Crab
Resting on a flat surface, it remains anchored to the bottom, allowing it to detect the presence of water on the floor.
PATENTED PRODUCT
Applications:
CLEAN WATER
RAIN WATER
INDUSTRIAL WATER
WATER CONTAINING CHEMICAL SUBSTANCESDownload:
Principle of Operation
Based on the electrical conductivity of the water
Water reaches the weel and the level increases
Crab turns ON the pump 5 seconds after the 2 sensors have detected thewater to let the pump prime
The water level decreases
Crab turns OFF the pump 30 seconds after the 2 sensors don’t detect the water anymore to let the pump empty the system
Factory Delay Times
Start
5"
Stop
30"
Setting Delay Times
By means of the supplied magnetic key, the customer is able to adjust the delay time of start and stop according to its own needs of use.
Setting Start Delay Time
- Disconnect the plug from the electrical system;
- Put the magnetic key close to the arrow stamped on the side of the electronic controller;
- Connect the plug to turn on the pump;
- Hold the magnetic key in position for how many seconds you wish to delay the starting time (maximum 120 seconds);
- Once you got the desired delay time, remove the magnetic key.
Setting Stop Delay Time
- Connect the plug to the electrical system;
- Wait for the pump shutdown;
- Put the magnetic key close to the arrow shown on the side of the electronic regulator and the pump starts;
- Hold the magnetic key in posion for the seconds necessary to delay the shutdown (maximum 120 seconds);
- Once reached the desired time, remove the magnetic key.
Examples of Applications
SPST-NO
Single Function - Normally Open: Emptying
SPST-NC
Single Function - Normally Closed: Filling
Technical Datas
Casing: Polypropylene
Grommet: EPDM
International Protection: IP68
MODEL | NEOPRENE CABLE | LENGHT (m) | POWER SUPPLY | TEMPERATURE | DEPTH | NOTE |
|---|---|---|---|---|---|---|
CRAB (230v) | H05 4G0,75 SPST-NO | 0,70 / 5 / 10 | 230Vac 50/60Hz 5A | max.+50°C (+122°F) | max.10m (32,8ft) | for pumps till 1,5HP |
CRAB (12V) | H05 4G0,75 SPST-NO | 0,70 / 5 / 10 | 12/24Vac/dc | max.+50°C (+122°F) | max.10m (32,8ft) | for pumps till 1,5HP |
Accessories
Brackets and Supports
(* May not be included)
Schuko Piggyback Plug*
The schuko piggyback plug provided with the float switch allows to connect a pump without a switch directly to an electrical socket as to controll the start and stop function.
