ZUMMESH-CCO
Zūm™ Contact Closure Output
Installation Guide
Wiring
Connect the ZUMMESH-CCO to the HVAC system.
Additional Resources
Visit the product page on the Crestron website (www.crestron.com)
for additional information. Use a QR reader application on your
mobile device to scan the QR image.
To HVAC system
Normally open contact
Common terminal
Normally closed contact
N.O.
N.C.
COM
NOTE: When making connections from the ZUMMESH-CCO to the HVAC system, use
Class 2 wiring only.
Description
The Crestron®ZUMMESH-CCO is a contact closure output that enables an HVAC system
when a room is occupied. The contact closure output attaches to a ZUMMESH-JBOX
device (e.g., ZUMMESH-JBOX-5A-LV or ZUMMESH-JBOX-20A-SW, sold separately) so
that it can be connected to an HVAC system.
The relay closes when the room is occupied and opens when the room is vacant. The
green LED lights when the relay is closed (i.e., the room is occupied) and turns off when
the relay is open (i.e., the room is vacant).
The relay rating is 1 A, 30 Vdc/24 Vac.
NOTE: The ZUMMESH-CCO activates the HVAC system when a vacancy sensor
(ZUMMESH-PIR-VACANCY-BATT) is used.
A basic single-room Zūm system consists of Zūm mesh devices, e.g., dimmers, switches,
keypads, and sensors. The Zūm mesh devices in the room communicate directly with
each other without the need for a centralized gateway or processor.
inNET EX logo only needed for inNET
EX products. The mere mention of
inNET EX in a document is not cause to
use the logo.
Installation
WARNING: To avoid re, shock, or death, turn off the power at the circuit breaker or
fuse and test that the power is off before wiring!
NOTE: Install and use this product in accordance with appropriate electrical codes and
regulations.
NOTE: This meets the requirements of UL®standard 2043 for installation in an
environmental air-handling (plenum) space.
Mount the ZUMMESH-CCO to any ZUMMESH-JBOX device.
1. Use a at-head screwdriver to remove the cover on the ZUMMESH-JBOX device.
Insert the at-head screwdriver into the slot next to the cover and pry up to remove
the cover.
2. Align the ports on the ZUMMESH-CCO and the ZUMMESH-JBOX device, and then
insert the network bridge into the ZUMMESH-JBOX device. The network bridge
snaps into place.
Neutral (white)
Hot (black)
100-277 Vac power
from breaker
Remove the ZUMMESH-CCO.
1. Place your thumb on the side of the ZUMMESH-CCO that is nearest the J-box.
2. Press the ZUMMESH-CCO away from the J-box. While pressing on the side of the
ZUMMESH-CCO, slightly lift your thumb up. The ZUMMESH-CCO should easily
detach from the J-box device.
