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Ctrl logic
Speaker
Cooling
fan
Super
capacitors
Mains
Ext DC
Click-in
battery
Charge
ctrl
Charge
ctrl
Internal
battery
Ambient
pressure
LCD
Power
ctrl
Alarm
battery
ctrl
Backlight
LEDs
Buttons (top & front)
LEDs
SD card
Ethernet
USB
Patient and
accessory
interfaces
SPO2
E + CO2 or
P + CO2
Effort belt or
Remote start/
stop
Remote alarm or
Nurse call
Patient
heater
Patient
heater/
Isolation
ctrl
Blower
motor ctrl
See the below figure.
Lower Part Details
Ctrl logic
Patient
heater
Patient
heater/
Isolation
ctrl
Blower
motor ctrl
Ambient
air
8
Oxygen
FiO2
ADC
Pressure flow PCB
Patient air pressure sensor
Backup patient air pressure
Pilot valve pressure sensor
Flow sensor
Honeycomb x 3 (laminar flow)
Air bypass
chamber
sensor
Humidifier
heater plate
Latch detect
sensor
Swivel
Patient temp and
humidity sensor
See the above figure.
Blower motor
Silencer
Coarse filter
Fine filter
Patient air
circuit
Oxygen inlet
Ambient temp/
Humidity sensor
Doc. 007132 D-2
Vivo 45/Nippy 4 Series Service manual
Summary of Contents for Nippy 4 Series
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