Crestron MMK-4L & WMKM-4L
Mud Mount Kits
Installation Guide
This document was prepared and written by the Technical Documentation department at:
Crestron Electronics, Inc.
15 Volvo Drive
Rockleigh, NJ 07647
1-888-CRESTRON
All brand names, product names and trademarks are the property of their respective owners.
©2005 Crestron Electronics, Inc.
Crestron MMK-4L & WMKM-4L Mud Mount Kits
Mud Mount Kits: MMK-4L &
WMKM-4L
Description
Mud Mount Kits are the preferred mounting option for the Crestron Isys®
TPS-4L and TPMC-4L wall mounted touchpanels when cutouts made in the drywall
for touchpanel installation are too large. These kits provide support for additional
plastering that can be applied to hide large irregularities in the touchpanel cutout.
NOTE: If mounting into another material (other than drywall – for example, wood
lectern, concrete, or rock) use the cutout template, available in the post-construction
kit WMKM-4L. For concrete and rock mounting material, allow for proper
ventilation before mounting the touchpanel.
There are two Mud Mount Kits. The MMK-4L is a pre-construction accessory.
Pre-construction refers to framed walls prior to hanging drywall. This accessory
must be used with either the Pre-Construction Mount Kit (PMK-4L) or Back Box Kit
(BB-4L).
The WMKM-4L is a post-construction kit. Post-construction refers to framed walls
with drywall hung. This accessory is designed with a mounting plate so that it can be
placed anywhere on a wall without the support of a stud.
NOTE: If necessary, consult the latest revision of the TPS-4L Operations Guide
(Doc. 6449) or the TPMC-4L Operations Guide (Doc. 6450) for a complete list of
mounting options. Both documents are available from the Crestron website
(www.crestron.com/manuals).
Supplied Hardware
The MMK-4L consists of three parts. These parts produce an assembly that attaches
to the PMK-4L or BB-4L. The WMKM-4L consists of five parts–three of which
make up the MMK-4L–as well as one mounting plate and one cutout template. The
mounting plate provides the necessary support for post-construction applications.
Installation Guide – DOC. 6389 Mud Mount Kits: MMK-4L & WMKM-4L • 1
Mud Mount Kits Crestron MMK-4L & WMKM-4L
Supplied Hardware of the MMK-4L and WMKM-4L
DESCRIPTION PART NUMBER QUANTITY
Metal Plate, Mounting
(WMKM-4L only)
Metal Plate, Mud Ring 2013240 1
Metal Plate, Adjustment 2013243 2
Overlay Template, Cutout
(WMKM-4L only)
Hardware, Push-On Fastener 2004121 4
Dimensional Drawings
MOUNTING PLATE
FOR WMKM-4L
6.75 in
(17.15 cm)
2013242 1
4007975 1
ADJUSTMENT PLATE
FOR MMK-4L AND
WMKM-4L
0.38 in
(0.97 cm)
0.06 in
(0.15 cm)
5.55 in
(14.10 cm)
5.09 in
(12.93 cm)
MUD RING PLATE FOR MMK-4L AND WMKM-4L
7.06 in
(17.93 cm)
0.02 in
(0.05 cm)
6.67 in
(16.94 cm)
0.37 in
(0.94 cm)
2.26 in
(5.74 cm)
2 • Mud Mount Kits: MMK-4L & WMKM-4L Installation Guide – DOC. 6389
Crestron MMK-4L & WMKM-4L Mud Mount Kits
Drywall Cutout Templates and Dimensions (supplied with WMKM-4L only)
6.75 in
(17.15 cm)
0.76 in
(1.93 cm)
5.55 in
(14.10 cm)
0.56 in
(1.42 cm)
(10.26 cm)
4.04 in
1.30 in
(3.30 cm)
4.32 in
(10.97 cm)
5.63 in
(14.30 cm)
5.63 in
(14.30 cm)
0.21 in
(0.53 cm)
0.21 in
(0.53 cm)
3.63 in
(9.22 cm)
4.04 in
(10.26 cm )
3.83 in
(9.73 cm)
1.30 in
(3.30 cm)
3.02 in
(7.67 cm)
Installation
This section provides an installation procedure for each Mud Mount Kit. The
procedure for the MMK-4L starts below and the “WMKM-4L Procedure” starts on
page 6. Be sure to review each procedure before starting.
