REPLACING AN R4140M OR R4150M WITH START
INTERLOCKS WITH A BC7000L/PM720M2002
*-X
x
x
;.-”
.“.
STEPS FOR CONVERSION
1. START INTERLOCKS BECOME PREIGNITION INTERLOCKS.
2. DISCONNECT DAMPER CONTROL WIRE FROM TERMINAL 10
CONNECT IT TO TERMINAL 11.
3. REMOVE JUMPER FROM TERMINAL BETWEEN TERMINAL 11
AND 12 (on some models).
4. IF LOW FIRE SWITCH IS NOT USED, CONNECT JUMPER WIRE
BETWEEN TERMINALS 8 AND 13.
5. JUMPER 8 TO
15
FOR 30-SECOND PREPURGE.
6. IF OLD CONTROL HAD 12 TO 11 JUMPERED, ADD A JUMPER
FROM 12 TO 16.
E1235B
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