WT 4.000 - Irrigation timer KARCHER - Free user manual and instructions
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USER MANUAL WT 4.000 KARCHER
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1 2 3 4 5 6 7 8 9 10 www.karcher.com KARCHER®Inhaltsverzeichnis
Geräteabbildung 3
Illustration of appliance 3
General information 15
Safety instructions 17
Operation 18
Maintenance and care 22
Troubleshooting 23
Technical specifications 24
General information
Dear Customer,

Please read and comply with these original instructions prior to the initial operation of your appliance and store them for later use or subsequent owners.
Proper use
- This appliance has been designed for use in private households and is not intended for commercial use.
- This appliance is designed to be connected to a water tap and automatically regulates the water flow in irrigation systems.
Environmental protection

The packaging material can be recycled. Please do not place the packaging into the ordinary refuse for disposal, but arrange for the proper recycling.

Old appliances contain valuable materials that can be recycled. Please arrange for the proper recycling of old appliances.
Please dispose your old appliances using appropriate collec-
tion systems.
Notes about the ingredients (REACH)
You will find current information about the ingredients at:
The warranty terms published by the relevant sales company are applicable in each country. We will repair potential failures of your appliance within the warranty period free of charge, provided that such failure is caused by faulty material or defects in manufacturing. In the event of a warranty claim please contact your dealer or the nearest authorized Customer Service centre. Please submit the proof of purchase.
(See address on the reverse)
Symbols in the operating instructions
Caution
Possible hazardous situation that could lead to mild injury to persons or damage to property.
Safety instructions
Caution
■ Do not use the irrigation device in drinking water systems.
■ Only operate the irrigation device with untreated, clear fresh water at a temperature of max. 35°C.
■ Only install the device outside.
■ Protect the irrigation device from water spray and never sub-merge in water.
- Check the irrigation device for damages prior to each use and stop using it if there are visual damages.
■ Only mount irrigation device in a vertical position.
■ Do not use sealant or lubrication to connect the irrigation device to the water tap.
■ Do not pull on the attached hose.
■ Only use 9V batteries (type 6LR61 / Alkaline).
■ Do not use rechargeable batteries.
■ Do not install the irrigation device in areas where condensation water may be generated, as this may damage the battery.
■ Do not install the irrigation device near heat sources (max. ambient temperature 60°C).
■ Do not install the irrigation device near powered devices.
Operation
Check the contents of the packaging for completeness and damages when unpacking. If you detect any damages please contact your dealer.
Illustrations on fold-out page!

Description of the Appliance
1 Reduction piece (G ^3/_4 )
2 Water connection (G 1) with filter gasket
3 Hose connection
4 Coupling element for hose connection
5 Housing top
6 Battery compartment
7 Signal lamp
8 Regulator irrigation frequency
9 Regulator irrigation duration
10 Button to change the start time / for function control
Before Startup
→ Remove the top part of the casing.
→ Insert a 9V battery (type 6LR61 / Alkaline).
→ Close the casing and ensure a proper fit.
→ Screw the coupling element onto the hose connection.
→ If necessary, screw the reduction piece onto the water connection.
→ Hold the irrigation device to the casing and screw the water connection onto the water tap.
Caution
Never connect the irrigation device to the water tap without using the supplied filter gasket.
Start up
Setting the irrigation duration
→ Set the regulator for the irrigation duration to the desired duration, e.g. 15 minutes.
Set the irrigation frequency and the start time
Note: The start time of the irrigation rhythm corresponds directly to the set time of the irrigation duration. The start can be optionally changed and is also described below.
→ Turn the regulator for the irrigation frequency to the RES position. The signal lamp blinks red, the programming mode is activated for 30 seconds.
→ Activate the button to change the start time (option). Every use moves the start time by 60 minutes.
e.g.: To delay the start time by 3 hours, press the button three times (from the current time). The signal lamp glows green every time it is used.
→ Turn the regulator for the irrigation frequency to the desired cycle.
h = cycle time in hours, e.g. every 4 hours
d = cycle time in days, e.g. every 2 days
w = weekly cycle
Reset setting
In order to correct an entry or to delete a preset programme
→ Turn the regulator for the irrigation frequency to the RES position.
Operation
Programme-controlled irrigation
The irrigation will take place automatically as per the preset programme (e.g. every 2 days for 15 minutes each).
Actuating the button for function control lets you check the current status at any time. While the programme is active, the signal lamp will briefly light up green.
Note: If the battery is depleted, the irrigation programme will be interrupted automatically and the signal lamp will glow red. If the irrigation device is to be used over longer periods without supervision, you should insert a new battery.
Manual irrigation
The irrigation can be started manually at any time; the preset programmes will not be affected by this.
Start manual irrigation
→ Turn the regulator for the irrigation duration to the ON position; the signal lamp will briefly light up green, the valve will open. After 30 minutes, the irrigation process will end automatically.
Stop manual irrigation
→ Turn the regulator for the irrigation duration to the OFF position; the signal lamp will briefly light up red, the valve will close.
Note: If an irrigation programme is set on the irrigation unit, the regulator for the irrigation duration must be reset to the desired times after the manual irrigation is completed. If the regulator is set to OFF, there will be no irrigation, even though the internal irrigation rhythm will continue.
Finish operation
At the end of the irrigation season
→ Turn off tap.
→ Remove the irrigation device from the water tap and the water hose.
→ Activate manual irrigation to drain the remaining water from the irrigation device.
→ Turn the regulator for the irrigation frequency to the RES position.
→ Remove the battery.
Maintenance and care
Clean the filter gasket
→ Regularly remove the filter gasket from the water connection and rinse under running water.
Battery
Change the battery
Prior to each irrigation season or of the signal lamp glows red.
→ Remove the top part of the casing.
→ Insert a new 9V battery (type 6LR61 / Alkaline).
Dispose of the used battery according to the local provisions.
Note: The safety unit of the irrigation device will automatically close the valve if the battery is depleted.
→ Close the casing and ensure a proper fit.
Maintenance
The appliance is maintenance-free.
Storage
→ Completely drain all water from the irrigation device.
→ Remove the battery.
→ Store the irrigation device at a dry and frost-free location.
22 English
Troubleshooting
| Fault Cause Remedy | ||
| The irrigation does not take place in spite of the programming. | Water tap is closed. Open tap. | |
| Battery depleted. Insert a new 9V battery (type 6LR61 / Alkaline). | ||
| Battery contacts oxidized. Clean the contacts. | ||
| Filter gaskets blocked. Clean the filter gasket. | ||
| Irrigation programme inter-rupted manually. Regulator for irrigation duration set to OFF. | Set the regulator for the irrigation duration to the desired duration, e.g. 15 minutes. | |
| Leakage at the water connection. | Filter gasket defective. Replace the filter gas- ket. | |
| The water connection at the water tap has become loose. | Reconnect the water connection. |
Our Kärcher branch will be pleased to help you further in the case of questions or faults. See address on the reverse.
Technical specifications
| Operating pressure 0,1 - 1,0 (1 - 10) MPa (bar) | ||
| Max. feed temperature 35 °C | ||
| Ambient temperature +1 -> +60 °C | ||
| Battery type 9V (6LR61 / Alkaline) | ||
Subject to technical modifications!
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