DIGITAL INPUTS
Directions for entering the
maintenance mode are on page 19.
203GT has three digital inputs. A digital input can be connected
to contact information or pulse information. Contact information can be used
to receive an alarm. Alarms can be labelled using the text editor according
to their cause. Alarms can be transferred to, e.g., A GSM phone as text
messages.
Pulse information can be read, e.g., from a district heating energy meter or
water meter.
Dig1 selection:
Exhaust ½pwr
Home/away
Watr consmp. m3
Alarm Dig 3
PumpI th.relay
Watr consm set
pulse =
l
0
Special mainten.
Rstore settings
Settings
Meas. 6 setting
Meas.11 setting
Dig1 selection
Dig2 selection
Dig3 selection
LON initializ.
Press the
button to move the cursor to Dig 1, Dig 2 or Dig 3 selection .
Press
Press the
button to move the cursor to indicate which information
has been connected to the Dig channel in question. Press
The
character indicates the selection made.
”
”
OK
OK
.
.
Alarm use:
Alarm switch information. When the
switch is closed, an alarm goes off. You can use
the text editor to label the alarm, e.g.
In the event of an
alarm, the regulator sounds the alarm and indicates
on the display from which digital input the alarm
came from. Transferring the alarm to a GSM phone
(see p. 37 - 38).
,
wastewatertank! (see p. 9).
Pulse information from the facility's water
meter:
OK
OK
.
.
Press
Set the number of liters
equivalent to one pulse and press
The
facility's water consumption (Water m3) can be
seen on the regulator's measurements display.
Connection guide:
25
21
23
22
26
24
2 x 0.8
2 x 0.8
2 x 0.8
Dig 3
Dig 2
Dig 1
Pulse information (switch information)
Contact information about the heating
resistor switching on
Geothermal heating unit selector
switch information (automat/start up)
Alarm Dig1(3)
Exhaust ½pwr
Home/away
PumpI th.relay
Watr consmp. m3
Alarm switch information. When the switch is closed, an alarm goes off.
The information is used to lower the heat when the exhaust fan is at ½ speed. The amount
of the drop is given in special maintenance settings. (see p. 30, ½ exhst )
Pump 1 thermal relay switch information. When the switch is closed pump 1 does not run. In
that case regulator gives an alarm.
Pulse information from the facility's water meter
Exhaust fan ½ speed information. When the switch is closed the exhaust fan is at ½ speed.
Away switch information. (switch closed, H1/H2 reduced temperature mode is on).
Explanation:
On the display:
Name change
Alarm Dig1
Give new label
34
