Heyer Modular+, Service Manual

Page: 39 / 114

Repair Information
39
2.15.2.7.1 Status of the diaphragm/membrane valves:
The diaphragm valves are pneumatically operated by solenoid valves. The following list shows the
correspondence between diaphragm valve, solenoid valve and pressure port.
Valve Bellows valve Exp. valve Decoupling valve
controlled by MV 1 MV 2 MV 4 MV 3
connected to port # 5 1 3 6
wire # 5, 6 7, 8 1, 2 3, 4
In the following the status of the diaphragm/membrane valves are shown corresponding to the
selected ventilation mode of the ventilator.
2.15.2.7.2 Machine OFF or Ventilator In Standby
Valve MV 1 MV 2 MV 3 MV 4
Activity OFF OFF OFF OFF
Pressure on port 5, No 1, No 6, No no sup. of MV2
2.15.2.7.3 Manual / Spontaneous Mode, INSPIRATION and EXPIRATION
Valve MV 1 MV 2 MV 3 MV 4
Activity OFF OFF OFF OFF
Pressure on port 5, No 1, No 6, No no sup. of MV 2
2.15.2.7.4 CMV Child / Adult Mode, INSPIRATION
Valve MV 1 MV 2 MV 3 MV 4
Activity ON ON ON ON
Pressure on port 5, Yes 1, Yes 6, Yes supply of MV 2
2.15.2.7.5 CMV Child / Adult, EXPIRATION
Valve MV 1 MV 2 MV 3 MV 4
Activity OFF OFF OFF OFF
Pressure on port 5, No 1, No 6, No no sup. of MV 2
2.15.2.7.6 CMV Adult, EXPIRATION and PEEP
Valve MV 1 MV2 MV3 MV4
Activity OFF ON OFF ON
Pressure on port 5, No 1, Yes 6, No supply of MV2