(A)
(B)
NORMAL FIRING
(n° = seconds from instant 0)
NO FIRING
BURNER OPERATION
Key (A) - (B)
1 - Thermostat
2 - Motor
3 - Air gate valve
4 - Ignition transformer
5 - First valve
6 - First flame
7 - Second valve
8 - Second flame
9 - Lock-out
BURNER FLAME GOES OUT DURING OPER-
ATION
If the flame should accidentally go out during
operation, the burner will lock out within 1s.
D1144
D1145
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