Specifications

Control Timings

Ignition State

Timing

 

Pre-purge

2 Seconds

 

Trial for Ignition

90 Seconds

 

Flame Stabilization Period

3 Seconds

 

Inter-purge

15 Seconds

 

Flame Failure Response Time

1.5 Seconds (2 second. Maximum; 1 second minimum.)

Post-purge

15 Seconds

 

PS Fault Delay (failed open/close)

Retry after 2 Minutes

 

Soft Lockout

Retry after 5 Minutes

 

TCO Limit Lockout

Indefinite (See Page 24 to reset)

 

Verify Resistive Delay

Retry after 2 Minutes (repeats 5 times)

 

Simulated Resistive Load Lockout

Indefinite (cycle power to reset)

 

Hardware Error Lockout

Indefinite (self clears if fault clears for at least 15 seconds)

 

Wiriing Diagram

 

 

Blower

Blower

 

Motor

 

Temperature

 

 

 

Switch

 

 

Pressure

 

 

Switch

 

 

Blower

 

 

Housing

 

Pilot

 

 

Pilot

 

 

BC A B C

A

Simulated

Flammable

Resistive

Vapor

Device

Sensor

Thermal

ThermalWell

Well

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Bradford-White Corp M4TW40T*F, M4TW60T*F, M2TW50T*F, M4TW50T*F, M2TW65T*F, M1TW40S*F, M1TW50S*F, TW450S65F Control Timings

M4TW40T*F, M1TW50S*F, M2TW50T*F, M4TW50T*F, M4TW60T*F specifications

Bradford-White Corporation is a leading manufacturer of water heating and storage solutions, known for its commitment to quality and innovation. Among its impressive product lineup, the M2TW65T*F, TW465S65F, TW450S65F, M1TW40S*F, and M1TW60T*F models stand out for their reliability and advanced technology suitable for both residential and commercial applications.

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