4
PART#-31600075 LIT-SDD4000-HVAC-S INSTALL REV.A
14. Align the PCB assembly with the machine and make the remaining electrical
connections: (FIG.3)
–
The connections are NOT THE SAME as the original configuration.
–
Reconnect the large 2 pin connector, it will snap into place.
–
DO NOT reconnect the 2 pin connector from the machine fan.
–
Connect the 3 pin pump connector from the machine to the 2 pin connector J14
on the PCB box so that the 2 wires are connected to the 2 pins on the control
board.
–
The 3 pin connector on the control board will be left unused.
15. Reattach PCB faceplate assembly to SDD4004 and secure with the 4 flathead screws
removed earlier.
16. Connect power and test that the machine
functions properly, the ‘HVAC’ icon will be lit
on the display in the default power up state.
With the machine connected to power use a
short piece of copper wire to jump between
the 2 contacts of the screw terminal connector.
The ‘HVAC’ icon will disappear whenever
this connection is made, indicating a loss of
duct pressure and the fragrance will not be
dispensed.
CLEAR
WINDOW
