Extron Electronics MK Faceplate User Manual
Page 2
EC and MK Model Faceplates Installation Guide, cont’d
EC and MK Model Faceplates • Installation Guide
2
Installing an MLC or SCP Controller Using an MK
Faceplate
CAUTION
Installation and service must be performed by authorized personnel only.
This product must be used with the correct MK electrical box.
The MK box is not included with the controller or faceplate; the installer is
responsible for obtaining and installing the box.
The MK box must have a minimum depth of 47 mm.
1
.
The MK wall box should already be installed. If it is not, have it installed only
by a qualified electrician.
2
.
Replace the controller’s standard faceplate with the MK model faceplate.
a
.
Use a small Philips screwdriver to remove the faceplate attachment
screws.
b
.
Lift the faceplate off the controller.
c
.
Align the openings in the new faceplate with the controller’s buttons,
knob, and LEDs, and place the new faceplate on the controller.
d
.
Replace the screws removed in step a, and hand tighten them.
3
.
Feed cables through the wall box punch-out holes, and secure them with cable
clamps to provide strain relief.
4
.
Exposed cable shields (braids or foil) are potential sources of short circuits.
Trim back and/or insulate shields with heat shrink.
Installation Cable
Metal Wall Box
Screw
Braided Shield
Grounding outer braided and foil shields
To prevent short circuits, the outer foil shield can be cut back to the point
where the cable exits the cable clamp. Both braided and foil shields should
be connected to an equipment ground at the other end of the cable.
5
.
Cable and test the controller before securing it into the wall box. The cables
are inaccessible after installation
. Refer to the controller user’s manual.
6
.
Place the controller through the opening in the wall or furniture and into the
MK box. Take care not to damage the cables, which are laid next to the
controller at the side of the box.
7
.
Attach the faceplate to the MK box with M3, 30 mm machine screws. (See the
illustration on the next page.)