Crestron ZUMMESH-JBOX-FMKT-CP User manual

The Crestron® ZUMMESH-JBOX-FMKT-CP is an air-tight, Chicago
Plenum compliant enclosure that is designed to secure a Zūm® wireless J-
Box device. The enclosure has an integrated divider that separates Class 1
and Class 2 wiring and provides a 1/2 in. knockout to secure the Zūm J-
Box device.
In the Box
1 ZUMMESH-JBOX-FMKT-CP, Chicago Plenum Enclosure for
Zūm® Wireless J-Box Devices
Additional Items
1 Plastic Cover, Box, Chicago Plenum, 7 in. x 7 in. (2053337)
2 Washer, Lock, #8 (2007673)
4 Screw, 08-32 x 1/2 in., Undercut Head, Flat, Phillips, Zinc
Plated, Steel, White (2053996)
Install the ZUMMESH-JBOX-FMKT-
CP
NOTE:The ZUMMESH-JBOX-FMKT-CP must be installed in accordance
with Chicago Electric Code articles 300.11 (A) and 300.11 (B).
To install the ZUMMESH-JBOX-FMKT-CP, the enclosure must be
mounted in the plenum space, the Zūm J-Box device must be secured in
the enclosure and properly wired, and the plastic cover must be installed.
Secure the Enclosure in the Chicago Plenum
Secure the enclosure to a stud, rigid conduit, or threaded rod. Dimples are
placed on the bottom of the enclosure to prevent drill bits from walking
when drilling holes in the enclosure.
The opening of the enclosure must be located in the room, outside of the
plenum space.
NOTE: The enclosure must be mounted so that the open edge of the box
is flush to the drop ceiling panel on the room side or protruding slightly
into the room.
Install the Zūm J-Box Device in the Enclosure
A metal divider with a 1/2in.knockout is used to secure the Zūm J-Box
device in the enclosure.
NOTE: The metal divider is welded in place and must not be removed
under any circumstance.
1. Insert the wires and threaded plastic of the Zūm J-Box device through
the 1/2in.knockout in the metal divider.
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ZUMMESH-JBOX-FMKT-CP
Chicago Plenum Enclosure for Zūm® Wireless J-Box Devices

2. Secure the Zūm J-Box device to the metal divider with a 1/2in.lock nut
(supplied with the Zūm J-Box device). For optimal wireless
communication, orient the Zūm J-Box device as indicated below.
a. When a ZUMMESH-NETBRIDGE is used, the J-Box device must be
oriented with the ZUMMESH-NETBRIDGE towards the opening of
the enclosure.
b. When ZUMMESH-NETBRIDGE is not used, the J-Box device must
be oriented with the SET and TEST buttons away from the opening
in the enclosure.
Install a Zūm J-Box device with a ZUMMESH-NETBRIDGE
Install a Zūm J-Box device without a ZUMMESH-NETBRIDGE
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ZUMMESH-JBOX-FMKT-CP QuickStart
Chicago Plenum Enclosure for Zūm® Wireless J-Box Devices

Wire the Zūm J-Box Device
NOTES:
lOnly knock out the opening intended for use in the installation.
lPartially knocking out any opening will cause the box to no longer be
Chicago Plenum rated.
1. Connect Chicago plenum rated fixture whip or metal conduit to the
Class 1 side of the enclosure. To facilitate wiring, five push-back style,
air-tight knockouts are provided on the Class 1 side of the enclosure;
two 3/4in.knockouts and three 1/2in.knockouts.
2. Wire the Zūm J-Box device as described in its Quick Start that is
located at www.crestron.com/manuals. The illustration that follows is
for reference only.
NOTE: If necessary, make Class 2 connections between the Zūm
J-Box device and other low-voltage devices. To facilitate wiring, ten
push-back style, air-tight knockouts are provided on the Class 2 side
of the enclosure; six3/4in.knockouts and four 1/2in.knockouts.
3. Connect the ground wire to the ground tab on the divider in the
enclosure.
NOTE: The electrical box as well as the equipment installed in the box
must be grounded using the included #8grounding lock washer,
#8-32,3/8 in.grounding screw, and 18AWG(minimum) wire that has
been terminated with an appropriate ring terminal.
Wire the Zūm J-Box Device - Example
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ZUMMESH-JBOX-FMKT-CP QuickStart
Chicago Plenum Enclosure for Zūm® Wireless J-Box Devices

Secure the Plastic Cover
Use the plastic cover (supplied) to maintain a strong RF signal between
wireless devices. Secure the plastic cover to the enclosure using the
provided screws.
NOTE: The cover protrudes 1/8in.(3mm) from the surface of the
ceiling.
Visit the Product Page
Scan the QR code to visit the product page.
ZUMMESH-JBOX-FMKT-CP
www.crestron.com/model/6510918
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Chicago Plenum Enclosure for Zūm® Wireless J-Box Devices

Additional Information
Original Instructions
The U.S. English version of this document is the original instructions.
All other languages are a translation of the original instructions.
Crestron product development software is licensed to Crestron dealers and Crestron
Service Providers (CSPs) under a limited nonexclusive, nontransferable Software
Development Tools License Agreement. Crestron product operating system software is
licensed to Crestron dealers, CSPs, and end-users under a separate End-User License
Agreement. Both of these Agreements can be found on the Crestron website at
www.crestron.com/legal/software_license_agreement.
The product warranty can be found at www.crestron.com/warranty.
The specific patents that cover Crestron products are listed at
www.crestron.com/legal/patents.
Certain Crestron products contain open source software. For specific information, visit
www.crestron.com/opensource.
Crestron, the Crestron logo, and Zūm are either trademarks or registered trademarks of
Crestron Electronics, Inc. in the United States and/or other countries. Other trademarks,
registered trademarks, and trade names may be used in this document to refer to either
the entities claiming the marks and names or their products. Crestron disclaims any
proprietary interest in the marks and names of others. Crestron is not responsible for
errors in typography or photography.
©2020 Crestron Electronics, Inc.
Doc. 8461C
08/10/20
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ZUMMESH-JBOX-FMKT-CP QuickStart
Chicago Plenum Enclosure for Zūm® Wireless J-Box Devices