Graf 351021, Информация пользователя

Страница: 20 / 28

8. Upgrade options
The AQ+ control device can also be equipped with a number of additional special func-
tions.
1. Optional pressure sensor
Using a pressure sensor, alternative mediums or depths may be adapted to
the use of the device. The sensor must be matched the required specifica
tions of the device.
2. Optional drain pump
If the fill level of the tank reaches a specified value, then a valve or a pump
can be activated. This is to prevent the fill level of the tank from exceeding a
specified maximum level.
3. Optional refill
If the fill level in the main tank sinks below a specified level, then a second
tank is employed to back up and refill the main tank. The pump used in this
process must also be equipped with a mechanism to prevent it from running
dry.
If this system is required, then the device must be sent to the manufacturer. There follows
an additional calculation.
The standard system control device can be equipped with a maximum of one
additional switch output point.
20