Installation

Installation

1. Fill sensor

 
Unscrew green watering head and fill the ceramic sensor to the brim with water. If possible, first soak the sensor a few minutes in water.
 

2. Closing sensor

 
Screw watering head back on to the sensor firmly (to ring) but not too tightly (take care not to strip screw). The sensor must be closed enough so that it is airtight. The sensor can also be closed under water (however, see "Control")

 
 

3. Soaking sensor

 
The Tropf-Blumat sensor, filled with water and closed firmly, should then be soaked for at least 1 hour. This allows the ceramic material time to absorb water fully and reduce the pressure built up during the process of sealing.
 

4. Positioning water supply tube

 
In the mean time, the water supply tube can be unrolled and positioned over its entire length. Plus, the hose union piece can be connected to a pressure reducer or an elevated reservoir tank. If the tubing has been warmed up briefly (5 minutes) in hot water or left unrolled in the sun, it will be easier to work with. (Step 4 can also be postponed- see "Tips")
 

5. Inserting sensors

 
Stop! First water the soil thoroughly several times! Optimally, the watering should be done about every 10 minutes, 2-3 times with a watering can so that the soil is somewhat too wet. The sensors should not be inserted into dry or semi-dry soil! The Tropf-Blumat sensors should be placed about 20-25 cm apart in the earth near the roots. The upper edge of the porous ceramic cone should be about 1 cm under the surface of the soil. It is important that the cone have good contact with the surrounding soil.

 

 

 

6. Connecting sensors

 
The water supply tube has to be cut with scissors at the points where sensors have been inserted, the T-connecting pieces are then inserted. It is also possible to cut pieces of tubing ahead which can then be used to connect the individual Tropf-Blumat sensors. The T-pieces should sit tightly, however, the tube should not be stretched during insertion. The easiest method of insertion is by simply premoistening the T-piece. Lubricants such as soap or fat should not be used. The T-piece should be positioned correctly as needed, repositioning later is not possible.

 

 

7. Adjusting sensors

 
The system should first be completely set-up before any adjusting on sensors is done (see "Adjusting Correctly")
 

8. Connecting distributor drippers - if desired

 
Cut 25-30 cm long pieces from the drip tubing and connect to the spout of the distributor dripper. The dripper with only one spout should be used at the end of the dripper row. The row of drippers is then connected to the tubing of the Tropf-Blumat sensors and laid, as desired, around the plant roots. When using distributor drippers, the sensors must be adjusted together with the distributor drippers (see "Adjusting Correctly").

 

 

Proper Adjustment of Tropf-Blumat

 

Prior to use

Turn on water tap, put pressure on the hose; check if all connections are water tight.

 

Test run

Turn adjusting screw on watering head counter clockwise (to the left), a strong stream of water should flow out of the drip tube. For older systems: checking of the total flow of water, remove possible blockages (see "Maintenance").

 

'Drip distance'

The distance from the drip location to the sensor influences the length and amount of watering (see below). Standard: the drip tube must stick out about 8 cm beyond the watering head.

 

Standard Adjustment

Slowly close adjusting screw by turning clockwise (to the right), until just a single drop of water remains hanging on the end of the drip tube. This "zero adjustment" is important, so that the sensor shuts off automatically when enough moisture is available (for instance, after rain).

 

Extra

The adjusting screw should then be turned 2 more dial markings to the right, closing additionally!

 

Correcting

Control the sensors on the following days for about a week, early morning hours are best. Dripping should begin when the earth surface is clearly dryer, otherwise, open the adjusting screw a bit more. If the earth remains wet (after rain), then drips should not be seen even gradually emmerging from tube; in this case, close adjusting screw more. Usually an adjustment of a ½ dial marking is enough. Proper adjustment requires a delicate touch, to a certain degree!

 

 

 
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