For M-2 and M-3 Serial Standard Digital and Serial Deluxe Digital.
Chip Number - SERDLXR1A
Will operate two 2 speed pumps and 2 speed air blower
Or 2 pumps and a circulation pump, with 2 speed air blower. Note: Pump1 would now be a 1 speed, Pump2 would be 2 speed.
TECH NOTES: When using a 7 button topside control. Jumper J6 & J17 need to be on 1 pin and J10 on 2 pins too operate TWO 2speed pumps and a 2 speed air blower.
TECH NOTES: The square 3 finger Triac in the lower right corner needs to have a screw run through it with a backing nut and a wire needs to run from it too ground. Failure to do this will cause the air blower to malfunction and the Triac to burn up.
Jumper J7 A Side Programming
Jumper J7 B Side Programming
It is very important that you do not order a circuit board based on looks, several boards look alike but have different software or chips. It is the chip that drives the board and gives it its unique functions. To correctly identify a circuit board the chip number should be used to identify it. It can be found on a white sticker near the center of the circuit board. Another number that is helpful in identifying a Balboa Water Group circuit board is the five digit number found on most boards (5****).