Mindray A7 Service Manual

Gas Flow Theory of Operation
1 - 14 046-006272-00 A7™ Service Manual
1.3.3 Key to Symbols
1.3.4 Description
1.3.4.1 Anesthetic Gas Delivery System
The anesthetic gas delivery system is connected to the gas supply, anesthetic gas delivery device
(vaporizer) and breathing system. The system inputs N2O, O2 and AIR from the gas supply assembly
and outputs gas mixture of the three gases and anesthetic agent (fresh gas), pure O2 (high-pressure
O2 output , auxiliary O2 supply and flushing O2), or AIR-O2 mixture. The following figure shows the
pneumatic circuit of the anesthetic gas delivery system.The ACGO is configured in electrical modes
FIGURE 1-5
Filter Regulator
Pressure Gauge
Check Valve
Gas Supply Connector Pressure Relief Valve
Flowmeter Flow Control Valve
Pressure Switch Flow Restrictor

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