Datex-Ohmeda D-Tec Manuel utilisateur

D-Tec Vaporizer Operation and Maintenance Manual

User Responsibility

This Product will perform in conformity with the description thereof contained in this

operating manual and accompanying labels and/or inserts, when assembled, operated,

maintained and repaired in accordance with the instructions provided. This Product

must be checked periodically. A defective Product should not be used. Parts that are

broken, missing, plainly worn, distorted or contaminated should be replaced

immediately. Should such repair or replacement become necessary, Datex-Ohmeda

recommends that a telephonic or written request for service advice be made to the

nearest Datex-Ohmeda Field Service Support Center. This Product or any of its parts

should not be repaired other than in accordance with written instructions provided by

Datex-Ohmeda and by Datex-Ohmeda trained personnel. The Product must not be

altered without the prior written approval of Datex-Ohmeda’s Quality Assurance

Department. The user of this Product shall have the sole responsibility for any

malfunction which results from improper use, faulty maintenance, improper repair,

damage, or alteration by anyone other than Datex-Ohmeda.

CAUTION wU. S. Federal and Canadian law restrict this device to sale by or on the order of

a licensed medical practitioner. Outside the U. S. A. and Canada, check local

laws for any restrictions that may apply.

Datex-Ohmeda products have unit serial numbers with coded logic which indicates a

product group code, the year of manufacture and a sequential unit number for

identification.

AAA A 12345

This alpha character indicates the year of product manufacture

and when the serial number was assigned; “Y” = 1995, “Z” = 1996,

“A” = 1997, etc. “I” and “O” are not used.

D-Tec Vaporizer

D-Tec Vaporizer Contents 1

O & M Manual Part No. 1107-0622-000 August 2001

Contents

1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

1.1 Operation And Maintenance Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.3 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.0 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.2 Component Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2.1 Power Supply Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2.2 Filler Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2.3 Drain Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2.4 Power Supply Connector And Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2.5 Equi-Potential Stud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2.6 Sump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2.7 Heater Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2.8 Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2.9 Agent Level Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2.10 Tilt Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.0 Controls And Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.1 Dial Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.2 Auditory And Visual Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.3.2 Operational . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.3.3 Agent Level Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.3 Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.3.1 Warm-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.3.4 Low Agent Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.3.5 No Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.3.6 Alarm Battery Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.0 Vaporizer Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.1 Fitting The Battery And The Mains Lead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.2 Vaporizer Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.0 Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

5.1 Alarm And Display Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5.2 Preoperative Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.3 Turning The Dial To The Required Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

5.4 Filling The Vaporizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.4.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.4.2 Filling Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.0 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.1 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.1.1 External Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.1.2 Internal Contamination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.3 Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.2 Changing The Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Page 2 D-Tec Vaporizer

August 2001 O & M Manual Part No. 1107-0622-000

Illustrations

Fig. 1 Filler Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Fig. 2 Vaporizer Base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Fig. 3 Dial Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Fig. 4 Front Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Fig. 5 Warm-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Fig. 6 Operational . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 7 Low Agent Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Fig. 8 No Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Fig. 9 Alarm Battery Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Fig. 10 Fitting The Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Fig. 11 Fitting The Mains Lead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Fig. 12 Mounting The Vaporizer Onto A Manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Fig. 13 Locking The Vaporizer Onto A Manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Fig. 14 Routing The Mains Lead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Fig. 15 Unlocking The Vaporizer From A Manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Fig. 16 Alarm And Display Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Fig. 17 Amber WARM-UP Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Fig. 18 Green OPERATIONAL Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Fig. 19 Turning The Vaporizer Dial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Fig. 20 Inserting The Bottle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Fig. 21 Filling The Vaporizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Fig. 22 Changing The Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Fig. 23 Vaporizer Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

7.0 Principle Of Operation (Fig. 19) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7.1 Alarm And Indicator Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7.2 Delivery Of Gas/Agent Vapor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

8.0 Fault Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

9.0 Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

9.1 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

9.2 Electrical Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

9.3 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

9.4 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

9.5 Weight And Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

9.6 Flow Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

9.7 Effects Of Output At Varied Altitudes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

9.8 Effects Of Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

9.9 Effects Of Back Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

9.10 Effects Of Carrier Gas Composition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

10.0 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

11.0 Servicing Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

D-Tec Vaporizer Page 1

O & M Manual Part No. 1107-0622-000 August 2001

1.0 Introduction

1.1 Operation And Maintenance Manual

This Operation And Maintenance (O & M) Manual contains the information required in order to install,

operate and maintain the D-Tec Vaporizer.

Maintenance procedures are restricted to those detailed in Section 6.0 of this manual.

Requests for servicing facilities, advice or assistance must be addressed either to a local Datex-Ohmeda

Office or to an Datex-Ohmeda Authorized Distributor.

Additional copies of this manual, quoting Datex-Ohmeda D-Tec Vaporizer O & M Manual Part No.

1107-0622-000, can be requested from a local Datex-Ohmeda Field Operations Unit or from an

Datex-Ohmeda Authorized Distributor.

It is recommended that all relevant documentation, including the O & M Manual and accompanying labels,

is immediately available to all prospective operators.

