AG-VA Manual

TECHINICAL SPECIFICATIONS DOCUMENT 

Last updated 08/25/2015
RELEASE

INSTRUCTIONS

DISCLAIMER

 Thank you for purchasing HSE Unmanned Sprayer System. This equipment has sophisticated

 controls and any error may lead to damage of property or personal injury. HSE shall not be

held liable for any direct or indirect consequences arising due to use of this equipment. In order to

ensure safety, read manual and related documents carefully before operation or contact your local

dealer. Not suitable for ages below 18.

WARNING

 1. Please keep the equipment outside the reach of children

 2. Ensure that aircraft is flown away from the crowds and dangerous goods; we recommend that you fly in a

private property with proper permissions

 3. Do operate under intoxication, poor state of mind, fatigue or mental conditions

 4. Always operate in strict accordance with the operating manual operation

 5. Before the flight, make sure the power supply system and other functional modules are connected properly,

loose connections may cause damage to the equipment or accidents

 6. Perform Remote control channel calibration, firmware upgrade, and parameter settings, before calibrating ESC

turn off the power or remove the propeller to prevent the motor suddenly high speed rotation.

 7. Do not fly in harsh conditions

 8. Do not change the structure of the equipment; any modification may lead to accidents or damage.

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INTRODUCTION

HSE AG-VA series of multi-rotor UAV is HSE product line specifically developed for the agricultural use, mainly for

pesticide spraying to provide cost efficient real time solutions. The AG-VA series is available in three different models 

according to different load capacity: V6A, V8A, V6A+ PRO, with a maximum load up to 20Kg. The HSE UAV body is build 

with complete carbon fiber materials to extend durability, high power brushless motors to ensure the aircraft s

maneuverability, and the option of lithium polymer battery as a power system to facilitate easy maintenance and

repair of aircraft systems. Selected HSE systems are equipped with dual redundant control system to ensure safe and

reliable vehicle stability. The HSE systems are the result of several years of development and extensive testing.

FIGURE: V8A

FIGURE: V6A

FIGURE: V6A+ v2

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TECHNICAL RATING

MaxPayload

Spray Rate

Adjustable

Speed Use average

of 5~6 m/s

Op mal Height

From plant height

V6A

6

900~1100

0~15.0

0.5~3.0

3~4

≥0.8

1

1160

545

7.5

3x 16,000 mAh

2x 10,000 mAh

4

T15~40

V8A

10

1400~1600

0~15.0

0.5~3.0

4~5

≥1.2

1

1360

515

10.7

4x 22,000 mAh

3x 10,000 mAh

6

T15~40

V6A+ v2

20

1400~1600

0~15.0

0.5~3.0

4.5~5.5

≥1.9

1

1580

565

14.2

4x 22,000 mAh

4x 16,000 mAh

6

T15~40





UNITS

L

ml/min

m/s

m

m

hm2 

km

mm

mm

kg

22.2V

22.2V

Number

°C

For models after 8 June 2015

Requirements and

Performance may vary during

actual use

th

Spraying Swath

Coverage Area

Control Range

Upgradable

Diagonal

Wheelbase

Height may vary

Weight without

Load, may vary

Max Ba ttery only 

use as necessary

Minimum

Battery

Nozzles

Temperature

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THE HARDWARE

No

1

2

3

4

5

6

7

8

9

Part

Motor

Propeller

Motor Mount

GPS Antenna

Dome

Folding Arms

Support Rod

Nozzle

Sprayer Pipe

No

10

11

12

13

14

15

16

17

18

Part

Pump Interface

Tank

Pump

Landing Gear

GPS Holder

Top Plate

On Board Electronics

Bottom Plate

Landing Gear Vertical

 Support

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ASSEMBLY REFERENCE

Major system components are preinstalled at the factory. Do not modify any components, follow

the below steps carefully. Contact your local dealer in case of any queries.

GPS MODULE

The GPS antennas are unscrewed for packing. Tighten the base of the antennas to fix them at

upright position. Arrows on the GPS must face away from the aircraft towards the forward direction. 

MOTOR ARMS

Use M4

position.

42 screw to tight the bottom of the arm. Use the top clip to lock arm in horizontal

Clip

Wires

Arm

Completed Setup

M4x42 Screw

1T1 Arms

PROPELLER

Place propellers at the center of the motors. Propellers labeled M1, M3, M5, M7 are

Counter clockwise; and M2, M4, M6, M8 are clockwise.

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1T2 Propeller

Use two M3x14 screws and washer to tighten propeller on to the motor.

 M3x14 Screw

Propeller

Washer

Motor

1T3 Propeller Installation

SPRAYER

First, connect the supporting rods and holder into place as shown in Fig 1T4. 1T4 Sprayer

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One end of the 5mmx8mmtube is connected to the pump outlet as shown in Fig 1T5 and the

other end is connected to the nozzle. Use push in button on the nozzle to connect and disconnect the

tube, as shown in Fig 1T6. 

