EXPERTS IN FIELD CONTROLS©2012 Sontay Limited. All rights reserved. E & OEInformation is subject to change without notice.

Chilled Beams

Advantages of Chilled Beams

During the last decade, the technology for chilled beams has been refined and improved and has been more widely applied.

As well as reducing energy consumption, chilled beams improve comfort

levels by lowering the potential for draughts and cutting out the intrusive

noise and aesthetic problems associated with more conventional solutions,

such as mechanical ventilation and air conditioning. The fact that chilled

beams are water-based systems makes them environmentally attractive, and

because they are unobtrusive installations, they free up more valuable office

space for occupation and use.

Chilled beams and chilled ceilings are

not appropriate for every building

project, but there are a number of

applications where they are ideal

• Commercial office developments

• Hotels

• Hospitals

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NEWENHANCED

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. . . experts in f ield controls

During the last decade, the technology for chilled beams has been refined and improved and has been more widely applied.

GS-CO2

CO² Sensors

RH

RH Sensors (with optional dew point output)

WD-CPS

WD-CPS Condensation Detection and Prevention Range

AV

AV Air Velocity Sensor

TT-359

Direct Clamp-on Temperature Sensor

. . . experts in f ield controls

Chilled Beams

During the last decade, the technology for chilled beams has been refined and improved and has been more widely applied.

Ref. Sontay Applications

A AV Air Velocity Sensor

B GS-CO2 CO² Sensors

C RH RH Sensors (optional dew point output)

D TT-359 Direct Clamp-on Temperature Sensor

E WD-CPS-x Condensation Prevention Sensor / Switch & Detection Plate

DETECTION - COMMUNICATION- CONTROL

CO2CO2CO22

Controlling Chilled Beams

Sontay is a market leading manufacturer and distributor of building measurement and control peripherals. The company provides a fast, professional and personal service, supporting businesses with reliable, durable and innovative products. This is backed

by a dedicated Customer Services Team to assist with product advice and technical support. Please visit www.sontay.com

Altering the rate at which air is supplied via an

active chilled beam is one method of controlling the

output, reducing potential over cooling and meeting

CO2 requirements in spaces. Another is to vary

the temperature of the air supplied. Condensation

detectors should be considered to ensure that

condensation does not occur. Also that the total air

supply to the space can deal with the design range

of floor occupation density within the comfort

criteria specified.

Chilled beam and chilled ceiling systems are

typically designed to use the dry cooling principle by

selecting the ventilation rate, supply air conditions

and chilled water flow temperature so that no risk

of condensation exists. The space air dew point

temperature should be around 2°C lower than the

flow temperature of chilled water in the ceiling or

beam system.

The following precautionary control measures can be implemented in the BMS to avoid condensation:

• Space RH is monitored to ensure the chilled

water flow temperature is controlled above

the calculated dew point.

• Condensation sensors can be utilized to shut

off the chilled water supply when condensation

is detected, this is recommended, especially

when windows are openable to external air.

• In the absence of condensation sensors, open-able

windows should be equipped with window switches

that trigger chilled water control valves to shut-off.

Sontay products suitable for use with chilled beams

Sontay Limited · Four Elms Road · Edenbridge · Kent · TN8 6AB

UK Rate +44 (0) 1732 861200 · International +44 (0) 1732 861225

AV Air Velocity Sensors

GS-CO2 CO2 Sensors

TT-359 Direct Clamp-on Temperature Sensor

RH Sensor (optional dew point output)

CHILLED BEAM APPLICATION (WD-cps)

Chilled beam systems can cause indoor rain.

EXPERTS IN FIELD CONTROLS©2012 Sontay Limited. All rights reserved. E & OEInformation is subject to change without notice.

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NEW WD-CPS

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