swemed A3 Electric Wheelchair User Manual

ELECTRIC WHEELCHAIR

Item No. A3

User Manual

Before using this product, read this manual carefully and save for future reference

Preface

Please read the user manual carefully before taking the product into use.

• This manual contains operations, assembly methods, and simple faults solutions.
• This manual applies to our models: JRWD301.
• This manual contains wheelchair maintenance and self checking methods, please put it in proper place.
• Please provide this manual for reference when other people are going to use this wheelchair.
• The annotations and illustrations in this manual might be slightly different with the real parts due to quality improvement or changing design. Please in kind prevail.
• Contact with your dealer if there is any ambiguity or question.
• Improper use of any vehicle may lead to injury. Unsafe driving could harm yourselves and others.
• The electric wheelchair is intended to comfortably transport persons with walking difficulties or no walking abilities.
• This electric wheelchair is designed to transport 1 person only.

Symbols used in this manual

Warning symbol
Follow the instructions next to this symbol closely.
Not paying careful attention to these instructions could result in physical injury or damage to the wheelchair or the environment.

1 Product Introduction

1.1 Product Image

1. Motor
2. Battery
3. Castor
4. Footplate
5. Footrest
6. Controller
7. Backrest
8. Armrest
9. Parking Brake
10. Rear Tire
11. Clutch
12. Front Tire

1.2 Product Information

Performance Parameters

Main technical data|

A3

---|---
Overall size|

1090685930mm

|

Folded size

|

805420730mm

Seat size |

450*430mm

|

N.W.

|

46kg

Height between seat and footplate|

515/480/465mm

|

Height between footplate and ground

|

100/70/50mm

Armrest height|

230mm

|

Backrest height

|

395mm

Max loading weight|

100kg

|

Front wheel diameter

|

8 inch

Rear wheel diameter|

22 inch

|

Battery (*2pcs)

|

12V 20AH

Motor (*2pcs)|

250W

|

Battery charger

|

AC 220 (110V) ±10% 50-60HZ

Controller|

35A

|

Max driving distance

|

20km

Degree of protection|

IPX3

|

Max safe slope

|

6°

Turning radium|

≤1.2m

|

Static stability

|

9°

Reversing width|

1.4m

|

Climbing angle

|

6°

Tire pressure|

2Kgf/m²

|

Obstacle climbing

|

40mm

Ground clearance|

100mm

| |

Product Performance
This series of electric wheelchairs are powered by battery, driven by DC motor. Users control direction and adjust speed by joystick controller. It is suitable for application of low speed, good road condition and small slope. Main Structure
This series of electric wheelchairs are mainly composed of two parts:

1. Frame Part: frame, wheel, footrest, armrest, backrest etc.
2. Electrical Part: controller, motor, battery.
   Application Range
   Our electric wheelchair is for disabled and elderly people (less than 100kg) using as walking vehicle, suitable for outdoor middle distance use. Do not run on the motorways.

2 Safety Instructions

2.1 Driving Notice

General Driving Cautions

• Please keep your hands on the armrest to control the wheelchair.

• Please practice in parks or other safe open places until you can use the wheelchair skillfully.

• Fully practice driving in a safe place, to master principle of moving forward, stopping and turning circles.

• Before driving to the road, please be accompanied by caregivers and confirm it is safe.

• Please strictly follow traffic rules of the pedestrian, do not regard yourself as vehicle driver.

• Please drive on the sidewalk and the zebra crossing. Do not drive on vehicle lane.

• Steadily drive, to avoid driving in `Z’ line or sharp turn.

• Please keep pressure of pneumatic tire properly, the abnormal tire pressure may cause unsteady driving or excessive lost of current.
  Accompanied by Caregivers or Avoid Driving in These Conditions

• Drive in bad weather, such as rainy day, heavy fog, strong wind, snow, etc.

• In case of wheelchair is wet out, wipe the water immediately.

• Drive on the bad road condition, such as muddy, trail, sand road, gravel, etc.

• Drive on crowed road.

• Drive on no fence side ditch, pond, etc.

• Across the railway.

• When you have to across railway, pause at turnoff to confirm it is safe, and make sure that the tires will not be stuck by railway.

• The electric wheelchair is only for personal use, do not carry people or goods, and do not for a traction purposes.
  Precautions for Uphill and Downhill

• Avoid driving on following places: steep hills, tilt places, high steps, channels etc.

• Avoid driving on steep slopes, the slope range should be less than 9 degrees. Please carefully operate the controller when drive on slopes.

• Keep moving forward during uphill or downhill.

• Slow down speed during downhill.

• Avoid driving sideways on the steep.

• Forbid driving on the stairs place and avoid crossing high steps.

• Avoid crossing wide ditches.

