the reset button and adjust the setting to approx. 40°F above desired outlet temperature.

Fig. 29: Ignition Module

The standard single-try ignition module will lock out after failing to light one time. To reset it, press and release the small, recessed black push button located inside of the cut-out on the lower right-hand corner of the ignition module case. Turning off the power to the heater WILL NOT reset the ignition module.

The optional ignition module will attempt to light three times before locking out. To reset it, turn off power to the heater, wait 30 seconds and re-apply power.

Code

 

Condition

 

 

 

On

 

System OK; No faults present

 

 

 

Off

 

Possible control fault; Check power

 

 

 

1 Flash

 

Low air

 

 

 

2 Flashes

 

Flame in combustion chamber;

 

No call for heat

 

 

3 Flashes

 

Ignition lockout

 

 

 

4 Flashes

 

Low HSI current

 

 

 

5 Flashes

 

Low 24 VAC

 

 

 

6 Flashes

 

Internal fault; Replace control

 

 

 

 

 

Table O: Ignition Module

 

Diagnostic LED Flash Codes

High Limit - Manual Reset

The heater is equipped with a fixed setting manual re- set high limit temperature device as standard or it may have an optional adjustable setting manual reset high temperature device.

The fixed setting manual reset high limit is located on the In/Out header of the heat exchanger on the right side of the heater (accessible through the front door for reset as necessary).

Fig. 30: Fixed Setting & Adjustable High Limit

(Manual Reset)

High Limit - Auto Reset (Optional)

The heater may be equipped with an optional adjust- able auto reset high limit temperature device.

The optional adjustable auto reset high limit is located inside the heater junction box. Adjust the setting to approx. 20°F above desired outlet temperature.

Fig. 31: Adjustable High Limit (Auto Reset)

Flow Switch

This standard, dual-purpose control, mounted and wired in series with the main gas valve, shuts off heater in case of pump failure or low water flow.

35

Page 36 Page 38
Image 37
Page 36 Page 38
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 AirWater Piping Canadian InstallationsGeneral Cold Water Operation Relief Valve Piping Hydrostatic TestCold Water Starts 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 WaterGas Supply Pressure Gas Supply ConnectionModel NPT 4 NPT 2 NPT Check the Power Source Electrical Power ConnectionsField-Connected Controllers Making the Electrical Connections Field Wiring ConnectionAppliance Categories VentingSupport of Vent Stack Inlet MaterialVent Terminal Location Canada InstallationsVenting Configurations Venting Installation TipsInstallation Vertical Venting CategoryTermination Vent Size Volume Model Pressure Flue Products In. WCCommon Venting Typical Common Venting Horizontal Through-the-Wall Direct Venting CategoryHorizontal Through-the-Wall Direct Venting Direct Vent Vertical Direct Vent VerticalControls Outdoor InstallationFreeze Protection Definitions Operating ModesOperation 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 Start-up Section DPre Start-up Start-Up Blower AdjustmentPre Start-up Check Initial Start-upManifold Adjustment Leak Test Procedure Dual-Seat Gas Valve Safety InspectionFollow-Up 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 Suggested Minimum Maintenance Schedule MaintenanceSection G Preventive Maintenance Schedule Appendix Section HInside Air Contamination Limited Parts Warranty MVB Types H and WH
Related manuals
Manual 56 pages 27.2 Kb

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.
Top Page Image Contents