1T5 Sprayer tube connection

1T6 Sprayer to nozzle connection

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BASICS 

BATTERY CHARGING AND MAINTANENCE 

GENERAL TYPES 

LiPo – Lithium Polymer 

LiFe – Lithium Iron Phosphate 

Li ion – Lithium Ion 

NiCd – Nickel Cadmium 

MiMH – Nickel Metal Hydrate 

INDIVIDUAL CELL CUTOFF VOLTAGES 

TYPE 

LiPo

Li ion 

LiFe 

NiMH 

NiCd 

NOMINAL 

3.7 V 

3.6 V 

3.3 V 

1.2 V 

1.2 V 

STORAGE 

3.8 V 

3.8 V 

3.3 V 

1.4 V 

1.4 V 

DISCHARGE LIMIT CHARGE LIMIT 

4.2 V 

4.1 V 

3.6 V 

1.2 V 

1.4 V 

3.3 V 

2.75 V 

2.0 V 

1 V 

1 V 

OPERATION CUT OFF VOLTAGE FOR 22.2V BATTERY: 20.0V 

Do not operate below 20.0 V. Ground aircraft immediately if the battery level falls below 20.0V. 

Do not charge a 22.2V battery more than 25.2V 

Optimal charge top off for a 22.2V battery is 24.6V 

Dead cell voltage is 18.6V. Do not charge battery if voltage is below the dead cell voltage. 

Optimal charge rate for a 10,000 mAh battery is 0.5C 5A. Maximum recommended charge rate is 

1C. 

MAINTANENCE 

Do not use a new battery before charging 

Store in a cool dry place 

Optimal storage temperature is 25 degrees Celsius and humidity of 30 

CHARGING SAFETY PRECAUTIONS 

Charging area must be kept clean and tidy, the charger and the battery must be placed on the 

insulating panels without touching any other conductor 

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Positive and negative terminals cannot be reversed, always check the charger and the battery 

temperature 

While charging place both positive and negative terminals as far as possible, and well insulated 

While charging place batteries in explosion proof battery bag/containers 

Charging area must be well ventilated 

All power must be disconnected when unattended 

Read and follow Battery and Charger manual before/while using 

AUTOPILOT EQUIPMENT CONFIGURATION 

Refer to GEMINI Multi Rotor Autopilot Manual Attached below for setup and usage instructions. 

DO NOT SKIP. This aircraft is equipped with Zero UAV Gemini Autopilot 

Manual http://zerouav.com/en/support/

o Go to ZeroUAV website http://zerouav.com/en/support and download Android Ground Station 

software. 

o GCS must be installed to phone memory for proper working of the software. 

PC GCS 

o Go to ZeroUAV website http://zerouav.com/en/support 

o Unzip and use the .exe file. 

WIFI 

o Two modes of Wifi communication: ad hoc and router mode is supported. Factory default 

is set at ad hoc mode. The default SSID is ZEROTTECH Note: earlier models have default 

SSID 

o It is essential to keep the equipment connected to either GCS at all times, without which 

the warranty will not be applicable. While connected, the flight data is logged to YShj

folder in PC and Hj folder in phone. The files have an extension of hj and .hjext2

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ARMING / TAKE OFF PROCEDURE 

PRE ARM CHECK 

After installation, check the tightness of screws 

First power on Remote Control then the aircraft 

Connect to GCS Tablet/Phone Always keep GCS connected to aircraft

Make sure all the parameters are set right. Refer to Autopilot Manual

Check for any errors in 

 o Motor rotation 

 o Propeller installation 

 o IMU installation 

 o Connections and wiring 

Check for Motor Mixing 

FIGURE: PROPELLER DIRECTION FOR V8A 

FIGURE: PROPELLER DIRECTION FOR V6A AND V6A+ PRO 

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ARMING 

Arm motors 

Push the throttle stick within 5 seconds for takeoff. If throttle is not pushed after 5 seconds, the 

motor is automatically locked 

Check in GCS for any reported errors, if none continue; else land aircraft 

Always keep aircraft within line of sight 

Monitor battery voltage 

POST ARM TESTING 

Enter Auto hover mode and check status in GCS 

Gently push joysticks to check for aircraft, pitch, roll, heading angle. 

 o Look if aircraft movement trends are correct, if not enter settings to calibrate or check for errors 

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PACKAGING REFERENCE 

PRODUCT DESCRIPTION EXTERIOR QTY 

HSE AG-VA: Body, 

Motor, ESC, Tank Multirotor UAV 1 Set 

Propeller 20 in 8 or 6 Pcs 

Flight Controller Gemini 1 Set 

Data Link Agriculture Edition 1 Set 

WIFI WIFI Module 1 Pc 

Power Supply Agriculture Edition 1 Set 

Case Transport Case 1 

Pump Pesticide Pump 1 

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Nozzle Sprayer Head 4 or 6 

LiPo Battery 6S Optional

Warranty Period

Exclusive Warranty: The manufacture warrants that the Products purchased will be free from defects in materials and

workmanship at the date of purchase by the Purchaser.

