. The minimum operating pressure is 1 bar, the maximum operating pressure is 12 bar.

. Check the filter in the sleeve nut 7 regularly and clean if necessary.

. Avoid tensile strain. Do not pull the hose connected to the Water

Timer Electronic.

. Only use clear fresh water.

9. Anti-Theft Protection (Fig. D)

To protect your Water Timer against theft, the GARDENA anti-theft protection 0 (1815 - 00 .791. 00) is available at GARDENA Service.

The bracket on the anti-theft protection is fitted onto the back of the unit. Note that the screw included cannot be loosened once it has been screwed in. The bracket can be used, for example, to attach a chain.

10. GARDENA Soil Moisture Sensor (Fig. E)

Together with the GARDENA Soil Moisture Sensor (Art. No. 1187) watering is controlled considering the soil moisture.

Assembly

The Soil Moisture Sensor is connected to the connection socket 6 on the back of the control unit (Fig. A).

How it works

If the connected Soil Moisture Sensor indicates there is sufficient moisture then the watering program is either interrupted or not initiated.

Note: Manual watering (function On/Off-man.) is still possible.

11. GARDENA Rain Sensor (Fig. F)

Together with the GARDENA Rain Sensor (Art. No. 1189) watering is controlled considering natural precipitation.

Assembly

The Rain Sensor, as an alternative to the Soil Moisture Sensor, can be connected to the connection socket 6 on the back of the control unit (Fig. A).

How it works

If the connected Rain Sensor indicates an appropriate amount of rain, the watering program is interrupted or not initiated.

Note: Manual watering (function On/Off-man.) is still possible.

10

12. Faults

Fault

Possible Cause

Remedy

 

 

 

Not able to open the

Battery power too low.

Insert a new

Water Timer using

 

alkaline battery.

the “On/Off-man.”

 

 

Tap turned off.

Turn on tap.

function.

 

 

 

 

 

Watering not

Battery power too low.

Insert a new

initiated.

 

alkaline battery.

 

 

 

 

Data input / changes

Input data or make

 

made while the pro-

changes before or

 

gram was starting or

after the starting times

 

immediately before.

you have chosen.

 

 

 

 

Tap turned off.

Turn on tap.

 

 

 

 

Soil Moisture Sensor

If dry, check setting/

 

or Rain Sensor indi-

position of the Soil

 

cate sufficient moisture.

Moisture Sensor or

 

 

Rain Sensor.

 

 

 

Battery flat after

Not an alkaline

Use an alkaline

working for a

battery.

battery.

short time.

 

 

 

 

 

If you have any problems with your Water Timer Electronic, please contact our Customer Service or return the defective unit together with a short description of the problem directly to one of the GARDENA Service Centres listed on the back of this leaflet.

If covered under warranty, please include a copy of the receipt.

We expressly point out that, in accordance with the product liability law, we are not liable for any damage caused by our units if it is due to improper repair or if parts exchanged are not original GARDENA parts or parts approved by us, and, if the repairs were not carried out by a GARDENA Service Centre or an authorised specialist. The same applies to spare parts and accessories.

11

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Image 6
Gardena 1820 Anti-Theft Protection Fig. D, Gardena Soil Moisture Sensor Fig. E, Gardena Rain Sensor Fig. F, Faults
Page 5 Page 7

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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