NORTH AMERICAN DRÄGER Drager KIT AV2 Plus User manual
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Kit, AV2+ Ventilator
Upgrade for Narkomed 2C
INSTALLATION PROCEDURE
The following procedure applies to Narkomed 2C machines with an AV2 ventilator, and provides
the instructions needed to install an AV2+ ventilator controller and its interface cables.
Removing the AV2 ventilator
controller:
1. Turn the System Power switch to
STANDBY and remove AC power
from the machine.
2. Disconnect all pipeline hoses and
close all cylinder valves.
3. If applicable, remove any optional
second shelf assemblies from the
machine.
CAUTION: The ventilator controller
circuit board contains static
sensitive devices. Use ESD
protection when handling
the controller assembly.
4. Remove the ventilator box top cover
and disconnect its ground wire.
5. Remove the two screws securing the
left end of the ventilator controller
panel. See Figure 1.
6. Pull the left side of the panel
outward, slide it to the left until the
locking tab on the right side of the
panel is clear of its receptacle, then
pull the assembly out far enough to
gain access to its connections.
7. Disconnect the alarm channel
wiring harness from J2 on the
controller circuit board.
8. Disconnect the following large and
small diameter pneumatic tubing
(the letters are keyed to the
illustration):
A: Small dia. tube from
solenoid to rear vent fitting
on bellows box
B: Large dia. tube from supply
valve to venturi
C: Small dia. tube to auto-
ranging valve
D: Large dia. tube from main
switch (O
9. Remove the controller and bezel
assembly from the machine.
supply)
2
1
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INSTALLATION PROCEDURE (continued)
SP16201
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TO VENTURI
TO AUTO-
RANGING VALVE
TO VENT
RETAINING
SCREWS (2X)
O2 SUPPLY
TOP VIEW OF
CONTROLLER
ASSEMBLY
IN VENTILATOR
BOX
D
B
C
A
AV2 CONTROLLER
ASSEMBLY
Figure 1: AV2 VENTILATOR CONTROLLER ASSEMBLY REMOVAL
2
J2 (ALARM CHANNEL
WIRING HARNESS)
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INSTALLATION PROCEDURE (continued)
Removing the interface panel blank:
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10. At the back of the machine, remove
the cover from the wiring channel
and interface housing. See Figure 2.
WIRING CHANNEL
COVER
(ON OPPOSITE SIDE)
INTERFACE
HOUSING
11. Remove the blank interface panel
from the interface housing.
XXXXX
XXXXX
XXXXX
XXXXX
XXXXX
XXXXX
XXXXX
INTERFACE
XXXXX
PANEL BLANK
(REMOVE)
SP16202
LEFT SIDE VIEW
Figure 2: INTERFACE HOUSING - COVER AND BLANK PANEL REMOVAL
3
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INSTALLATION PROCEDURE (continued)
Installing the new selector interface
panel assembly:
12. On the new selector interface panel
assembly (P/N 4113090-001), slide
the bulkhead bushing to the
connector end of the cable and
temporarily tape the bushing to the
cable. See Figure 3.
13. Feed the connector end of the cable
up through the back of the interface
housing and wiring channel up into
the ventilator box.
Continue feeding in the cable until
the new selector interface panel can
be positioned in the interface
housing opening.
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14. Install the new interface panel in
the housing with the hardware that
previously retained the blank panel.
15. Remove the ground lug retaining
nut (see Figure 3). Install the
interface panel ground lug on the
stud, add a #6 ext-t lock washer
(P/N HW68000) and reinstall the
retaining nut.
16. Reinstall the wiring channel cover.
4
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