Install Instructions
65-0100—2 36
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
8&15
4
7
M2517B
A
6
F1
GENERAL FOOTNOTES, SEE PAGE 5.
A
B
E
1234
5 7815
18
B
D
C
B
D
5
7800 SERIES CONVERSION WIRING DIAGRAM
FROM________________________________ TO ______________________
(DEVICE TO BE MODERNIZED) (O.S. NUMBER OF RELAY MODULE TO BE USED)
L1&3
R4127A1007, A1015,1023, A1031, A1049
A1064, A1089, A1130, A1189, B1005,
B1013, B1021, B1047, C1003
RM7840G1014 OR RM7800G1018
C
E
D
R4127 PROVIDED 10 SECOND IGNITION-
REPLACEMENT. RM7840/RM7800
PROVIDES 5 SECONDS
IF LOW FIRE SWITCH IS NOT USED,
JUMPER Q7800 SUBBASE TERMINALS 5
AND 18. NOTE: THIS WILL ADD 30 SECONDS
TO THE PREPURGE TIMING.
Q535 OR Q536 SUBBASE HAD U1 AND U2
TERMINALS THAT WERE USED FOR
C7020 AND C7012E,F FLAME DETECTORS.
A. TO MODERNIZE C7020 APPLICATIONS,
CHOOSE A NEW DECTOR AND
REWIRE PER RM7840/RM7800
SPECIFICATIONS.
B. TO MODERNIZE A C7012E,F
APPLICATION, USE THE EXISTING
SENSOR AND REWIRE PER
RM7840/RM7800 SPECIFICATIONS.
LOCATE THIS JUNCTION
AND CONNECT IT TO
Q7800 SUBBASE
TERMINAL 6
LOCATE THE START INTERLOCKS AT THIS POINT AND
CONNECT IT TO Q7800 SUBBASE TERMINAL 20.
START INTERLOCKS NOW BECOME PREIGNITION
INTERLOCKS. IF START INTERLOCKS ARE NOT USED,
JUMPER Q7800 TERMINALS 4 TO 20.
LIMITS
CONTROLLER
START
INTERLOCKS
AIRFLOW
SWITCH
L1
3
4
16
12
13
14
11 IF USED
1ST STAGE
FUEL VALVE
2ND STAGE
FUEL VALVE
(OPTIONAL)
10
IGNITION
TRANSFORMER
FOR DIRECT SPARK IGNITION
(OIL OR GAS)
21
9
L2
15