ResMed Astral 100 & Astral 150 Service Manual – PDF (Technical Repair Guide) – PDF

Description

ResMed Astral 100 & Astral 150 Service Manual – PDF (Technical Repair Guide) – PDF DOWNLOAD

Description

The ResMed Astral 100 / Astral 150 Service Manual is the complete OEM technical guide for servicing, repairing, and calibrating the Astral series ventilators. It provides end-to-end instructions covering functional descriptions, system behaviour, block diagrams, sensor details, electronic boards, pneumatic circuits, and all corrective maintenance procedures.

This manual includes detailed technical descriptions of the main PCB, pneumatic block, blower system, flow sensors, pressure sensors, oxygen sensing module, and Astral-specific assemblies such as the expiratory flow sensor (Astral 150) and heated flex cable system.

Technicians will find complete board layouts, exploded mechanical diagrams, system block diagrams, full calibration workflows, and post-PCB replacement procedures including System Error 75, serial/product code installation, and software update guidance.

📚 Table of Contents 

1. Specifications

• System Power Requirements

• Environment

• X-Ray Tube (not relevant—placeholder in PDF header)

• Beam Limiting Device

• X-Ray Source Assembly

• High Voltage Device

• C-Arm Stand (PDF structure header only)

• Astral 100 / 150 Actual Device Specs Include:

  • Main PCB

  • Pneumatic Block

  • Top Case Assembly

  • Sensors & Ranges

  • Internal/External Battery

  • Blower System

  • User Interface Assembly

2. Function & Operation

(All items below directly from retrieved text)

• Astral Device Purpose & Applications

• Models Covered:

  • Astral 100

  • Astral 150

• Differences Between Models

  • Preset Programmes

  • Circuit Types

  • Leak & Valve Therapy Modes

  • Apnea Ventilation

  • FiO2 Monitoring

• System Block Diagram

  • Main Controller

  • Power Block

  • Pneumatic Controller

  • Hardware Alarm Controller

• Patient Circuit Overview

  • Tubes, Water Traps, Humidification

  • Valve Types

  • Safety Valve

• Sensors List & Ranges

  • PEEP Valve Sensor

  • Inspiratory Flow Sensor

  • Outlet Pressure Sensor

  • Proximal Pressure Sensor

  • Trigger Pressure Sensor

  • Expiratory Flow Sensor (Astral 150 only)

  • Atmospheric Pressure Sensor

  • Oxygen Chemical Sensor

  • Ambient Temperature Sensor

  • Blower Temperature Sensor

• Operation of Ventilator

  • Inlet Air Path

  • Flow Control Module

  • Outlet Flow Sensors

  • Ventilation Modes

  • Blower and PEEP Systems

3. Corrective Maintenance

(From PDF lines L1–L23, L25–L76 etc.)

• Low Pressure O₂ Adapter

• Tee Tubing

• Heated Flex Cable (Astral 150)

• Main PCB

  • Removal / Replacement

  • Serial Number & Product Code Installation

  • Handling Expiratory Cable

  • PEEP Extension Tube

• After PCB Replacement

  • System Error 75 & Calibration

  • Error 65 Handling

• Chassis

• Oxygen Sensor

• Expiratory Flow Sensor (Astral 150 only)

• Membranes & Adapters

• Air Filter

• Unit Closing Procedure

• Astral External Battery

  • Battery Replacement

• Spare Parts List

4. Mechanical Assemblies (Appendix I)

• Exploded Mechanical Diagram

• Chassis Breakdown

• Bezel & LCD Module

• Membrane Keypad Layout

• Adapter Board

• Touch Panel Calibration Data

• Connectors & Routing

5. Sensors, PCB & Pneumatic Block (Details)

(From various extracted sections)

• Pneumatic Block Exploded View

• Subsystem Descriptions

• Sensor PCB

• Safety Circuit

• Blower Control

• O₂ Input Module

• Pressure & Flow Mapping

6. Additional Appendices

• Image Intensifier & CCD Camera (PDF structural residue header)

• Electrical Schematics

• Complete PCB Drawings

• Troubleshooting Notes

📄 File Details

Manual Name: Astral™ Series Service Manual – ResMed
Models Covered: Astral 100, Astral 150 Ventilators
Year: Not explicitly mentioned (ResMed Astral Series introduced ~2014–2018)
PDF Quality: High-resolution OEM; clear diagrams & schematics
Pages: ~158