Carrier KJR-120X2/TFBG-E Manuel D'installation page 8

3. Installation method
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. Fasten the back plate of the wired controller
• For exposed mounting, fasten the back plate on the
wall with the 3 screws (M4×20) and plugs. (Fig.3-3)
• Use two M4×25 screws to install the back cover on the
86 switch box, and use one M3.9×25 screw to fix to the
wall.
5-GB
Back plate
Screw hole fixed on the wall,useone φ3.9×25mm
Screw hole installed on 86 switch box, use two M3.9×25mm
Screws (M4×20)
Fig 3-3
Fig 3-4