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EC 4-432E 3/95

DIGITAL HUMIDITY

CONTROLLER

with two outputs

EC 4-432

GENERAL CHARACTERISTICS

* Size: 48 x 48 mm.

* 230 Vac power-supply (standard)

* Custom configuration through keyboard or Personal

Computer (on request)

* Configuration parameters accessible through Password

* Three digits display, height: 12,5mm.

* Indication of humidity with decimal point

* Configurable regulator with 2 absolute Setpoints,

one absolute and one relative, dead zone

* Two relays output (8A at 230 Vac)

* Two widely configurable humidity-alarms

* Setpoints locking facility

EC 4-432, a digital two outputs humidity controller, thanks to the technological solutions, offers an easy flexibility of

use in a small size box.

The instrument has been designed to work with current output 0-20 mA or 4-20 mA 2 or 3 wires humidity transducers

(for example EC UMD 00 and EC UMD 01 manufactured by Every Control) and can provide to the power-supply as long

as they are abled to work inside a range of supply-voltage between 9 an 20 V.

The SPDT relays (output 1 and 2), can manage (up to) 8A loads to 230 Vac and are supplied in standard version; as

option, it is possible to request the outputs with low-voltage signal, suitable to drive the SSR modules (solid state

relay).

The regulator can be configured, trough a parameter modifiable by the user, in three different ways of working:

with Setpoint 1 absolute, and Setpoint 2 relative to the first;

with two absolute indipendent Setpoints;

in this two cases each output can be easily programmed for "humidify" functioning (reverse) or for "dehumidify" (direct);

with "dead zone functioning"; in this case the output 1 intervenes every time the relative humidity goes over the

Setpoint plus the dead zone value; while output 2 does it every time the relative humidity goes under the Setpoint

minus the dead zone value: this way of functioning finds wide application in conditioning systems.

Besides that, trough some parameters programming, it is possible to submit the outputs activation to a series of delays,

in order to guarantee a proper use of the connected load.

Failure of functioning, defective probe, corrupted memory-data or probe-signal outside the limits are indicated by the

flashing display, in order to catch user's attention.

The instrument is provided of two humidity alarms, that can be disabled, each of them is configurable in six different

ways of working; the intervention of each alarm determines the displaying of the indication "AL 1" (or "AL 2") alternated

with the measured relative humidity value.

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EC 4-432 1

Summary of Contents

Page 1 - EC 4-432

1EC 4-432E 3/95DIGITAL HUMIDITYCONTROLLERwith two outputsEC 4-432GENERAL CHARACTERISTICS* Size: 48 x 48 mm.* 230 Vac power-supply (standard)* Custom

Page 2

2EC 4-432E 3/95MOUNTINGFor a proper mounting, take note of the attached indications; be sure that the conditions of use (voltage of power-supply, envi

Page 3

3EC 4-432E 3/95CONFIGURATION PARAMETERSCODE PARAMETER DESCRIPTION MIN MAX U.M. ST–/0 REGULATOR SELECTION 1=1 absolute and 1 relative setpoint; 0

Page 4

4EC 4-432E 3/95EVERY CONTROL srl - Via Mezzaterra 6 - 32036 Sedico - BELLUNO - ITALYTel 39 437/852468 (3 linee r.a.) - FAX 39 437/83648MOUNTING- W

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Evco EC4432 User Manual

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