Soler & Palau UTBS PRO-REG ECOWATT Handleiding (96 Pagina's)

Handleiding

56

11.7. MIXING MODULE CONTROL (3 WAYS)

If it exists a mixing module instalated, it is necessary to specify the control type that it want

to perform on it. It is possible to select between 3 control modes:

11.7.1. Without mixing module

Factory conﬁ gurated by default, option for equipment installations

100% outside air or 100% indoor air.

11.7.2. CO

2

control

The management of the dampers depends on the quality of indoor air

(it is necessary to install CO

2

sensor). When the air quality is low (high

level of CO

2

), the system gives priority to the entrance of outside air.

As the CO

2

level approaches to the introduced value as setpoint, it is

closing the outside air damper, at the same time that opening the re-

circulated air.

11.7.3. Temperature control

The management of the dampers depends only on the existing thermal

demand at all times and temperature of outside and return air.

The PRO-REG controller manages the opening/closing of the dampers

to obtain maximum energy savings, without consider the air quality

provided in the local. (Attention: With this operating mode exists risks

to obtain a low quality indoor air.)

11.7.4. CO

2

control and temperature

The position of the dampers is done by simultaneous analysis of thermal

demand and air quality (signal from the CO

2

). The controller tries to res-

pond to the request of maintain the indoor air quality (ppm CO

2

) limiting

at the same time the supply temperature.

11.8. CONTROL OF ISOLATION DAMPER

In the case of use the isolation damper, it is not necessary to perform an speciﬁ c conﬁ gu-

ration nor enable the functionability in the unit. It is only necessary to install the dampers

and wiring, as indicated in the MIXING DAMPER INSTALLATION section.

When you start the unit the damper will open. To stop the unit, it will stop.

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