Vyaire VELA, Service Manual

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5-2
Chapter 5: One-Year P.M. Procedure
33373-001 Version A
NOTE
When the batteries are disconnected, the system will automatically re-set the battery status
memory and will initiate a 24-hour re-charge cycle upon re-connect. During this period, the DC
status light will remain red for Approximately 2 hours and Amber for 16-18 hours, then it will go to
green and continue its trickle charge until complete.
If the charge cycle does not follow this sequence, please contact Vyaire technical support for
further assistance.
NOTE
The terms left and right refer to a view from the front of the unit looking towards the rear.
NOTE
All personnel performing preventive maintenance and product repair must be trained and certified
by Vyaire to service the product
5.3 Required Tools
Philips screwdrivers
Flat tip screwdrivers
Needle nosed pliers
¾” Open end wrench
Torque driver, calibrated to 7 in/lb and #2 driver bit
Muffler filter insertion tool, Vyaire P/N 27351-002
5.4 Procedure
5.4.1 Battery Duration Test
Below is a procedure that will identify if batteries need to be replaced as well as reset the Battery Charger
Controller. This test procedure will take approximately one hour to complete. The following settings should be
used for this test.
Control Control Setting Alarm Alarm Setting
Breath Mode Pressure A/C Low Ve 0.1
Rate 80 bpm High Rate OFF
Insp Pres 75 cmH2O Low Ppeak OFF
Insp Time 0.5 sec High Ppeak 120
PEEP 5 cmH2O Apnea Interval 60
Flow Trigger OFF
O2 21%