A-2 
 
A.1.2 Parts List 
Symbol  Description  Symbol  Description 
Air 
Low-Pressure 
Inlet 
Air supply (low pressure)  SOL1 Zeroing three-way valve 
F1  Dust filter (Air)  PI  Inspiratory pressure sensor 
F2  HEPA filter (Air)  F6 
Inspiratory pressure sensor 
filter 
Pfilter  Vacuum sensor (Air)  Humidifier  Humidifier 
O
2
 
Low-Pressure 
Inlet 
O
2
 supply(low pressure)  WT1  Water trap 
CV1 Check valve  Patient Patient  
O
2
 
High-Pressure 
Inlet 
O
2
 supply(high pressure)  NCV  Nebulizer switch 
F3 Filter (O
2
) R1 Nebulizer resistor 
REG  Regulator   Nebulizer  Nebulizer  
PSOL  Proportional solenoid valve  WT2  Water trap 
F4 Filter screen  F7 
Bacteria filter (connecting to 
inspiratory port) 
Q1  Flow sensor  Q3  Expiratory flow sensor 
SD1 
Level 1 mixed noise 
reduction chamber 
F8 
Bacteria filter (connecting to 
patient port) 
Tblower Temperature sensor  F9  Filter 
Blower Turbine blower   F10  Filter 
SD2 
Level 2 mixed noise 
reduction chamber 
SOL2 Zeroing three-way valve 
Heat Exchanger  Heat exchanger  SOL3 Zeroing three-way valve 
Insp. valve  Inspiration valve  PQ3 
Expiratory differential 
pressure sensor 
OS O
2
 concentration sensor  PE  Expiratory pressure sensor 
F5 Filter screen  F11 Filter 
Q2 Flow sensor  R2 Resistor 
CV2 Check valve  R3  Resistor 
SV  Safety valve  EV  Expiration valve 
Atmosphere Atmosphere  CV3  Expiratory check valve 
Note: the nebulizer mentioned in this manual shall be the legal product with medical device 
certificate registered in the People’s Republic of China. This requirement applies to 
nebulizers mentioned in other places than here.