Gardena Flex 1890 Manual

Also See for Flex:

Operator's manual (111 pages)

Operator's manual (75 pages)

Operator's manual (15 pages)

Table of Contents

Contents

1 INTENDED USE
2 INITIAL OPERATION
3 FUNCTION
4 PROGRAMMING
5 MAINTENANCE
6 STORAGE
7 TROUBLESHOOTING
8 TECHNICAL DATA
9 ACCESSORIES / SPARE PARTS
10 SAFETY INSTRUCTIONS
11 WARRANTY / SERVICE
- 11.1 Product registration
- 11.2 Service
12 Documents / Resources
- 12.1 References
- 12.2 Download manual

Gardena Flex 1890 Manual

INTENDED USE

The GARDENA Water Control is intended for private use in domestic and hobby gardens, exclusively for outdoor use, to control sprinklers and watering systems. The Water Control can be used for automatic watering during holidays.

The GARDENA Water Control must not be used for industrial purposes or in conjunction with chemicals, foodstuffs, easily flammable and explosive materials.

INITIAL OPERATION

INITIAL OPERATION
→ (Fig. A – D)

A video of the commissioning and setting processes is available here:

FUNCTION

→ (Fig. F)
The settings can be adjusted when the control panel is removed. You can change the settings or move to the next setting by turning the outer wheel.
Pressing the button confirms the respective input. Pressing the button for a minimum of 3 seconds locks or unlocks the display.
FUNCTION - Adjusting the settings
FUNCTION - Display description

	max. 1 year
	min. 4 weeks
	max. 4 weeks
	too weak for opening again

If you will be away for long periods of time, please replace the battery when the battery symbol blinks – otherwise the watering system may fail.

PROGRAMMING

Fig. G:

Set time (hours)
Set time (mins)
Select schedule
Confirm schedule

Please note: If starting in the past and at a frequency of 4, 6, 8, 12 hours, the start time will be automatically adjusted after input.
Watering tip: For pot plants that required small amounts of water at regular intervals, short watering cycles are ideal in combination with a drip irrigation system.
The saved watering schedule can be activated or deactivated by pressing ON / OFF.

Fig. I:

Active watering
Change watering duration
Stop active watering at any time

By pressing the button, manual watering can be started or stopped at a desired time (see fig. I ).

Soil Moisture Sensor → (Fig. D and H):
After a soil moisture sensor is connected, the word "Sensor" will be displayed – this can take up to 1 minute.
Once the soil is sufficiently moist, a watering operation as per schedule will not be carried out. This does not affect active (manual) watering.

Soil Moisture Sensor, Art.1867 (optionally available)

Connecting the sensor
An operating point must then be defined.
This is the soil moisture level at or above which watering is not to be carried out (see GARDENA Soil Moisture Sensor Operating Instructions).
There are 3 levels to choose from.
- During normal operation, the currently measured level is displayed constantly.
- The switching point as of which the sensor signals that the soil is moist – thereby preventing watering – is selected via the number of levels.
- 0 dots for loamy soil
  - Sensor response when soil is quite dry.
- 3 dots for sandy soil
  - Sensor response when soil is very moist.

Soil Moisture Sensor, Art. 1188, (optionally available, models up to 2020)
The soil moisture level at which a watering will not be carried out as per the schedule can be set using the switching point controller on the soil moisture sensor (see GARDENA Soil Moisture Sensor Operator's manual).

MAINTENANCE

→ (Fig. E)

STORAGE

To put into storage:

The product must be stored away from children.
To preserve the battery, it should be removed (fig. B).
Store the controller and the valve unit in a dry, enclosed and frost-free place.

TROUBLESHOOTING

Problem	Possible Cause	Remedy
No display appears	Battery is inserted incorrectly.	Check the polarity markings match (+ / –).
	Battery is flat.	Insert a new (alkaline) battery.
	Temperature on the display is higher than 70°C.	Display appears after the temperature has dropped.
Display shows when button / setting dial is activated	Buttons have been locked.	Press the button for 3 seconds.
Manual watering is not possible using the button	Low battery is continuously displayed.	Insert a new (alkaline) battery.
	Tap is turned off.	Turn the tap on.
	Controller is not connected.	Mount the controller on housing.
	Minimum pressure of 0.5 bar not available.	Ensure a pressure of at least 0.5 bar.
Watering program is not being undertaken / no watering	Program entry / modification during or just before the start pulse.	Make program entry / modification outside the programmed start times.
	Valve was opened manually previously.	Avoid possible program overlaps.
	Tap is turned off.	Turn the tap on.
	Soil moisture or rain sensor registers damp.	If dry, check the setting / location of the soil moisture / rain sensor.
	Controller is not connected.	Mount the controller on housing.
	Low battery is continuously displayed.	Insert a new (alkaline) battery.
	Minimum pressure of 0.5 bar not available.	Ensure a pressure of at least 0.5 bar.
The unit does not close	Minimum quantity of water drawn is less than 20 l/h.	Connect more drip heads.
The unit does not close	Valve soiled.	Flush in the opposite direction to the normal flow direction.

warning NOTE: For any other malfunctions please contact the GARDENA service department. Repairs must only be done by GARDENA service departments or specialist dealers approved by GARDENA.

TECHNICAL DATA

Water Control	Value / Unit
Min. / max. operating pressure	0.5 bar / 12 bar
Operating temperature range	5°C to 50°C
Flow medium	Clear fresh water
Max. liquid temperature	40°C
No. of programcontrolled watering sequences per day	6 (every 4 h), 4 (every 6 h), 3 (every 8 h), 2 (every 12 h), 1 (every 24 h), every other day (every 48 h), every third day (every 72 h)
No. of programcontrolled watering sequences per week	max. 42
Watering duration	1 sec. ‒ 99 min. 59 sec.
Battery required	1 x 9V alkaline manganese Typ IEC 6LR61
Operating time of the battery	approximately 1 year

ACCESSORIES / SPARE PARTS

GARDENA Soil Moisture Sensor	Art. 1867
GARDENA Anti-theft device	Art. 1815-00.791.00 from the GARDENA Service

SAFETY INSTRUCTIONS

Read the operator's manual carefully before use and keep for future reference.

Battery:
To ensure the Water Control runs safely, only a 9V alkaline manganese battery (alkaline) type IEC 6LR61 must be used!

In order to stop the Water Control from failing because of a weak battery if you are away for a long time, the battery must be replaced when the battery symbol flashes.

Setting up:
The Water Control may only be set up vertically with the sleeve nut to the top to prevent water penetrating into the battery compartment. The minimum water output to ensure that the Water Control 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.

At high temperatures (over 70°C at the display) the LCD display may extinguish. This does not affect the program in any way. When the computer cools down the LCD display illuminates again.
The max. temperature for the water flow is 40°C.

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

If the control section is removed when the valve is open, the valve remains open until the control section is reattached.

Cardiac arrest! This product makes an electromagnetic field while it operates. This field may under some conditions interfere with active or passive medical implants. To decrease the risk of conditions that can possibly injure or kill, we recommend persons with medical implants to speak with their physician and the medical implant manufacturer before you operate the product.

Risk of suffocation!
Small parts can be easily swallowed. There is also a risk that the polybag can suffocate toddlers. Keep toddlers away when you assemble the product.