MMK-4L Procedure
The procedure in this section provides the necessary steps for the assembly of the
MMK-4L to either the PMK-4L or BB-4L. It is assumed that the PMK-4L or BB-4L
has been secured to the stud according to the procedures in their latest Installation
Installation Guide – DOC. 6389 Mud Mount Kits: MMK-4L & WMKM-4L
• 3
Mud Mount Kits Crestron MMK-4L & WMKM-4L
Guides (Doc. 6388 and Doc. 6387, respectively). Also, it is assumed that drywall is
in place and a rectangular cutout for the touchpanel is made in the drywall.
Complete the steps in the order provided. The only tools or materials required and
not supplied are a drywall saw or equivalent, four standard drywall screws, #2
Phillips screwdriver, a level, and tools/material to apply drywall joint compound.
CAUTION: Allow an air gap of at least 12 inches in the wall cavity above and
below the touchpanel for heat dissipation.
NOTE: The illustrations in this procedure show the installation of the MMK-4L
with the PMK-4L. Even though the illustrations only show the PMK-4L, they are
identical for the BB-4L as well.
1. Pass an adjustment plate through the opening and align its two center
holes with the top two pins on the PMK-4L. Verify that the pins on the
adjustment plate are not between (facing) the adjustment plate and the
PMK-4L. Refer to the illustration after this step for visual guidance.
Secure Adjustment Plates to PMK-4L (or BB-4L)
PMK-4L
(4) PUSH-ON
FASTENER
(2004121)
(2) ADJUSTMENT PLATE
(2013243)
2. Slide a push-on fastener over each pin of the PMK-4L (or
BB-4L) to loosely secure the adjustment plate and the mounting plate.
Do not push the push-on fasteners all the way down onto the pins. Slide
them on enough to keep the adjustment plate and mounting plate as one
adjustment/mounting plate assembly.
3. Use the second adjustment plate and repeat steps 1 and 2 using the
lower two PMK-4L (or BB-4L) pins.
NOTE: When installing into the PMK-4L, verify that the 18 AWG bus wire
securing the cables for the touchpanel remain attached.
• Mud Mount Kits: MMK-4L & WMKM-4L Installation Guide – DOC. 6389
4
Crestron MMK-4L & WMKM-4L Mud Mount Kits
4. Insert the symmetrical mud ring plate into the opening, as shown in the
illustration after this step.
Insert and Secure Mud Ring Plate into PMK-4L (or BB-4L)
PMK-4L
DRYWALL
FLANGE
HOLES FOR DRYWALL
SCREWS (NOT INCLUDED).
SCREW LENGTH SHOULD
NOT EXCEED DRYWALL
THICKNESS BY MORE
THAN ½ INCH.
MUD RING PLATE
(2013240)
5. When the mud ring plate is in position, bend the top two flanges of the
plate upward and the bottom two flanges downward.
• If mounting into the PMK-4L, bend the flanges approximately
90 degrees.
• If mounting into the BB-4L, bend the flanges back as far as they
can go.
6. Use four standard drywall screws (length should not exceed drywall
thickness by more than ½ inch) to secure the mud ring plate to the rest
of the assembly. The screws pass through the clearance holes in the
PMK-4L (or BB-4L) and are secured in the extruded holes of the
adjustment plates.
7. Verify that the mud ring plate is level.
NOTE: Do not over tighten screws. Doing so may over-dimple or rip the mud ring
plate.
8. Use a #2 Phillips screwdriver and tighten the drywall screws by hand
so that they slightly dimple into the holes in the mud ring plate.
9. Apply drywall joint compound as needed to finish the cutout. Avoid
covering the four tapped mounting holes.
10. Run the necessary cables for the touchpanel and secure them behind the
drywall.
11. When dry, the touchpanel can be installed using the four tapped holes
in the PMK-4L. Refer to the latest revision of the
TPS-4L Operations Guide (Doc. 6449) or the TPMC-4L Operations
Guide (Doc. 6450) for installation instructions.
