Biddle CA2 Manual do Utilizador descarregar pdf (Página 5)

Control and operation

Electronic control system

Model CA

with water coil has as a standard an integrated air and water control unit

and a motor-controlled three-way valve installed. The valve is operated by the

electronic control system in the unit. In air curtains with an electric heat exchanger

the energy supply to the heat exchanger is determined by an electric power control.

The operating system of the air curtain consists of the control panel and a

printed circuit board. The in- and outputs of the printed circuit board are connected

to a connector plate at the top of the unit, which facilitates the connection of

peripheral devices. The connector plate has six connections: to two of these the

control panel and any extra units can be connected. Besides, there are two outputs

(max.24Volt)thatcanbeusedforoperatingtheboilerormonitoringdefects.

The last connections are for the outside air sensor, which is needed for the CHIPS-

control and for, for instance, a door contact switch, room thermostat or a signal from

a building management system.

control panel

The control panel is connected to the unit using a low voltage cable with telephone

plugs(RJ11).Thecontrolpanelhasoneconnectionforanincomingsignalforan

external on/off signal or for an additional temperature sensor. With one control panel

a maximum of ten air curtains can be operated. At the bottom of the panel there is a

USBconnectionthatcanbeusedtoloadsoftwareandtodownloadusers’settings.

The air curtain can be operated automatically or manually:

• Automatic

The CA

air curtain operates as a standard with the fully automatic control. In this

position the strength and temperature of the air stream are automatically adjusted

to the climatological conditions in accordance with the CHIPS-control(seepage9).

Personal settings

In the automatic position it is possible to enter personal settings in order to adjust

the operation of the air curtain to a specific situation. For instance, with an automatic

door it is possible to let the air curtain react fast or slowly, depending of the door

use, with the help of a door contact switch. It is also possible to keep the noise level

at a convenient level by not letting the air curtain operate in the maximum position.

• Manual

With this manual setting there are six positions to choose from to overrule the

automatic operation temporarily when the situation asks for it. To be assured of

the best possible climate separation the manual setting should be adjusted to

circumstances several times a day.

Toachieveaperfectclimateseparationandgoodcomfortataminimumuseof

energy,BiddleadvisestousethefullyautomaticCHIPS-control.

The control panel has the

followingdimensions:11.5x9x2.8cm

(hxwxd).

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