Belmont CREDIA G1 User manual

DENTAL UNIT
BOOK NO. 1E03V5C0 (3E)
Printed in Vietnam 2013-12
IMPORTANT
This manual provides installation instructions for the CREDIA G1.
The instructions contained in this booklet should be thoroughly read and
understood before installing the chair and unit.
After the installation has been completed, keep this manual in a safe place and
refer to it for future maintenance.
INSTALLATION INSTRUCTIONS

TABLE OF CONTENTS
Page
1. Overview and Major Components---------------------------------------------------1
2. Specications and Dimensions
2-1. Unit Section Specications ---------------------------------------------------------------1
2-2. Unit Section Dimensions ------------------------------------------------------------------2
3. Installation Requirements ------------------------------------------------------------ 3 ~ 5
4. Installation Instructions
4-1. Unit Section Unpacking -------------------------------------------------------------------6
4-2. Chair Section Preparation ---------------------------------------------------------------6
4-3. Unit Section Preparation -----------------------------------------------------------------7
4-4. Mounting Cuspidor Unit to the Chair -------------------------------------------------7
4-5. Fixing the Unit Hose to the Chair-------------------------------------------------------8
4-6. Installation of Junction Box (Plumbing)-----------------------------------------------9
4-7. Tubing Connections in the Junction Box --------------------------------------------- 10
4-8. Electrical Connections in The Junction Box ----------------------------------------- 11
4-9. Installation of the Dental Light--------------------------------------------------------- 12
5. Installation of Accessories
5-1. Cuspidor Bowl, Drain Cap and Basket Strainer------------------------------------ 14
5-2. Cupller Nozzle, Cup Base -------------------------------------------------------------- 14
5-3. Waste Receptacle -------------------------------------------------------------------------- 14
5-4. Dental Viewer ------------------------------------------------------------------------------ 15
5-5. Panorama Viewer ------------------------------------------------------------------------- 15
5-6. Table Arm Rotation Stopper ------------------------------------------------------------ 15
5-7. Table Tray and Table Tray Mat (Holder Type)-------------------------------------- 16
5-8. Monitor Bracket --------------------------------------------------------------------------- 16
5-9. Rod, Fix the hose to the rod (Rod Type/Continental Type) ----------------------- 17
5-10. Sub Tray (Rod Type/Continental Type) -------------------------------------------- 17
6. Attach the Cover
6-1. Attach the Cuspidor Cover ------------------------------------------------------------- 18
6-2. Attach the Mounting Bracket Cover -------------------------------------------------- 18
7. Adjustment
7-1. Water and Air Stop Valves--------------------------------------------------------------- 19
7-2. Main Air Pressure ------------------------------------------------------------------------- 19
7-3. Main Water Pressure --------------------------------------------------------------------- 19
7-4. Handpiece Adjustment (Coolant Air) ------------------------------------------------- 19
7-5. Handpiece Adjustment (Drive Air) ---------------------------------------------------- 20
7-6. Instrument Holder Angle Adjustment ------------------------------------------------ 20
8. Unit Flow Diagram
8-1. Doctor Table Section ---------------------------------------------------------------------- 21
8-2. Cuspidor & Junction Box Section (Central Vacuum, Central Saliva Ejector,
Clean Water System Specications)--------------------------------------------------- 22
8-3. Cuspidor & Junction Box Section (Air Vacuum, Air Saliva Ejector
Specications) ----------------------------------------------------------------------------- 23
9. Unit Electrical Diagram ----------------------------------------------------------------- 24