Installation Guide – DOC. 6389 Mud Mount Kits: MMK-4L & WMKM-4L
• 5
Mud Mount Kits Crestron MMK-4L & WMKM-4L
WMKM-4L Procedure
The procedure in this section provides the necessary steps for the assembly and
installation of the WMKM-4L into a wall. Review the procedure and complete the
steps in the order provided. The only tools or materials required and not supplied are
a drywall saw or equivalent, a level, four standard drywall screws, #2 Phillips
screwdriver, and tools/material to apply drywall joint compound.
CAUTION: Allow an air gap of at least 12 inches in the wall cavity above the
touchpanel for heat dissipation.
1. Insert the two pins on one adjustment plate into the top two outer holes
on the mounting plate, as shown in the following illustration.
Create the Adjustment/Mounting Plate Assembly
(4) PUSH-ON FASTENER
(1) MOUNTING PLATE
(2013242)
(2004121)
(2) ADJUSTMENT PLATE
(2013243)
2. Slide a push-on fastener over each pin on the adjustment plate to
loosely secure the adjustment plate and the mounting plate. Do not
push the push-on fasteners all the way down onto the pins. Slide them
on enough to keep the adjustment plate and mounting plate as one
adjustment/mounting plate assembly.
3. Use the second adjustment plate and repeat steps 1 and 2 using the
lower two pins.
4. Locate an area on the wall that is free of miscellaneous wiring and
studs.
5. Make a small hole near the middle of the designated site; verify that the
location is suitable.
NOTE: Make the cutout as level as possible. The mounting plate allows for only
minor leveling adjustments.
6. Use the drywall saw or equivalent to produce a level, rectangular cutout
in the drywall as shown on page 3.
7. Insert the symmetrical mud ring plate into the opening, as shown in the
illustration after this step.
• Mud Mount Kits: MMK-4L & WMKM-4L Installation Guide – DOC. 6389
6
Crestron MMK-4L & WMKM-4L Mud Mount Kits
Insert the Mud Ring Plate into the Opening
DRYWALL
FLANGE
HOLES FOR DRYWALL
SCREWS (NOT INCLUDED).
SCREW LENGTH SHOULD
NOT EXCEED DRYWALL
THICKNESS BY MORE
THAN ½ INCH.
MUD RING PLATE
(2013240)
8. Carefully pass the adjustment/mounting plate assembly through the
opening and rest the assembly against the interior surface of the
drywall. Verify that the adjustment plates are between the mounting
plate and the drywall.
9. When the adjustment/mounting plate assembly is in position, bend the
top two flanges of the mud ring upward (approximately 90 degrees) and
the bottom two flanges downward (approximately 90 degrees). Refer to
the illustration after this step.
NOTE: Adjustment/mounting plate assembly will have slight play; this is normal. It
allows for minor adjustments to the touchpanel during installation.
Bend Flanges
10. Use four standard drywall screws (of adequate length) to secure the
plate to the adjustment/mounting plate assembly. The screws pass
through the clearance holes in the plate and are secured in the extruded
holes of the adjustment plates.
11. Verify that the plate is level before tightening.
Installation Guide – DOC. 6389 Mud Mount Kits: MMK-4L & WMKM-4L
• 7
Mud Mount Kits Crestron MMK-4L & WMKM-4L
NOTE: Do not over tighten screws. Doing so may damage the plate.
12. Use a #2 Phillips screwdriver and tighten the drywall screws by hand
so that they slightly dimple into the holes in the mud ring plate.
13. Run the necessary cables for the touchpanel and secure them behind the
drywall.
14. Apply drywall joint compound as needed to finish the cutout. Avoid
covering the four tapped mounting holes.
15. When dry, the touchpanel can be installed using the four tapped holes
in the mounting plate. Refer to the latest revision of the
TPS-4L Operations Guide (Doc. 6449) or the TPMC-4L Operations
Guide (Doc. 6450) for details.
Further Inquiries
If you cannot locate specific information or have questions after reviewing this
guide, please take advantage of Crestron's award winning customer service team by
calling the Crestron corporate headquarters at 1-888-CRESTRON [1-888-273-7876].
For assistance in your local time zone, refer to the Crestron website
(www.crestron.com) for a listing of Crestron worldwide offices.
