ADS AJ12US Installation

http://www.adsequip.com/

Installation manual

of AJ12US dental chair

P/N:8021733 Version：C Date：2017-08-01

Installation manual of AJ12 US dental chair

Copyrights

ADS makes no warranty of any kind with regard to this
material , including but not limited to, the implied warranties
of merchantability and fitness for a particular purpose. ADS
shall not be held liable for any errors contained herein or any
consequential or other damages concerning furnishing,
performance or use of this material. The information in this
document is subject to change without notice . If you find
any problems in the documentation, please report them to us
in writing. ADS does not warrant that this document is error­free.
No part of this document may be copied, reproduced, altered,
or transmitted in any form or by any means, electronic or
mechanical, including photocopying, recording, or by any
information storage and retrieval system, without prior
written permission from ADS.
The document is intended to be used in conjunction with the
equipment.

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Please contact us if you have any feedback and opinions on
this document：
Add: 1590 S Milliken Ave., unit A, Ontario, CA 91761
Tel: [phone]
E-mail : [e-mail]
http://www.adsequip.com/

Product service

If you want to get service information, please contact the
local dealer authorized by ADS company.
Technical support tel: [phone]

Installation manual of AJ12 US dental chair

C O N T E N T S

1 Introduction………………………………………………………………1

1.1 Products information…………...………………………………1

1.2 Symbols explanation……………………………………………1

2 Composition………………………………………………………………3
3 Parameters……………………………………………………………4

3.1 Specifications……………………………………………………4

3.2 Size…….....…………… … …………… … … … …………… 4

4 Preparations………………………………………………………………5

4.1 Attentions………………………………………………………5

4.2 Tools recommended………………..…………….…………….6

4.3 Installation requirements………………………………………..7

5 Installation………………………………………………………… 7

5.1 Place the chair ...…………………………………………………7

5.2 Fix the chair………………………………………………………8

5.3 Install the backrest………………………………………………9

5.4 Install the headrest ……………………………………………10

5.5 Install backrest upholstery…….....………………………………11

5.6 Install seat upholstery………………………………………12

6 Operations……………………………………………………………13

6.1 Power………….…………………………………………………13

6.2 Chair positioning………………………………………… 14

6.2.1 Operate by foot control……………………………………14

6.2.2 Initial settings of the chair…………………………………14

6.2.3 Initial setting description....……………….....……………...…15

6.2.4 Chair positions description….…………………………….…..16

6.3 Dual articulating headrest……………….……………………17

7 Regulation & maintenance…………………………………………19

7.1 Remove the upholstery …………….……………………19

8 Reserved lines ……………………………………………………21
9 Upholstery Maintenance Instruction ……………………………22

10 Connecting diagrams………...........…………………………………23

Installation manual of AJ12 US dental chair

1 Introduction

1.1 Product information

•Name：Dental chair

•Model：AJ12US

•Working conditions：

① Ambient temperature：5 ℃～40 ℃；
② Relative humidity：≤ 80％；
③ Air pressure：86 kPa～106 kPa；
④ Nominal voltage：AC110 V±22 V；
⑤ Nominal frequency：60 Hz±1 Hz；

1.2 Symbols explanation

Table 1

Symbol

Manufacturer EU representative

Producing date Serial number.

Explanation

Place with care Keep dry

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Installation manual of AJ12 US dental chair

Symbol Explanation

Refer to attached document Notice

Avoid electric shock Backrest Down

Ground protection Backrest Up

0

Original position

P

Set

Spitting position

Program Chair Position 1

Chair Down

Chair Up

Program Chair Position 2 Program Chair Position 3

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Installation manual of AJ12 US dental chair

2 Composition

AJ12US dental chair （figure 1）combined with new design concepts ，
provide a good balance for usability ,simplicity and comfortability.

Figure 1 AJ12 US Dental Chair

1 2 4

3

6 7 5

Item Component Item

1 Headrest 5 Foot control
2 Backrest 6 Lifting arm
3 Armrest 7 Junction box
4 Seat

3

Component

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Installation manual of AJ12 US dental chair

3 Paremeters

3.1 Specifications

Load bearing

Patient bearing：Max 135kg

Tip: Specifications are subject to change without notice.

3.2 Size (unit: mm)

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Installation manual of AJ12 US dental chair

4 Preparations

4.1 Attentions

Before install the unit, you should:

• Clear all the debris in the room ，and clean the floor thoroughly.

• Apply two manually operated valves for the air and water source.

• Exhaust the dirty water and air before connecting.

• May have no necessity to use all the component described in this document when

installing. Components should be evaluated before installation.

Before install the unit, please read the manual carefully:

• Input voltage AC110 V ,60 Hz.

• Make sure the dental unit is in good grounding .

• All the electrical components and connections should be made by an authorized

technician.

• Only fuse and accessories recognized by ADS technician can be used.

• This device should not operate in the environment of high temperature, high

humidity, vibration ,flammability, unbalance, or dusty.

• Only the authorized spare parts can be used in this device.

