Bradford-White Corp M-2-50T6DS service manual Service Procedure RE-V, Thermostat Removal

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SERVICE PROCEDURE RE-V

 

 

Thermostat Removal and Replacement

Thermostat Removal

WARNING

1.

Turn power “OFF” To water heater.

High voltage exposure. Be sure power is

2.

Remove access cover and insulation.

“OFF” when performing this procedure.

 

3.Remove plastic thermostat protector from thermostat.

4.Disconnect wires from thermostat terminals. It may be necessary to label wires for proper re-connection to new thermostat.

5.Note thermostat temperature setting for proper setting of new thermostat.

6.Slide thermostat upwards and out of mounting bracket.

Thermostat Replacement

1.Use a stiff brush to remove any debris or loose scale from tank surface where new thermostat will be installed.

2.Slide new thermostat down into thermostat bracket until it snaps into place. IMPORTANT! Thermostat must set completely flat or flush to tank surface. An improperly installed thermostat will cause improper water heater operation.

3.Refer to the wire diagram located on the inside of the access cover and re-connect wires to the thermostat. Be sure wire connections are snug and corrosion free. Do not over tighten, doing so may damage thermostat.

4.Set thermostat to the original thermostat setting found on the old thermostat.

5.Re-install plastic thermostat protector.

6.Re-install insulation and access cover.

7.Restore power to water heater and verify proper heater operation.

Tank Surface

Proper Thermostat mounting

flush with tank surface

Thermostat

Improper Thermostat mounting.

Thermostat not flush with tank surface

Thermostat mounting

bracket

Front View

Thermostat Mounting

Side View

Side View

Proper Thermostat

Improper Thermostat

Mounting

Mounting

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Contents Troubleshooting Guide Instructions for Service Table of Contents RED Black General InformationWattage Limitations at Various Voltages Surface Mounted Thermostats Sequence of Operation- Single Element Operation Sequence of OperationNon-Simultaneous and Simultaneous Operation Circuit two Thermostat closed At terminal T4 At terminal T2 Thermostat open At terminal T2 From Off Peak Meter Troubleshooting Quick Step Plan to Hot Water Line Voltage & High Limit ECO Testing Service Procedure RE-IHeating Element Testing Service Procedure RE-IIWater In Tank Is Cold With Power on Service Procedure RE-IIIDouble Element, Non-Simultaneous, Single Phase Operation Be sure thermo stats are reset to their original Service Procedure RE-III Service Procedure RE-III Double Element, Simultaneous, Three Phase Operation Service Procedure RE-III Turn power on to water heater Set multi-meter to Volts AC Be sure thermo stats are reset to their original Service Procedure RE-IV Be sure thermostats are reset to Double Element, Simultaneous, Single Phase Operation Service Procedure RE-IV Tank Does Not Deliver Enough Hot Water Service Procedure RE-IV Service Procedure RE-IV Service Procedure RE-IV Thermostat Removal Service Procedure RE-VHeating Element Removal Anode Inspection and Replacement Service Procedure RE-VIIGeneric Parts List Page Page Page Parts@bradfordwhite.com Techserv@bradfordwhite.com

M-2-50T6DS specifications

Bradford-White Corp is renowned for its commitment to quality and innovation in water heating solutions, and the M-2-50T6DS model exemplifies this philosophy. Designed to meet the needs of both residential and light commercial applications, this 50-gallon gas water heater is engineered for efficiency, reliability, and ease of use.

One of the standout features of the M-2-50T6DS is its high recovery rate, which is achieved through a powerful atmospheric vent design that allows for quick heating of water. The heater’s 40,000 BTU per hour input ensures that there is always a sufficient supply of hot water available when needed. This makes the unit ideal for households with multiple bathrooms or for commercial settings where high hot water demand is common.

The Bradford-White M-2-50T6DS incorporates a state-of-the-art ignition system known as the Direct Spark Ignition (DSI). This technology provides a reliable start-up with minimal energy consumption, enhancing both safety and efficiency. The DSI system reduces the risk of pilot light outages and simplifies the ignition process, making it user-friendly.

In terms of construction, the M-2-50T6DS is built with a robust design featuring a glass-lined tank for superior corrosion resistance. This durable tank is insulated with CFC-free foam, ensuring optimal heat retention and minimizing energy loss. Coupled with the unit's Energy Factor rating, it reflects Bradford-White's dedication to energy efficiency, offering long-term savings on utility bills.

Another notable characteristic is the heater's integrated thermal expansion tank, which helps manage water pressure and reduces damage to your plumbing system, thereby enhancing the overall longevity of both the heater and your home’s plumbing infrastructure.

Safety is a priority with the M-2-50T6DS as well. The model is equipped with a dual-sensor thermostat that monitors the temperature and adjusts accordingly to prevent overheating. Additionally, it features a temperature and pressure relief valve for added safety, ensuring that the unit operates within safe parameters.

In summary, the Bradford-White M-2-50T6DS water heater epitomizes advanced engineering and high performance. With a focus on efficiency, reliability, and safety, this model is an excellent choice for anyone in need of a dependable source of hot water, demonstrating Bradford-White's unwavering commitment to quality in the water heating industry.