1.2 Precautions

A number of Warnings and Cautions are used throughout this manual to draw attention to the possible

hazards and/or adverse conditions which may occur if the information and instructions provided are not

strictly observed.

Cautions and Warnings are preceded by a wsymbol and are used to draw attention to a condition which

can endanger either the patient or the operator and can result in damage to the equipment.

Special attention must be paid to each Warning and Caution as it appears in the manual.

wWarning: Do not fill the vaporizer with any substance other than Suprane™ (desflurane) as specified on

the front label. If any substance other than Suprane™ (desflurane) is used, patient injury could occur.

wWarning: U.S. Federal and Canadian law restrict this device to sale by or on the order of a licensed

medical practitioner.

wWarning: Before using the D-Tec Vaporizer, the Suprane™ (desflurane) package insert must be

studied. Failure to conform to the recommendations on the insert may result in patient injury.

Important:

The vaporizer manifold O-rings required for your NAD / Dräger anesthesia machine are dependent on the

place of manufacture of the anesthesia machine vaporizer manifold. Datex-Ohmeda cannot determine the

specific requirements of your NAD / Dräger anesthesia machine. Therefore, per a written request from

DrägerMedical, Inc., this D-Tec series vaporizer does not include replacement O-rings for the anesthesia

machine vaporizer manifold. Please contact your Dräger Medical representative to obtain the correct O-rings

for your system.

Page 2 D-Tec Vaporizer

August 2001 O & M Manual Part No. 1107-0622-000

1.3 Symbols

Symbol Location Facility/Rating

Control Dial Standby setting

Interlock Block Setting mark - dial marking alignment point for required setting

InterlockBlock Equi-potentialstud - connectionfor minimizing electricalpotential difference

FrontPanel Auditoryalarm mute button

DisplayPanel 240ml refill mark- indicates thatan additional 240mlof agent canbe added

DisplayPanel Symbolizesnominal agent leveldisplay when 390ml of agent insump (max.)

DisplayPanel Symbolizesnominal agent leveldisplay when only60 ml of agentin sump (min.)

RearLabel Mainselectrical supply mustbe single phasesinusoidal alternating current

Top Plate Label Direction of flow

wVarious Warning

2.0 Description

2.1 General

TheD-TecVaporizer is designedto add Suprane™(desflurane) inhalant anestheticvaporto the medicalgases supplied

toapatient. The vaporizermust only bemounted on aDrägercompatible anesthesia machinewhich is equippedwith

aninterlockingtype manifold. Thevaporizer must besupplied with dry medicalgas and itmust be connectedtoa

suitableelectricalmains supply. However theD-Tec vaporizer cannotbe used on theNarkomed Mobile anesthesia

system.

TheD-TecVaporizer is designedto meet UL2601-1, IEC 601-1andIEC 601-2-13 recommendations.

Whenthevaporizer is connectedto the electricalsupply, the dial isturned to theq(Stand-by) symboland the green

OPERATIONALlightlocated on thefront display panelis illuminated, thevaporizeris in theelectrical stand-by condition

andisready for use,as described inSection 5.0 OperatingInstructions.

D-Tec Vaporizer Page 3

O & M Manual Part No. 1107-0622-000 August 2001

Mechanicalandelectrical interlocks areincorporated into thevaporizer to helpensurethat the followingcriteria are

satisfied:

1. The vaporizer dial can only beturned from qwhenthevaporizer is lockedonto the manifoldandthe green

OPERATIONALlightis illuminated toindicate that thevaporizer has attainedthecorrect operating temperature.

2. Thegasflow only entersthe vaporizer whichis in operation.

3. Unwantedanesthetictrace vapor isminimized after avaporizer is turned toq.

Note: It is a requirement of the ASTM standard F1850-98 and European Standard EN 740 - Anaesthetic

Workstations And Their Modules, that an appropriate gas monitor is used to monitor the concentration of

anaesthetic agent vapor in the inspiratory gas when the vaporizer is in operation, in order to provide

protection against hazardous output in the event of a device malfunction.

wWarning: This manual and all its associated documentation must be studied before any attempt is

made to install, operate or clean any part of the D-Tec Vaporizer.

wWarning: The performance of the anesthetic machine and vaporizer may be degraded if the machine

and vaporizer are mismatched.

wWarning: Do not install a D-Tec vaporizer in the right hand position of a Narkomed 6000 as this will

result in an incorrect fit and may cause leaks in the fresh gas delivery system.

wWarning: To avoid explosive hazards, flammable anesthetic agents such as Ether and Cyclopropane

must not be used in this vaporizer. Only anesthetic agents which comply with the requirements for non-

flammable anesthetic agents in the IEC 601-2-13 Standard, particular requirements for the safety of

anesthesia machines, are suitable for use in the presence of this vaporizer.

wWarning: As this vaporizer is not suitable for use with flammable anesthetic agents such as Ether or

Cyclopropane, the use of antistatic breathing tubes and face masks is not necessary. The use of

antistatic or electrically conductive breathing tubes when utilizing high frequency electric surgery

equipment may cause burns and is therefore not recommended in any application of this vaporizer.