• This dental unit should not come into contact with any object in its operational range

of movement.

• This device can not be used in the environment of strong magnetic, electromagnetic.

Leather maintenance：

• 1、No organic solvent or alkaline detergent （such as: gasoline、alcohol ,etc.), or
the leather will crack, be smelly or fade;

• 2、No exposure, keep the room in good ventilation（exposure can cause the leather
crack，bad ventilation lead to go mouldy）；

• 3、Mention the patient to remove edged tools(like keys)before operation，to avoid
scratch the leather.

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Installation manual of AJ12 US dental chair

Electrical drill

Pincers

Hammer

Scissors

Leveling
instrument

Flat
Screw driver

Phillip screw

driver

Allen wrench

Spanner

4.2 Tools recommended

The tools and instruments need to prepare before installation.

Hexagon

wrench

-bladed

socket

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4.3 Installation requirements

Note：Sizes above are the minimun that required.

5 Installation

5.1 Place the chair

1. Remove all debris and cardboards

around the chair.

2. Hold the handrail and the front of the

frame, uplift the chair and place the
chair on the right place.

3. Remove binding belt and packages.

Holds

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5.2 Fix the chair

Attentions:

1.The chair must be fixed on the floor for ensuring stability,
for it can be seriously damaged by wrong fixation.

2.Check out the material of the floor on the installing place.
Please contact the authorized contractor to thickening the

floor if its thickness is less than 82 mm.

1、Power on and activate the unit.
2、Step the button on foot control ,

raise the unit.

3、Unit switched off and power

disconnected.

4、Remove the cover and mark the installing position , then move the unit away.

Drill on the marked position, press the explosive bolt, then return the unit to its

position and tighten the screw.

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Installation manual of AJ12 US dental chair

5.3 Install the backrest

Figure 2

1

2.3.4

1 Metal backrest

2 M10*45 Hexagon socket cap screw

3 Φ10 Spring washer

4 Φ10 Plain washer

Fix the backrest on the chair frame wth three M10*45 screws.

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Installation manual of AJ12 US dental chair

5.4 Install the headrest

Figure 3

Adjustment nut

Install the headrest

1. Push the headrest glidebar into the slot of the backrest.

2. Adjust the nut to get proper damping force.
3、Fix the upholstery to the headrest bottom plate.

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Installation manual of AJ12 US dental chair

5.5 Install backrest upholstery

Figure 4

1

2 3

1、Metal backrest 2、Fixing shaft 3、Backrest upholstery

When installing the upholstery, you should put the upholstery on
the backrest with the shaft head pass through corresponding
keyholes of the upholstery, then push the upholstery in force till
it’s fixed.

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Installation manual of AJ12 US dental chair

5.6 Install the seat upholstery

Figure5

A: M6*16Hexagon socket
pan head bolt group

Install the seat upholstery

Put the upholstery onto the chair frame, let the chair frame get stuck in the
grabs that on the rear bottom of the upholstery, and fix the upholstery by
two M6*16 screws.

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A

Installation manual of AJ12 US dental chair

6 Operations

6.1 Power

The power switch of the power box controls power supplying of the dental

chair and its delivery system.

Switch on and you can get the power，switch off for not using in a
long term, or before maintenance .

Figure 6

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6.2 Chair positioning

You can operate the chair manually or by foot control.

6.2.1 Operate by foot control

Raise or low the chair by pressing base up/down button , step on the
up/ down arrow on the foot control till the chair is in best position.
Move the backrest by pressing backrest up/down button , step on the
left/right arrow till the chair is in best position .

Figure 7

0

1

2

P

LP

Original position

Program Chair

Position 1

Program Chair

Position 2

Set

Spitting position

Backrest down

Backrest up

14

Chair up

Chair down

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Installation manual of AJ12 US dental chair

6.2.2 Initial settings of the chair

Electric motor system initial settings specification:

Press the “O” button on the main control panel of dentist unit to descend the
chair motor till the lower limit switch is triggered, raise the backrest motor till
the higher limit switch is triggered. System initialize automatically ,it can be
normally performed after initialization finished .

Caution: Electric motor system shall have the initial settings
in following situations.

.First installation.
.Motor replacement.

.Main board replacement.
.Limit switch readjustment or replacement.
.Abnormal movement .

6.2.3 Settings of programming memory position

Process or or

• Move the chair and backrest to the working position, and adjust dental light
to the desired condition ( On or Off), press the “P” button（3s），the
indicator light is on (beep 1 time）,（ loose button so as not to enter the

original setting state），enters the setup procedure.

• Press the “P1” button ， and then press the “P “button one time
again,(beep1-2times)， setup finished and escape the setup

procedure.

• P2, P3 position setup are same step as the P1.

P

P

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6.2.4 Chair positions description

a. Backrest Up

Press this button continuously and the backrest will move upwards. When the backrest

reach the desired position, stop pressing the button and the backrest will stop
immediately.

b. Backrest Down

Press this button continuously and the backrest will move downwards. When the
backrest reach the desired position, stop pressing the button and the backrest will stop
immediately.

c. Chair up

Press this button continuously and the chair will move upwards. When the backrest
reach the desired position, stop pressing the button and the backrest will stop
immediately.

