Treedental TR-KID-7 User manual

TR-KID-7 Children Dental Chair
Instructions For Use
Thank you for purchasing the dental
therapy unit produced by our company.
Please read this manual carefully for
making best use of all functions of this
product.
Please keep this manual for reference in
case of problem occurred to the dental
unit.
The manufacturing of this product conforms to
the 93/42/EEC instruction issued by EU.

CONTENIDO
I. Safety Information ……………………………………………………………………………………………1
II. Figures and Symbols ………………………………………………………………………….………………6
III. Matters of Concernment: …………………………………………………………..…………………………8
IV. Transportation and Storage ………………………………………………………………...…………………8
V. Brief Introduction to the Product …………………………………………………………………...………9
VI. Using Conditions …………………………………………………………………………………...………9
VII. Basic Parameters……………………………………………………………………………………………10
VIII. Sketch map of the product’s structure …………………………………………………………………12
IX. Installation…………………………………………………………………………………………….…… 13
X. Aujustment ……………………………………………………………………………………………… 18
XI. Using Instructions ………………………………………………………………………………….…… 18
1. Instructions tray panel controlling ……………………………………………………………………18
2. Emergency stop switch ………………………………………………………….….……….….….….20
3. Assistant tray contolling panel……………………………………………………………….…… 20
4. Water tank………………………………………………………………………………………..…… 21
5. Foot controller ………………………………………………………………………………………… 21
6. Valve of handpiece …. ……………………………………………………………………..…….. 22
7. Operating light ………………………………………………………………………….……………22
8. X-ray film view …………………………………………………………………………………….…23
9. 3-way syringe and suctions…………………………………………………………………….....… 23
10. Parts of connected with patient……………………………………………………………………….23
XII. Cleaning and Maintenance ………………………………………………………………………...... 23
XIII. Guide Troubleshooting …………………………………………………………………………....… 25
XIV. Circuit Sketch Map …………………………………………………………………………….…… 28
XV. Circuit Diagram of the Patient Chair ……………………………………………………………..… 28
XVI. Water and Air Principle …………………………………………………………………..……………29
XVII. Water and Air Line Sketch Map ……………………………………………………………...….……30
Annex ⅠAccessories list………………..................................................................................................31
Annex Ⅱspare parts list for repairing by Maintenance staff………………............................31

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I. Safety Information
Be sure to read through this operating manual to obtain a correct using of this unit. In case of any special requirement, please
contact the dealer of our company.
Warning:
1. Please neither put the appliance in moist environment nor open the tank body for the sake of reducing the possibility of fire
and electric shock. In case of maintenance, please refer to professional maintenance man.
2. In case of any smoke or other abnormal circumstance which may result in fire or other conditions, please unplug the power
connection and contact the local dealer or the after-sale service department.
3. In case water enters into the equipment, which may result in creepage, please unplug the power connection and contact the
local dealer or the after-sale service department.
4. In case of any undefined fault of the equipment, please unplug the power connection and contact the local dealer.
5. Please don’t disassemble or refit this product, otherwise, some accessories and components may be damaged or result in
electric shock.
6. The power line shall not be damaged. In case the power line is damaged, please disconnect the power supply. Don’t touch the
power supply with hand directly. Please contact the local dealer to change the damaged power line.
7. The product is adaptable to the voltage of a.c.230V/50Hz. In case of work under other voltage, dangers may occur.
8. Please care the weather change. In case of thunder, please disconnect the power supply.
9. Please don’t touch the power plug with wet hands, which may result in electric shock.
10. Please don’t use insecticide, thinner and chemical liquid to clean the equipment, which may peel or rot its surface.
11. Please don’t remanufacture the machine. In case of any damage consequently, it is beyond any maintenance and repair
guarantee. No modification of this equipment is allowed.
12. Contraindication: NO
13. Warning: To avoid risk of electric shock, this equipment must only be connected to a supply with protective earth
14. The power supply cord can’t be replaced by service personnel.
15. The mains plug is considered as isolation device from supply mains.
16. Do not to position the equipment to make it difficult to operate this disconnection device.
To users:
This product has undergone the test, which conforms to the requirement of EU’s 93/42/EEC 2007/47/EEC
instruction. No hydrargyrum segregator has been installed within the product; therefore, its drainage system cannot filter
solid particles and debris, or amalgam alloy. In order to avoid such pollution to the drainage system, the user shall install
a hydrargyrum segregator additionally to avoid the drainage pollution.
Advice to arrange waste amalgam, dentist should be collected waste amalgam monthly, and should be according with
environmental regulations, and supply them to the cerfitied waste management company.
If you want to know more related information, please contact us.
Please record the product code of this appliance here for the convenience of inquiry in the
future.

