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Medical Gas Supply System
No.
Description
6
Right Bank Running
Icon
7
Left Bank Empty
Icon
8
Right Bank Empty
Icon
9
MENU Zone
3.4.2
The controller screen alarm condition will
change as shown in Figure 17.
Figure 17 - Left Bank Low, Right Bank Running.
55
150
44.0
PSI
Alarm Output Conditions
Alarm Description
Normal
Change Cylinders
Change Cylinders Immediately
Low Line Pressure
High Line Pressure
Standby Running
Standby Low
Reserve Low
3.4.3
Press [Left Arrow] to check the low bank lock
out safety feature. The running bank will not change to
the empty side while the bank is showing low cylinder
pressure. At this situation the left select icon background
is gray. It can't be pushed to change over.
Icon
Condition
On
Off
On
Off
On
Off
Home Page
Alarm Page
Setting Page
Service Page
O2
1500
SCFH
51
1500
66.0
150
PSI
PSI
110.0
Condition
Off
On
Off
Off
Off
On
Off
Off
Figure 18 - Change Bank Lock Out, Low Cylinders.
55
150
PSI
3.4.4
Open 1 cylinder on the left hand bank to re-
pressurise. All conditions should return to normal as
per Figure 19.
Figure 19 - Normal, Right Bank Running.
1500
150
PSI
Alarm Output Conditions
Alarm Description
Normal
Change Cylinders
Change Cylinders Immediately
Pressure Fault
High Line Pressure
Standby Running
Standby Low
Reserve Low
3.4.5
With the right bank now set as duty (Press
[Right Arrow] to select if necessary). Ensure all right
hand cylinders are closed, then slowly drain the pressure
from the vent valve (shown in Figure 1, Item 6) until the
cylinder contents pressure is below the bank changeover
point (typically 150 psi for 55 psi supply, 300 psi for 100
and 180 psi supply). Stop draining the pressure once the
running bank has changed to the left hand side.
3.4.6
The controller screen and output alarm
conditions will change as shown in Figure 20.
23
O2
1500
SCFH
51
1500
44.0
66.0
150
PSI
PSI
110.0
O2
1500
SCFH
56
1500
44.0
66.0
150
PSI
PSI
110.0
Condition
On
Off
Off
Off
Off
Off
Off
Off
4109992459.00
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