Thermo Couples And Safety Controls Flashcards

1
Q

What does a red terminal connection represent

A

Indicates mV gas valve

Blue is in volts

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2
Q

Flame failure response time

A

Input(MBH) Response time(in seconds)
Natural gas Propane
Up to 400 MBH 180 sec. 180 sec
400 MBH-1000 MBH 90 sec. 20 sec
Over 1000 MBH 4 sec. 4sec

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