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1)This product needs special precautions regarding EMC and needs to be installed and put into service according to the EMC information provided, and this
unit can be affected by portable and mobile RF communications equipment.
2) Do not use a mobile phone or other devices that emit electromagnetic fields, near the unit. This may result in incorrect operation of the unit.
3) Caution: This unit has been thoroughly tested and inspected to assure proper performance and operation!
4) Caution: this machine should not be used adjacent to or stacked with other equipment and that if adjacent or stacked use is necessary, this machine
should be observed to verify normal operation in the configuration in which it will be used
Guidance and manufacture’s declaration – electromagnetic emission
The TR-KID-7 is intended for use in the electromagnetic environment specified below. The customer of the
user of the TR-KID-7 should assure that it is used in such an environment.
Emission test
Compliance
Electromagnetic environment – guidance
RF emissions
CISPR 11
Group 1
The TR-KID-7 use RF energy only for its
internal function. Therefore, its RF emissions
are very low and are not likely to cause any
interference in nearby electronic equipment.
RF emission
CISPR 11
Class A
The TR-KID-7 is suitable for use in all
establishments, other than domestic and
those directly connected to the public
low-voltage power supply network that
supplies buildings used for domestic
purposes.
Harmonic emissions
IEC 61000-3-2
Class A
Voltage fluctuations/
flicker emissions
IEC 61000-3-3
Complies

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Guidance and manufacture’s declaration – electromagnetic immunity
The TR-KID-7 is intended for use in the electromagnetic environment specified below. The customer or the user of
TR-KID-7 should assure that it is used in such an environment.
Immunity test
IEC 60601 test level
Compliance level
Electromagnetic environment -
guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
±6 kV contact
±8 kV air
±6 kV contact
±8 kV air
Floors should be wood, concrete
or ceramic tile. If floor are covered
with synthetic material, the
relative humidity should be at
least 30%.
Electrical fast
transient/burst
IEC 61000-4-4
±2 kV for power supply
lines
±1 kV for input/output
lines
±2kV for power
supply lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
± 1 kV line(s) to line(s)
± 2 kV line(s) to earth
±1 kV differential
mode
±2 kV common mode
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage dips, short
interruptions and
voltage variations on
power supply input
lines
IEC 61000-4-11
<5% UT
(>95% dip in UT)
for 0.5 cycle
40% UT
(60% dip in UT)
for 5 cycles
70% UT
(30% dip in UT)
for 25 cycles
<5% UT
(>95% dip in UT)
for 5 sec
<5% UT
(>95% dip in UT)
for 0.5 cycle
40% UT
(60% dip in UT)
for 5 cycles
70% UT
(30% dip in UT)
for 25 cycles
<5% UT
(>95% dip in UT)
for 5 sec
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the TR-KID-7 requires continued
operation during power mains
interruptions, it is recommended
that the TR-KID-7 be powered
from an uninterruptible power
supply or a battery.
Power frequency
(50Hz/60Hz)
magnetic field IEC
61000-4-8
3 A/m
3 A/m
Power frequency magnetic fields
should be at levels characteristic
of a typical location in a typical
commercial or hospital
environment.
NOTE UTis the a.c. mains voltage prior to application of the test level.

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Guidance and manufacture’s declaration – electromagnetic immunity
The TR-KID-7 is intended for use in the electromagnetic environment specified below. The customer or the
user of the TR-KID-7 should assure that it is used in such an environment.
Immunity test
IEC 60601 test level
Complianc
e level
Electromagnetic environment - guidance
Conducted RF
IEC 61000-4-6
3 Vrms
150 kHz to 80 MHz
3 Vrms
Portable and mobile RF communications equipment
should be used no closer to any part of the TR-KID-7,
including cables, than the recommended separation
distance calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance
Where Pis the maximum output power rating of the
transmitter in watts (W) according to the transmitter
manufacturer and dis the recommended separation
distance in metres (m).
Field strengths from fixed RF transmitters, as determined
by an electromagnetic site survey,ashould be less than
the compliance level in each frequency range.b
Interference may occur in the vicinity of equipment marked
with the following symbol:
Radiated RF
IEC 61000-4-3
3 V/m
80 MHz to 2.5 GHz
3 V/m
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption
and reflection from structures, objects and people.
a Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land
mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically
with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site
survey should be considered. If the measured field strength in the location in which the TR-KID-7 is used exceeds
the applicable RF compliance level above, the TR-KID-7 should be observed to verify normal operation. If
abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the
TR-KID-7.
b Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.

