This document describes the Ambrogio robot Twenty Deluxe and Twenty Elite models, which are battery-powered automatic lawnmower robots designed to trim grass in gardens and house lawns. They are small, compact, silent, and easy to transport.

Function Description

The robot automatically trims grass within a delimited area using a perimeter wire. It operates randomly, changing direction when it detects the perimeter wire or an obstacle. The robot can recognize areas with higher or thicker grass and activate a spiral movement for a perfect finish. It can be programmed to work on multiple areas (primary and secondary) depending on the model's specifications.

Important Technical Specifications

Models: A015DE0, A020DE0, A020EL0

Maximum recommended surface that can be mowed:

A015DE0: 600 m² (6458 ft²)
A020DE0: 700 m² (7534 ft²)
A020EL0: 1000 m² (10763 ft²)

Dimensions (W x H x D): 420x290x220 mm

Robot weight (incl. battery):

A015DE0: 7.1 kg
A020DE0, A020EL0: 7.2 kg

Cutting height (Min-Max): 25-70 mm (0.98-2.75")

Diameter of blade: 180 mm (7.08")

Motors: Without brushes

Cutting blade speed: 4200 RPM

Ground speed: 28 Metres / Minute (91.8')

Maximum recommended slope managed: 35% (45% allowable based on lawn conditions and accessories installed). 20% in proximity of the outside edge or perimeter wire.

Ambient operating temperature:

Robot: -10°C (14°F) (Min) to +50°C (122°F) (Max)
Charging Station: -10°C (14°F) (Min) to +45°C (113°F) (Max)
Battery Charger: -10°C (14°F) (Min) to +40°C (104°F) (Max)

Measured sound power level: 57 dB(A)

Water protection class:

Robot: IPx5
Charging Station: IPx4
Battery Charger: IPx4

Power supply unit (for lithium battery):

SOY-2940230: Input 100-240 V~; 1.8A; 50/60Hz; Class 1; Output 29.4V; 2.3A
Mean Well OWA-60E-30ZCT: Input 100-240 V~; 1.2A; 50/60 Hz; Class 2; Output 29.4V; 2.0A

Rechargeable Lithium-Ion Battery (rated voltage): 25.9V - 2.5 Ah

Type of charging: Contact

Average recharging time: 1:00 hh:mm

Average mowing duration after a full charge cycle: 02:00 hh:mm (depends on grass condition, lawn, and mowing area complexity)

Frequencies:

Transmitter for robot driving: 500-60000 Hz, max RF power < 10 dBm
Bluetooth: 2402-2480 MHz, max RF power < 14 dBm
GSM: 850/900/1800/1900 MHz, max RF power < 33 dBm

Equipment / Accessories / Functions:

Areas managed (including primary zone): 4
Rain sensor: Standard
Eco Mode (patented) - Self-programming: Standard
Connect module (GPS, GPRS): Optional
Re-entry method to charging station: "V-Meter"-"follow wire" (Standard), "V-Meter"-"follow wire" GPS Assisted (Optional)
Maximum length of perimeter wire (approximate, calculated based on a regular perimeter): 1000 m (3280')

Usage Features

Installation:

Requires preliminary planning for charging station placement and perimeter wire layout.
Charging station should be on a level, compact, and stable ground, preferably in the widest part of the lawn, with a straight area of 200 cm (78.74") in front.
Perimeter wire can be laid on the ground with pegs or buried (2-3 cm deep, max 5 cm).
Perimeter wire installation direction is clockwise, and counter-clockwise around flowerbeds.
Minimum passage allowed between perimeter wires is 70 cm (27.56").
Obstacles like pavements or driveways at lawn level require the perimeter wire to be 5 cm (1.96") from the edge. For metal objects, the distance should be at least 20 cm (7.87") to prevent interference.
Obstacles like kerbs, walls, flower beds, hedges, or plants with protruding roots require the perimeter wire to be at least 20 cm (7.87") away.
For pools, ponds, ravines, ditches, steps, or public roads, the perimeter wire should be at least 90 cm (35.43 inches) from the edge.
Slopes greater than allowed limits cannot be mowed; the perimeter wire should exclude these areas.
The robot can return to the charging station using two methods: "On the Wire" (for complex gardens with many obstacles) or "V-Meter" (for quicker re-entry). "Recall on the Wire" is a special positioning for narrow passages.

First Use and Operation:

On first use, the robot batteries must be charged for at least 4 hours.
The robot can be operated in manual mode (AUTO LED off) or automatic mode (AUTO LED on).
In manual mode, press START/PAUSE to begin a work cycle. The robot returns to the charging station when the battery is exhausted.
In automatic mode, the robot works daily according to a programmed schedule, exiting the charging station for work cycles and returning to recharge as needed.
The robot has a built-in Bluetooth device for programming and control via a smartphone app (Android and iOS). The app allows changing working times, rain sensor operation, departure points for secondary areas, password, and sending commands.
The factory PIN is "0000" and should be changed for security.

Programming Mode:

Up to 4 working schedules (T1, T2, T3, T4) can be set for each day, including start/end times and mowing areas.
"Edge cutting" function enables the robot to cut along the lawn edge, recommended at least twice a week.
Rain sensor can be set to ON (returns to charging station when rain detected), DELAY (returns and stays for a set time), or OFF.
Up to 4 work areas can be configured, with adjustable size (set to 0 m² to disable).
General settings include PIN CODE protection, connectivity parameters, charging station alignment correction factor, and resetting factory settings.
The robot's distance from the perimeter wire before changing direction can be set (MIN, MAX, MED).

