DentalEZ Heritage CORE Chair User manual

USER MANUAL
CORE CHAIR

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TABLE OF CONTENTS
SECTION I - INTRODUCTION
Product Overview................................................................................................................................1
Product Features................................................................................................................................. 2
Dimensions......................................................................................................................................... 3
Range of Motion ................................................................................................................................. 4
Specifications...................................................................................................................................... 5
Recommended Environmental Conditions.......................................................................................... 5
Classifications..................................................................................................................................... 6
Explanation of Symbols & Signs......................................................................................................... 6
Safety Precautions.............................................................................................................................. 7
SECTION II - PREINSTALLATION
Packaging ........................................................................................................................................... 8
Chair Placement ................................................................................................................................11
SECTION III - INSTALLATION
Chair Back ........................................................................................................................................ 12
Seat Frame ....................................................................................................................................... 13
Foot Control ...................................................................................................................................... 15
Touchpad Control.............................................................................................................................. 17
Seat Upholstery ................................................................................................................................ 19
Headrest ........................................................................................................................................... 20
Back Upholstery ............................................................................................................................... 21
Armrests ........................................................................................................................................... 22
Installation Checklist ......................................................................................................................... 23
Delivery Units ................................................................................................................................... 24
SECTION IV - OPERATION
Base Lowering Safety Switch ........................................................................................................... 25
Chair Rotation................................................................................................................................... 25
Armrests ........................................................................................................................................... 26
Double Articulating Headrest ............................................................................................................ 27
Manual Chair Positioning.................................................................................................................. 28
Automatic Chair Positioning.............................................................................................................. 29
Programming Chair Travel Limits ...................................................................................................... 31
SECTION V - CARE & MAINTENANCE
Cleaning ........................................................................................................................................... 35
Disinfecting ....................................................................................................................................... 37

ii
CORETM CHAIR
866-DTE-INFO
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PN: 2717-268C
SECTION VI - USER SERVICE INFORMATION
Service Instruction............................................................................................................................ 38
Disposal of Equipment...................................................................................................................... 38
SECTION VII - PARTS LIST
Replacement Parts ........................................................................................................................... 39
DENTALEZ Parts Online .................................................................................................................. 39
EMC INFORMATION........................................................................................................................... 40
LIMITED WARRANTY.......................................................................................................................... 43
TABLE OF CONTENTS

1
PRODUCT OVERVIEW
This manual contains the installation, operation and care instructions and user service information for the CORETM
Dental Chair.
The chair is intended to be used by trained professional dental care personnel only. The chair supports a patient in a
reclined, seated position. Operators will be positioned around the patient's head as required for optimum access for
the specific procedure being performed.
The chair is designed to provide trouble-free service when installed, operated and cared for according to the
procedures set forth in this manual.
To ensure proper installation, carefully read all the instructions contained in this manual, paying close attention to
all warnings, cautions, and notes.
Before starting installation procedures, review the illustration to become familiar with the components of the chair
(FIGURE 1).
After the chair is installed, review the features, operation procedures, and care guidelines with the doctor’s staff.
LEAVE THIS MANUAL IN THE DOCTOR’S OFFICE.
SECTION I - INTRODUCTION
FIGURE 1. DENTAL CHAIR MAIN COMPONENTS
BASE (CANTILEVER SECTION)
FOOT CONTROL
TOUCHPAD
ARMREST
HEADREST
BACK
SEAT
ARMREST
BRAKE
BASE PLATE
BASE (PUMP) COVER
NOTICE Installation by an authorized DENTALEZ®dealer service technician is recommended.
For any questions about an order, please contact a DENTALEZ Equipment customer service
representative at 866-DTE-INFO.

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PRODUCT FEATURES
The CORE Chair offers state-of-the-art design for optimum operatory performance with complete work comfort and
unrestricted patient access. In order to achieve the most efficient use in the operatory and understand what the CORE
Chair offers, here is a compilation of some features and benefits.
STANDARD FEATURES
Upholstered back assembly.
Ergonomically designed base plate provides the dental team with free movement from nine o’clock to twelve
o’clock positions.
Thin tapered back for better access to the oral cavity.
Quiet and smooth hydraulic system for superior stability and smooth, quiet operation.
Four operator-programmable positions increase efficiency by reducing the time needed for chair adjustment.
Cast iron chair frame and aluminum casting chair back, armrest, headrest and base provide superior durability.
Flip-down armrests allow for easy patient entry and exit, while also allowing the dentist to easily change from left
to right without the use of any tools.
Chair brake at back provides easy adjustment.
Durable Naugahyde®upholstery.
Double articulating headrest.
Base safety switch feature ensures nothing gets caught underneath the base as it lowers.
OPTIONAL FEATURES
Wired foot control provides programmable preset positioning.
Touchpad control provides easy and rapid patient positioning.
SECTION I - INTRODUCTION