 Motors are covered under warranty for a period of 5 months from the date of purchase 

 Other components are covered under warranty for a period of 12 months from the date of purchase 

 Batteries and Remote Control are not covered by HSE and maybe covered under warranty by their respective 

manufacturer 

 

Limited Warranty 

a This warranty is limited to the original Purchaser and is not transferable. REPAIR OR REPLACEMENT AS PROVIDED UNDER 

THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE PURCHASER. This warranty covers only those Products purchased from 

an authorized manufacture dealer. Third party transactions are not covered by this warranty. Proof of purchase is required

for warranty claims. Further, the manufacture reserves the right to change or modify this warranty without notice and 

disclaims all Other warranties, express or implied.

b Limitations THE MANUFACTURE MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT

NONTINFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCT. THE PURCHASER

ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL SUITABLY MEET THE REQUIREMENTS

OF THE PURCHASER S INTENDED USE.

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c Purchaser Remedy Manufacture sole obligation hereunder shall be that HSE and the manufacture will, at their option, 

repair or replace, any Product determined by the manufacture to be defective. In the event of a defect, these

are the Purchaser s exclusive remedies. The manufacture reserves the right to inspect any and all equipment

involved in a warranty claim. Repair or replacement decisions are at the sole discretion of HSE and/or the manufacture. 

This warranty does not cover cosmetic damage or damage due to acts of God, accident, misuse, abuse, negligence,

commercial use, or modification of or to any part of the Product. This warranty does not cover damage due to improper

installation, operation, maintenance, or attempted repair by anyone other than the manufacture. Return of any goods by

Purchaser must be approved in writing by the manufacture before shipment.

Damage Limits

THE MANUFACTURE SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR

PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCT, WHETHER SUCH CLAIM IS BASED IN

CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. Further, in no event shall the liability of the manufacture exceed 

the individual price of the Product on which liability is asserted. As the manufacture have no control over use, setup, final

assembly, modification or misuse, no liability shall be assumed nor accepted for any resulting damage or injury. By the act of

use, setup or assembly, the user accepts all resulting liability. If you as the Purchaser or user are not prepared to

accept the liability associated with the use of this Product, you are advised to return this Product

immediately in new and unused condi0on to the place of purchase.

Law: These Terms are governed by laws of the United States without regard to conflict of law

principals . 

Safety Precautions

This is a sophisticated Product and not a toy. It must be operated with caution and common 

sense and requires some basic mechanical ability. Failure to operate this Product in a safe and

responsible manner could result in injury or damage to the Product or other property. This Product is

not intended for use by children without direct adult supervision. The Product manual contains

instructions for safety, opera on and maintenance. It is essential to read and follow all the instructions

and warnings in the manual, prior to assembly, setup or use, in order to operate correctly and avoid

damage or injury. 

Questions, Assistance, and Repairs 

Your local hobby store and/or place of purchase cannot provide warranty support or repair. Once 

assembly, setup or use of the Product has been started, you must contact HSE directly. This will

enable HSE and the Manufacture to be able answer your questions and service you in the event that you may need any

assistance.

For questions or assistance, please direct your email to info@hse-uav.com

Inspection or Repairs 

If this Product needs to be inspected or repaired, please email for a Return Merchandise Authorization

RMA . Pack the Product securely using a shipping carton. Please note that original boxes may be

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included. Ship via a carrier that provides tracking and insurance for lost or damaged

parcels, as HSE and the Manufacture are not responsible for merchandise until it arrives and is accepted

at our facility. Your original sales receipt must also be included for warranty

consideration. Be sure your name, address and RMA number are clearly written on

the outside of the shipping carton.

Warranty Inspection and Repairs 

To receive warranty service, you must include your original sales receipt verifying the proof of

purchase date. Provided warranty condi4ons have been met your Product will be repaired or replaced

free of charge. Repair or replacement decisions are at the sole discretion of the Manufacture.

Non-Warranty Repairs Should your repair not be covered by warranty the repair will be completed and payment will

be required without notification or estimate of the expense unless the expense exceeds 50 of the

retail purchase cost. By submitting the item for repair you are agreeing to payment of the repair

without notification. Repair estimates are available upon request. You must include this request with

your repair. Non-warranty repair estimates will be billed a minimum of 1⁄2 hour of labor. In addition you

will be billed for return freight. Please advise us of your preferred method of payment. HSE accepts

money orders and cashiers checks as well as Visa, MasterCard, American Express, and Discover cards.

If you choose to pay by credit card, please include your credit card number and expiration date. Any

repair le unpaid or unclaimed after 90 days will be considered abandoned and will be disposed of

accordingly. 

Instructions for Disposal of WEEE by Users in the European Union

This product must not be disposed of with other waste. Instead, it is the user s responsibility to 

dispose of their waste equipment by handing it over to a designated collec8on point for the recycling

of waste electrical and electronic equipment. The separate collec6on and recycling of your waste

equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled

in a manner that protects human health and the environment. For more information about where you

can drop off your waste equipment for recycling, please contact your local city office, your household

waste disposal service or where you purchased the product. 

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