Servicing The Pan Electrical Enclosure Components; Electronic Gas Mixer Assembly - Datex-Ohmeda S/5 Avance Technical Reference Manual

9.7 Servicing the pan electrical enclosure components

9.7.1 Electronic
Gas Mixer
assembly
1009-0357-000 11/03
The pan electrical enclosure includes the following components (Section 10.9):
• the Electronic Gas Mixer assembly
• the Ventilator Interface board
• the Filter board
• the Pan Connector board
• the pan enclosure fan
To replace these components, remove the tabletop (Section 9.3) and the pan
enclosure cover.
The following procedure describes how to replace the Electronic Gas Mixer assembly.
1. Bleed all gas pressure from the machine (Section 9.1).
2. Ensure that all cylinder and pipeline pressures read zero before proceeding.
3. Disconnect the inlet tubing elbow fittings from the manifold. If the machine does not
include N O, transfer the plug from the N
2
4. Disconnect outlet tubing elbow fitting (A).
B
A
D
5. Disconnect the ribbon cable from the Pan Connector board (B).
6. Disconnect the fan harness (C).
7. Remove the two screws (D) that hold the manifold to the enclosure.
8. Remove the mounting screw (E) at the front edge of the main circuit board.
9. To replace the Electronic Gas Mixer assembly, reassemble in reverse order.
9 Repair Procedures
O inlet to the replacement assembly.
2
Alt
O
N O
Air
2
2
O
2
E
C
D
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