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SECTION I - INTRODUCTION
FIGURE 2. DENTAL CHAIR DIMENSIONS
DIMENSIONS
SIDE UPRIGHT
26⅜"
57"
29½"
17"
48¾"
TOP RECLINING
8⅝"
9⅞"
20"
74"
18⅛"
19¾"
25⅝"20⅜"
26⅜"
27⅞"
SIDE RECLINING
39¾"
15"
11"
19⅝"
16⅛"17⅞"

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SECTION I - INTRODUCTION
RANGE OF MOTION
FIGURE 3. DENTAL CHAIR RANGE OF MOTION
15°15°

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SPECIFICATIONS
115V 220V
Voltage (AC) 115, 60 Hz, as applicable 220, 50/60 Hz, as applicable
Control Voltage (AC) 5V DC
Fuses (Type M) F1/F2 - 10A, F3 - 100 mA
F1/F2 - 6.3A, F3 - 63 mA
Shipping (Package) Weight (lbs) Chair: 396.9 (180 kg)
Empty Weight (lbs) 300 (136 kg)
Delivery System Capacity (lbs) 125 (56.6 kg)
Total Lift Capacity (lbs) 450 (204 kg)
Maximum Patient Weight (lbs) Factory tested to lift a load of 300 (136 kg)
Shipping (Package) Dimensions L × H × W (in) 57 × 32 × 34
Minimum Installation Space (ft) 10 × 10 (3 m × 3 m)
Base Plate Footprint (in) 39¾ × 27⅞(101 cm × 71 cm)
OPERATION
Temperature range: 41°F to 104°F (5°C to 40°C)
Relative humidity range: 10% to 100%
Atmospheric pressure range: 50 kPa to 106 kPa
RECOMMENDED ENVIRONMENTAL CONDITIONS
SECTION I - INTRODUCTION

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CLASSIFICATIONS EXPLANATION OF SYMBOLS &
SIGNS
SECTION I - INTRODUCTION
Medical-General Medical Equipment
Certified as to electrical shock, fire
and mechanical hazards only in
accordance with:
IEC: 80601-2-60, IPX4
ANSI/AAMI: ES60601-1
CSA Std: C22.2 No. 60601-1:14
Type of Protection Against Electric Shock:
Class 1 Equipment.
Degree of Protection Against Electric Shock:
Type B Applied Parts. The upholstery is
considered an applied part.
Flammable Gases: Equipment not suitable for
use in the presence of a flammable anesthetic
mixture with air, oxygen or nitrous oxide.
Mode of Operation: Intermittent – 25 seconds
ON, 300 seconds OFF.
The authorized European representative is:
Emergo Europe, Inc.
Prinsessegracht 20
The Hague, 2514 The Netherlands
Phone: [phone]
C
ETL CLASSIFIED
4010684
= Caution
= Warning
= Biohazard
= Warning - Dangerous Voltage
= General Mandatory Action
= Refer to Manual (Follow Instructions)
= Alternating Current
= Direct Current
= Protective Earth (Ground)
= Type B Applied Part
= European Certification
= Serial Number
= Manufacture Date
= Manufacturer
= Electromagnetic Radiation
= Do Not Trash
= Box Must Remain Upright
= Do Not Place Box on Unlevel Surface
= Do Not Stack Box
-29ºC
(-20ºF)
74ºC
(165ºF) = Box Contents Safe Temperature Range
95%
0% = Box Contents Safe Humidity Range

