REPLACING AN R4140L OR R4150L WITH A
BC7000L/PM720L1030 /PM720L2004
L
/-..,
‘-4
~VJIRllUG
CHANGE NOT NECESSARY FOR PM720LI030
BC7000L/PM720L1030 /PM720L2004
1.
2.
3.
STEPS FOR CONVERSION
IDENTIFY AND REMOVE BURNER CONTROLLER AND LIMITS
CIRCUIT WIRE FROM TERMINAL NO. 4 ON THE Q520A
~
SUBBASE AND CONNECT TO TERMINAL NO. 16.
IDENTIFY AND REMOVE HIGH FIRE PROVING SWITCH WIRES
FROM TERMINAL NO, 8 AND CONNECT THEM TO TERMINAL L1 .
(THE LOW FIRE SWITCH WIRE MAY BE CONNECTED TO
TERMINAL NO. 15. REMOVE FROM TERMINAL NO. 15 AND
CONNECT TO 8.)
E1236A
FOR ENERGY SAVING PREPURGE USE PM720L2004.
2-
-T
28
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