Mindray A5 Service Manual

A5/A3™ Service Manual 046-001141-00 1 - 53
Theory of Operation Ventilator Control and Drive
3 7Vout Inspiration Valve Power Supply
4INSP_VALVE Inspiration Valve Drive Signal
5 7Vout PEEP Valve Power Supply
6 PEEP_VALVE PEEP Valve Drive Signal
7 12V Three-way Valve Power Supply
8 SOLENOID_VALVE1 Three-way Valve Drive Signal 1
9 12V Three-way Valve Power Supply
10 SOLENOID_VALVE2 Three-way Valve Drive Signal 2
11 12V Three-way Valve Power Supply
12 SOLENOID_VALVE3 Three-way Valve Drive Signal 3
13 12V Three-way Valve Power Supply
14 SOLENOID_VALVE4 Three-way Valve Drive Signal 4
15 RSVD Reserved
16 RSVD Reserved
17 RSVD Reserved
18 VF Thermal Mass Sensor Flow Sensor
19 12V Sensor Board 12V pPower Supply
20 GND Ground
21 NC No Connection
22 NC No Connection
23 NC No Connection
24 GND Ground
25 O2_PRE_SW O2 Pressure Switch Signal at Gas Supply Inlet
26 GND Ground
27 PNEUM_PRES_SW Pneumatic Block Pressure Switch Signal
28 GND Ground
29 MANU_AUTO_SW Auto/Manual Switch Signal
30 GND Ground
31 CO2_BYPASS_SW Circuit CO2 Absorber Canister Signal
32 GND Ground
33 NC No Connection
34 GND Ground
35 O2+ O2 Concentration Signal
36 O2- Ground
37 LOOP_SW Circuit Switch
38 GND Ground
39 NTC_R11 Signal of Thermistor 1
40 NTC_R12 Signal of Thermistor 2
41 NTC_R21 Signal of Thermistor 1
42 NTC_R22 Signal of Thermistor 2
43 HEA_PWR_15V Heater Drive Voltage Signal
44 HEA_PWR_15V Heater Drive Voltage Signal
45 GND Ground
PIN NAME FUNCTION

Mindray A5 Specifications

General

Brand	Mindray
Model	A5
Category	Medical Equipment
Language	English