35
ENGLISH
ENGLISH
MONITORING SYSTEM
4. How to select the operating Set-point
The thermoregulator maintains the temperature of the water at the plate type heat exchanger inlet as near as pos-
sible to the value programmed as SET POINT. The type of regulation made by the controller is the
ON-OFF
type.
Once the ideal operating point has been established (
SET-POINT
), the action carried out by the machine will be to
switch off the compressor once that value has been reached and to power it again, once the
SET-POINT
has been
reached, plus a hysteresis value preset in the factory and which can only be modified by a qualified technician.
KEYS TO PRESS
DESCRIPTION
DISPLAY
Keep the mode and
on/off
keys
depressed at the same time for 1
second. The word
SET
will appear on
the display.
Keep the mode and
on/off
keys
depressed at the same time for 1
second again. The word
Coo
(meaning
“
Cool
”) will appear on the display.
In heat pump units, the word
Hea
(mea-
ning “
Heat
”) will appear when the on/off
key is pressed.
Keep the mode and
on/off
keys
depressed at the same time for 1
second. The selected set value will
appear on the display
Press the mode key to increase the
selected set value, while the value
decreases when the
on/off
key is pres-
sed.
Keep the mode and
on/off
keys
depressed at the same time for 2
seconds to switch to the previous
menu.
1"
1"
1"
2"
1
3
4
5
2
OFF
SetC
ISTC
ON
COOL
thermoregulator
Power
Temperature (
t01
)
OFF
ISTH
ON
SetH
HEAT
thermoregulator
Power
Temperature (
t01
)
SetC =
Set-point for operating in the cooling mode
(Parameter
that can be selected by the User)
ISTC=
Cooling thermoregulator hysteresis
(Parameter C03
can only be modified by the Technical
Assistance staff, not by the User)
SetH =
Set-point for operating in the heating mode
(Parameter
that can be selected by the User)
ISTH=
Heating thermoregulator hysteresis
(Parameter C04
can only be modified by the Technical
Assistance staff, not by the User)