Bradford-White Corp PE4403S*F(BN,SX) Unscrew the burner from the main burner orifice

Page 18
Main feedline
Step 11. Remove the main burner orifice from the main feedline using a 1/2” wrench. Inspect the orifice and clean or
replace, if necessary.1/2” wrench Page 18
Burner assembly
Burner surface area
and burner ports
Step 9. Thoroughly inspect the burner surface area and burner port area and remove any loose debris.
Remove the burner assembly from the combustion
Step 8. chamber.
Disconnect the spark igniter/flame sensor wire from
Gas control
Spark igniter/flame
sensor wire
Step 7. gas control.
Burner Maintenance
Burner Cleaning Procedure (cont’d)
Step 5. Remove the (4) 1/4” hex drive screws holding the right side inner door in place.
(4) 1/4” hex drive
screws
Step 6. Disconnect the pilot tube using a 7/16” wrench and the main burner feedline with a 3/4” wrench from the gas
control.Pilot and main feedlines

Step 10. Unscrew the burner from the main burner orifice.

18

Right side inner door

Main burner

orifice

Image 18
Contents Service Manual Table of Contents Page Page Bradford White Defender Safety System IntroductionHow to Use this Manual How to Use this ManualSpecifications SpecificationsControl Timings Normal Heating Sequence Power Up SequenceSequence of Operation Relay EnergizedNormal Heating Sequence cont’d Abnormal Operation cont’d Temperature Sensor Fault Safety Circuit FaultTrial for Ignition Fault Abnormal Operation cont’d Flame Sensing Fault Troubleshooting LED Status Control Status Probable Cause Service ProcedureTroubleshooting Gas Valve / Control Model LED Status Accessory Module Probable Cause Burner Maintenance Burner Cleaning ProcedureBurner Inspection Unscrew the burner from the main burner orifice Burner Cleaning Procedure cont’d Pilot Inspection, Testing, and ReplacementPilot Maintenance Pilot Inspection, Testing, and Replacement cont’dThermal Well Testing Thermal Well Testing Thermal Well Testing cont’dDetermine Water Temperature Inside Tank Determine Tank Temperature Determine Water Temperature Inside Tank cont’dSensor Resistance at Various Temperatures Component Disassembly Gas Control & Thermal Well Removal From Water HeaterGas Control Removal Gas Control Removal From Thermal WellGas Control Assembly to the Thermal Well Gas Control Removal From Thermal Well cont’dGas Control Assembly Gas Control Assembly to the Thermal Well cont’dFlammable Vapor Sensor Testing Relay Replacement Flammable Vapor Sensor TestingFlammable Vapor Sensor Testing cont’d VAC Circuit TraceRelay Replacement Relay Replacement cont’dCommon Terms Common TermsParts List Part Name and DescriptionParts@bradfordwhite.com Techserv@bradfordwhite.com

PE4403S*F(BN,SX), PE440T*F(BN,SX), PE4503*F(BN,SX), PE2XR504T*F(BN,SX) specifications

Bradford-White Corporation is a renowned manufacturer of water heating and storage products, well-regarded for its commitment to quality and innovation. Among its diverse product lineup, the PE2XR504T*F(BN,SX), PE4503*F(BN,SX), PE440T*F(BN,SX), and PE4403S*F(BN,SX) models stand out for their technology, efficiency, and performance. These commercial electric water heaters are designed for demanding applications, making them ideal for various settings, including restaurants, hotels, and industrial facilities.

One of the most notable features across these models is the use of advanced heating elements, which are engineered to provide rapid recovery and consistent hot water temperatures. This capability ensures that businesses can rely on a continuous supply of hot water, particularly during peak demand periods. The tanks are constructed with high-quality materials that guarantee durability and longevity, reducing the need for frequent replacements.

Another key feature is the digital temperature control system, which allows users to easily set and maintain the desired water temperature with precision. This technology not only enhances user convenience but also contributes to energy efficiency, allowing businesses to operate within sustainable parameters while minimizing energy costs. Additionally, certain models are equipped with Bradford-White’s patented Hydrojet® Total Performance System, which promotes superior tank cleaning and reduces sediment buildup, thereby improving efficiency and prolonging the life of the heater.

Safety is paramount in the design of these units. The incorporation of advanced safety features, including a self-resetting thermal cutoff and a high limit switch, helps protect against overheating. Furthermore, these models are built with a robust insulation system, which reduces heat loss and improves overall energy efficiency.

In terms of versatility, the PE2XR504T*F(BN,SX), PE4503*F(BN,SX), PE440T*F(BN,SX), and PE4403S*F(BN,SX) can be easily integrated into existing plumbing systems. They are available in various capacities and configurations, catering to a wide range of commercial needs. With their combination of cutting-edge technology, reliability, and safety features, these Bradford-White models are an excellent investment for any commercial establishment seeking efficient and dependable hot water solutions.