Mindray A7 Service Manual

A7™ Service Manual 046-006272-00 iii
Table of Contents
Breathing System Leak Test.............................................................................................................................................................................3 - 9
Automatic Backup Flow Control Test........................................................................................................................................................ 3 - 16
Check the AG Module Accuracy................................................................................................................................................................. 3 - 20
Gas Module Verification................................................................................................................................................................................. 3 - 21
Gas Delivery System Tests............................................................................................................................................................................. 3 - 21
Check the Sensor Zero Point........................................................................................................................................................................ 3 - 24
Check the Flow Sensor Accuracy................................................................................................................................................................ 3 - 25
Check the Pressure Sensor Accuracy......................................................................................................................................................... 3 - 28
Total Flow Sensor Self Test............................................................................................................................................................................ 3 - 33
Pneumatic Leak Tests ..................................................................................................................................................................... 3 - 33
Line Pressure Gauges Accuracy Test ......................................................................................................................................................... 3 - 33
N2O Cylinder Leak Test .................................................................................................................................................................................. 3 - 34
O2 Cylinder Leak Test...................................................................................................................................................................................... 3 - 34
AIR Cylinder Leak Test..................................................................................................................................................................................... 3 - 34
Line Pressure Leak Tests................................................................................................................................................................................. 3 - 35
Breathing System Checks.............................................................................................................................................................. 3 - 37
Waste Gas Scavenger Test (if available) ................................................................................................................................................... 3 - 37
Internal Gas Connections Test..................................................................................................................................................................... 3 - 37
Drive Gas Pressure Loss Alarm, N2O Cutoff Test................................................................................................................................... 3 - 40
Performance Verification............................................................................................................................................................... 3 - 41
Manual Mode Ventilation Test..................................................................................................................................................................... 3 - 41
APNEA Alarm Test ............................................................................................................................................................................................ 3 - 41
Alarm Silence Test............................................................................................................................................................................................ 3 - 41
VCV Adult Ventilation Mode Test ............................................................................................................................................................... 3 - 42
VCV Child Ventilation Mode Test................................................................................................................................................................ 3 - 42
Airway Disconnect Alarm Test..................................................................................................................................................................... 3 - 43
PCV Adult Ventilation Mode Test ............................................................................................................................................................... 3 - 43
Pressure Support (PS) Ventilation Mode Test ........................................................................................................................................ 3 - 44
Alarms and Fail safe Functions.................................................................................................................................................... 3 - 44
Set Up.................................................................................................................................................................................................................... 3 - 44
Low O2 Alarm Test........................................................................................................................................................................................... 3 - 45
High O2 Alarm Test.......................................................................................................................................................................................... 3 - 45
Peak Pressure Alarms Test............................................................................................................................................................................. 3 - 45
Minute Volume Alarm Test ........................................................................................................................................................................... 3 - 46
Miscellaneous Tests......................................................................................................................................................................... 3 - 47
Test the Line Voltage Alarm.......................................................................................................................................................................... 3 - 47
Top Light and Auxiliary Light Test.............................................................................................................................................................. 3 - 47
Touchpad Test................................................................................................................................................................................................... 3 - 47
Module Rack Functional Test ....................................................................................................................................................................... 3 - 47
Vaporizer Interlock Test................................................................................................................................................................. 3 - 48
For 2 vaporizer Mount .................................................................................................................................................................................... 3 - 48
For 3 vaporizer Mount .................................................................................................................................................................................... 3 - 48
Vaporizer Accuracy Test ................................................................................................................................................................ 3 - 49
Suction Regulator Test................................................................................................................................................................... 3 - 49
Electrical Tests................................................................................................................................................................................... 3 - 50
Auxiliary Electrical Outlet Test ..................................................................................................................................................................... 3 - 50
Electrical Safety Inspection Test.................................................................................................................................................................. 3 - 50
Electrical Safety Inspection Form................................................................................................................................................................ 3 - 51
Calibration............................................................................................................................................................ 4 - 1
Introduction..........................................................................................................................................................................................4 - 2
Calibration Warnings, Precautions, and Notes.........................................................................................................................4 - 2
Warnings.................................................................................................................................................................................................................4 - 2
Cautions..................................................................................................................................................................................................................4 - 2
Notes........................................................................................................................................................................................................................4 - 3
System Calibration..............................................................................................................................................................................4 - 3
Flow Calibration (User)......................................................................................................................................................................................4 - 4
Flow Calibration (Service).................................................................................................................................................................................4 - 8
Pressure Calibration (Service) ...................................................................................................................................................................... 4 - 30
Pressure and Flow Zeroing (Service) ......................................................................................................................................................... 4 - 45

Mindray A7 Specifications

General

Type	Anesthesia Workstation
Brand	Mindray
Model	A7
Display	15-inch color touchscreen
Oxygen Flush	Yes
Gas Inlets	O2, N2O, Air
Ventilation Modes	SIMV, PSV
Breathing System	Integrated
Gas Monitoring	O2, CO2, N2O
Monitoring Parameters	FiO2
CO2 Monitoring	Mainstream or Sidestream
Power Supply	100-240 V, 50/60 Hz