8
USE OF BUTTON COMBINATIONS AND THEIR FUNCTIONS
FUNCTION / BUTTON COMBINATION
SET CONFIGURATION
/ / / /
(Set +
(Set +
(Set +
(Set +
t
t
t
t
oooo
u
u
u
u
))))
Press the "Set" button to view the current SETPOINT value (temperature).
Keeping the "Set" button down and pressing one of the two buttons (
t
) or (
u
) the SETPOINT value is modified.
To return to the temperature viewing the "Set" is to be released, modified settings shall be automatically saved.
1st LEVEL PROGRAMMING
/ / / /
((((
t
t
t
t
++++
u
u
u
u
))))
Press and hold simultaneously “UP” and “DOWN” buttons for more than 3 sec in order to access the first level
programming menu. Having accessed the menu a confirmation BEEP is generated. After 30 sec the menu is exited
automatically.
FIRST LEVEL VARIABLES
VARIABLE
MEANING
DEF.
r0
Temperature differential referred to the main SETPOINT
< Range: 0,2 ÷ 10°C >
It is expressed by an absolute value and defines the hysteresis of the temperature to the
SETPOINT.
2
A1
Minimum temperature alarm
< Range: - 45 ÷ -20 °C >
The absolute temperature referred to the environment probe, below which the LOW
temperature alarm is activated upon the delay time (6 minutes) expiration, consisting in an
alternation of EL symbol and the temperature on the display and the alarm icon flashing.
After the alarm has ended, the alarm icon remains on, in order to signal its intervention,
until the UP button is pressed.
0
A2
Maximum temperature alarm
< Range: 3 ÷ 10 °C >
If the temperature exceeds the value equal to (sr0+A2), upon the delay time (6
minutes) expiration, the HIGH temperature alarm is activated, consisting in an alternation
of EH symbol with the temperature on the display and the alarm icon flashing.
After the alarm has ended, the alarm icon remains on, in order to signal the alarm
intervention, until the UP button is pressed.
10
Summary of Contents for Via Larga 15
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