Light Pole
Dental Light
First Arm
(Horizontal Arm)
Balance Arm
Cuspidor Unit
Section
Doctor Unit
Section
Foot Controller
Doctor Table
Film Viewer
Waste
Receptacle
Instrument Holder
Doctor Unit Control Panel
Assistant
Holder
Assistant Holder Arm
Cuspidor Unit
Control Panel
Cuspidor Bowl
Rod Type
Rod
Doctor Unit
Control Panel
Sub Tray
Rest Holder
(Continental Type)
Junction Box
1. Overview and Major Components
2. Specications and Dimensions
2-1. Specications
Rated power supply : AC110V 60Hz AC120V 60Hz AC220V 50/60Hz
AC230V 50/60Hz AC240V 50Hz
Fuse : 110V 120V ....... 10A/125V
220~240V ......... 5A/250V
Air main pressure : 0.45 ~ 0.5MPa
Water main pressure : 0.1 ~ 0.2MPa
Weight : 70kg (Without dental light)
Dental Light : 300LED Dental light (Type 320M)
Chair : CREDIA G1 Chair
Usage environment : Temperature +10ºC ~ +40ºC
Humidity 30% ~ 75%
Air pressure 700 hPa ~ 1060 hPa
Transportation / Storage environment : Temperature -20ºC ~ +70ºC
Humidity 10% ~ 95%
Air pressure 700 hPa ~ 1060 hPa
Service Life : 10 Years
Equipment that is not suitable for use in air, ammable anesthetic gas, oxygen or nitrous oxide.
- 1 -
0120
01200120
THIS WAY
UP Mark
FRAGILE,
HANDLE WITH
CARE Mark
STACKING
LIMIT BY
NUMBER
Mark
KEEP DRY
Mark
REMPERATURE
LIMITATION
Mark
CE Mark
(EU member nations)
Following symbols are printed on the packing which is necessary information for storage and
transportation.

686
680
710
1024
1393
560
1215
650
445
366
161
161
680
1393
560
650
0
9
4
1100
294
4
8
3
734
522
710
445
366
1215
2-2. DIMENSIONS
Unit : mm
Dimensional tolerance: ±10%
Over the Patient, Holder Type
- 2 -
Over the Patient, Rod Type (Continental Type)

- 3 -
3. Installation Requirements
General Requirements
(1) The contractor is to supply the necessary service and materials to complete the installation to the
satisfaction of the dentists and the installation engineer.
(2) This includes the supply and installation of the electric power supply cables with main isolating switch
and fuses, air supply piping, water supply piping, suction piping including vacuum pump and its
control wires and drain piping as noted on the installation diagrams.
Setting Requirements
(1) The CREDIA G1 dental unit comprises of a Chair section, Cuspidor section, Doctor table section
and Light section.
(2) The CREDIA G1 should be mounted taking the opening end of drain pipe into due consideration.
(3) The area on which the CREDIA G1 is to be installed must have endurance force of 490kg/m2.
(4) The installation position of the CREDIA G1 is shown in Fig-3 as a recommended example.
Piping and Plumbing Requirements
(1) All piping and conduit for cables are to be laid under the oor and to come out from the oor in the
positions shown Fig-3.
(2) The installation position and height from the oor of each pipe and cable conduit are shown in Fig-3.
(3) The recommended sizes, materials and end piece are shown in Table 1.
(4) Regarding installation of the vacuum pump and its connection to the main suction line, follow
the specications of central vacuum pump system manufacture's recommendation.
(5) All Piping should be arranged avoiding bends as much as possible.
Item Material Size End
Piece
Compressed Air Supply Pipe Shock Resistance Out. Dia.18mm PT1/2
P.V.C. Pipe HI-13 In. Dia. 13mm
Water Supply Pipe Shock Resistance Out. Dia.18mm PT1/2
P.V.C. Pipe HI-13 In. Dia.
13mm
Suction Pipe P.V.C. Pipe VP-20 Out Dia.
26mm
IN. Dia.
20mm
Drain Pipe P.V.C. Pipe VP-50 Out. Dia.58mm
In. Dia.
50mm
Power Supply Cable Conduit P.V.C. VE-16 In. Dia.
16mm
Vacuum Control Wire Conduit P.V.C. VE-16 In. Dia.
16mm
Note : The suction pipe and drain pipe should be laid under the oor with an inclination of 1/200 - 1/400.
Air vacuum type does not require suction pipe, vacuum control wire and its conduit.
Table-1