wWarning: The functioning of this vaporizer may be adversely effected by the operation of equipment

such as high frequency surgical apparatus or short-wave therapy equipment in the vicinity.

wWarning: Do not operate the vaporizer other than with dry medical gases.

wWarning: The D-Tec Vaporizer must not be used in a Magnetic Resonance Imaging environment.

wWarning: The functioning of this D-Tec vaporizer may be adversely affected by electromagnetic

interference exceeding the levels specified in EN 60601-1-2.

wWarning: This product contains a small quantity of Mercury in the Tilt Switch mechanism and should be

disposed of according to local regulations.

wCaution: If the vaporizer is not likely to be used for a period of 12 months, the battery must be

removed. Failure to do so may result in damage to the vaporizer.

wCaution: 'No Output' alarm could be caused by downstream high frequency ventilation at greater than

60 breaths/min with an airway pressure of 100 cm H2O or pulsing the O2flush faster than 1 pulse/sec

over a time period of greater than 10 secs.

wCaution: Refer to the User’s Manual for the Dräger Julian Anaesthesia Workstation for recommended

ventilator parameter limitations when using the D-Tec with a Julian.

Page 4 D-Tec Vaporizer

August 2001 O & M Manual Part No. 1107-0622-000

Use Only

Desflurane

2.2 Component Information

2.2.1 Power Supply Unit

The D-Tec Vaporizer uses a 100 to 120V a.c. 50/60 Hz electrical supply model. A label on the rear panel of

the vaporizer states the voltage requirement for each model.

The integral power supply unit consists of a transformer and an a.c. to d.c. converter which provides the

12V d.c. and 5V d.c. supplies for the electrical system.

2.2.2 Filler Assembly

The filler assembly, illustrated on Fig. 1,

incorporates an agent specific fitting which

helps to ensure that only a Suprane™

(desflurane) specific bottle equipped with a

"Saf-T-Fill"™valve can be inserted in order

to fill the vaporizer.

POWER SUPPLY

CONNECTOR

BATTERY

COVER

FILLER

ASSEMBLY

FILLER

PORT

FILLER

LABEL

AA.43.037

AA.43.055

Fig. 2 Vaporizer Base

Fig. 1 Filler Assembly

2.2.3 Drain Plug

wWarning: Draining the vaporizer may result in rapid loss of pressure and/or agent which could lead to

injury to the operator.

A drain plug is located at the base of the vaporizer as illustrated on Fig. 2. The drain plug must not be

removed except at an Datex-Ohmeda Authorized Service Center.

2.2.4 Power Supply Connector And Battery

The electrical power supply connector is located in

the base of the vaporizer as illustrated on Fig. 2.

If the mains power supply fails, a Duracell 1604

or VARTA Energy 2000 battery incorporated in

the base of the vaporizer provides power for the

auditory and visual alarms only. The battery

must be replaced annually.

D-Tec Vaporizer Page 5

O & M Manual Part No. 1107-0622-000 August 2001

2.2.5 Equi-Potential Stud

The equi-potential stud Yis located on the top of the vaporizer. It provides a means of connecting a

vaporizer to the anesthesia system to minimize any electrical potential difference between the vaporizer

casing and the anesthesia system.

2.2.6 Sump

The sump provides a means of containing the agent and includes the agent filling port, the drain, the

heaters and the agent level sensor.

The sump has a total nominal capacity of 390 milliliters (ml) which consists of a nominal 330 ml indicated

volume and a nominal 60 ml reserve.

2.2.7 Heater Elements

Two 100W heater elements, located in the base of the sump, heat the agent to a nominal 39°C (102°F) to

generate the working pressure.

Two 100W heater elements located in the upper part of the vaporizer help to prevent condensation of the

anesthetic agent in the vaporizer.

The current supplied to power the heaters alternates between the two heaters in the sump and the two

heaters in the upper part of the vaporizer. This minimizes the current requirement.

The casing of the vaporizer is normally warm to the touch while it is connected to the electrical supply.

2.2.8 Monitors

Electro/mechanical monitors are incorporated to monitor the fresh gas/agent vapor pressure balance and

the agent volume.

The monitors control the operational status display and activate the appropriate alarm indication if a

monitored parameter malfunction is detected.

2.2.9 Agent Level Sensor

An agent level sensing probe is mounted in the sump to measure the agent level. When the sump contains

between 60 and 390 ml of agent, the LCD level display indicates the level of agent in the sump. If the agent

level decreases below 60 ml, the amber LOW AGENT light on the display panel flashes and the auditory

alarm is activated. If the agent level decreases below approximately 20 ml,

the red NO OUTPUT light flashes and the auditory alarm is activated. Vapor output then ceases.

2.2.10 Tilt Switch

If the vaporizer is tilted for 10-15 seconds while it is in operational mode and delivering vapor, vapor

delivery will be stopped, as indicated by the flashing No Output light and auditory alarm.

Ce manuel convient aux modèles suivants

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