Cleaver-Brooks CB780 - Solid State Self-Checking Ultraviolet

750-166 1-17
CB780/CB784
ASSEMBLY
BLUE
YELLOW
WHITE
WHITE
BLACK
BLACK
F
G
22
L2
L1
L2
M7410
BLUE
WHITE
F
G
F
G
INFRARED (817-1742)
ULTRAVIOLET (817-1743)
SOLID STATE SELF-CHECKING
ULTRAVIOLET (817-1121)
1
2
1
FLAME DETECTOR LEADS ARE COLOR CODED. THE BLUE LEAD
MUST BE CONNECTED TO THE F TERMINAL AND THE WHITE
MUST BE CONNECTED TO THE G TERMINAL. THE UV SENSING
TUBE IS POLARITY SENSITIVE. REVERSING THE LEADS EVEN
MOMENTARILY CAN DAMAGE OR DESTROY THE UV TUBE.
FLAME DETECTOR LEADS ARE COLOR CODED. THE BLUE LEAD
MUST BE CONNECTED TO THE F TERMINAL AND THE YELLOW
MUST BE CONNECTED TO THE G TERMINAL. THE UV SENSING
TUBE IS POLARITY SENSITIVE. REVERSING THE LEADS EVEN
MOMENTARILY CAN DAMAGE OR DESTROY THE UV TUBE.
1 BROWN WIRE AND 1 WHITE WIRE FROM THE 817-1742,
CONNECT TO THE CB 780/CB 784 WIRING SUBBASE, COLOR
NOT IMPORTANT. KEEP WIRES AS SHORT AS POSSIBLE
AND TWIST THEM.
2
3
3
Fig. 16—Flame signal amplifier mounting.
Fig.17—Flame detector wiring.Fig. 15—Remote mounting of Keyboard
Display Module.