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Contents

New Wave in Climate Separation

Technology

What is Invisidor? 1

Why Invisidor CA2? 1

What Makes an Effective

Air Curtain

Patented Rectifier 2

Discharge Velocity 2

Air Volume 3

Discharge Temperature 3

Automatic Control 3

CDF Software for Air Curtains

Applications

Air Curtain Selection 5-6

Technical & Performance

Specifications

7-10

Dimensional Drawings 11-12

Hanging Brackets 13

The Biddle Guide to CA2

Control Options

14-16

Circular Doorways 17

Installation & Maintenance 17

Materials, Components &

Specifications

New Wave in Climate Separation

Technology

What is Invisidor?

Invisidor CA air curtains are the ideal solution for retailers and consultants to

combat the issue of climate separation across their outlet or office building

doorway. Using a combination of rectifier technology, air velocity and temperature

control they deliver greater comfort to staff and customers alike, all year round,

in all weathers.

Managers of retail and commercial outlets know the importance of accessibility

for their customers. They also know that with this free form of access through

‘open door’ trading, comes the issue of cold draughts and high-energy bills. Now

Invisidor technology has been improved to deliver greater comfort for all, whether

it is in a supermarket, high street store or office building.

The Invisidor CA air curtain, does not act as a barrier in the place of a door, its

prime role is to reduce the amount of warm air leaving the building and condition

the incoming air to a comfortable temperature. BSRIA and Biddle research

produced documented evidence proving that air curtains operate best with

specific velocities and air volumes. The Invisidor CA air curtain satisfies these

needs by delivering the right air flow and temperature at the right time, reducing

energy loss. It is the only commercially available air curtain of its kind that now

offers a unique damper mechanism to improve efficiency, by controlling the

outlet velocity.

Why Invisidor CA2?

The new CA2 air curtain is the next generation of CA air curtains, incorporating new

ener

gy sa

ving technologies and a touc

h screen control panel.

The increased use of condensing boilers has necessitated a revised coil design to

ensure heat output is maintained despite the lower water temperatures. The key

principle is that the maximum discharge temperature is limited to 50°C, and this

can easily be provided with any water flow temperature above 70°C. There is a

small compromise on heat output on the maximum strength as water flow

temperatures approach 60°C, but on strengths 1-5 the outputs can generally be

maintained.

The integ

al 3-port v

alve controls the discharge temperature to assist

in creating optimum comfort and efficiency.

Knowing that manual control of air curtains often leads to the incorrect setting the

inclusion of the energy saving self-regulating CHIPS technology ensures the most

appropriate setting at any moment in time

This automatic control has been

demonstr

ated to produce ener

gy sa

ving savings of up to 75% when compared with

a manual controlled air curtain.

The new b-touch control panel enables the installer and user to intuitively navigate

various menus, and set-up the CA2 air curtain for either automatic CHIPS or

manual control. Once the simple set-up procedure has been completed the

automatic CHIPS control renders manual operation superfluous.

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