Kärcher SensoTimer ST6 Duo eco!ogic User manual
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3
– 1
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 own-
ers.
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.
The manufacturer is not responsible for any
damages that may occur on account of im-
proper use or wrong operations.
Please observe the requirements of EN
1717 when connecting this product to the
drinking water network and contact your
sanitation specialists if you have any ques-
tions.
Our KÄRCHER branch will be pleased to
help you further in the case of questions or
faults.
(See address on the reverse)
The packaging material can be recy-
cled. Please do not place the packag-
ing into the ordinary refuse for disposal, but
arrange for the proper recycling.
Old appliances contain valuable ma-
terials that can be recycled. Please
arrange for the proper recycling of old
appliances. Please dispose your old appli-
ances using appropriate collection sys-
tems.
Notes about the ingredients (REACH)
You will find current information about the
ingredients at:
www.kaercher.com/REACH
At the end of the operating instructions you
will find a selected list of spare parts that
are often required.
You can procure the spare parts and the at-
tachments from your dealer or your
KÄRCHER branch office.
The terms of the guarantee applicable in
each country have been published by our
respective national distributors. We will re-
pair possible faults on your unit free of
charge within the warranty period, insofar
as the faults are caused by material defects
or defective workmanship. Guarantee
claims should be addressed to your dealer
or the nearest authorized customer service
centre, and supported by documentary evi-
dence of purchase.
This warranty relates only to the device, not
to damages on plants.
These operating instructions are availa-
ble as print variant (included in the
scope of delivery) and as a more de-
tailed web variant.
Further information as a video tutorial
via the QR code and at:
www.kaercher.com
Contents
Contents . . . . . . . . . . . . . . . . . EN 1
General notes . . . . . . . . . . . . . EN 1
Safety instructions. . . . . . . . . . EN 2
Description . . . . . . . . . . . . . . . EN 2
General information on the oper-
ation . . . . . . . . . . . . . . . . . . . . EN 3
Further functions . . . . . . . . . . . EN 5
Implanting the sensor . . . . . . . EN 6
Care and maintenance . . . . . . EN 6
Technical specifications . . . . . EN 6
Troubleshooting . . . . . . . . . . . EN 7
General notes
Proper use
Connection to the public drinking
water network
Customer Service
Environmental protection
Ordering spare parts and special
attachments
Warranty
Output variants / information
11EN
– 2
This appliance is not intended for use
by persons with limited physical, senso-
ry or mental capacities or lacking expe-
rience and/or skills, unless such per-
sons are accompanied and supervised
by a person in charge of their safety or
they have received precise instructions
on the use of this appliance and have
understood the resulting risks.
Children may only use this appliance if
they are over the age of 8 and super-
vised by a person in charge of their
safety, or if they have received instruc-
tions on the use of this appliance and
have understood the resulting risks.
Children must not play with this appli-
ance.
Supervise children to prevent them
from playing with the appliance.
Cleaning and user maintenance must
not be performed by children without
supervision.
Keep packaging film away from children
- risk of suffocation!
Do not use the irrigation device in drink-
ing water systems.
Only operate the irrigation device with
untreated, clear fresh water with a tem-
perature of max. 35°C.
Only install the device outside.
Never submerge the irrigation device 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 con-
nect the irrigation device to the water
tap.
Do not pull on the attached hose.
Do not install the irrigation device near
heat sources (max. ambient tempera-
ture 60°C).
몇Caution
Only use 9V batteries (type 6LR61 / Al-
kaline).
Do not use rechargeable batteries.
Do not install the irrigation device in ar-
eas where condensation water may be
generated, as this may damage the bat-
tery.
Do not install the irrigation device near
powered devices.
몇WARNING
The appliance must not be used in con-
nection with explosive or flammable
substances or chemicals.
The device controls the watering either de-
pending on the degree of moisture of the
ground or in a time-controlled manner. For
this purpose, the sensors implanted in the
ground issue the current soil moisture to
the control unit via radio. Time-controlled
operation is possible without a sensor.
Depending on the scope of delivery, the ap-
pliance is equipped with 1 or 2 sensors.
The following values can be set on the con-
trol unit for the two independent water out-
lets:
The tripping limit for the irrigation.
Two different times for the time of irriga-
tion.
The irrigation duration.
The irrigation delay.
Manual irrigation.
As soon as the degree of moisture falls be-
low the tripping limit set on the control unit,
the irrigation is started at the next time of ir-
rigation.
If the device was taught for time control, it
waters independent of the degree of mois-
ture of the ground at the preset times.
In this case, the moisture tripping limit at
the control unit can not be set.
Safety instructions
Description
Function
12 EN
– 3
Illustrations on Page 2
* depending on model
When unpacking the product, make sure
that no accessories are missing and that
none of the package contents have been
damaged. If you detect any transport dam-
ages please contact your dealer.
