2920 1390 02
8
Instruction book
An electronic thermostat (Fig. 1.7) with display and alarm
functions is available as an option. Display (3) shows the
pressure dewpoint. The set point value, i.e. the pressure
dewpoint at which the alarm indicator lamp lights up, can be
checked by pressing key (5); the value will blink for approx. 5
seconds on the display. The differential value, i.e. the
temperature difference between alarm on and alarm off, can be
checked by pressing key (4); the value will blink on the display
for approx. 5 seconds.
Altering the set point value (indicated "L1")
- Press key (5); the current value blinks on the display.
- Press the up (1) or down (2) key until the desired value is
reached.
- To store the new value, press key (5) or wait a few seconds.
Altering the differential value (indicated "HY1")
- Press key (4); the current value blinks on the display.
- Press the up (1) or down (2) key until the desired value is
reached.
- Press key (5) or wait a few seconds to store the new value.
If the temperature increases above the preset value, the alarm
indicator lamp will light up.
1. Key, value up
2. Key, value down
3. Display
4. Key, differential value
5. Key, set point of maximum pressure dewpoint
Fig. 1.7 Detail of electronic dewpoint indicator (optional)
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