You can start or end the watering prematurely at any time by pressing the man. key. The watering time is then 30 minutes.

Read / Change Program

To check the data, you can repeatedly press the O.K. key to run through the program levels. The levels are selected and checked consecutively. This does not interrupt the current program cycle.

To change the data, proceed as described above.

Program Overview

Program

Cycle

Duration

number

 

 

 

 

 

00

No program active

 

 

 

 

01

6 hours (4 times daily)

3 minutes

 

 

 

02

12 hours (twice daily)

3 minutes

 

 

 

03

12 hours (twice daily)

15 minutes

 

 

 

04

24 hours (once a day)

3 minutes

 

 

 

05

24 hours (once a day)

5 minutes

 

 

 

06

24 hours (once a day)

30 minutes

 

 

 

07

24 hours (once a day)

1 hour

 

 

 

08

2 days

5 minutes

 

 

 

09

2 days

30 minutes

 

 

 

10

2 days

1 hour

 

 

 

11

3 days

30 minutes

 

 

 

12

3 days

1 hour

 

 

 

13

7 days

1 hour

 

 

 

14

7 days

2 hours

 

 

 

Manual, programming-independent On/Off (man.)

Before and after entering data, you can operate the GARDENA Water Timer electronic T 14 e manually, independent of the programmed data. To do this, press the man. key.

Press the MAN key once to activate watering for a maximum of 30 minutes (LCD: On). Press the man. key again to end watering.

8

7. Changing the Battery / Testing the Battery

 

To ensure the Water Timer runs safely, only a 9 V alkali-

Amanganese battery (alkaline) type IEC 6LR61 must be used.

 

Time

Start Cycle

 

 

If the battery voltage falls below a

 

 

 

certain level the Batt. indicator appears.

 

 

 

 

·

·

·

.

 

· Batt.

It is possible to initiate watering manually

On ·

 

 

 

 

 

 

even if the battery capacity is too low

 

 

 

 

 

Off ·

 

283 .88

 

 

(valve no longer opens), but programmed

 

 

 

 

 

 

 

 

 

 

watering times, however, are not initiated.

Even if the battery capacity is too low to run a program, if the valve is open it will be closed.

The battery voltage is tested during the opening and the closing pulse. In this way you can test the capability of the battery at any time. To do this, press two times the On/Off-man. key. If the valve closes and the Batt. indicator does not appear then the battery is functioning. If the display disappears and only the Batt. indicator appears, the battery has to be changed.

Previously set data is lost when replacing the battery. AProgram the Water Timer subsequently again.

For notes on changing the battery see “Inserting the Battery”.

8. Notes on Safety and Operation

. The minimum water output to ensure that the Water Computer functions correctly is 20 - 30 l/h.

For example, at least 10 x 2-litre Drip Heads are required to control the Micro-Drip-System.

. To prevent water penetrating the battery compartment the Water

Timer must only be mounted in a perpendicular position with the sleeve nut pointing upwards.

. Program the Water Timer with the tap turned off. In this way you can avoid getting wet when trying out the manual On/Off function. You can remove the control unit from the housing to program the Water Timer.

. The Water Timer must only be used outdoors.

Warning! The Water Timer must not be used indoors.

. The Water Timer must be stored in a dry place away from frost before the frosty season begins.

. The max. temperature for the water flow is 40 °C.

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Gardena 1820 operating instructions Changing the Battery / Testing the Battery, Read / Change Program
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1820 specifications

The Gardena 1820 is an innovative and versatile gardening tool designed to enhance the efficiency of garden maintenance. As a part of the Gardena brand, known for its high-quality gardening solutions, the 1820 model offers a blend of power, functionality, and user-friendly design that caters to both amateur gardeners and seasoned professionals.

One of the primary features of the Gardena 1820 is its powerful motor, which provides robust performance for various gardening tasks. The motor is designed to deliver consistent power, enabling users to tackle tougher jobs with ease. Whether it's trimming hedges, mowing lawns, or managing overgrown areas, the Gardena 1820 ensures that every task is executed with precision.

An essential characteristic of the Gardena 1820 is its ergonomic design, which prioritizes user comfort during prolonged use. The handle is crafted to fit comfortably in the user's hand, reducing strain and fatigue. Additionally, the lightweight construction makes it easy to maneuver around the garden, allowing for extended use without discomfort.

Technologically, the Gardena 1820 incorporates advanced features like a low-noise operation, which is essential for residential settings where noise pollution could be a concern. This technology enables gardeners to work at any time of the day without disturbing the peace of the neighborhood.

Another notable tech feature is the eco-friendly design of the Gardena 1820. Emphasizing sustainability, the device operates on a rechargeable battery, reducing the need for fossil fuels and decreasing carbon emissions. This eco-conscious approach makes the Gardena 1820 a suitable choice for those committed to gardening in an environmentally responsible manner.

The Gardena 1820 is also equipped with various attachments, enhancing its versatility. Users can easily switch between different gardening tasks, from cutting grass and clearing debris to pruning and edging. This adaptability saves time and space, making it a practical addition to any gardening toolkit.

Furthermore, the Gardena 1820 boasts a maintenance-free operation. With no need for oil changes or complicated upkeep, users can enjoy more time gardening and less time worrying about tool maintenance.

In summary, the Gardena 1820 stands out due to its powerful performance, ergonomic design, innovative technologies, and eco-friendly features. These attributes make it an ideal choice for anyone looking to elevate their gardening experience efficiently and sustainably.
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