10
5. Using PXF4 regulator
5.1 Ajusting setpoint temperature
On the TRUST model, the setpoint temperature is adjusted by means of the regulator at the front bottom right of your
freezer, behind the glass door.
5.2 Setting high and low temperature alarms
High visual alarm:
These devices are equipped with a high and low temperature alarm visible on the main screen: a maximum deviation
between the temperature in the enclosure (PV) and the set temperature (SV, Set Value) is allowed in the enclosure of
freezer.
If the measured temperature (PV) cross this gap, the alarm goes on and the alarm n°2 lights up.
The high alarm value is set (factory setting) at -60°C (for -80°C model) or -30°C (for -45°C model).
Setting the high temperature alarm A1-H:
1. Press
SEL
to access parameters.
2. Hold
SEL
: apparition of A1-L parameter.
3. Display A1-H parameter by pressing 1 time
and select by pressing SEL (blinking).
4. Modifie A1-H parameter, by using the
and
keys.
5. Validate by pressing
SEL
.
6. Go to home menu by pressing
Setting the low temperature alarm A1-L:
1. Press
SEL
to access parameters.
2. Hold
SEL
: apparition of A1-L parameter.
3. Press
SEL
(blinking of A1-L).
4. Modifie A1-H parameter, by pressing the
and
keys.
5. Validate by pressing
SEL
.
6. Go to home menu by pressing
Open the lower right wicket to access the regulator
Adjust the value using the 2 arrows keys.
No validation is needed. The value is automatically saved.
If you press and hold the keys, the value changes more quickly.
Actual temperature (PV)
Setpoint
temperature (SV)
