Overview of Primary Product

21
£
WIRING DIAGRAM & CONNECTIONS - EXPANSION BOARD UP TO EIGHT BURNERS
G
L
Main Chassis J9 Terminals
N
N
L
G
Neutral
8
9
10
1
2
3
7
4
Flame Rod
Shield
Yellow
UV7A4
or UV7R4
U.V. Scanner
UV7A4
or UV7R4
U.V. Scanner
UV7A4
or UV7R4
U.V. Scanner
UV7A4
or UV7R4
U.V. Scanner
UV7A4
or UV7R4
U.V. Scanner
UV7A4
or UV7R4
U.V. Scanner
UV7A4
or UV7R4
U.V. Scanner
Blue
Flame Rod
Shield
Yellow
Blue
5
6
Shield
8
9
10
1
2
3
7
4
Blue
Flame Rod
Yellow
Flame Rod
Shield
Blue
Yellow
Burner #5
Burner #7
5
6
J4
Terminals
2
J1
Terminals
Using both sensors isn’t mandatory; you may use a flame rod, or a UV scanner, or both.
Burner #6
Burner #8
J3
Terminals
2
8
9
10
1
2
3
7
4
Flame Rod
Shield
Yellow
Blue
Flame Rod
Shield
Yellow
Blue
5
6
Shield
8
9
10
1
2
3
7
4
Blue
Flame Rod
Yellow
Flame Rod
UV7A4
or UV7R4
U.V. Scanner
Shield
Blue
Yellow
Burner #10
Burner #12
5
6
J6
Terminals
2
Burner #9
Burner #11
J5
Terminals
2
J1 (Input) Terminals
1 – Neutral
2 – 120 VAC
3 – Ground
Expansion
Power Inputs
1 – U.V. (Blue)
2 – Ground (Yellow)
3 – Flame Rod
4 – Shield Connection
5 – Not Used
6 – Not Used
7 – U.V. (Blue)
8 – Ground (Yellow)
9 – Flame Rod
10 – Shield Connection
1 – Flame Rod
2 – Ground (Yellow)
3 – U.V. (Blue)
4 – Shield Connection
5 – Not Used
6 – Not Used
7 – Flame Rod
8 – Ground (Yellow)
9 – U.V. (Blue)
10 – Shield Connection
J3 (Sensors/Burners 6 & 8) Terminals
2
Burner #6
Burner #8
J4 (Sensors/Burners 5 & 7) Terminals
2
Burner #5
Burner #7
1 – U.V. (Blue)
2 – Ground (Yellow)
3 – Flame Rod
4 – Shield Connection
5 – Not Used
6 – Not Used
7 – U.V. (Blue)
8 – Ground (Yellow)
9 – Flame Rod
10 – Shield Connection
1 – Flame Rod
2 – Ground (Yellow)
3 – U.V. (Blue)
4 – Shield Connection
5 – Not Used
6 – Not Used
7 – Flame Rod
8 – Ground (Yellow)
9 – U.V. (Blue)
10 – Shield Connection
J5 (Sensors/Burners 9 & 11) Terminals
2
Burner #6
Burner #8
J6 (Sensors/Burners 10 & 12) Terminals
2
Burner #5
Burner #7
(GN) GND (Return)
D
C
A
B
(BK) Signal (UV)
(RD) Neutral
(WH) 120 VAC
UV7SC
Self-Check
Scanner
Note: Connect J1 of expansion
board to J9 of main chassis.
120 VAC
2
2
2
2
2
2
2
2
2