Biddle CA2 Manual do Utilizador descarregar pdf (Página 7)

airdisplacement(m

/h)

too little

efficiency

* The CHIPS-technologyguarantees

alwaysahighefficiency(seepage8

and 9).

WithCA-technology

WithoutCA-technology

CHIPS-technology*

too muchsufficient

2. CA- technology for the correct outlet

width

The strength of an air curtain is determined by the air speed and the outlet width,

which are effected by the CA technology. CA stands for Controlled Air strength -

Technology.

Model CA

has six different speeds each having its own outlet width. As soon as the

air curtain is put into a higher speed, the outlet width is automatically adjusted to the

climatologic situation around the door entrance. The air volume and the air speed are

increased as far as necessary. The air does not collide with the floor and so the heat

is solely used to heat the incoming cold air. This results in more indoor comfort and

in saving energy.

Optimum operation air curtain

Advantages rectifier- and CA-technology

- climate separation efficiency of over 90 %

- heat supply benefits the indoor space

- very energy-efficient

- optimum indoor comfort in any circumstance or weather conditions

Low fan speed

High fan speed

Figure3:

1. Open door without an air curtain: large waste of energy as hot air inside escapes

through the open door.

2. Open door with weak air curtain: air velocity too low; large waste of energy as hot

air inside escapes through the open door.

3. Open door with Biddle air curtain: optimal climate separation, hot air will be used for

heating indoor space.

4. Open door with too strong air curtain: much turbulence, air stream hits the floor,

large waste of energy and heat.

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Biddle CA2 Manual do Utilizador Página 7