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Air Vent Inc. OptimAir M Series Maintenance And Installation Manual

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OptimAir

105-07-17

Airvent reserves the right to change specications.

www.airvent.eu

OptimAir

Maintenance and installation

guide

Active chilled beam

Description

The OptimAir is a two-way induction type active chilled beam,

integrated in false ceilings. OptimAir is primarily designed to

ventilate, cool and/or heat buildings, where a comfortable

climate and individual room control is needed. OptimAir is

now available with two plenum box options for a medium

(M) or a medium-large (ML) airow. We also oer two heat

exchanger options to best suit the cooling and/or heating

demand of the air-conditioned zone. OptimAir is designed to

t most types of suspended ceiling frameworks on the market

with a standard width of 600 mm.

Air duct connection: OptimAir M and ML are available with

with either one or two air duct connections on the side of the

chilled beam. The suggested air duct quantity and dimension

depends on the length, primary airow and pressure of the

selected chilled beam.

Function

The primary air from the supply air system is connected to

the plenum box and distributed through specially shaped

nozzles. As the air is discharged through the nozzles, the high

velocity air jets above the coil create a low-pressure zone. This

low-pressure zone draws ambient room air through the coil,

and as it passes the coil ns it is conditioned (cooling - heat-

ing), according to the water temperature owing through the

coil. The conditioned air then mixes with the air jets (venti-

lation air, humidity control) before it is discharged back into

the occupied space. The conditioned/mixed air discharged

along the ceiling provides an optimal Coanda eect which is

always the objective when the occupied zone requires low air

velocities.

Variable nozzles

As standard, OptimAir is supplied with variable nozzles. This

is a unique, elegant and exible feature, which simplies

the adjustment of the nozzle positions on either side of the

plenum box to set the required airow without modifying

the primary air pressure. With the use of an Allen wrench the

airow can be adjusted in ve steps on each side of the chilled

beam, by covering and uncovering the nozzles. This mechan-

ical solution features some very clever engineering, and was

designed to stand the test of time. The requested airow can

be selected in our selection software, and is factory pre-set

and can also easily be changed on-site.