Vyaire VELA, Service Manual

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1-1
33373-001 Version A
Chapter 1: Introduction
1.1 General Instructions
When disassembling or assembling the VELA, refer to the pneumatic schematic, tubing diagram,
and the wiring diagram shown in Appendix B and the appropriate schematics and assembly
drawings for each assembly. The illustrations shown in this manual are for reference only, current
revisions of these diagrams and schematics are available to qualified personnel from Vyaire,
Technical Support.
Always take standard ESD precautions when working on VELA ventilator systems.
Ensure the ventilator is disconnected from the AC power supply before performing and repairs or
maintenance. When you remove any of the ventilator covers or panels, immediately disconnect the
internal battery “Molex” connector (see Figure 3-1) before working on the ventilator.
1.2 Recommended Tools & Equipment
NOTE
Use of a calibrated flow/volume analyzer will be necessary to confirm the function of the Vela. The
flow/volume analyzer should be calibrated as per manufacturers’ recommendations.
Long & short Philips screwdrivers
Flat bladed screwdriver
1/8” ID Tubing tee P/N 00358 D (10pk)
¼” Nut Driver 1/8” ID silicone tubing P/N 04029 X (50ft)
5/16” Nut Driver
Adult Test Lung P/N 33754
11/32” Nut Driver
Adult Patient Circuit P/N 10684
Digital Volt Meter Variable Orifice Flow Sensor assembly P/N
15972
Tack puller or Needle nosed pliers Valve Body P/N 20005
Diagonal cutters Tapered nipple P/N 00680
1” and ¾” open ended wrenches
Hex nut P/N 00822
Calibrated Pressure Manometer
(cmH
2
O and psig)
Regulator P/N 6754