Revision

Description of Technical Manual Change

Date Issued

 

A

First release technical manual.

12 Jan. 1999

 

 

Covers Revision A PCB’s ONLY.

 

 

B

Second release technical manual.

6 May 1999

 

 

Covers Revision C and later PCB’s ONLY.

 

 

C

Add “View850” Software Instructions

1 Mar. 2000

 

 

 

 

 

D

Neonatal volume ventilation capability.

15 May 2001

 

 

3.4 Performance

 

 

 

4.1.2 Power Up sequence.

 

 

 

4.1.3 Manual Temperature Compensation (TC).

 

 

 

5.3 Cleaning Instructions

 

 

 

Appendix E – Product Change History.

 

 

E

Covers release of software version 6.00.

1 November 2001

 

 

3.4 Performance

 

 

 

Recommended Operating Temperature: 15 to 26ºC

 

 

 

4.1.1 Stand-by.

 

 

 

Changed stand-by power limits.

 

 

 

4.1.3 Humidity Compensation (HC) mode.

 

 

 

Auto HC mode option.

 

 

 

4.2 Humidifier Controls

 

 

 

Power button must be held for 1 second to switch OFF.

 

 

 

4.4 Setup Indicators

 

 

 

Two LED’s now indicate heater wire connect alarm.

 

 

 

4.5 Operational Alarms

 

 

 

Low temperature alarm enabled during stand-by.

 

 

 

6.4 Diagnostic Menu

 

 

 

“OFF” Offset removed from diagnostic menu.

 

 

 

 

 

 

F

Covers release of software version 7.00.

2 April 2002

 

 

3.4 Performance

 

 

 

Recommended Operating Temperature: 18 to 26ºC

 

 

 

4.1.3 Humidity Compensation (HC) mode

 

 

 

Changed step size to 1 °C in non-invasive mode

 

 

 

4.1.4 Breathing Circuit Recognition added

 

 

 

6.3 See – Manual, Error Codes

 

 

 

removed redundant error code “E33”

 

 

 

6.4 Diagnostic Menu

 

 

 

add new functions “CHP” and “Cct”

 

 

 

 

 

 

G

Technical manual now covers software versions 5.45, 5.70, 6.00, 7.00

1 May 2003

 

 

and 7.14

 

 

 

The following sections have been modified: 3.3, 4.1.3, 4.1.5, 4.4, 5.3,

 

 

 

6.4, 7.2.3, 7.2.6, Appendix E

 

 

 

 

 

 

H

Added Non-Heater Wire Mode in sections 3.0, 4.0, 6.0, and updated

1 July 2004

 

 

Product Change History

 

 

I

8.1.2 Humidifier Calibration Check – Equipment Required

1 August 2005

 

 

Removed the reference to the service kit

 

 

 

10 Spare Parts

 

 

 

Added parts 17 to 22.

 

 

 

12.1 Introduction

 

 

 

Updated how to get View850 and the serial cable

 

 

 

12.2 Installation

 

 

 

Changed View850 installation from floppy disk to CD

 

 

 

12.3.1 Viewing Humidifier Data

 

 

 

Updated how to run View850 and how to change the com. Port

 

 

 

Add section, 13. EMC Information

 

 

 

 

 

 

MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal)

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