BIO-MED DEVICES Crossvent-2i+ - 3- Circuit Schematics

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IX. PARTS LIST AND SCHEMATIC DIAGRAMS- CONT.

3- CIRCUIT SCHEMATICS

GROUND TEST POINTS

POWER SUPPLY

Main PCB schematic page 1 of 6

Main Page

Table of Contents2
I. Patient Safety , Warnings, and Cautions6
Warnings6
Cautions9
Notes10
Symbols12
II. Unpacking and Accessories14
A- Unpacking14
B- Accessories14
Specifications, Connections and User Interface15
A- General Description15
B- Specifications16
C- Additional Specifications16
D- Manual Controls and Connections17
1- Front of Ventilator17
L/Min (LFLOW) KNOB17
Pip Knob17
Peep Knob17
Audible Tone Generator17
Alarm Led17
Power On/Off Switch17
Alarm Reset Switch17
2- Rear of Ventilator18
Gas Supply Inlet18
External Electrical Supply Connector18
Battery18
Patient Outlet19
Exhalation Valve Connector19
Airway Pressure Connector19
Pneumotach Connectors19
Oxygen Sensor Connector19
Maximum Pressure Relief Valve20
Negative Pressure Relief Valve20
E- Display Interface & Menus21
1- Display Overview21
2- Backlight & Pressure Bar Graph21
Backlight21
Airway Pressure Bar Graph21
3- Main Menu21
Assist Control (A/C)22
Simv22
Cpap22
Manual22
Constant Flow22
Flow Trigger22
Pressure Support23
Rate23
Simv Rate23
Backup Rate23
Tidal Volume (Tv)23
Insp23
I, E, I/E Key23
Flow Key23
4- Alarm Menus24
Alarm Key24
Notes Regarding Alarms25
5- Keys Common to All Menus26
Lock26
Alarm Quiet26
Arrow Keys26
Auto Set26
Power Source Key27
Inspiratory Source Key27
Setup Key27
IV . Setup and Operating Instructions29
A- Patient Circuit29
B- Operating Instructions30
1- Preliminary Steps30
2- Detailed Operating Instructions31
3- Summary of Operating Instructions32
Setup Menu and Troubleshooting33
A- Setup Menu33
1- Oxygen Sensor Calibration33
2- Leak Test33
3- Circuit Compliance & Pneumotach Checkout33
This Test May be Used to Check the Circuit Compliance and Confirm the Integrity of the Pneumotach33
4- Tv/Insp Preference34
5- Languages34
6- VER (Version)34
7- SN (Serial Number)34
B- Calibration Menu (Cal)35
C- Operational Troubleshooting36
VI. Cleaning, Sterilization and Packing38
A- Cleaning and Sterilization38
B- Packing for Shipment39
VII. Theory of Operations41
A- System Components42
Supply Inlet Filter42
Airway Pressure Transducer42
Differential Pressure Transducer42
Diaphragm Actuated Relief Valve (D.a.r.V.)42
2-Way Pressure Relief Valve42
B- Assist Control Mode43
C- SIMV (Synchronized Intermittent Mandatory Ventilation) MODE44
D- CPAP (Continuous Positive Airway Pressure)45
E- Backup Modality46
Maintenance and Service47
A- Setup & Calibration Menu Overview47
1- Setup Menu Overview47
Oxygen Sensor Calibration47
Leak Test47
Insp/Tv47
Languages47
VER (Version)47
SN (Serial Number)47
2- Calibration Menu Overview48
Battery48
Pressure Transducer48
Flow Calibration48
Touchscreen (Calibration)48
KEYS (Touchscreen Test)48
Display (Lcd) Test48
Valves49
Hours49
Factory Serviced49
B- Performance Checks50
1- Setup Menu50
Oxygen Sensor Calibration50
Leak Test50
2- Calibration (Cal) Menu50
Keys50
Display50
Flow Verification50
Flush51
Base Flow51
Pop off51
3- Main Menu51
Bar Graph Accuracy51
Peep Pressure Signal51
Battery Alarm51
External Power Failure Alarm52
Power Failure Alarm52
Alarm Quiet52
Backlight52
Lock52
Auto Set52
Rate52
Tidal Volume52
Alarm Menus53
Flow Trigger53
Constant Flow Mode53
Simv Backup Rate53
Pressure Support53
Manual53
C- Recommended Tools and Test Equipment54
1- Special Tools and Test Equipment54
D- Preventative Maintenance55
1- Recommended Maintenance Schedule55
Timeline55
Gas Inlet Filter55
Battery Check55
2- Preventive Maintenance Parts Kits55
E-Software Upgrades56
F- Pneumatic Calibration57
G- Disassembly & Reassembly Instructions63
Rear Panel63
Battery Removal & Replacement63
Front Bezel64
Display/Touchscreen64
Printed Circuit Board (Pcb)64
Complete Pneumatics as an Assembly65
Pneumatic Valve Bracket Assembly65
Flow, Pip & Peep Valves65
Solenoids66
10. Gas Input Filter67
11. Preventive Maintenance Kits67
H- Technical Troubleshooting68
IX. Parts List and Schematic Diagrams70
A- Replacement Parts List70
B- Schematics71
1- Pneumatic Schematics71
3- Circuit Schematics74
Warranty85
Abbreviations86
Default Settings87
Summary of Disabled Functions88
Audible Alarm Codes89
Chargers and Inverters89
EMC Compatibility91
Additional Guidance and Manufacture's Declaration - Electromagnetic Emissions/Immunity91
Training Recommendations94
Device End-Of-Life Disposal95
Index96

BIO-MED DEVICES Crossvent-2i+ - 3- Circuit Schematics

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