Air Supply Requirements
(1) Compressed air to be supplied should be ltered.
Dirt and moisture in the air may cause trouble in unit air system.
(2) Air Pressure
Between 0.5-0.7MPa (5.0-7.0kg/cm2) air pressure in junction box is required from compressor.
(3) Compressed Air Supply Capacity
Compressed air supply capacity is at least 100 l/min.
Water Supply Requirements
(1) The supply water should be clean.
Dirty water may cause trouble in unit water line.
(2) Water Pressure
Between 0.2-0.4MPa (2.0-4.0 kg/cm2) water pressure in junction box is required for operating unit
efciently at any time. Water supply capacity is at least 4.5 l/min.
Electric Supply Requirements
(1) The connection of the power supply cable is to be carried out in accordance with the local electrical
regulation.
(2) Capacity of the power supply (Include the CREDIA G1 Chair)
110V Type Single Phase 60 Hz : 10A
120V Type Single Phase 60 Hz : 10A
220V Type Single Phase 50/60 Hz : 5A
230V Type Single Phase 50/60 Hz : 5A
240V Type Single Phase 50Hz : 5A
(3) Power supply line should be provided with fuses or circuit breaker in accordance with power
consumption.
(4) The earth wire (ground wire) should be proved in the junction box.
(5) All cables should have at least 500mm surplus from the oor so that they are long enough to
be connected to the terminals in the junction box.
- 4 -

Air Supply
Vacuum Pipe
Power
Source Water Supply
Installation reference point (Drain)
Vacuum Operating Wire
Vacuum Pipe
Air Supply
Power Source
Vacuum Operating
Wire
Drain
Water Supply
Dimensional
tolerance : ±5mm
Detail of piping size
Floor Line
Installation reference point (Drain)
Vacuum Operating Wire
Water
Supply
Vacuum Pipe
Power Source
Air Supply
30
40
20
30
40
PT1/2
110
135
55
40
70
70
Chair Base
8
3 0
2700
min.1000 min.800
40
min.300
min.462
Installation
reference
point (Drain)
Fig-3. Installation Position and Plumbing Layout (Central Vacuum Type)
Air vacuum type does not need vacuum pipe, vacuum operating wires and conduit.
- 5 -
Unit : mm
Dimensional tolerance: ±10%

Staple
Carriage Bolt
(with Red Tag)
4. Installation Instructions
4-1. Unit Section Unpacking
1. Remove all staples xing the carton to the pallet and lift up to remove the carton.
2. Installation parts and accessory parts are packing in the small carton boxes. Open the parts boxes and
check the contents of each packing with the accessory parts list attached in the parts box.
3. Loosen the cover xing screws by phillips screwdriver and remove the junction box cover.
Remove the two screws xing the junction box to the pallet.
Be sure to remove the carriage bolt from the chair before lift the chair by upper structure.
This could cause damage to the chair if operate the chair without removing the carriage bolt.
CAUTION
- 6 -
4-2. Chair Section Preparation
1. Remove the carriage bolt from the chair.
* Refer to the chair installation manual for preparation of the chair.
* Do not attach the backrest and seat section until the unit installation has been completed.
Strapping Band
Accessory Parts
Box
Accessory
Parts List
* Check contents of
accessory parts
How to open the junction box cover
Phillips screwdriver Junction box cover
Cover fixing
screw
Junction box
Do not cut the strapping band which is xing the
balance arm and the doctor table until the chair is
xed to the floor to prevent from falling down
when installing the unit.
CAUTION

M10 Nut
Cap Bolt
M10 x 60
Spring Washer
M10 x 30
Hex Head Bolt
Chair Side
Mounting Bracket
Cuspidor Side
Mounting Bracket
4-4. Mounting Cuspidor Unit to the Chair
1. Raise the dental chair to the highest position.
2. Mount the cuspidor unit on the mounting bracket of the chair and x with four M10 x 60 cap bolts,
spring washers and M10 Nuts. Adjust the level of the cuspidor unit with four M10 x 30 level adjustment
hex head bolts.
- 7 -
Carry the unit by holding the cuspidor at the bottom and mounting bracket.
Do not carry by holding the arm, cupller nozzle or cuspidor bowl.
When mounting the cuspidor unit onto the chair, keep the assistant arm to the out side of the chair.
CAUTION
How to open the side cover
Side cover
Flat head
screwdriver Side cover
fixing screw
Cap Bolt
M10 x 60
4-3. Unit Section Preparation
1. Loosen the side cover xing screw by at head screwdriver on the rear side of the cuspidor unit. Open
the side cover to outside as shown on the below gure.
2. Remove four cuspidor xing bolts (M10 x 60) and hold the cuspidor unit.
Four cap bolts are used when x the cuspidor to the chair.

