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Form No. 702718 Rev. A March, 2005 43
Owner’s Manual - Regal Intensive Care Unit
The alarm system on the Regal Intensive Care Unit warns you if
there is a problem with the oxygen supply or concentration.
1. Open the electronics compartment (refer to Page 57).
2. Set the alarm time delay relay to 30-seconds (Figure 46).
3. With the calibration knob (Figure 45), adjust the black
calibration needle in the oxygen concentration meter to
20.5% (the percentage of oxygen in atmospheric air).
4. With the set-point adjustment knob, position the red set-
point needle to about 30%.
5. Push the main on/off switch (Figure 40) to On. The amber
light in the switch comes on.
6. Push the oxygen on/off switch (Figure 44) to On. The amber
light in the switch comes on.
7. Push the alarm on/off switch (Figure 47) to On. The amber
light in the switch comes on.
Checking the
Alarm Function
Figure 47. Alarm Controls
On/Off
Switch
System
Light
8. After 30-seconds, since oxygen is not hooked-up, the
system senses that the oxygen concentration is inadequate.
The audible alarm sounds and the red system light goes on.
9. Move the red set-point needle to 10%. As the red needle
passes the black needle, the audible alarm stops. Both the
alarm and oxygen system lights go out.
Figure 46. Alarm Time Delay Relay
Delay Adjustment Knob