2 - Product Description/Installation Preparation
4
2.1 Product overview
Chilled beams are ceiling mounted heat exchangers. Primary air is
introduced into the active chilled beam through induction nozzles.
This series of nozzles induces room air into the chilled beam and
across its water coil where the room air is either cooled or heated.
The now cooled or heated room air is mixed with the primary air and
discharged back into the space to control the room temperature.
TROX DID301 and DID302 active chilled beams should be installed
in the quantities, sizes and configurations shown on the project
plans and schedules.
2.2 Construction description
The assembly (figure 1) of the DID301 and DID302 consists of:
(1) sliding hanging brackets (7) face retention bolts
(2) primary air chamber (8) side or top primary air inlet
(3) casing (9) mixing chamber
(4) discharge nozzles (10) condensate drip tray
(5) coils (11) one (DID301) or two
(6) removeable inner border (DID302) discharge slots
on front face assembly
2.3 Application precautions
2.4
Preparation for installation
1.) Chilled beam unit (figure 2) delivered by TROX USA with:
Round primary air connection
Primary air chamber
Water connections
Induction grille
4 to 6 sliding hanging brackets
2.)
Installer to provide (according to all applicable building
codes):
• A suspension system (including all hardware) for mounting the
chilled beam
• Flexible duct (recommended) or sheet metal duct for air
connection
• Primary air volume control damper (can be provided by TROX)
• Flexible hoses (recommended) for water connections from
assembly to the supply and return water circuits (unless factory
furnished flexible hoses are included with product order) or hard
connections.
3.)
Precautions:
DID301-302 Installation, Operation & Maintenance Manual (USA) (06/2015)
Important!
Installation is to be performed by properly trained
and authorized personnel only! Read all instructions
before beginning installation.
!
2’ Unit
24 lbs
25 lbs
4’ Unit
48 lbs
51 lbs
6’ Unit
72 lbs
76 lbs
8’ Unit
96 lbs
101 lbs
10’ Unit
120 lbs
127 lbs
Chilled Beam
Length
Chilled Beam
Weight
Chilled Beam weight
w/ fully charged coil
1
2
3
4
9
5
6
11
Figure 1
8
7
10
Figure 2
Condensate drip trays (optional) are located beneath the heat
exchangers to collect any condensate resulting from under-
shooting the dew point temperature in the cooling mode.
Long-term operation below the dew point (wet operation) must
be avoided.
The primary air delivered to the space must be of sufficient
quantity, temperature and dryness to ensure the room dew
point temperature is maintained above the temperature of the
chilled water supplied to the beam. The recommended chilled
water supply temperature should be at least 1°F above the
room dew point temperature.
Note
DID301 and DID302 active chilled beams provide
sensible cooling only and cannot be used to do latent
cooling.
Important!
Wear eye protection and gloves during installation.
Product includes sharp edges and burrs.
!
Product is heavy!
Machinery recommended for movement and instal-
lation of beams. Refer to table below for unit weights
and use caution when removing from packaging.
Chilled beam should be placed on the ground with
perforated induction grille (see figure 2) facing up!