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WARNING Before proceeding with electrical installation, all wiring must be in accordance with NEC and
local electrical codes.
To avoid the risk of electrical shock, this equipment must only be connected to a supply mains
with protective earth.
The plug cannot be located in a position that requires tools to access.
Do not modify the chair without permission from DENTALEZ.
The use of ACCESSORY equipment not complying with the equivalent safety requirements
of this equipment may lead to a reduced level of safety of the resulting system. Consideration
relating to the choice shall include:
use of the accessory in the PATIENT VICINITY and
evidence that the safety certification of the ACCESSORY has been performed in
accordance to the appropriate IEC 60601-1 harmonized standard.
To prevent injury from falling or crush hazards, patients should be seated upright in the chair
facing forward. Their head should be on the headrest with their feet at the toe of the chair. Their
arms should be on the armrests or folded across their midsection.
Headrest options that contain magnets can interfere with the function of some medical devices,
including pacemakers.
SECTION I - INTRODUCTION
CAUTION Before attempting to move the chair, it must be lowered to its lowest position and locked in place
at zero degrees rotation. It is strongly recommended that accessories, such as lights and units,
be removed before moving.
Rating of main circuit breakers should be 20 Amps maximum.
SAFETY PRECAUTIONS
NOTICE Isolating the unit from the supply mains is accomplished by unplugging the unit from the power
receptacle.

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TOOLS REQUIRED
Wire Cutters
Adjustable Wrench
7/32" Hex Key
Phillips-head Screwdriver
UNPACKING CHAIR CARTON
1. Use 7/32" hex key to remove the four (4) bolts holding the chair to the pallet. The bolts are located on the
underside of the pallet (FIGURE 4).
2. Remove the outer strapping and plastic, then remove the screws from the cardboard box, one (1) from each side
and two (2) from each end.
3. Remove the outer box top and set aside.
4. Remove the cardboard supports.
5. Remove all the plastic wrapping and foam.
SECTION II - PREINSTALLATION
WARNING During transportation, the chair must be at its lowest height and all attachments must be
secured in their lowest and most central positions possible. Failure to comply may result in injury
and/or damage to equipment.
The chair is heavy and weighs in excess of 300 pounds (depending on options). Use assistance
to remove the chair from the pallet. Failure to do so may result in serious back injury.
DO NOT CONNECT the chair POWER cord until all shipping hardware is removed.
CAUTION To avoid damage to the carton contents, do not use a knife or sharp object to open the
packaging.
PACKAGING
VIEW ONLINE INSTRUCTIONS
Scan QR code for video instructions: CORE Chair - Unpacking and Setup
FIGURE 4. REMOVE BOLTS HOLDING CHAIR TO WOOD PALLET

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PACKAGING (CONTINUED)
SECTION II - PREINSTALLATION
6. Use wire cutters to cut the support straps/zip ties located on both sides of the chair. Two (2) ties at either side
secure the chair to the pallet. The other ties secure the chair to itself (FIGURE 5).
7. To aid in pallet egress, remove the two (2) corner supports held in place by ten (10) screws (FIGURE 6).
8. Remove the chair from the pallet and place it in the desired location before doing any other installation.
9. Connect the chair power cord to a power outlet.
NOTE: The chair base will automatically lift to the highest postion.
FIGURE 6. REMOVE CORNER SUPPORTS
FIGURE 5. CUT SUPPORT STRAPS/ZIP TIES
SUPPORT
STRAPS/
ZIP TIES

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UPHOLSTERED BACK ASSEMBLY
UPHOLSTERED SEAT
CHAIR CONTROLS
HEADREST
OPTIONS
HARDWARE PACKAGE
UPHOLSTERED ARMRESTS
FIGURE 7. CHAIR UPHOLSTERY PACKAGING
SECTION II - PREINSTALLATION
PACKAGING (CONTINUED)
UNPACKING UPHOLSTERY CARTON
Remove and set aside the following items from the CORETM Chair upholstery assembly packaging (FIGURE 7):
Upholstered Back Assembly
Upholstered Seat
Upholstered Armrests
Headrest
Hardware Package
Any Additional Ordered Options

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WARNING To prevent injury as a result of chair tipping, chair must be placed on a smooth, hard and level
floor.
DO NOT position the chair any place where it would interfere with unplugging the chair power
cord.
Taking into consideration the chair’s dimensions, range of motion, and specifications (see SECTION I -
INTRODUCTION - SPECIFICATIONS), position the chair in its permanent location on a smooth, hard and level floor.
NOTE: Make sure the chair is placed where nothing will interfere with its movement.
SECTION II - PREINSTALLATION
CHAIR PLACEMENT

