Thermo Couples And Safety Controls Flashcards
1
Q
What does a red terminal connection represent
A
Indicates mV gas valve
Blue is in volts
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