Service manual

10 Siemens-Elema AB E382 E380E 061 01 03 01
Introduction Servo Ventilator 300/300A
1
All PC boards in the control section (except
PC 1617 mentioned above) are accessible
when the control section cover is removed.
These PC boards are:
• PC 1605 REFERENCE & TIMING (1) with PC
1588 MICROPROCESSOR MODULE and REF-PROM
• PC 1616 INSPIRATORY CONTROL (2) with
PC 1588 MICROPROCESSOR MODULE and MIX-
PROM
• PC board (3);
– PC 1665 COMPUTER INTERFACE DUMMY or
– Optional PC 1587 COMPUTER INTERFACE (3)
with COM-PROM
• PC 1608 MONITORING (4) with PC 1588
MICROPROCESSOR MODULE and MON-PROM.
Patient unit
The upper part of the patient unit is the
pneumatic section. Under the lid of the
pneumatic section you will find the:
• Inspiratory channel (1) including O
2
cell
• Expiratory channel (2) including flow
transducer.
The inspiratory valves (gas modules) are
located in three different slots in the
pneumatic section:
• Inspiratory valve unit – AIR (3)
• Inspiratory valve unit – O
2
(4)
• Inspiratory valve unit – Optional (5).
The valve dummy in the third slot can be
replaced by an inspiratory valve for
administration of e. g. NO gas or by
equipment for nebulizing drugs (Servo
Ultra Nebulizer 345). These products are
described in separate documents.
3
4
2
1
300-A03X
3
4
5
2
1
300-A04X