Future Updates
You can also log onto the online help section of the Crestron website to ask
questions about Crestron products. First-time users will need to establish a user
account to fully benefit from all available features.
As of the date of manufacture, the MMK-4L and WMKM-4L have been tested and
found to comply with specifications for CE marking.
As Crestron adds improvements to the MMK-4L or WMKM-4L, additional
information may be made available as manual updates. These updates are solely
electronic and serve as intermediary supplements prior to the release of a complete
technical documentation revision.
Check the Crestron website periodically for manual update availability and its
relevance. Updates are identified as an “Addendum” in the Download column.
• Mud Mount Kits: MMK-4L & WMKM-4L Installation Guide – DOC. 6389
8
Crestron MMK-4L & WMKM-4L Mud Mount Kits
Return and Warranty Policies
Merchandise Returns / Repair Service
1. No merchandise may be returned for credit, exchange, or service without prior
authorization from CRESTRON. To obtain warranty service for CRESTRON products,
contact the factory and request an RMA (Return Merchandise Authorization) number.
Enclose a note specifying the nature of the problem, name and phone number of contact
person, RMA number, and return address.
2. Products may be returned for credit, exchange, or service with a CRESTRON Return
Merchandise Authorization (RMA) number. Authorized returns must be shipped freight
prepaid to CRESTRON, 6 Volvo Drive, Rockleigh, N.J.,07647 or its authorized
subsidiaries, with RMA number clearly marked on the outside of all cartons. Shipments
arriving freight collect or without an RMA number shall be subject to refusal.
CRESTRON reserves the right in its sole and absolute discretion to charge a 15%
restocking fee, plus shipping costs, on any products returned with an RMA.
3. Return freight charges following repair of items under warranty shall be paid by
CRESTRON, shipping by standard ground carrier. In the event repairs are found to be
non-warranty, return freight costs shall be paid by the purchaser.
CRESTRON Limited Warranty
CRESTRON ELECTRONICS, Inc. warrants its products to be free from manufacturing defects in
materials and workmanship under normal use for a period of three (3) years from the date of
purchase from CRESTRON, with the following exceptions: disk drives and any other moving or
rotating mechanical parts, pan/tilt heads and power supplies are covered for a period of one (1)
year; touchscreen display and overlay components are covered for 90 days; batteries and
incandescent lamps are not covered.
This warranty extends to products purchased directly from CRESTRON or an authorized
CRESTRON dealer. Purchasers should inquire of the dealer regarding the nature and extent of the
dealer's warranty, if any.
CRESTRON shall not be liable to honor the terms of this warranty if the product has been used in
any application other than that for which it was intended, or if it has been subjected to misuse,
accidental damage, modification, or improper installation procedures. Furthermore, this warranty
does not cover any product that has had the serial number altered, defaced, or removed.
This warranty shall be the sole and exclusive remedy to the original purchaser. In no event shall
CRESTRON be liable for incidental or consequential damages of any kind (property or economic
damages inclusive) arising from the sale or use of this equipment. CRESTRON is not liable for
any claim made by a third party or made by the purchaser for a third party.
CRESTRON shall, at its option, repair or replace any product found defective, without charge for
parts or labor. Repaired or replaced equipment and parts supplied under this warranty shall be
covered only by the unexpired portion of the warranty.
Except as expressly set forth in this warranty, CRESTRON makes no other warranties, expressed
or implied, nor authorizes any other party to offer any warranty, including any implied warranties
of merchantability or fitness for a particular purpose. Any implied warranties that may be imposed
by law are limited to the terms of this limited warranty. This warranty statement supercedes all
previous warranties.
Trademark Information
All brand names, product names, and trademarks are the sole property of their respective owners. Windows is a registered
trademark of Microsoft Corporation. Windows95/98/Me/XP and WindowsNT/2000 are trademarks of Microsoft
Corporation.
Installation Guide – DOC. 6389 Mud Mount Kits: MMK-4L & WMKM-4L
• 9
Crestron Electronics, Inc. Installation Guide – DOC. 6389
15 Volvo Drive Rockleigh, NJ 07647 (2013261)
Tel: 888.CRESTRON 12.05
Fax: 201.767.7576 Specifications subject to
www.crestron.com change without notice.
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