• During crossing ditches, keep 90° angel between tires and the ditches.
  Do not set the wheelchair to manual mode during uphill and downhill.
  When the wheelchair is malfunction at traffic crossing, please immediately ask passerby for help. And set wheelchair to manual mode, then push wheelchair to leave the scene, or user to get away from the site to a safe place immediately.
  Precautions for the Caregivers

• Caregivers should confirm that the users’ feet are on the footrests’ proper position and ensure clothes do not attach to the wheels.

• Caregivers should push the wheelchair to move forward to keep safe on steep slope or long slope.

2.2 Other Notice

Repair and Reform
If the repair and modification is necessary, please contact your dealer. Do not modify by yourself, it may lead to accident or malfunction.
Protect Environment
In order to protect environment, do not casually discard the abandoned wheelchair and scrapped battery. Please contact your local dealer for replacement of new battery.
Keep the Storage Environment Dry
Do not storage wheelchair in damp condition, such as near-by bath room. If wheelchair got wet in the rain, wipe the water immediately.

Do not replace parts or material randomly.
Do not add weight randomly, in case to cause imbalance.
Do not use other vehicle to pull or push the wheelchair when somebody sits on the wheelchair or the wheelchair is in manual mode.
When there is abnormal sound, contact service immediately.
Service Lifetime
The service lifetime is 5 years from date of manufacture. User should do not overuse more than service lifetime in case of unpredictable accident.
Protection from Electromagnetic Interference
The wheelchair should away from strong magnetic fields and large inductive electrical equipment, such as radio station, TV station, underground radio station, cell phone transmitting radio station. Pay attention to that if there are sources of electromagnetic interference nearby, as far as away from those sources to avoid electromagnetic interference. The electric wheelchair should avoid electromagnetic interference.

3 Adjustment of Wheelchair

Fold Wheelchair
First step: Take off the battery and unplug the red plug (picture 1-a);
Second step: Pull the joint switch backward, meanwhile back off the handle (picture 1-b and 1-c);
Third step: Lift up the cushion strongly by hands, fold wheelchair (picture 1-d).

Picture 1

Unfold Wheelchair
When the wheelchair in a semi-stretched state, turn up both side handle to hear a click sound, and check there’s no shaking.
Connect Wire Line
Connect the battery box’s plug to controller’s plug (picture 2).

Picture 2

Adjustment of Joystick
Adjust the controller to perfect position by screwing the nut counterclockwise (picture 3). Screw tight the nut when adjustment is done.

Picture 3

Assemble and Dissemble the Footrest
Install the footrest into the frame tube, and move from outside to medial to the fixed position; For disassemble, push the plastic part to outside then lift up footrest (picture 4).

Picture 4

Adjustment of Castor
Adjust castor angle by unscrew the nut (picture 5).

Picture 5                             Picture 6

Use of Hand Parking Brakes
Push hard the manual brake forward to stop the rear wheel, then the wheelchair stop moving. Release the handbrake, wheelchairs will be back to normal driving status. The users can select manual mode or power mode according to their needs (picture 6).

Switch between Manual Mode and Electric Mode
Manual mode: turn off power and brake the wheelchair first, pull the clutch (red part) out of the groove and spin 45°. ( Picture 7-1)
Electric mode: spin the clutch (red part) and put it back to groove, lightly push the wheelchair to hear a click sound. ( Picture 7-2)

Picture 7-1                      Picture 7-2

When changing from manual mode to electric mode, please confirm both side clutches are inside the grooves. Any side clutch is not fully into groove, may cause danger of rollover. Do not make wheelchair into manual mode when user is driving on slopes.

4 Battery and Charger

4.1 Charger Requirements

The charger is used for battery charging. During electric wheelchair is charging, do not use it.
Charger Technical Data
Input voltage: AC 220V (110V) ±10%   Output voltage: 24V/DC   Output current: 4A

Do not stop charging until charge process is finished. Repeat using the battery which is not fully charged will shorten the battery life, so the battery should be fully charged as much as possible. When battery is fully charged, the power indicator will turn to green. Do not stop charging before fully charged.
After finish charging, turn off the power supply, otherwise the battery will discharge slowly. Do not charge more than 24 hours. Over-charging is dangerous.

Users should follow the following rules to avoid charging dangers:
The electric wheelchair doesn’t include the charger, please use national standard charger that the output voltage is 24V/DC 4A.
It should be well ventilated when charging. Do not expose the wheelchair to sunlight and humid environment.
The charging environment temperature range is from 10ºC to 50ºC. If it is out of the environment temperature range, the battery is unable to function well, and can easily make battery damaged. It’s normal for the fan making a sound during charging. It is for cooling the charger, please do not worry about it.
Prevent liquid go into the charger during charging. And do not place charger on the flammable items, such as: fuel, footrest or seat cushion.