NOTE: If you press the button continuously, when the chair backrest

reach the limit position, it will automatically stop the movement.

NOTE: If you press the button continuously, when the chair backrest

reach the limit position, it will automatically stop the movement.

d. Chair down

Press this button continuously and the chair will move downwards. When the backrest
reach the desired position, stop pressing the button and the backrest will stop
immediately.

NOTE: If you press the button continuously, when the chair backrest

reach the limit position, it will automatically stop the movement.

NOTE: If you press the button continuously, when the chair backrest

reach the limit position, it will automatically stop the movement.

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e. Original position

Press the button, the chair and backrest will move to the original position
automatically(Original position : backrest highest , the chair lowest) and light off . Press
this button again , the chair returns to former position and light on. The chair shall stop at
a new position by halfway stop.

f. Spitting button

Press the button, the chair and backrest will move to spitting position
automatically(Spitting position : backrest highest , the chair is still) and light off . Press
this button again , the chair returns to former position and light on. The chair shall stop at
a new position by halfway stop.

0

6.3 Dual articulating headrest

Figure 9 Headrest adjustment

A

B
C

NOTE:

Please fix the headrest after adjustment to avoid patient’s head not

being settled.

A Headrest
B Lock knob
C Glidebar

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Figure 10 Fix the headrest for a wheelchair

Fix the headrest for a wheelchair：

1. Backrest of the dental chair is fully raised.

2. After reposition the headrest ,raise or descend the chair to adjust
heights. Patient's position should also be adjusted to put the

wheelchair and dental chair back to back together.

3. Make sure the wheelchair is locked.

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7 Regulation & maintenance

7.1 Remove the upholstery

The special design of upholstery is easy to remove and replace .They
are installed on backrest, seat and headrest of the chair .

Backrest upholstery

To take off the upholstery from backrest ，you should hold the bottom
edge of gasket firmly and lift it up (1 inch or 25 mm) ，then lift the
upholstery from the backrest of the chair ( Figure15).
To reinstall the upholstery，you can put the keyhole of gasket on nail
head, then push till the gasket is fixed.

Figure 15 Remove the backrest upholstery

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Seat upholstery

Loose the screw at the front end of the upholstery, push the upholstery
forward，then remove the seat upholstery.

Figure 16 Remove the seat upholstery

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8 Reserved lines

A

Control wire for delivery head

24V power cord for dental light

Ground wire for delivery head

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Swing Type

A B C

A

C

16

17

18

1
2

3

4
5
6
7
8

9
10
11

12

13
14

15

1. 1/8" white ， reserved for dentist unit

2. 1/8" brown，reserved for dentist unit

3. 1/8" red, reserved for dentist unit

4. 1/8" orange, reserved for dentist unit

5. 1/8" black, reserved for dentist unit

6. 1/8" blue，reserved for dentist unit

7. 1/8" yellow，reserved for dentist unit

8. 1/8" green，reserved for dentist unit

9. 1/4" black，reserved for dentist unit

10. 1/4" blue，reserved for dentist unit

11. 1/4" red，reserved for dentist unit

12. Control wire for delivery head

13. 7 core power cord for delivery head

14. 24V power cord for dental light

15. Ground wire for delivery head

16. 1/4" green, reservd for assistant's control

17. 1/4" yellow, reservd for assistant's control

18. Control wire for assistant control
B. Drainage pipe

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9 Upholstery Maintenance Instruction

The upholstery provides users unparalleled comfort, excellent aesthetics and
reliable quality. The upholstery has a one-year warranty on defective materials and
workmanship. This instruction ensures a longer life of the upholstery if it is properly
maintained.

Cleaning

Users can clean the upholstery with mild solution, non-ionic detergent, water or

cleaners without alcohol, bleach or ammonia. Do not use abrasive cleansers or
tools which can permanently damage the surface of upholstery.

Disinfection
The dental system suggests disinfecting the leather once a month with a 3%
hydrogen peroxide solution, leather cleaner or 3% muti-enzyme cleaner based on
its instruction to ensure effective disinfection, and then fully wipe it with water.

Caution:
Do not disinfect the upholstery with alcohol, potentiated glutaraldehyde

disinfectant, liquid bleach, Benzammonium bromide (Benzalkonium chloride)
disinfectant, Benzoyl chloride ammonium propanol disinfectant or any kind
of acid and alkaline disinfectants which will lead to the aging, cracking or color

difference of the upholstery. If the improper material is used and the upholstery is
damaged, such as leather cracking or aging and color difference, this warranty
becomes void.

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10 Connecting diagrams

Connecting diagram（Electric system）

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We reserve the right to make any alterations which may be due to technical
improvements.

ADS Dental System Inc.

Add: 1590 S Milliken Ave., unit A, Ontario, CA 91761
Tel: [phone]
E-mail: [e-mail]
http://www.adsequip.com/