AFRISO EMA AB
• Kilvägen 2, SE-232 37 Arlöv • Phone +46-(0)40-92 20 50 • [email protected] • www.afriso.se
2
VA-ALERT
Full Tank Alarm for sewage tanks • Installation instructions
Subject to design modifications..
VA-ALERT
Alarm unit must
not be disposed with
household garbage,
but should be handled as
electronic waste.
Safety /
important to consider
• Carefully read the installation manual
before assembly
• Alarm Device may only be installed in dry
indoor areas.
• The equipment may only be used for indica-
tion of high level alarms in sewage tanks or
water tanks.
• Can not be used in connection with oil or
petrol! Nor in hazardous areas!
• If the tank is to be below ground, be sure
that the sensor can be accessed simply by
installing a manhole, etc. This is to avoid
having to dig to access the sensor for any
future sensor replacement.
• The sensor is available with 2 or 10 m cable.
If sensor cable needs to be extended: Use
RKK 2 x 0.75 mm
2
. Do not use multiconductor
cable (for pump control signals or the like).
See more in ”Splicing” on page 3.
Function Description
VA-ALERT for sewage tanks is a unit with
conductive probe that use AC technology
for the sensor. The unit is designed to be
mounted directly onto a wall indoors and is
powered by 3 AA batteries with a life expec-
tancy of at least 3 years.
VA-ALERT has an internal relay which allows
connection to alarm lamp or SMS-alarm unit.
VA-ALERT is used for cisterns / tanks con-
taining electrically conductive liquids. Alarm
is given when the contents of the tank has
reached to the two electrodes of the sensors
lower part. The unit has built-in warning for
low battery voltage, which warns of battery
replacement in due time before the battery is
exhausted (about 3-6 months before).
Components parts
VA-sensor
VA-ALERT
ALARM
NORMAL
+
!
