Carel Clima User Manual download pdf (Page 17)

ENG

clima +030220641 - rel. 1.3 - 18.04.2013

Control the outputs via RS485 serial connection

The status of the analogue output and the relays on the instrument can

be controlled via a serial connection to a supervisor.

The variables are read only if LIn=no, or read/write if LIn=yES

The variables are described in the table of supervisor variables and must

be used according to the current mode (T, T2, T2A,...), the status on the

LCD automatically shows the outputs.

Important: This function, if enabled, completely replaces the

control performed by the instrument. In this operating mode,

together with the outputs, the symbols displaying the operating status of

the instrument are also activated according to the current mode.

Note: If the instrument is not queried for more than two minutes,

“override” mode is disabled:

• all the outputs are disabled;

• the no link error (ELn) is signalled on the display

code description of the parameter range def. UOM

LIn

Enabling this parameter allows the outputs to be controlled directly via the serial connection.

no: The function is disabled. yES: The function is enabled.

no, yES no -

Tab. 4.k

Control cooling/heating mode via RS485 serial

connection

This function allows the operating mode, cooling/heating, to be selected

by parameter (including via serial connection), rather than on the

dipswitches. If the function is enabled, the dipswitch setting is ignored

and the operating mode is de ned using parameter EI.

code description of the parameter range def. UOM

Control cooling/heating operating mode

Enables the possibility to de ne the operating mode, cooling/heating, by parameter rather than by DIP 4.

dIS: Parameter EI is disabled, cooling/heating mode is selected by DIP 4 on the rear.

En: Parameter EI is enabled, cooling/heating mode is selected by parameter EI.

dIS, En dIS -

Programming operation cooling heating

Select cooling/heating operation

Selects the mode, cooling or heating. This parameter is only active if this mode is enabled by the previous

parameter.

E: The instrument works in cooling mode

I: The instrument works in heating mode

E, I E -

Tab. 4.l

Remote temperature/humidity sensor

For the models without the humidity sensor already installed, a remote

sensor for ducts (temperature + humidity) can be connected, up to a

maximum distance of 3 m.

The sensor is purchased separately, code ADCF006500 which includes

the wired cable in the maximum available length (3 m).

The remote temperature/humidity sensor can be installed on all ADCA***

codes.

Note: The remote temperature/humidity sensor cannot be

connected to controller codes ADCF*** and ADCD*** that already

have a built-in humidity sensor, as this would cause the temperature and

humidity measurements to freeze.

To retro t a clima model ADCF*** or ADCD*** already installed with a

remote sensor, open the controller and remove the plug-in card with the

temperature/humidity sensor from the PCB, as shown in the  gure.

J2 = external probe T+H - ADCF006500

Internal probe

to move away

J1 for serial option

or programming

key

FLAT Front-Rear

Dip-switches

Fig. 4.k

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 39 40

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Carel Clima User Manual Page 17

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