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TOOLS REQUIRED
3/32" Hex Key
Medium-strength Threadlocker
ASSEMBLE CHAIR BACK
1. Loosen (but do not remove) the two set screws with a 3/32" hex key and remove both connector pins (FIGURE 8).
2. Lift the backrest to its upright position.
3. Line up the linkage holes and reinsert the connector pins (FIGURE 9).
4. Apply medium-strength threadlocker to the set screw located on the end of the backrest.
5. Using a 3/32" hex key, tighten the set screw against the flat surface of the pin to hold the internal arm.
CHAIR BACK
SECTION III - INSTALLATION
FIGURE 8. LOOSEN (DO NOT REMOVE) SET SCREWS AND REMOVE CONNECTOR PINS
SET
SCREW
SET
SCREW
CONNECTOR
PIN
CONNECTOR
PIN
FIGURE 9. LINE UP LINKAGE HOLES AND REINSERT CONNECTOR PINS
CONNECTOR
PIN
LINKAGE
HOLES

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SEAT FRAME
TOOLS REQUIRED
Phillips-head Screwdriver
ASSEMBLE SEAT FRAME
1. Remove the five (5) Phillips-head screws that hold the seat upholstery to the seat frame. Remove the seat
upholstery. Retain screws for installation (FIGURE 10).
2. Remove cotter and clevis pins from the seat frame. Retain pins for installation (FIGURE 11).
SECTION III - INSTALLATION
FIGURE 10. REMOVE FIVE (5) SCREWS FROM SEAT FRAME AND REMOVE SEAT UPHOLSTERY
CLEVIS PIN
FIGURE 11. REMOVE COTTER AND CLEVIS PINS FROM THE SEAT FRAME
SEAT FRAME
COTTER PIN
COTTER PIN
CLEVIS PIN
SEAT FRAME SCREWS (5)

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FIGURE 12. CLEVIS PIN WITH INSERTED COTTER PIN
SECTION III - INSTALLATION
SEAT FRAME (CONTINUED)
NYLON
WASHERS
COTTER PIN
CLEVIS PIN
SEAT FRAME
CHAIR BASE
3. Place a nylon washer onto each clevis pin and slide into seat frame hole. Place the second nylon washer onto the
clevis pin and slide into chair base hole. Replace cotter pin to hold frame in place (FIGURE 12)

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CONNECT FOOT CONTROL
1. Disconnect the chair power.
2. Using a 1/8" hex key, remove the screws (2) on the sides of the pump cover, then take the cover off and set it
aside (FIGURE 13).
3. On the control board, remove and discard jumper (FIGURE 14).
FOOT CONTROL
SECTION III - INSTALLATION
WARNING To prevent any chance of electrical shock, always disconnect power when indicated.
TOOLS REQUIRED
1/8" Hex Key
FIGURE 13. REMOVE PUMP COVER
PUMP COVER
SCREWS
FIGURE 14. REMOVE AND DISCARD JUMPER ON CONTROL BOARD
JUMPER

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4. Connect the wire plug of the foot control into the control board (FIGURE 15).
5. Reconnect the chair power and test the foot control for proper function.
6. Reinstall the chair pump cover.
SECTION III - INSTALLATION
FOOT CONTROL (CONTINUED)
FIGURE 15. CONNECT WIRE PLUG OF FOOT CONTROL TO CONTROL BOARD
WIRE PLUG

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TOUCHPAD CONTROL
TOOLS REQUIRED
13 mm Wrench
1/8" Hex Key
CONNECT TOUCHPAD CONTROL
1. Disconnect the chair power.
2. Locate bracket holes on the underside of the armrest support (FIGURE 16).
3. Using a 13 mm wrench and the supplied M8×1.25×30 mm hex head bolts (2), attach the touchpad bracket to the
existing bolt holes located on the underside of the armrest support (FIGURE 17).
SECTION III - INSTALLATION
WARNING To prevent any chance of electrical shock, always disconnect power when indicated.
FIGURE 16. LOCATE BRACKET HOLES UNDER ARMREST SUPPORT
FIGURE 17. ATTACH TOUCHPAD BRACKET TO BOLT HOLES USING HEX HEAD BOLTS
BRACKET
HOLES
TOUCHPAD
BRACKET
HEX HEAD
BOLTS
ARMREST
SUPPORT