Install Instructions

21 65-0100—2
12
Q7800
13
14
15
16
18
17
19
20
21
22
G
L2
9
8
7
6
5
4
3
10
F
G
L2
9
7
M2545B
A
6
F
GENERAL FOOTNOTES, SEE PAGE 5.
A
1234
5 78
15 17
17
17
A
B
C
C
B
5
7800 SERIES CONVERSION WIRING DIAGRAM
FROM________________________________ TO ______________________
(DEVICE TO BE MODERNIZED) (O.S. NUMBER OF RELAY MODULE TO BE USED)
L1&4
RM7840G1014 OR RM7800G1018
1ST STAGE
FUEL VALVE
2ND STAGE
FUEL VALVE
(OPTIONAL)
10
IGNITION
TRANSFORMER
FOR DIRECT SPARK IGNITION 
(OIL OR GAS)
21
9
L2
LOCATE START INTERLOCK
CONNECTION ON Q520 SUBBASE
TERMINAL 10 AND CONNECT TO Q7800
SUBBASE TERMINAL 20. IF START
INTERLOCK WAS NOT USED, JUMPER
Q7800 SUBBASE TERMINAL 4 TO 20
START INTERLOCKS WILL NOW
BECOME PREIGNITION INTRLOCKS.

R4150 TERMINAL 6 PROVIDES 
30 SECOND MFEP. JUMPER Q7800
SUBBASE TERMINAL 5 TO 19 AND
CLIP JUMPER JR2 TO ACHIEVE 30
SECOND MFEP.

R4150 TERMINAL 5 PROVIDES A 15
SECOND MFEP. TERMINAL 8 OF THE
7800 SERIES CONTROL PROVIDES A 
10 SECOND MFEP.

10
8
R4150A1080, A1155
11