Bradford-White Corp Commerical 24 Volt Flue Damper series Water Heater Pilot Burner Removal

Page 13

SERVICE PROCEDURE D24-IV

Main Burner & Pilot

Removal and Inspection

Pilot Shield

Pilot Burner Removal

Step 1. With burner rack removed from heater, disconnect pilot tube connection from gas valve

Step 2. Remove the two pilot burner mounting screws securing the pilot and pilot shield in place.

Step 3. Remove pilot shield and pilot from burner rack.

Step 4. To install pilot burner and pilot shield, reverse above procedure. Be sure to reconnect green ground wire.

Pilot & Pilot Shield

Ground Wire

Location

Mounting Screws

 

Pilot Burner Inspection

Step 1. Inspect pilot for the following:

a)Broken or cracked ceramic insulators. If found, pilot must be replaced.

b)Damaged electrode or flame sense wire. If found, pilot must be replaced.

c)Oxidation build-up on flame rod. Clean flame rod or replace pilot as necessary.

Step 2. Inspect pilot orifice:

a)Remove 7/16" ferrule nut from bottom of pilot.

b)Remove pilot tube and orifice from pilot.

c)Inspect pilot tube for blockage. Clean or replace as necessary.

d)Inspect pilot orifice for blockage. Clean or replace as necessary.

 

Flame

 

Rod

 

Ceramic

 

Insulators

Pilot

 

Orifice

Ignition

 

 

Wire

7//16"

 

ferrule

 

Nut

Flame Sense

 

Wire

 

Aluminum

 

Pilot Tubing

Page 13

13

Image 13
Contents To be performed only by qualified service providers Service ManualTable of Contents Tools Required for Service Lockout Condition Sequence of OperationTo Avoid Personal Injury TroubleshootingThermostat Circuit Testing Service Procedure D24-IDo not leave thermostat jumper Place for normal operation Lower Thermister Upper ThermisterPilot Operation Testing Service Procedure D24-IICondition IllustrationMain Burner Operation Testing Service Procedure D24-IIIProvide proper Main Burner & Pilot Removal and Inspection Service Procedure D24-IVMain Burner Removal Main Burner InspectionPilot Burner Inspection Pilot Burner RemovalFlue Baffle Removal, Inspection Service Procedure D24-VService Procedure D24-VI Generic Parts List 1/8 Reducer Bushing Temperature Control Knob CO2 BTU/HECO GFIParts@bradfordwhite.com Techserv@bradfordwhite.com

Commerical 24 Volt Flue Damper series Water Heater, D38T155 specifications

Bradford-White Corporation is recognized for producing high-quality water heating solutions, and one of the standout products in their lineup is the D38T155 Commercial 24 Volt Flue Damper Series Water Heater. This water heater exemplifies the company’s commitment to efficiency, reliability, and advanced technology tailored to meet the demands of commercial establishments.

The D38T155 model features a robust design, engineered to provide consistent hot water delivery for a range of commercial applications. With a 38-gallon capacity, it is ideal for small to medium-sized businesses, including restaurants, hotels, and other facilities that require dependable access to hot water.

One of the key features of the D38T155 is its 24-volt flue damper system, which enhances energy efficiency. This technology prevents heat loss by closing the damper when the water heater is not in operation. As a result, the unit minimizes energy waste, contributes to lower utility bills, and simplifies compliance with stringent energy regulations. The flue damper's precision operation ensures that only the required amount of energy is utilized, optimizing performance.

The water heater is also equipped with a direct vent design. This allows for the safe venting of combustion gases, making it suitable for indoor installations while ensuring the surrounding environment remains safe and free of harmful emissions. The advanced insulation technology utilized within the tank further preserves heat, reducing the frequency of heating cycles and extending the lifecycle of the appliance.

In terms of maintenance, the D38T155 is designed with accessibility in mind. Its components are placed for easy access, allowing maintenance personnel to perform inspections and repairs with minimal disruption. This user-friendly design ensures that downtime is kept to a minimum, effectively supporting the operational needs of commercial facilities.

The Bradford-White D38T155 also showcases durability through its high-quality materials and comprehensive manufacturing process. Built with a glass-lined tank, it provides excellent corrosion resistance, prolonging the life of the water heater.

In summary, the Bradford-White D38T155 Commercial 24 Volt Flue Damper Series Water Heater combines advanced technology, energy efficiency, and reliable performance. With its user-centric design and durable construction, it stands as an optimal solution for businesses looking to meet their hot water needs effectively and economically.