Chilled Beam Design Guide - TROX

Multi-Service Chilled Beams
Multi-service (or integrated) chilled beams incorporate
other space services into the linear enclosures associated
with the chilled beams. This allows fitting of the selected
services to the beams within the factory and delivery
of elements that house all of these services to the
job site in a “just-in-time” fashion. Upon arrival, these
devices are hung, attached in a linear fashion and modular
connections facilitate the installation of the various
service systems.
Figure 12 below illustrates an active multi-service beam
and the services that can be easily integrated with it.
The core of this device is a DID302 active chilled beam
which incorporates a primary air duct (and plenum) a
chilled water coil as well as inlet (perforated face) and
discharge (linear slot) air passages. The outer frame of
the device is designed to provide mounting surfaces
and provisions for other services which are installed at
the factory prior to shipment to the job site. Some of the
services that can be integrated include:
1. Lighting fixtures and controls
2. Speakers
3. Occupancy sensors
4. Smoke detectors
In addition, the outer frame is often customized to provide
a visual appeal that is consistent with the architecture
of the space in which it is mounted.
Multi-service chilled beams can be provided as either
active or passive versions. In cases where passive
beams are used, a separate air distribution system must
be provided. Oftentimes this air supply utilizes the cavity
beneath a raised access flooring system as a supply
plenum and is referred to as Underfloor Air Distribution.
The service fixtures provided with multi-service beams
are usually provided by others and issued tom the factory
for mounting and connection where possible. Upon
completion, the beams are shipped to the job site for
mounting and final connection.
Lighting provided with these beams may be direct, indirect
or both. In all cases, the lighting system designer
should be consulted to assure that the beam design and
placement also provides sufficient space lighting. Fire
protection designers should also be consulted in order
to assure that the placement of the beams does not
conflict with that of the fire sprinklers.
Figure 12: Multi-service Chilled Beams
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