- 8 -
4-5. Fixing the Unit Hose to the Chair
Pass the vacuum hose, drain hose, tubings and wires from cuspidor to the junction box through to inside of
the chair.
Chair
Cuspidor Unit
Junction Box
1. Remove the front ange cover from the chair.
 
Front Flange Cover
Wires (Black hose)
Tubings (White hose)
Drain Hose (Large hose)
Vacuum Hose (Small hose)
Top view
Seat Flange
2. Pass through the hoses between the front ange cover and the seat ange.
Pass the hoses through to the chair in the following order, vacuum hose (Small hose), drain hose (Large
hose), tubings (White hose), wirings (Black hose) from the bottom.
Hoses must be routed tightly against seat flange.
It becomes hard to attach the flange cover to the chair or it may cause damage to the
chair cover.
CAUTION

3. Pass through the hoses into the bracket and right side of the lower ange. Run the hoses to hole in the
junction box.
Bracket
Hole in a junction box
- 9 -
4. Fix the junction box to the oor with two M3.5 x 20 wood screws.
M3.5 x 20 Wood Screws
Stainless Flexible Pipe
Filter
Seal
(Packing)
Stop Valve
Water Stop Valve
Air Stop Valve
Vacuum Elbow
Drain Elbow
Air Filter
Water Filter
Water and Air Supply Line Connection
4-6. Installation of Junction Box (Plumbing)
1. Install the water stop valve and the air stop valve to each supply pipe. The positioning of the stop valves
are shown in page 5.
2. Drain Hose and Vacuum Hose Connection
1) Cut the drain hose and vacuum hoses at suitable length and connect them to each elbow with
plastic glue.(Pipe solvent)
2) Insert the drain hose elbow and vacuum hose elbow into each pipe.
Note : The Drain pipe should be sealed with silicone sealant or taping.
Attaching Drain Bushing (Optional) to the Drain Pipe is desirable, and Drain Elbow should be
bonded rmly into the Drain Pipe.
3) For Air Vacuum specication, prepare the Drain Joint (Optional) and the drain line and the vacuum
drain line may be inserted together into the Drain Pipe.

4-7. Tubing Connections in the Junction Box
Connect the tubings from the cuspidor and foot controller to junction box.
For central specication, connect the green tubing (4 x 6) to the air switch.
- 10 -
Yellow 4×6
Yellow
2×3.7
Blue
6.5×10
Gray
2×3.7
Brown
2×3.7
Orange 2×3.7
Red 4×6
Foot Controller
Drive Air
Gray 4×6
Foot Controller
Foot Controller Hose
Foot Controller
Chip Air
Gray 2×3.7
Foot Controller
Coolant Air
Gray 2×3.7
Foot Controller
Air InputGray 4×6
Green
4×6
Chip Air
Drive Air
Air Input
Coolant Air
Central Vacuum Specification
Drain Bush
(Optional)
Drain Pipe
Vacuum Pipe
Drain Hose Vacuum Hose Air Vacuum Connection
Drain Joint
(Optional)
Drain Pipe
Drain Bush
(Optional)
Drain Elbow Vacuum Elbow
Connect with
plastic glue
Connect with
plastic glue
3. Connect Water Shut Off Valve and Water Filter with Stainless Flexible Pipe and Packing.
Connect Air Shut Off Valve and Air Filter in the same way.