4.2 The Usage and Maintenance of Battery

Wrong operation of replacing battery may cause danger of explosion. Only the same or recommended type of battery is suitable for replacement. And please make sure the battery poles are correct. Key points for prolong the battery life: charge frequently, to keep battery power full. It’s better to fully charge the battery if the wheelchair is not being used. If stop using for a long time, it’s better to charge twice per month.

Please stay away from the flames when charging the battery. The flames may cause battery fire or explosion.
Charging makes hydrogen, do not smoke while charging.
Do not unplug the power supply when the socket or your hands are wet, it may cause electric shock. In case of unpredictable accident will happen and hurt the user, do not use or sit on the electric wheelchair when charging.

5 System Diagnose

When the indicator LED lights are blinking, it means the wheelchair has abnormalities. The abnormalities may occur in following parts: motors, brakes, battery, wire connections, etc. Through the product’s inner information consultation, the property of the abnormal condition can be detected by the diagnosis signal. The abnormal situation can be detected without other service tools.

Audio Signal Indication

Description of LED light| The meaning of LED light| Explanation & Solution
---|---|---
All LED lights are unlit with no sound| The power is off, wheelchair in standby or sleep mode. Power is poor contacted. Fuse is tripping or burned out.|
All LED lights are lit| The power is turned on, and self diagnose is passed, the electric wheelchair can work well.| Less LED lights lit, less battery power remaining.
The leftmost red LED light is lit| The battery power is extremely inadequate.| To charge immediately. Or battery is malfunction, and is not able to charge.
Two short beeps with five indicator lights blink twice| The left side motor is malfunction.| The left side motor is poor connected or the wire is disconnected.
Four short beeps with five indicator lights blink four times| The right side motor is malfunction.| The right side motor is poor connected or the wire is disconnected.
Six short beeps with five indicator lights blink six times| Controller is in over-current protection status.| Check the brakes, and check if the motor drive mechanism is stuck.

Check the current by ammeter, if it is not excessive current, maybe the controller is malfunction.

Seven short beeps with five indicator lights blink seven times | Joystick is malfunction| Joystick doesn’t reset, or the connector is loose.
Eight short beeps with five indicator lights blink eight times| Controller is malfunction.| Please consult your dealer for maintenance.
Nine short beeps with five indicator lights blink nine times| Controller is malfunction.| Please consult service center for maintenance.

6 Controller

6.1 Controller Panel

1. Battery Power Gauge
2. Horn Button
3. Max Speed Increase
4. Max Speed Decrease
5. Speed
6. Power On/off

6.2 Controller Usage

Power Switch

Press this button, the battery power gauge lights will turn on from left to right. Press again, all the LED lights are off.

In some emergency, you can directly turn off power by press power button. Sleep Mode
If the joystick has no operation more than 20 minutes, the power turn off automatically, and the system in the sleep mode, system will be woke up from sleep mode by press power button. Speed adjustment
According to user’s habits and the circumstances, the wheelchair driving speed is adjustable. Adjust speed by press decrease button or increase button.

**** Speed is divided into five sections, ranged by 20%, 40%, 60%, 80%, 100% of the max speed.
First gear of speed: 20% of the max speed.
Fifth gear of speed: 100% of the max speed.

**Horn Button

**Press the horn button, the horn will sounds until you release the button.

**Battery Power Gauge

After turn on the power, the battery power gauge is working. The battery power gauge also shows the battery remaining power capacity.
As the picture shown, the battery power is full.
When there is only the red or yellow LED light lit, the battery should be charged. And for a long distance driving, the battery should be fully charged. If only the red LED light is lit, the battery power is extremely inadequate, users need to charge battery as soon as possible.

Use of joystick

The wheelchair moving direction is controlled by joystick. The moving extent of joystick also controls the moving speed.

Please turn on or turn off the power when the joystick is in the middle position.
Otherwise the controller will let out wrong operation signal.
Release the joystick to middle, this mistake will stop. If the mistake is still continuing, perhaps this part is malfunction, do not use it and contact with your dealer for maintenance.

7 Maintenance

Maintenance of wheelchair includes clean wheelchair, check wheel and battery, and charge battery. For further maintenance please contact with your dealer. Our suggestion is checking the wheelchair every half year, annually overhaul.

7.1 Clean and Battery Maintenance

Clean Wheelchair
Please clean the wheelchair regularly.
Clean the parts which are frequently touched with user’s body (such as set cushion, armrest, controller) by a clean and slight wet cloth. Do not use organic solvents to clean. If it is a patient user, the wheelchair should be cleaned once per week. If the wheelchair is used by an infectious victim, it should be cleaned and disinfected by disinfectants.

Wheels
Check the tires’ air pressure and their wear condition regularly. When the tire tread pattern depth reduce to 1mm, please replace new tire.

Battery
To make sure that the battery is fully charged frequently. In order to prolong battery life, we strongly recommend users do not to charge until battery run out of power totally.

