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Hoffrichter CARAT I User Manual

Hoffrichter CARAT I
41 pages
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CARAT I and CARAT II
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Table of Contents

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Hoffrichter CARAT I Specifications

General IconGeneral
CPAP Pressure4 - 20 cmH2O
Ramp FunctionYes
Weight1.8 kg
HumidifierOptional
Data StorageSD card
Operating ModeCPAP
Sound Level< 26 dB(A)
Noise level< 26 dB(A)

Summary

1 Symbols in Service Manual

Danger Symbol

Denotes hazardous situations that can lead to serious injuries or death.

Warning Symbol

Denotes hazardous situations that may lead to serious injuries or death.

Important Information Symbol

Denotes information, tips, and instructions for efficient, error-free device use.

2 Safety Instructions

3 Patient Change Preparation

3.1 Reprocessing Procedure 1

Procedure for device reprocessing by qualified personnel, involving disposal, autoclaving, and disinfection steps.

3.2 Reprocessing Procedure 2

Hygienic reprocessing according to KR 1000 procedure with limited cycles, followed by a safety test.

3.3 Reprocessing Procedure 3

Procedure for reprocessing when using a bacteria filter, including filter changes and disinfection.

4 Block Diagrams

4.1 Pneumatic Block Diagram (CARAT I)

Diagram detailing pneumatic components and signal flow paths for the CARAT I model.

4.2 Pneumatic Block Diagram (CARAT II)

Diagram detailing pneumatic components and signal flow paths for the CARAT II model.

4.3 Complete Machine Block Diagram

Shows the overall system architecture including ventilator, power, and controller modules.

4.4 Controller Board Block Diagram

Details the functional blocks and interfaces of the controller circuit board.

4.5 Power Management Circuit Board Diagram

Outlines the power management system, including battery charging and distribution circuits.

5 Assemblies and Components

5.1 Control Circuit Board

Describes the functions and sections of the main control circuit board.

7 Opening the Machine

8 Maintenance Procedures

8.1 Cleaning and Disinfection

Procedures for cleaning and disinfecting the device covers and air-ducting components.

8.9 Calibration

1 Pressure Sensor Calibration

Details steps for calibrating the pressure sensor using an APM device and specific menu functions.

2 Flow Sensor Calibration

Outlines the process for calibrating the flow sensor using a flow meter and service menu.

3 Leak Test

Procedure to test for leaks in the system by monitoring pressure changes during operation.

8.10 Battery Test Procedure

8.11 Closing the Machine

8.15 Factory Setting Standard Values

9 Safety-Related Check and Maintenance

9.1 General Maintenance Requirements

States that the respiratory machine requires annual servicing by an authorized specialist.

9.2 Recommended Maintenance Schedule

Provides a schedule for required maintenance tasks based on operating hours or time intervals.

9.3 Safety-Related Check Details

9.4 Electrical Safety of External Power Supply

11 Spare Parts List

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