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3100B HFOV Operator Manual - CareFusion

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<strong>Operator</strong>’s <strong>Manual</strong> 47<br />

REF CONTROL<br />

FUNCTION<br />

20 Inlet From Blender DISS oxygen fitting for connection to an inline Inlet Filter Cartridge and then to the External<br />

Air/O2 Blender output. The nominal pressure of the blender output gas should be 50 psig. The<br />

Source Gas Low yellow LED will light if the pressure at the inlet drops below 30 psig ±5%.<br />

This input connection is protected from over-pressure by a 75 psig mechanical relief valve.<br />

More details regarding this protection are listed in Chapter 3, Specifications.<br />

21 Outlet to Humidifier Connector which provides bias flow to the inlet of the External Humidifier. This is a 3/8" barbed<br />

fitting which is over-pressure protected by a 5 psig mechanical relief valve. The Patient Circuit<br />

assembly procedures associated with this connector are discussed in Chapter 6, Assembly<br />

and Installation.<br />

22. Pressure Transducer See Chapter 8.<br />

Zero Adjustment<br />

23. Pressure Transducer See Chapter 8.<br />

Span Adjustment<br />

24. Elapsed Time Meter Indicates the total accumulated time in hours that power has been applied to the Model <strong>3100B</strong>.<br />

Detailed specifications of this meter are discussed in Chapter 3.<br />

25 Power Failure Alarm<br />

Battery and Battery<br />

A metal cover (fastened by 2 screws) behind which is a 9-volt alkaline battery. Battery Low<br />

LED (15) on front panel indicates when this battery needs to be changed. It can be replaced by<br />

Compartment<br />

any high quality 9-volt alkaline battery. Note: remove the 9-volt battery if the instrument is not<br />

intended to be used for a lengthy period.<br />

26. Position Lock Locks the Control Package in the rotational position selected by the user. When this lock is<br />

rotated counterclockwise, it allows the rotation of the Control Package over an arc of nearly<br />

360°. This permits viewing of the Model <strong>3100B</strong> front panel from an angle independent of the<br />

Patient Circuit outlet orientation.<br />

After the desired position has been selected, rotation of the knob in a clockwise direction will<br />

lock the enclosure in the selected position.<br />

Rotation of the knob slightly counterclockwise from fully locked will apply friction to prevent the<br />

enclosure from easily being rotated without actually fixing it in place.<br />

More on the subject of positioning of controls is discussed in Chapter 6, Assembly and<br />

Installation.<br />

27. Air Cooling Inlet An Air DISS fitting for connection through an in-line Inlet Filter Cartridge to hospital air supply<br />

which provides the oscillator with cooling gas. The nominal pressure of the hospital air should<br />

be 50 psig at the required 25 LPM rate. The Source Gas Low yellow LED will light if the<br />

pressure at the inlet drops below 30 psig ±5%.<br />

28. Blender Clooing Gas<br />

Filter Replacement<br />

Record<br />

29. Driver Replacement<br />

Record<br />

During normal maintenance as described in Chapter 8, record the reading on the Elapsed<br />

Time Meter for quick reference.<br />

During normal maintenance as described in Chapter 8, record the reading on the Elapsed<br />

Time Meter for quick reference.<br />

767164–101 Rev. R

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