Checking The Mains Failure Alarm - Weinmann OXYMAT 3 Servicing And Repair Instructions

9. After waiting for a short while, read the oxy-
gen concentration from the oxygen measuring
device.
It should be between 90 and 95 % by volume.
10. Re-connect the connecting tube
11. If the O concentration is outside the tolerance
2
range, proceed as described in "6.3 O
centration outside tolerance range" on
page 27.
When operating with a flowmeter:
7. Connect the oxygen measuring device:
– To do this, remove connecting tube
connection of the flowmeter and use
29
breathing tube WM 5772 to make a con-
nection between connection
oxygen measuring device;
or
– Unscrew the union nut from the flowmeter
and attach the connecting tube to the
OXYcontrol at this point with the union nut.
8. Using the flow control knob
4 l/min.
9. After waiting for a short while, read the oxy-
gen concentration from the oxygen measuring
device.
It should be between 90 and 95 % by volume.
10. Re-connect the connecting tube
11. If the O concentration is outside the tolerance
2
range, proceed as described in "6.3 O
centration outside tolerance range" on
page 27.

5.3.10 Checking the mains failure alarm

Note:
As power is supplied to the alarm function via a capacitor, the OXYMAT 3 should first be operated for 5 minutes
to allow the capacitor to charge.
1. Pull the power cord from the socket or from the
device.
2. Check whether the following displays and
alarms occur:
– : The device emits a continuous
Acoustic
tone.
– : The red fault indicator
Optical
the green power indicator
3. Re-make the connection to the mains.
Now:
– The acoustic alarm should be silenced.
– The red fault indicator
14
Functional check
.
11
con-
2
from
17
and the
29
set a flow of
27
.
17
con-
2
lights up;
18
is off.
20
should go out.
18
O / I O
20
Oxygen appliance!
Increased
fire risk!
– The green power indicator
on.
– The appliance should start up.
4. Switch off the appliance at the On/Off knob
27
29
17
O/ I
2
18
should be
20
.
2