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Recommended separation distances between
portable and mobile RF communications equipment and the TR-KID-7 .
The TR-KID-7 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled.
The customer or the user of the TR-KID-7 can help prevent electromagnetic interference by maintaining a minimum
distance between portable and mobile RF communications equipment (transmitters) and the TR-KID-7 as recommended
below, according to the maximum output power of the communications equipment.
Rated maximum output
power of transmitter
(W)
Separation distance according to frequency of transmitter
(m)
150 KHz to 80 MHz
80 MHz to 800 MHz
800 MHz to 2.5 GHz
0.01
0.12
0.12
0.23
0.1
0.38
0.38
0.73
1
1.2
1.2
2.3
10
3.8
3.8
7.3
100
12
12
23
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in
metres (m) can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum
output power rating of the transmitter in watts (W) according to the transmitter manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and
reflection from structures, objects and people.

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II. Figures and Symbols
Figures and symbols
Descriptions
Figures and
symbols
Descriptions
Warning
Set key
type B applied part
Reset position
Protective earth
(ground)
Dental patient chair,
up
CE marking in
conformity with EC
directive 93/42/EEC
Dental patient chair,
down
“ON” for part of
equipment
Dental patient chair,
tilt backward
“OFF” for part of the
equipment
Dental patient chair,
tilt forward
Emergency Stop
Spittoon position
Dental operating light
Bowl flush
X-ray Film viewer
Cup-filler
Move to the limit of
two ends pursuant to
the line directions
Water heater
inductive switch
Operating instructions
Brightness
Caution：hot surface
Date of manufacture
Variability in steps
Authorised
representative in the
European community
manufacturer

-7-
Figures and symbols
Descriptions
Figures and
symbols
Descriptions
Protected against
spraying liquid wate
No tumbling
Keep dry from rain
Temperature limit
Humidity limitation
Atmospheric pressure
limitation
Fragile, handle with
care
Keep away from
sunlight
Protect from heat and
radioactive sources
Upward
Prohibited stacking of 2
Stacking limit by mass
of 350 kg
Symbol for the marking
of electrical and
electronics devices
according to Directive
2012/19/EU. The
device, accessories and
the packaging have to
be disposed of waste
correctly at the end of
the usage. Please follow
Local Ordinances or
Regulations for
disposal.

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III. Matters of Concernment:
This product can only be used for dental treatment, therapy and operation.
The children are forbidden to play near the equipment in order to avoid accidents while touching the equipment.
Only use the fuse and accessories recognized by our company can be used.
This dental unit should not come into contact with any object in its operational range of movement .
After using this dental unit r if this dental unit is not os not to be use the patient chair be returned to the lowest position and,
water air , and the power supply be cut off.
Make sure the Headrest is locked before using the patient chair.
Don’t use the product in high-temperature, high-moisture, vibration, flammable or unbalanced environment.
The patient chair is intermittent operation equipment. ON/2,MIN, OFF/ 18 MIN.
Read the use instructions before using the handpiece.
Read the use instructions before using the curing light machine and the scaler
Connect the water supply before using the water heater in order to avoid short circuit with of dry heating.
Contact professional Service personnel for unit repairing or maintenance, disconnect the water, air and power supply before
the repair.
Disconnect the water, air and power supply while not using the appliance for long time.
It is advised that The expected service life of the dental unit is 5 years for this dental unit. The excessive using may result in
aging pipes, malfunctions or even accidents. Please contact qualified medical appliance recycle unit to eliminate or change
new equipment in time.
The operating stool doesn’t belong to the basic structure of the dental multipurpose therapy unit and the guarantee period of
the operating stool is three months. The cold light lamp, PU cushion, real leather cushion, glass parts and ceramic parts
within the machine are damageable parts and their guarantee period is all three months. The product’s quality problems due
to manual reasons are beyond the guarantee area.
The product is forbidden to be connected with the power supply for more than 24 hours. It is the intermittent equipment.
Please disconnect the water, gas and power supply before duty off
Patient position requirement: :operator regulate the best position during the treatment , patient lie on the dental chair ,
operator is closed to patient’s head to operate
Safety terminate operation of equipment: Press emergency safety switch at the rear side of the dental chair, all the operating
would be stopped
When replacing the fuse, unplug the power plug. The power cord is welded. If you need to change the power cord and fuses
please contact with after sales stuff.
Attention! Only instruments which include anti-retraction devices are to be used together with the dental unit
The temperature of the applied part may up to 41℃due to continuous treatment. Extended skin contact may cause minor
burns.
Mechanical safety
Give adequate attention to patients and this device when it is occupied, with a view to avoiding striking or squeezing the
patient. Turn off system power immediately if this device moves accidentally and will not stop moving
IV. Transportation and Storage
1. Transportation and storage conditions: be upright; handle with care; and moisture-proof.
2. Transportation and storage environment: temperature 5-40℃, relativity≤80%,pressure altitude≤2000m

