WWW.SUNLIGHTSUPPLY.COM
Distributed by:
Samsung MAX Wired Controller (optional)
Part: #700574
sub-PCB INSTALLATION INSTRUCTIONS
• The sub-PCB installs inside a single MAX indoor unit (Part #700550, #700554
or #700558). It is required to connect and control an indoor unit with the
Samsung wired controller (part #700578).
• Provides 12V DC to the Samsung wired controller (part #700578).
• Required to control MAX models with Samsung central control options
(upper level control).
• Includes sub-PCB, 4 crimp wire connectors, wire harness and sub-PCB cover.
sub-PCB Wire Harness
sub-PCB
1. With the power off, open the front panel of the MAX indoor unit. Remove the
main PCB cover by removing the screw in the bottom corner.
• Make sure the power is turned
off to the outdoor unit before
opening the indoor unit PCB
cover or cabinet.
• The front panel of the MAX
indoor unit is easily removed to
make installation easier and to
prevent damage to the panel.
INSTALLATION NOTES: