2. FUNCTION. Gardena 1874-28
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Gardena 1874-28 is an automatic Water Control device that supports up to 3 scheduled watering cycles per day, fully customizable for each of the 2 available outlets. The device can be used with sprinklers, sprinkler systems, or drip head watering systems. It has a large LCD display that shows the current time and day of the week, watering start time, watering duration, watering frequency, and battery level. The Water Control also features a rain sensor input that can be used to automatically stop watering when it rains.
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2. FUNCTION
With the Water Control, the garden can be watered fully automatically up to 3 times a day (every
8 hours) via both outlets. Sprinklers, a sprinkler
system or a drip head watering system can be used for watering.
The Water Control carries out watering fully automatically according to the set program and can therefore also be used during holidays. Early in the morning or late in the evening, evaporation and therefore water consumption is lowest.
Controls [ Fig. F1 ]:
The watering programme is easily entered using the controls.
Control Function
(1) Man. button For switching the water throughput on or off manually.
(2)
OK button Applies the values set with the
▼
-
▲ buttons.
(3) Menu button Changes to the next programme level.
(4)
▼
-
▲
-buttons
(V1 / V2)
Change the adjustable values in each (V1 / V2) level / selection of outlet
(V1 / V2) in Level 1.
Display levels:
The 6 display levels can be selected one after the other by pressing the Menu key.
• Level 1:
• Level 2:
• Level 3:
• Level 4:
• Level 5:
• Level 6:
Normal display
Current time and day of the week
Watering start time
Watering duration
Watering frequency
Switch programme on or off /
Deactivate sensor
The display level can be changed at any time by pressing the Menu button. All programme data changed up to this time and confirmed with the
OK button is saved. If data is changed during programmed irrigation and confirmed with the
OK button then the valve is closed.
Display messages [ Fig. F2 ]:
Display
(5) Weekdays
Mo , Tu …
(6) Time
Display
Current weekday , or programmed watering days .
Current time of day (flashes when in input mode).
(7) am / pm
(8) Start
(14) Valve ï V1 /
Valve V2 ð
Watering start time (flashes when in input mode).
(9)
(10)
Run Time
8h, 12h, 24h,
2nd, 3rd, 7th
Watering duration (flashes when in input mode).
Watering cycle (with
Every 8 / 12 / 24 hours; every 2nd / 3rd / 7th day.
activated).
(11) Prog ON / OFF Watering programme on ( ON ) / off ( OFF ).
(12) Direct sensor control
Watering is automatically controlled between 20:00 and 06:00 via the
Soil Moisture Sensor.
(13) Sensor 1 / 2 dry / wet
Dry sensor dry: watering is carried out.
Wet sensor wet: watering is not carried out.
The arrow indicates the selected valve:
– displayed : the valve is connected
– flashing : the valve is open
(15) Battery
Display for 12-hour clock
(e. g. in USA, Canada).
Indicates 5 battery levels:
3 bars:
2 bars:
1 bar :
0 bar :
Frame is flashing:
Battery fully charged
Battery half full
Battery low
Battery almost flat
Battery flat
If the battery frame is flashing, the valve is no longer opened. A valve opened by the programme
will also close again if the battery is flat.
The battery display is reset when the battery is changed.
5
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