34
ENGLISH
ENGLISH
MONITORING SYSTEM
1
2
3
4
1
CONTROL SYSTEM
The monitoring functions allow the user to enter the operating parameters of the unit.
Operating modes
1. Operating mode keys (MODE)
DESCRIPTION
DISPLAY
When the unit is at a standstill, in the “
waiting to start
” status (stand-by),
LEDs 4 and 5
will be off. The temperature of the water detected by the
probe on the evaporator inlet will appear on the display.
Press the
mode
key for
1 second
to turn on the unit in the
“cool”
mode.
LED 5
will light up on the display.
Press the
mode
key for
1 second
to switch from the “
Cool
” mode to the
“
Heat
” mode (
IP
units only).
LED 4
will light up on the display.
Press the
mode
key again for
1 second
to set the unit back to the “
stand-
by
” status.
2. Turning the unit ON/OFF
The ON-OFF key carries out two distinct functions: if pressed for
1 second
, it acts as an “
alarm reset
”. If depres-
sed for
2 seconds
, it turns the controller “
on-off
”.
DESCRIPTION
DISPLAY
Only
LED 8
will be on when the unit is off.
Press the on/off key for
2 seconds
to power the controller. The tempera-
ture of the water detected by the probe on the evaporator inlet will appear
on the display.
Press the on/off key for
2 seconds
to turn the controlled off again.
2
3
3. MODE + ON/OFF keys
They allow you to access the menu structure and sub-levels if depressed for 1 second, or to quit by working through
them in reverse if depressed for
2 seconds
.
When the
mode + on/off
keys are pressed for the first time, the status identifying
LEDs
start to flash to indicate the
programming phase.
-
Keep the
on/off
and
mode
keys depressed at the same time for
1 second
to switch to a lower display menu.
-
Keep the
on/off
and
mode
keys depressed at the same time for
2 seconds
to switch to a higher display menu.