Install Instructions

65-0100—2 58
7800 SERIES CONVERSION WIRING DIAGRAM
FROM________________________________ TO ______________________
(DEVICE TO BE MODERNIZED) (O.S. NUMBER OF RELAY MODULE TO BE USED)
12
Q7800
13
14
15
16
18
17
19
20
21
22
G
L2
9
8
7
6
5
4
3
10
F
15
2
9
8
R
7
FIREYE 26RJ8 1002, 1003, 1008, 1011, 1018, 6008, 6018
29RF5 1000, 1002, 1005, 1015, 1104
29RF5 6015
M2559B
12
5
3
7
4
B
A WIRE NUT FIREYE TERMINAL 3 AND W
TOGETHER. NOTE: CHECK ELECTRICAL
RATINGS OF THE CONTROLLER, START
INTERLOCKS AND AIRFLOW SWITCH. THEY
MUST BE RATED 120 VAC AND THE
CONTROLLER ALSO MUST BE CAPABLE OF
HANDLING LOADS OF FIREYE TERMINALS 5,6
AND 7.

IDENTIFY THIS JUNCTION AND CONNECT TO
Q7800 SUBBASE TERMINAL 6.

IDENTIFY AND REMOVE START INTERLOCK
CONNECTION AT THIS POINT AND CONNECT
TO Q7800 SUBBASE TERMINAL 4. START
INTERLOCK NOW BECOMES A PREIGNITION
INTERLOCK. JUMPER Q7800 SUBBASE
TERMINAL 4 TO 20 IF START INTERLOCK IS
NOT USED.

FIREYE TERMINAL 5 PROVIDED 15 SECOND
MFEP. TERMINAL 6 PROVIDED 30 SECOND
MFEP. SELECT PROPER CONFIGURATION
JUMPER FOR 15 SECONDS OR ADD JUMPER
FROM Q7800 SUBBASE TERMINAL 5 TO 19
FOR 30 SECOND MFEP TIMING.
11
B
RM7840G1014 OR RM7800G1018
C
C
D
5&6
D
9
14
1ST STAGE
FUEL VALVE
2ND STAGE
FUEL VALVE
(OPTIONAL)
10
IGNITION
TRANSFORMER
FOR DIRECT SPARK IGNITION 
(OIL OR GAS)
21
9
L2
8
LIMITS CONTROLLER
START
INTERLOCKS
AIRFLOW
SWITCH
W
A
B
B
R
3
4
BURNER
SWITCH
C
12
10
13
9
GENERAL FOOTNOTES, SEE PAGE 5.
C
19
B
4