7.2 Wheelchair Malfunction and Checking

When malfunctions happen during the wheelchair is working, please turn off the power before check.
Symptom: completely lose power, and all the LED lights on the controller panel are off.
Check Step:
Step 1: To check if the controller’s plug is loose.
Step 2: To check if the connection of controller’s plug and battery box is loose. Please reinsert the plug connector (hold the plug when pull out the plug. Do not pull the wire to avoid unnecessary damage to the wire line). After above checking, if the wheelchair is still not able to restore the power, or if users have any question for above checking, please connect with your dealer.

The controller has a diagnosing system to monitor the controller and motor. Any malfunction of these parts is indicated by the controller. For more details please kindly refer to chapter of audio signal indication.

7.3 Maintenance Checking

The following is a checking list, electric wheelchair should be ordinal checked according to our suggestion. When you get on or get off the wheelchair, some self checking is done automatically. For more your attention, we particularly list these self-checking items in A area.

A area| Before use, please check if following parts are correct:

1.Backrest
2.Armrest
3.Controller position
4.Footrest
5.battery power
6.Clutch/adjusting lever for conversion between manual mode and electric mode

---|---
B area| Check the following parts monthly, to avoid original parts loosing or wearing

1. Screws
2. Brakes
3. Clutch/adjusting lever for conversion between manual mode and electric mode
4. The front and rear wheels and their tread pattern depth
5. Connectors’ of controller and charger

C area| For safety, semiannual overall maintenance is needed.

8 Warranty issues

Warranty contents
We elaborately design this wheelchair for you. If there are improper materials or manufacturing, we provide free repair and lifetime maintenance according to the time and conditions in warranty cards.

Warranty does not cover in these conditions
Subjective impression, no function problems.
Usage and aging loss coating and plating surface, nature fade of resins, etc).

Maintenance are not applicable when following happens Don’t regularly check our specified issues.
Improper or wrong maintenance.
Different operation with our manual or overload
Unauthorized modifications
External factor such as: soot, pharmaceuticals, bird droppings, acid rain, flying stone, metal powder, etc.
Natural disasters such as: typhoons, floods, fires, earthquakes etc.

The following fees are not covered
Replacement of consumables material such as tire, fuse, plastic parts, glass parts, lubricates etc.
Fees for Inspection, adjustment , add oil, cleaning , etc.
Fees for regularly check that specified by our factory.
Unauthorized modifications
Out authorized service centers maintain costs.

Customers pay attention following cautions
In order to make the warranty is valid, customers have obligation to follow below cautions:
Correctly testing and driving the power wheelchair as manual instructions.
Daily checking.
Implementing the check tips according to our suggestion.

Warranty acceptable
If warranty is needed, please take the power wheelchair and show the after sales service card to our service center for the warranty service. If the user can’t provide the after sales service card the service is not provided.

Protect environment
In order to protect environment, every damaged or scraped part of power wheelchair should be backed to our factory or handed over to State Department disposed, do not threw randomly.

Warranty valid
The after sales service card is valid from stamped date.
This product warranty 1 year under normal operating conditions.
Consumable parts such as: battery set cushion, tires, side board, armrest cushion etcare not under warranty range.

During the warranty period, the maintenance is free. Over the warranty period the maintenance should be charged, the exactly charge fees please consult the service center.

9 Others

Condition for Transport and Storage
During transport and storage, the electric wheelchair should be correctly placed as labeled indication.

• Transportation should be avoided moisture and sunlight and away from heat resource.

• In case of electric parts are damaged due to damp, please avoid storing the wheelchair in rain, outdoor and moisture.

• Storage condition:
  • Environment temperature -40°C~+55°C;
  • Relative humidity≤80%;
  • Air Pressure 86kPa~106kPa.

• Classified according to the type of protection electric shock: Internal power.

• Classified according to the type of protection against electric shock: Type B application.

• Classified according to the degree of inlet liquid protection: IPX3.

• Classified according to the safety of use in a flammable anesthetic mixture with air or gas mixed with oxygen or nitrous oxide flammable anesthetic gases occurs: Non AP/APG type.

• Classified according to operation mode: Continuous operation.

• Rating voltage: DC.24V.

• Have no protective effect on the application of defibrillator discharge section.

• No signal output or input part.

• Non-permanently installed equipment.

Instructions for Battery Installing

Step 1:
Unscrew the screw which in the battery box, and remove the cover, lye the box, put the battery into the box one by one

Step 2:
Connect the red wire in the box to battery’s red pole (positive pole)

Step 3:
Connect the black wire in the box to battery’s blue pole (cathode)

Step 4:
Connect one battery’s red pole (positive pole) to another battery’s blue pole (cathode pole) by the single red wire

Step 5:
Close the box, screw the battery box. The battery box installation is done

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