Mars Comfort-Aire Century MCB18 SA Series Installation And Owner's Manual page 8

3. Inst allat ion met hod
NOTE: The PCB is mounted in the upper part of the wired
controller. Be careful not to damage the board
with the slot screwdriver.
3. Fast en t he back plat e of t he w ired cont roller
For exposed mounting, fasten the back plate on the wall with
the 3 screws (M4×20) and plugs. (Fig.3-3)
Use two M4X25 screws to install the back cover on the 86
switch box, and use one M3.9X25 screw to x to the wall.
5
Back plate
Fig 3-3
Screw hole fixed on the wall, use one φ
Screw hole installed on 86 switch box, use two
Fig 3-4
Wired Controller IOM - VCDxxSA
Screws (M4×20)
mm
3.9X25
mm
M3.9X25