4
5.2 Setting the leakage
protection
When pressing the key, the menu for the va-
cation leakage protection appears in the display,
provided it is activated.
When pressing the key again, the current
anti-leakage setting is displayed.
When no key is activated within 30 seconds,
the display goes back into the locked position.
5.1 Leakage protection
Unlock the keyboard to change values.
Press simultaneously the and key for
about 3 seconds. The display starts flashing to
signal that the keyboard is unlocked.
5. User menu
When the device is mains-operated, the
display always remains active.
The leakage mode provides for a standard
supervision of the installation.
The system calculates the volume flown without
interruption as well as the flow rate.
Should one of the following criteria be exceeded,
the device suspects a leakage problem and
closes the main isolating valve.
• In case the water quantity flown without
interruption exceeds the set limit for the
volume-based leakage (100 - 1500 liters) →
Message A3 is displayed.
• In case the flow rate exceeds 3500l/h for one
minute → Message A4 is displayed.
• In case of an uninterrupted flow of water
during 2 hours with a setting of 100 to 400
liters → Message A9 is displayed.
• In case of an uninterrupted flow of water
during 3 hours with a setting of 500 to 700
liters → Message A9 is displayed.
• In case of an uninterrupted flow of water
during 4 hours with a setting of 800 to 1100
liters → Message A9 is displayed.
• In case of an uninterrupted flow of water
during 5 hours with a setting of 1200 to 1500
liters → Message A9 is displayed.
Unlock the keyboard, if needed.
The message „LE“ flashes in the display.
When pressing the key again, the menu for
the leakage protection displayed.
Summary of Contents for SYR-Safe-T
Page 1: ...Instructions of use...