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V. Brief Introduction to the Product
Inte
nded use :
Apply to medical unit to oral cavity inspection and dentistry treatment.
This product, as a kind of dental appliance that can be adopted by qualified person in the course of dental clinic and its
related operation process, is composed by a set of related dental equipment and appliance parts for the purpose of dental
diagnosis, therapy and operation. And this product mainly include the dental chair, operating lights, instrument tray, Triple
hot-water spray gun ,Triple cold-water spray gun, spitting and water supply system, Mouth wash supply device, film viewer and
foot switch.
1.Annex Ⅰ:Accessories list
2 Mode of operation: Motor according to the work for 2 minutes, stop 18 minutes.
VI. Using Conditions
In order to make sure the normal use of the machine, the input water, air, power supply and its work conditions shall meet the
following parameters:
1. Air supply: air pressure 0.55MPa-0.80MPa, flux>50L/min, no oil;
The quality of incoming dental air should free from oil, water, bacteria.
The compressed air provided for the dental unit should contain no oil and relevant requirement for cleanness should be met.
The air compressor should be provided by the user and compressed air must be subject filtration with a filter pore size ≤50μm.
2. Water supply: water pressure 0.20MPa-0.40MPa, flux>5L/min.
The quality of incoming water to be supplied to the dental unit should be in compliance with existence of national
regulations. The following values are recommendations:
Water hardness limit: less than 2.14 mmol/l(<12` dH)
pH limit: 6.5-8.5
maximum particle size(<100μm)
3. Power supply: a.c. 230V,50Hz, rated power 350VA
4. Operation Environment requirement: temperature 5-40℃, relative moisture ≤80%.pressure altitude≤2000m
5. duty cycle for chair motor: 2 min ON/18 min OFF
6. expected service life:5 years
7. headpiece and water heater is running, please make sure there is water.
Model specification:
TR-KID-7 Children Dental Chair
Protection class:
Class I
Overvoltage category
II
Pollution degree
2
Altitude
≤2000m
Protection type:
Type B
IP
IPX4 for foot switch
Power supply type:
Single phase, three core, net power supply
Voltage:
a.c. 230V
frequency:
50Hz
power Input:
350VA
Applied part
1:dental chair 2:3-way syringe (hot) 3: 3-way syringe (cold)
4:Weak saliva pump 5:Strong saliva pump
Software version
DCSUSB13
The product has the applied part, no-signal input and signal output part. It is the fixed equipment

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VII. Basic Parameters
No load rotating speed of the high-speed turbine hand piece (air pressure 0.22MPa)≥35×104r/min
No load rotating speed of the low-speed motor hand piece (air pressure 0.30MPa)≥18×103r/min
Illumination for operating light: 8000Ix~20000Ix
Illumination of the film viewer: ≥2000Ix
Working load of patient：135 kg
Load weight of the instrument tray: 5Kg
Load weight of Assistant control : 1Kg
water tank: capacity 800ml, pressure 0.25MPa
The highest position of the patient chair from the ground: ≥700mm
The lowest position of the patient chair from the ground: ≤500mm
Backrest movement range: 105°- 170°
Head rack extension range: 120mm
The biggest backward angle of the seat cushion: ≥12°
Temperature of the constant temperature water heater: (40±5)℃
Work space: length≥4000mm/width≥2600mm/height≥2000mm
Handpiece air output pressure:0.18-0.22MPa, Water Pressure: 0.01-0.4MPa。Scaler water output pressure:0.01-0.4MPa
Accessories medical products should have the relevant registration certificate, ISO1348, CE certifications.
Water pipe is import from USA, The raw material is PVC，and have RoHS certifications, PVC will not pollute the water or
oral fluid.
Water filter device equipped with the air filter does not have the function of sterilization.
The Devices of with disinfectant system （ see Page 21 ） , please choose the disinfectant to local regulations, it's
non-hazardous to humans. (alcohol)
Sketch map of the external junction box