Illustrations on Page 3
* depending on model
Flashing values are changed by means
of the arrow keys.
OK button completes an entry and
switches to the next entry field. It also
completes the entry in the last entry
field and then switches into the auto-
matic mode.
esc button discards an entry and
switches to the previous entry field or
exits the entry at the first field and
switches into the automatic mode.
If no button is pressed for 30 seconds,
the appliance returns to the automatic
mode.
During the initial startup, it can individually
be selected for each water outlet how it is to
be operated:
In order to get to the automatic mode, at
least 1 sensor must be used or the de-
vice must be taught for time control.
Otherwise the water outlets for auto-
matic watering are inactive.
Sensor-controlled
The sensor is taught during the 60-sec-
ond countdown, i.e. the radio signal is
detected automatically.
Time-controlled
The teaching process of the sensor is
cancelled with the esc/menu button
during the 60-second countdown.
In this case, the moisture tripping limit
at the control unit can not be set.
Locked / inactive
The 60-second countdown passes
completely without the recognition of
the sensor or the esc/menu button be-
ing pushed, then the water outlet is in-
active. After deactivation of water outlet
1, the countdown for outlet 2 can be en-
abled with the OK button.
Description of the display
1 Radio signal and field strength
2 Battery status sensor
3 Tripping limit soil moisture
4 Measured soil moisture
5 Sensor 1 / water outlet 1
6 Irrigation / manual irrigation
7 Sensor 2 / water outlet 2*
8 Battery status control unit
9 Time / time of irrigation
10 Irrigation duration
11 Irrigation delay (eco!ogic function)
12 Break button and setting of the time
13 menu / esc button
14 OK button
15 Arrow keys
Description of the Appliance
A G 3/4 reducer
B G1 water connection with pre-filter
C Top part of the casing for two-channel
appliance*
D G 3/4 hose connection
E Tap connection adapter
F Control unit
G Battery compartment
H Display
I Keypad
J Sensor 1
K Sensor 2*
L Sensor cap
M Cover sensor pad
N Sensor pad
O Eyelet for theft protection*
P Notches for wall mounting
Q Top part of the casing for single-chan-
nel appliance* (rear view)
General information on the
operation
Basic functions of the enter keys
13EN
– 4
Note: The predefined order during com-
missioning must be strictly observed. Oth-
erwise it is not guaranteed that the sensor
is correctly registered with the control unit.
Assistance for the operating procedure is
provided by the accompanying quick start.
Note: The battery is not included in the
scope of delivery.
Figure 1, 2
Insert the battery into the battery com-
partment in the correct position (+/-
marking).
As soon as the battery is inserted, the
display, after a short self-test, changes
directly into the settings mode for the
current time. The hours of the time dis-
play are flashing.
Figure 3
Set hours.
Press the OK button and set minutes.
Confirm the setting of the minutes by
pressing the OK button.
Note: From now on, the receiver waits for
the radio signal of the sensor for teaching.
During this time, the radio signal is flashing
and the seconds countdown is counted
down.
Important: In order to establish the radio
contact between the receiver and the sen-
sor, the sensor battery must be inserted
within 60 seconds.
몇CAUTION
The moisture absorption of the sensor pad
can be impaired by grease or oil on the sur-
face. Do not touch or wipe the sensor pad
with greasy/oily hands/rags.
Figure 4
Remove the sensor cap of the sensor.
Connect the battery with the battery
clip. The connected battery is reinsert-
ed in the casing with the battery clip go-
ing in first.
Close the sensor by means of the sen-
sor cap.
Figure 5
Contact radio signal.
As soon as the contact of the radio sig-
nal is established, the symbol for the ra-
dio signal appears permanently. It is
now guided through the setup se-
quence (preset value for moisture,
times, etc.).
Figure 6
Sensor 1 was detected successfully.
Note: The operating mode is specified and
saved during the teaching process. A
change of the operating mode (e.g. from
sensor control to time control) is only possi-
ble by a new teaching process after a reset.
Figure 7
Set the tripping limit for the soil moisture.
Note: Setting is only possible in the sen-
sor-controlled operation, not in the time-
controlled operation.
Drops show the measured soil moisture,
the adjustable triangles show the tripping
limit. As soon as the measured soil mois-
ture falls below the tripping limit, the irri-
gation starts automatically at the next set
time.
Figure 8.1, 8.2
Set the irrigation time for mornings and
evenings.
Per day 2 times can be set at which the
irrigation starts if the measured soil mois-
ture is below the tripping limit. With "- -:-
-" the irrigation time can be deactivated.
Figure 9
Set the irrigation duration.