Red
Black
Yellow
Brown
Blue
24V from
Doctor Table
Vacuum
Operating
Wire
Flat-Head Screwdriver
Wire
Terminal Block
Water Heater
Earth
Vacuum
Operating
Wire
Yellow
24V from
Doctor Table
Red
Black
With Water Heater Without Water Heater
Unit Power Supply Plug
Power Supply Switch
4-8. Electrical Connections in The Junction Box
* Turn off the main switch before connect the wirings.
1. Connect the central vacuum operating wires from oor, water heater wires (Blue, Brown) from cuspidor
and 24V from doctor table (Red, Black) to the terminal block.
Be sure to connect the earth wires from doctor table and cuspidor into the junction box.
(This connection is central vacuum type only. The air vacuum type does not have vacuum operating wire
connection.)
* How to connect terminal block
While pressing the slot of the terminal with a at head screwdriver, insert the wire to the terminal and
release the screwdriver. Conrm that the wire is connected securely.
2. Connect the unit side connectors (2P, 4P and 9P) to the chair side connectors (2P, 4P and 9P) in the
junction box. Refer to chair electrical diagram.
3. Plug the unit power supply plug into the suitable power supply line in the junction box.
Turn on the power supply switch to the marked with [ I ].
- 11 -

Balance Arm Joint
M6 Button Screw
L-Type Light pole
L-Type Light pole
Washer
Light Pole
Connector
Lead Line
Tape
First Arm
(Horizontal Arm)
4-9. Installation of the Dental Light
* Refer to the dental light installation manual for installing the dental light.
1. Pass the light cable through the L-type light pole and insert the balance arm joint into the light pole, x it
with two M6 button screws supplied with dental light.
2. Put washer on the light pole. Pass the light cable through the light pole and attach the dental light
section to the rst arm (horizontal arm). Fix the light post to the cuspidor unit with two M6 x 10 set
screws and two M6 x 18 set screws. Refer to the following instructions for xing the set screws
depending on the option with or without clean water system.
With Clean Water System Without Clean Water System
Water bottle cover
Water bottle
fixing screws
Remove the water bottle
cover by loosen the
two screws
Set screws
M6 x 18
Set screws
M6 x 10
Remove the cover
Set screws
M6 x 18
Set screws
M6 x 10
Cover
- 12 -

3. Pass the light cable through the main post and hole of the mounting bracket. Connect the 2P, 3P and 4P
connectors from the dental light to the connectors from the junction box in the cuspidor unit.
Main post
Mounting
bracket
Connector
Blue
Light power pcb.
Green
CN207
321
S
M
CN205
JST
EH3P
CN206
JST
NH3P
CN101
JST
VH3P
CN201
JST
XH4P
1
2
3
4
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
4
1
2
3
4
1
2
1
2
1
2
3
N
L
Black
Brown
Yellow
Red Orange
Red
Violet
Violet
- 13 -
4. Connect the connectors of the dental light to the connectors (2P, 3P, 4P) from dental light power pcb
as shown on the following gure.
Junction Box
Dental Light
Power PCB.
2P,3P,4P connectors

Drain Cap
Basket Strainer
Cuspidor Bowl
5. Installation of Accessories
5-1. Cuspidor Bowl, Drain Cap and Basket Strainer
Insert the cuspidor bowl to the cuspidor unit. Fit the drain cap and the basket strainer in the cuspidor bowl.
* To easily attach the cuspidor bowl, moist the insertion part, rotate and push down the cuspidor bowl.
- 14 -
Cupfiller Nozzle
Cupfiller Base
Pan head Screw (3A Sems)
M4 x 8 (2 pcs.)
Cupfiller
Master Valve
Water
Heater
Cupfiller
Cupfiller
Nozzle
flow contro
Valve
Cupfiller
Master Valve
Cupfiller
Cupfiller
Nozzle
flow contro
Valve
Cuspidor Unit With Water Heater Without Water Heater
Blue
tubing
4x6
Connect the tubing
in the cuspidor
5-2. Cupller Nozzle, Cup Base
1. Insert the cupller nozzle to the cuspidor unit and x with two M4 x 8 pan head screws.
2. Connect the blue tubing (4 x 6) in the cuspidor as shown on the following gure.
3. Attach the cupller base to the cuspidor unit.
5-3. Waste Receptacle
Fix the waste receptacle holder to the table chassis with M6 x 20 cap bolt, two M6 washers and M6 Nut.
Waste Receptacle Holder
Waste Receptacle
M6 Nut
M6 Washer (2pcs.)
M6 x 20
Cap Bolt (1pc.)
Table Chassis