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Fuse label

-12-
Circuit board in soittoon unit
ⅧSketch Map of the Product’s Structure
30
13
14
15
17
18
24
19
21
22
26
23
25
29
USB
Motor
Input 24V AC
Limited position swtich
procedure control box USB
USB
operating light
film viewer-24V
water heater and temperature controller
AC 24V output(1-2,3-4,5-6)
water supply(1-2) water rushing(3-4)
AC 24V output(5-6)
DC 24V output
Weak saliva pump
Strong saliva pump

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1. Base box (built-in type)
2. Foot switch
3. Dental chair
4. Weak saliva pump
5. Strong saliva pump
6. 3-way syringe (hot)
7. Mouth wash supply device
8. Side box
9. operating lights
10. Film viewer
11. Control system
12. Instrument tray
13. Dental handpiece
14. 3-way syringe (cold)
ⅨInstallation
1. Installation space
(1) Environment requirement
In order use the normal for this dental unit, please install
it in a clean, dry and ventilate area, and the floor is in level
and solid.
(2) Space requirement
Avoid the touching from any objects during the
dental units in the working, the installation space should be
required the following items:
a) The length no shorter than4000mm;
b) The width no shorter than 2600mm;
c) The height no shorter than 2000mm.
(3) Weight
250KG
2.Installation of the product
(1) Installation and transportation
Open the package, get the power plug and connect to the
power .
Ascend the patient chair to the highest position;
disconnect the power plug line after taking out the front cover
and the base cover.
Take out four screws that fix the patient chair on the
package’s board by using M10 external hexagon wrench; and
move the patient chair carefully to the installation position.
Hex
screw

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Note:
※IDuring moving，please don’t carry the fragile parts
as the rotation arm, armrest, assistant tray, spittoon
unit and plastic cover so as to avoid damage in the
excessive moving force.
※During moving , please stabilize the instrument tray so
as to avoid unexpected touching due to its rotation.
(2) Connection between the spittoon unit with the patient
chair
Uplift the spittoon therapy unit to make the cables away
from the connection point of patient chair in 100mm; then
connect the cable plugs from patient chair (please connect them
according to correct numbers ) to the cables from spittoon
unit ;fix the spittoon unit to patient chair by 3 pieces M10 he
socket .
(3) Backrest of the patient chair
By 3 piece M10 hex socket
Note:
Avoid sharp articles to lacerate the backrest’s surface
in the course of installation.
(4) cushion of the patient chair
Take out four screws on the cushion’s base; re-screw on
the cushion through the corresponding four holes, and fix the
hexagon nut.
Note:
Avoid sharp articles to lacerate the cushion’s surface
in the course of installation.
Don’t carry
Please
stabilize
Hex
Socket
Cables
Hex
Socket
Hex nut

