C-Aire eQuinox PAOS 4000 User manual

eQuinoxTM
Personal Ambulatory Oxygen System (PAOS)TM
Model 4000
PROVIDER TECHNICAL MANUAL

20771733 D 2
General Information................................................................... 3
Warning and Caution Statements...................................................................3
Introduction to the eQuinox Oxygen System........................... 4
eQuinox Oxygen System Specications ................................... 5
Pulse Dose Mode Specications ......................................................................6
Power Accessory Specications........................................................................6
Compressor and Compressor Enclosure.....................................................7
Power Distribution ....................................................................................................7
Control Board ...............................................................................................................7
Continuous Flow Mode .........................................................................................7
Pulse Dose Mode .......................................................................................................7
Pulse Proles .................................................................................................................7
Service Mode Functions........................................................................................8
EDAT ...................................................................................................................................8
Power Supplies............................................................................ 9
AC Power Supply........................................................................................................9
DC Power Cable..........................................................................................................9
Battery Pack ...................................................................................................................9
Charging Algorithm ..............................................................................................11
Introduction ............................................................................. 12
Pre-Delivery Check List........................................................................................12
Adjusting Rise Time ...............................................................................................12
Connecting the AC Power Supply................................................................12
Monthly Maintenance—Patient .............................................. 13
Care for the Battery Pack ....................................................................................13
Calibrating the Battery Pack.............................................................................13
eQuinox Monthly Run-Time Procedure ....................................................13
Annual Maintenance
Procedures .......................................................................... 14
Remove and Replace 9-Volt Battery and
Compressor intake Filter............................................................................14
Assembly and Alarm Verication Tests ......................................................17
Electrical Safety Test .............................................................................................17
Cleaning the eQuinox .........................................................................................17
Provider Service and Maintenance Record.............................................18
Table of Contents
Voice Module Operation .......................................................... 19
Voice Module Operational Instructions....................................................19
Enable/Disable the Voice Module ................................................................19
Increase/Decrease the Volume of Vocal Notications .....................19
Changing Voice Module Language.............................................................19
eQuinox Voice Message Alert Descriptions Table...............................20
eQuinox Voice Message Alert Descriptions............................................20
Troubleshooting, Service, and Repair Procedures................. 21
Alarm Conditions and Alarm Codes ........................................ 22
Malfunction Codes.................................................................... 23
Servicing the eQuinox.............................................................. 25
I. Removing/Replacing the Back Cover.....................................................25
II. Removing/Replacing the Handle and Speaker...............................26
III. Removing/Replacing the Back Cover Foam
and Intake Muer Section.......................................................................26
IV. Removing/Replacing the Compressor Assembly......................27
V. Removing/Replacing the ATF.....................................................................29
VI. Removing/Replacing the Product Tank..............................................30
VII. Removing/Replacing the
Proportional Flow Valve.............................................................................31
VIII. Removing/Replacing the Rubber Gasket Seal.............................31
IX. Removing/Replacing the Top Cover Foam Section....................32
X. Removing/Replacing the Control Board, Power Manager
Board, Voice System Board, Battery Bridge Board,
Membrane Panel and Wire Harness Assemblies........................33
Parts List .................................................................................... 39
Optional Accessories ............................................................................................40
CAIRE Inc. Customer Service Contact Information................. 41
Authorized European Union Representative: ........................ 41

Personal Ambulatory Oxygen System Provider Technical Manual
20771733 D 3
General Information
This technical manual will familiarize you with Provider-specic
information regarding the eQuinox Oxygen System. Instructions in this
manual are intended to help ensure that:
• Providers are familiar with eQuinox system components and
system principles of operation
• Providers are given proper guidance in the use of the eQuinox and
its accessories that can be conveyed to patients
• Providers are made aware of the care, diagnostics, maintenance,
and repair of the eQuinox
Warning and Caution Statements
Safety instructions are dened as follows:
WARNING: Important safety information for hazards that might
cause serious injury.
CAUTION Important information for preventing damage to the
eQuinox.
Note: Places emphasis on an operating characteristic or
important consideration.

Personal Ambulatory Oxygen System Provider Technical Manual
20771733 D 4
Introduction to the eQuinox Oxygen System
AC Power Supply
12VDC Cable
eQuinox Cart
Battery Pack
BACK
Battery
Pack Latch
Exhaust
Vent
Battery
Pack
Service Cabinet
FRONT
Control
Panel
Handle
External Power
Receptacle
Oxygen Outlet
Port
FAA
Approval Icon
Rating Label &
Serial Number
Location
Air inlet
Filter
eQuinox

Personal Ambulatory Oxygen System Provider Technical Manual
20771733 D 5
eQuinox Oxygen System Specications
Dimensions (H x W X D) 13.6 x 10.6 x 7.4 (inches)
(34.5 x 26.9 x 18.8 cm)
Weight
eQuinox
Battery Pack
12.2 lbs (5.53 kg) unit only
14.0 lb (6.35 kg) w/ 12-cell battery installed
12 Cell Battery Pack - 1.85 lbs (0.84 kg)
24 Cell Battery Pack - 3.6 lbs (1.63 kg)
Flow Settings
Continuous Flow (measured in Liters Per Minute LPM)
Pulse Dose (measured in mL)
0.5 to 3.0 LPM (0.5 liter increments)
Settings 1.0-6.0: 16-96mL (8mL increments)
Settings 7-9: 128mL, 160mL, 192mL
Continuous Flow Accuracy +/- 10% or 200ml/min, whichever is greater
Oxygen Concentration 90% (+5.5/-3%) for all ow settings
Maximum System Pressure 15 psig (103.5 kPa)
Oxygen Output Pressure 5.0 psig (34.5 kPa) nominal
Oxygen Concentration
Status Indicator
Green Light = Normal Operation
Yellow Light = Warning or Caution, less than 85% ± 3%
Red Light Flashing = Abnormal Operation, less than 70% ± 5%
Nominal Sound Level
3.0 LPM Continuous Flow
0.5 LPM Continuous Flow
46 dB(A)
40 dB(A)
Operating Environment
Temperature (Unit ONLY, without Battery Pack)
Humidity
32º F to 104º F (0° to 40°C)
10% to 95%, Non-condensing, 82.4°F (28°C) Maximum Dew point
Storage Environment
Temperature
Temperature (Battery Pack)
Humidity
-4º F to 140º F (-20° to 60°C)
-4°F to 122°F (-20° to 50°C)
Up to 95% Non-condensing
Altitude Operating Range -1254 to 13,130 feet (-382 to 4,000 meters)
Nominal Power
0.5 LPM Continuous ow
3 LPM Continuous Flow
1.0 Pulse Dose Setting
6.0 Pulse Dose Setting
Battery Charging
60 Watts
110 Watts
45 Watts
95 Watts
Approx. 50 W depending on device setting
Nominal Battery Pack Operating Time See Battery Duration Chart
Continuous Flow Indication Expressed in liters per minute (LPM)
Audible Alarm Indicators See Alarm Condition and Alarm Codes
Back-Up Alarm Power 9V Internal Battery
Filters Air Inlet, HEPA, Compressor Intake