EVCO EC3102 User Manual

Page 4

Operating instructions - Version 1.00 of April the sixteenth 2002 - File ec3102e_v1.00.pdf - PT

EXAMPLE OF FUNCTIONING

INSTALLATION

For a proper installation, take note of the attached indications; be sure that the conditions of use (environment temperature, humidity, power supply

voltage) are inside the indicated limits; do not overload the relay outputs keep inside the indicated limits.

WARNING: the instrument is not protected from overloads; so it is necessary to give the outputs the suitable protections.
Besides that, according to the source of power supply, find a protection able to limit the quantity of current absorbed by the device in case

of failure.

ALARMS

"E:2" flashing on the display and buzzer beeping intermittent (corrupted memory data alarm) indicate the failure of the memorised configuration data:

try to switch the power supply off and then switch it on; if to the restart the alarm condition does not disappear it is necessary to change the instrument
(all the outputs are deactivated).

PARAMETERS CONFIGURATION

The configuration parameters programming can be done during the status "Status 0" only, if there is not a corrupted memory data alarm.

Programming procedure for the parameters "t11", "t20" and "t24"

A) Keep pushed

and

at the same time for 4 seconds at least: on the display appear "t 0".

B) Push

to select the parameter to modify.

C) Push and release

the most important side of the display flashes;

operate with

within 4 seconds since the first pressure on

to modify its value.

D) Push and release for a second time

during the flashing of the most important side of the display: since now
the least important side of the display flashes;

operate with

within 4 seconds since the second pressure on

to modify its value.

E) After the modify push and release for a third time

or wait 4 seconds without operate on the keys (time-out exit).

Programming procedure for all other parameters

Follow the procedure described in A and B and
F) Push and release

to display the actual value of the selected parameter.

G) Push

within 4 seconds since the pressure on

to modify its value.

H) After the modify push and release

or wait 4 seconds without operate on the keys (time-out exit).

How to leave the programming procedure

Keep pushed

and

at the same time for 4 seconds at least or wait 50 seconds without operate
on the keys (time-out exit).