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(5) protection cover of cushion
adjust the protection cover to the cushion , fix the by
screws.
(6) Operating light
Open the package box of the lamp arm, and connect
them in turns according to the figure
Take out the operating light, and screw off the
M5 hex socket from the connecting spindle. As in the
figure 2, the decorating ring is covered the
connecting spindle, connect those plugs from the
operating light connecting spindle to the light arm
connecting spindle (Note: make sure connecting the
correct color wires , and put the insulated cover on
them.) insert the wires and plugs in the light arm,
finally, insert the operating light connecting
spindle to the operating light arm
Decorating ring
Lamp post
Decoratingring of
Light arm
Fixed Axle
Plug
figure 1
Lamp Arm
Lamp Arm
Decorating
Ring of light
arm
Plug
Operating
Lamp
figure 2
(7) Power unit
Connect the water supply tubing , air supply tubing
and drainage tubing to water source , air source and
drainage respectively. During the connecting, make
sure that the seals of the connecting joints for water
supply tubing and air supply tubing keep in good
condition to avoid the leak of water and air. Connect
the ground wires to the earth.
According to the position where the unit is installed,
air tubing , water tubing should reach the designated
position. Water tubing and air tubing should be adopt
water pipe in 8x5 PVC(ZG1/2”)external diameter,
being connected by elbows. wastewater pipe with inner
diameter greater than 52 mm. As the diagram on the
right.
Note:
1.The drainage tubing should be under the ground at least in
10MM, otherwise, the back current will be caused in the
drainage tubing.
2. The outfall shall be declined for the fluent current.
3. The outfall shall not be twisted, raised or undulant, or put
in the water.
Seat cushion
Protective cover
Adjusting
Screw

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(8) Horizontal adjustment and fixed dental unit
①Screw six M12 hexagonal bolts into the M12 screw
thread holes in the bottom cover of the chair to the
level of chair balancing.
②Fixed the board by screws with the ground ,advoiding
the dental unit rollover during misoperation.
Note:
In the process of adjusting, make sure that bottom
cover touches the floor as much as possible to ensure
the stability of the whole set.
（9）instruments installation of tray
a. 3-way syringe
Take out the nozzle of the 3-way syringe, press the
meter ring and insert the nozzle, and then release the
meter ring to make it back to the original position.
If the meter ring cannot recoil to the origin, the
insert of the nozzle is not finished. The meter ring
should be pressed again to make the nozzle inserted
till the meter ring recoils.
b. hand piece
turn on the water source and air source before
installing the hand piece, pull out every hand piece
tubing and push on the footswitch, blow off the
remained water and air in the tubing, install the hand
piece to the tubing connector.
Note:
Please refer to the hand piece user manual as
hand piece using, disinfection and maintenance
（10）On side installation must be performed by the
qualified distributor authorized by ANYE.
(11) Installation for detachable parts : Fuse（see Page 11）, water tank（capacity 800ml, pressure 0.25MPa）,
strong suction,weak suction ,saliva ejector, 3-way syringe tip, suction filter ,spittoon
Hex
Socket
Hole
Connerer
Fuse
Water tank
Suction filter
Strong suction
Weak suction
Spittoon
Saliva ejectors
3-way syringe tip

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3.Installation of the air and water supply and waste system
Incoming and wastewater interfaces for water, air and power supply must be made available within an area of
220mmX180mm where the base is located. The incoming water and air pipe for the unit must be Φ 36 mm pipes, and
wastewater pipe must be Φ 52 mm PVC pipe. The pipe interfaces should be about 40mm from ground. Connection area for
electricity should be properly grounded and within the installation area.
4.Pipeline installation
Before linking pipeline, water and air inside this machine must be exhausted so that the dirt inside pipes is removed for
prolonged service life. Use pipe fixtures and pay attention to sealing. Besides, connect the drain pipe of the machine with
house drain system. Do it reliably and guarantee smooth drainage.

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Ⅹ Adjustment
Turn off the main (water, air and power)switch
( as in the figure 1)
Note: after using the dental unit, it is better to turn off
the main switch, it can be protected the spare parts,
lengthends service life, reduce troubleshooting.
When buzzer gives out a sound “du”, the power lights on
the tool tray and the aid frame turn on. And the equipment
carries on the self-check. (as shown in Figure )
- indicating light
check the connection of water source, make sure there isn’t any leakage.
check the connection of air source, make sure there isn’t any leakage.
open air source to examine the indicated number of air
pressure meter in the air reducer in the front cover. The
normal operating air pressure of the dental unit is 0.55Mpa.
If any error occurs, please adjust the knob in the air filtrating
and reducing valve to keep the above-mentioned number.
Other information see Page 24
ⅩⅠ Using instructions
Please make sure the water, air and power supply have been open while using the product.
All the functions set can be saved automatically in case of power off.
When the power supply resumes after the power off, there isn’tany on safety issue, except the going operation should be shutted
temperartty. If to continue the operation, please restart the unit
1. Instructions tray panel controlling
○
1Position of the patient chair
Press each key for long time, then the patient chair shall move according to the identifiers’ direction. Release the key, then
the move stops.
——“ ”: the patient chair upward;