1
User manual
ALFANET 53
Alarm thermostat.
(With and without buzzer)
VDH doc. 080334
Versie: v1.0
Datum: 06-03-2008
Software: ALFA(NET)53
File: Do080334.WPD
Bereik: -50/+50,0
C
* Installation.
On the connection diagram of the
ALFANET 53
is shown how the sensors, power supply and
relays has to be connected. After connecting the
ALFANET 53
to the power supply, a self test
function is started. As this test is finished, the measured temperature will appear on the display.
* Control.
The
ALFANET 53
thermostat can be controlled by four pushbuttons on the front These keys are:
SET
- view / change set point and reset the alarm
(UP)
- increase the set point.
(DOWN)
- decrease the set point.
MODE
- relays status key.
* Viewing setpoints.
Viewing
Maximum alarm
set point:
By pushing the
SET
key simultaneously with the
UP
key, the adjusted maximum alarm set point
will be shown.
Viewing
Minimum alarm
set point:
By pushing the
SET
key simultaneously with the
DOWN
key, the adjusted maximum alarm set
point will be shown.
A few seconds after releasing the
SET
key the set point disappears and the measured
temperature will be visible again.
* Changing the set points.
Push the
SET
key simultaneously with the
UP
or
DOWN
key till the maximum alarm set point or the
minimum alarm set point appears. Release the
SET
key.
Push the
SET
key again and now the set point can be changed with the
UP
or
DOWN
key. A few
seconds after releasing the keys measured temperature will be visible again.
* Status of the Relays.
By pushing the
MODE
key the display shows the status of the relays. Each digit shows the status
of one relay output, showing 0=off and 1=on. The code 110 means relay 1 and 2 are on and relay
3 is off.
Содержание ALFANET 53
Страница 4: ...4 Dimensions Connections...