Safety Devices:

Obstacle detector: Bumper sensor stops movement and initiates backward motion when a solid object >10 cm (3.94") is hit.
Inclinometer: Stops the cutting blade if the robot works on a slope steeper than the maximum limit or tips over.
Emergency stop switch: "STOP" button on the upper part of the robot immediately stops movement and blade rotation.
Over-current protection: Monitors motors for overheating. If wheel motor overheats, the robot attempts to move in the opposite direction; if persistent, it stops and signals an error. If the cutting blade motor overheats, the robot performs maneuvers to unblock the blade or stops and signals a motor error.
No signal sensor: Stops the robot automatically if no signal is detected.

Safety Regulations:

Read the manual carefully before use.
Ensure no children, elderly, disabled people, or pets are in the working area during operation.
Supervise the device in working areas not bounded by a fence.
Place "Warning! Automatic lawnmower! Keep away from the machine! Supervise children!" signs in public areas.
Not suitable for use by children or people with reduced capabilities without supervision.
Do not allow untrained people to use the robot.
Operators performing maintenance/repair must be fully conversant with safety regulations.
Never remove, bypass, or tamper with safety devices.
Check the lawn for toys, tools, branches, clothing, or other objects that could damage blades.
Never sit on, lift, or place hands/feet under the robot while it's running.
Do not use the robot when a sprinkler system is running.
Do not wash the robot with high-pressure water jets or immerse it in water.
Disconnect power and activate safety device before any adjustment or maintenance. Wear protective gloves when handling the cutting blade.
Do not perform cleaning/maintenance by unsupervised children.
Replace damaged cutting blades or external parts.
If the power cord of the transformer is damaged, have it replaced by the manufacturer or authorized service center.
If the power cord is damaged during use, press "STOP" and disconnect from the electrical socket.
Regularly check the blade, mounting screws, and cutting mechanism for wear or damage.
If the robot vibrates abnormally, press "STOP" and disconnect power.
Never use or recharge the robot in explosive/flammable environments.
Use only the supplied battery charger and power supply unit.

Maintenance Features

Routine Maintenance:

Weekly: Clean and check blade efficiency (replace if bent or worn); clean and remove rust from battery charging knobs, contact plates, and rain sensor.
Monthly: Clean the robot.
Annually (and at end of mowing season): Have the robot serviced at an authorized service center.

Robot Cleaning:

Stop the robot safely (using "Robot Safety Stop").
Use protective gloves.
Clean outside surfaces with a sponge soaked in warm water and mild detergent.
Do not use solvents or benzene.
Do not wash inside parts or use pressurized water.
Do not immerse the robot in water.
Clean the lower part (cutting blade area, wheels) with a brush to remove deposits.
Remove grass and leaves from gripping areas.
Clean battery charger knobs, contact plates (with dry cloth and fine sandpaper if needed).
Clean rain sensor.
Clean inside of charging station.

Prolonged Inactivity and Restarting:

Fully charge the battery before winter storage (recharge at least every five months).
Have routine maintenance performed by an authorized dealer.
Clean the robot and charging station.
Check and replace worn/damaged components.
Store the robot in a protected, dry place (10°-20°C, out of reach of foreign elements).
Disconnect the power plug.
Cover the charging station to protect contact plates.
To restart: connect power plug, reconnect main electrical supply, position robot in charging station, press ON/OFF, wait for battery LED to turn orange and fix, then use.

Part Replacement:

Battery Replacement: Replace at an authorized service center.
Blade Replacement:
1. Stop the robot safely.
2. Use protective gloves.
3. Turn the robot over.
4. Unscrew screws (B) to remove blade (A).
5. Insert a new original blade (code L20Z01000A) and fasten screws.
6. Turn the robot back to operating position.

Robot Disposal:

Classified as WEEE (waste electrical and electronic equipment).
Must be recycled in compliance with local laws, separated and sorted in authorized waste disposal centers, or returned to the dealer upon new purchase.
Packaging is made with recyclable materials and must be disposed of sustainably.
Old/exhausted batteries contain harmful substances and must be disposed of sustainably in specific disposal containers or authorized waste disposal centers.

Warranty Rules:

Covers material or manufacturing defects for 2 years from original purchase date.
Does not cover aesthetic damage, consumable materials (unless defect-caused), damage from non-ZCS accessories, accidents, abuse, misuse, natural events, unauthorized service, or modified products.
Warranty is limited to the country of purchase.
Faulty robot must be returned to the vendor or nearest service center with original invoice/receipt.
Warranty is void if product not used according to instructions, serial number is illegible, unauthorized devices used, non-original parts used, tampered parts, customer/unauthorized third-party maintenance, or faults caused by atmospheric agents/power surges.
Excludes parts subject to wear (brushes, cutting blades, perimeter wire, pegs, belts, wheels, cables, connection cords), external parts without manufacturing defects, plastic discoloration.
Battery warranty limited to manufacturing defects in the first six months.
Motors have a 2-year warranty with a limit of 3000 working hours.
On-site support is not included; calls and hourly rates are charged to the customer if needed.

ZCS NEXTTECH LX2 - Page 38

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