The irrigation duration per irrigation cycle
can be set between 1 - 90 minutes. With
"- -" the irrigation duration is deactivated.
Figure 10
Set the irrigation delay.
The irrigation can be delayed for 1 - 7
days; this stimulates the root develop-
ment of the plants. Moreover, it saves
water if it rains during the delay days.
With setting
"- d" this function is deactivated.
Preparation control unit
Preparation / teaching sensor 1
Irrigation settings of water outlet 1
14 EN
– 5
* depending on model
Figure 11
The setting process of sensor 2 starts
automatically after the watering setting
of water outlet 1. If the water outlet 1 re-
mains inactive, teaching of the water
outlet 2 must be enabled by pressing
the OK button. The seconds countdown
starts for water outlet 2. Teaching of
sensor 2 is equivalent to sensor 1.
Note: In order to change the operating
mode of an outlet or to add a sensor, the
teaching process must be restarted.
Remove the batteries from both sen-
sors and the control unit.
Reinsert the battery in the control unit.
As soon as the symbols appear on the
display, press the OK button until the
time on the display is flashing.
Reset the time and start the teaching
process of sensor 1, then of sensor 2.
Identical with "irrigation settings of wa-
ter outlet 1".
The menu button activates the settings
mode.
Arrow keys select the water outlet to be
set, OK button starts the adjustment
cycle.
The settings remain saved even without
battery supply.
Valves can be opened manually:
The menu button activates the settings
mode.
Use the arrow keys to select the tap and
confirm your selection with the OK but-
ton.
The valves are opened/closed by re-
peatedly pressing the arrow keys.
The esc button terminates the manual
irrigation and switches back into the au-
tomatic mode.
Can be activated in every mode (auto-
matic watering and 24h-function).
Hold the left arrow key down for at least
3 seconds in order to open the left valve
manually.
Depending on the scope of delivery, the
same procedure with the right arrow
key applies to open the right valve.
The valve is open.
Press the left/right arrow key briefly in
order to close the opened valve or to
open it again.
If both valves are closed, the device au-
tomatically returns to the previous
mode after 30 seconds.
Terminate the manual watering by
means of the OK button or esc/menu
button. The valve is closed and switch-
es back into the automatic mode.
If the valve unit loses contact to a sen-
sor (no signal as, for example, the sen-
sor battery is empty), the watering is
time-controlled.
Note
ECO delay days are considered.
Advantage: Guarantee of continuous
watering, plants do not dry out.
Preparation / teaching sensor 2*
Irrigation settings of water outlet 2
Further functions
Changing the settings of the water
outlets
Manual irrigation of the water
outlets
Quick access manual watering
Failure safety function
15EN
– 6
Figure A1
The sensor surface must have contact
with the soil. For this purpose, the sen-
sor is inserted in the loose ground like a
plant and the soil is pressed around it.
Do not step or hammer on the sensor.
Figure A2
Implant the sensor directly in the irriga-
tion area and ensure that the sensor is
not located in a sink or elevation.
Figure 2, 4, B
Recommendation: Replace the batter-
ies of the control unit and the sensor as
well as the sensor pad annually.
Completely drain all water from the irri-
gation device.
Remove the batteries from the sensor
and the control unit.
Store the irrigation device at a dry and
frost-proof location.
Subject to technical modifications!
Implanting the sensor
Care and maintenance
Maintenance
Storage
Technical specifications
Operating pressure 0,1 - 1,0 (1
- 10)
MPa
(bar)
Max. feed temperature 35 °C
Ambient temperature +5 -> +60 °C
Frequency 868,1 MHz
Radio range (max.) 100 m
Battery type 9V (6LR61 /
Alkaline)
16 EN
– 7
Troubleshooting
Fault Cause Remedy
The irrigation does not
take place in spite of the
programming.
Water tap is closed. Open tap.
Pre-filter clogged. Clean pre-filter.
Valve does not open /
close.
When the control unit is re-
moved, the valve cannot
open / close.
Install the control unit on the top
part of the casing.
No display indication of
the irrigation times, O:FF
is indicated instead.
Battery empty or contacts
oxidised.
Insert a new 9V battery (type
6LR61 / Alkaline) or clean contacts.
Radio signal, battery
symbol and moisture val-
ue of the sensor are not
indicated.
No radio communication be-
tween the control unit and
the sensor.
The device is in its failure
safety function.
Reduce the distance between the
control unit and the sensor and
check the sensor battery. The sen-
sor is reconnected with the control
unit after the battery replacement
by pressing the OK button. The de-
vice re-establishes the radio con-
tact after 30 minutes the latest.
Tap and water symbol as
well as the indication
E:RR are flashing simul-
taneously.
Valve error. Insert new battery; if the error re-
curs, the appliance is defective.
17EN
This manual suits for next models
1
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