Pre-use testing – Precision Medical Air-Oxygen Blender User Manual
Page 10

9
Blender
Air-Oxygen
COMPONENT dESCRiPTiON
continued
ITEM
DESCRIPTION
F
Air inlet Fitting
A male DISS or NIST air fitting with one way valve
that is used to connect an air supply hose
.
g
Alarm
An audible alarm that sounds due to an excessive
pressure drop or deletion of either gas supply.
H
Manifold Outlet (Optional)
manifold with 3 primary outlets.
i
Rear Slide Mount with dove tail.
PRE-USE TESTiNg
WARNiNg
•
Read this User manual before installing or operating the
Air-Oxygen Blender.
•
Confirm the concentration of air/oxygen with an Oxygen
Analyzer/monitor.
CAUTiON
Inspect the Air-Oxygen Blender for visual damage before
use, DO NOT USE if damaged.
NOTE: The tests listed below should be performed prior to
placing the Blender in service.
Pre-Use Testing consists of:
• Alarm Test
• Reverse Gas Flow Procedure
1. Secure the Air-Oxygen Blender to a wall or pole bracket in an
upright position.
2. It is recommended to install a condensation trap in the air
supply line.
3. Connect the air and oxygen supply lines to the appropriate
inlet fittings on the bottom of the Blender.
4. Attach a flowmeter, or other metering device to one of the outlet
ports and verify F
I
O
2
range for accuracy with an oxygen analyzer
.