5-4. Dental Viewer
1. Pass the viewer cable through to the table chassis and connect to the terminal block.
2. Fix the dental viewer bracket to the table chassis with two M4 x 15 3A sems screws.
Table chassis
Dental Viewer
Bracket
M4 x 15 (2 pcs.)
3A Sems Screw
Terminal block
White Black
Viewer
cable
Connect to
terminal block
in the table
chassis
Panorama Viewer
Table Chassis
Terminal Block
Panorama Viewer
Cable
M4 x 12 (2 pcs.)
Flat Head Screw
Table Bracket
Viewer Bracket A
Viewer Bracket B M4 x 12 (4 pcs.)
3A Sems Screw
M4 x 12 (2 pcs.)
3A Sems Screw
Viewer Fixing
Plate
White
Black
Connect to the
terminal block in
the table chassis
,(&$$
䠕䠞䠓䠥䠥 䠃 䠞䠗䠖 䠢䠤䠡䠖䠧䠕䠦
LED label
5-5. Panorama Viewer
1. Pass the panorama viewer cable through to the table chassis and connect to the terminal block in the
table chassis as following gure.
2. Fix the viewer bracket B to the table bracket with two M4 x 12 3A sems screws.
Fix the viewer bracket A to the viewer bracket B with two M4 x 12 3A sems screws.
3. Fix the viewer xing plate to the viewer bracket A with two M4 x 12 at head screws, then x the
panorama viewer to the viewer xing plate with two M4 x 12 3A sems screws.
- 15 -
5-6. Table Arm Rotation Stopper Bolt
1. Fix the table arm rotation stopper bolt (M10 x 16)
with washer (M10) into the cuspidor.
M10
Spring Washer
M10 x 6
Hex Cap Bolt
Your eyes could be dazzled by LED light not only under dark environment but also under normal environment.
Be careful about the brightness of the ambient.
CAUTION

Pan Head Screw
M5 x 40 (5 pcs.)
Table Tray Mat
Table Tray
Table Chassis
5-7. Table Tray and Table Tray Mat (Holder Type)
Fix the table tray to the table chassis with ve M5 x 40 pan head screws. Place the table tray mat on the
table tray.
- 15 - - 16 -
5-8. Monitor Bracket
1. Insert the monitor bracket bottom cover and x the two M5 x 8 cap screws (stopper for monitor bracket)
to the light post, then insert the monitor bracket to the light pole.
2. Put washer on the monitor bracket. Pass the monitor cable through the monitor bracket and the light
pole, then insert the monitor rotation shaft to the monitor bracket
3. Fix the monitor bracket to the light post with two M6 x 8 set screws and x the monitor bracket bottom
cover to the monitor bracket with two M4 x 12 truss screws.
Light Pole
Monitor Bracket
Monitor Rotation Shaft
Washer
Monitor Bracket
Bottom Cover
Monitor Connector
Main Post
Mounting Bracket
M6 x 8
Set Screw
M4 x 12
Truss Screw
M5 x 8
Cap Screw

- 17 -
5-9. Rod, Fix the hose to the rod (Rod Type/Continental Type)
Lift up the rod holder and insert the rod part into the rod holder.
Rod
Rod Holder
Attach the O-ring to prevent the handpiece hose slipping off from the rod.
In case of the scaler hose, pass the silicone tube and heat shrink rubber tube through to the scaler
hose to hold it into the rod. * Use a hair dryer to shrink heat shrink rubber tube.
O-Ring
Rod
For scaler specification
O-Ring
Rod
Dryer
Scaler hose
Silicone tube
Heat shrink
rubber tube
Sub Tray Holder
Cap Bolt
M5 x 25 (1pc.)
Table Chassis
Sub Tray Arm
Cap Bolt
M5 x 15 (3pcs.)
5-10. Sub Tray (Rod Type/Continental Type)
Fix the sub tray arm to the table chassis with three cap bolts (M5 x 13).
Insert the sub tray holder to the sub tray arm and x with cap bolt (M5 x 25).