AirSep AS-20 User manual

Suggested List Price $75.00 (U.S.D.)
AirSep®Corporation
PSA Oxygen Generator
Models AS-20–1000
Instruction Manual
MN011-1 A12/02
AirSep®Corporation •260 Creekside Drive •Buffalo, NY 14228-2075 USA
Phone: [phone] •Fax: [phone]

Ownership Data
Please take a moment to note below important information about your AirSep®Corporation
PSA Oxygen Generator. Retain this instruction manual, along with your invoice, to serve as
a permanent record of your purchase.
PSA Oxygen Generator
Model Number:
Serial Number:
Invoice Date:
Start-up Date:
AirSep Representative
Company:
Contact:
Address:
City/Town: State: Zip:
Country: Fax:
Phone: Telex:
Before you attempt to install, operate, or repair the oxygen generator,
read and thoroughly understand this instruction manual. Improper
operation can result in severe bodily injury, damage to the oxygen
generator, or poor performance.

AirSep®Corporation 12/02
AS-20—1000 Instruction Manual table of contents - i
Table of Contents
1.0 Introduction ..................................................................................... 1-1
1.1 General .............................................................................................1-1
1.2 Warnings, Cautions, and Notes ........................................................1-1
1.3 Symbols ............................................................................................1-2
1.4 References to Controls and Indicators with Tags or Labels .............1-2
2.0 Safety................................................................................................ 2-1
2.1 General .............................................................................................2-1
2.2 Potential Hazards .............................................................................2-1
2.3 Safety Publications ...........................................................................2-3
3.0 Plant Description............................................................................. 3-1
3.1 General .............................................................................................3-1
4.0 Component Descriptions................................................................ 4-1
4.1 External Components .......................................................................4-1
4.1.1 Adsorbers 4-2
4.1.2 Enclosure 4-2
4.1.3 Control Panel 4-2
4.1.4 Connections 4-3
4.2 Manifold Components.......................................................................4-4
5.0 Installation ....................................................................................... 5-1
5.1 Handling and Unpacking...................................................................5-1
5.2 Pre-installation Guidelines ................................................................5-2
5.3 Installation Instructions .....................................................................5-3
6.0 Operation ......................................................................................... 6-1
6.1 Initial Start-up....................................................................................6-1
6.2 Operation ..........................................................................................6-3
6.3 Shutdown..........................................................................................6-3
6.4 Normal Start-up ................................................................................6-4

04/02 AirSep®Corporation
table of contents - ii AS-20—1000 Instruction Manual
6.5 Extended Shutdown..........................................................................6-4
6.6 Start-up after an Extended Shutdown...............................................6-4
7.0 Maintenance..................................................................................... 7-1
7.1 Daily Monitoring ................................................................................7-1
7.2 Monthly Monitoring ...........................................................................7-1
7.3 Removing the Front Cover of the Enclosure (Not available on AS-450
— AS-1000 models) .....................................................................................7-2
7.4 Depressurizing the Filters .................................................................7-3
7.5 Changing Filter Elements .................................................................7-4
7.6 Depressurizing the Oxygen Generator .............................................7-5
7.7 Adjusting the Feed Air Regulator......................................................7-6
7.8 Adjusting the Pressure Switch ..........................................................7-6
8.0 Troubleshooting .............................................................................. 8-1
AAppendix Technical Data............................................................... A-1
Specifications .............................................................................................. A-1
Operating Data ............................................................................................ A-9
Drawings.................................................................................................... A-10
BAppendix Warranty/Returns .......................................................... B-1
Product Warranty......................................................................................... B-1
Limits of Liability .......................................................................................... B-2
Returning the Oxygen Generator or a Component for Service ................... B-2
CAppendix Parts List........................................................................ C-1
AS-20 Parts ................................................................................................. C-2
AS-45 Parts ................................................................................................. C-3
AS-80 Parts ................................................................................................. C-4
AS-160 Parts ............................................................................................... C-5
AS-250 Parts ............................................................................................... C-6
AS-450 Parts ............................................................................................... C-7
AS-750 Parts ............................................................................................... C-8
AS-1000 Parts ............................................................................................. C-9

AirSep®Corporation 12/02
AS-20—1000 Instruction Manual list of illustrations - i
List of Illustrations
Figure 4-1 External Components — Front View ...................................... 4-1
Figure 4-2 Control Panel — AS-45 and AS-80 Models ............................ 4-3
Figure 4-3 Manifold Components — AS-160 and AS-250 Models .......... 4-4
Figure 4-4 Manifold Components — AS-750 Model ................................ 4-5
Figure 5-1 Typical Installation Arrangement............................................ 5-3
Figure 5-2 120 Gallon Oxygen Receiver................................................... 5-5
Figure 7-1 Interior View of AS-45 and AS-80 Models ............................. 7-3
Figure 1 General Arrangement Drawing – AS-20 ................................ A-11
Figure 2 Flow Schematic – AS-20 ......................................................... A-12
Figure 3 Electrical Schematic – AS-20 (120V)...................................... A-13
Figure 4 Electrical Schematic – AS-20 (220V)...................................... A-13
Figure 5 General Arrangement Drawing – AS-45 ................................ A-14
Figure 6 General Arrangement Drawing – AS-80 ................................ A-15
Figure 7 General Arrangement Drawing – AS-160 .............................. A-16
Figure 8 General Arrangement Drawing – AS-250 .............................. A-17
Figure 9 Flow Diagram – AS-45 through AS-250 ................................. A-18
Figure 10 Electrical Diagram – AS-45 through AS-250 (120V)............ A-19
Figure 11 Electrical Diagram – AS-45 through AS-250 (220V)............ A-19
Figure 12 General Arrangement Drawing – AS-450 ............................ A-20
Figure 13 General Arrangement Drawing – AS-750 ............................ A-21
Figure 14 Flow Diagram – AS-450 through AS-750 ............................. A-22
Figure 15 Electrical Schematic – AS-450 through AS-750 (120V) ...... A-23

04/02 AirSep®Corporation
Figure 16 Electrical Schematic – AS-450 through AS-750 (220V) ...... A-23
Figure 17 General Arrangement Drawing– AS-1000 ............................ A-24
Figure 18 Electrical Schematic – AS-1000 (120V)................................. A-25
Figure 19 Electrical Schematic – AS-1000 (220V)................................. A-25
Figure 20 Flow Diagram – AS-1000........................................................ A-26
ii - list of illustrations AS-20—1000 Instruction Manual

AirSep®Corporation 12/02
AS-20—1000 Instruction Manual 1-1
1.0 Introduction
1.1 General
This instruction manual provides descriptions of the AirSep Corporation PSA
Oxygen Generator Models AS-20, AS-45, AS-80, AS-160, AS-250, AS-450, AS-
750, and AS-1000, as well as instructions for their installation, operation, and
maintenance. The Appendix of this instruction manual also includes pertinent
drawings and component literature.
To ensure safe operation and proper maintenance of the oxygen generator, AirSep
Corporation recommends that you keep this instruction manual readily available for
reference.
1.2 Warnings, Cautions, and Notes
As you read this instruction manual, pay special attention to the WARNING,
CAUTION, and NOTE messages. They identify safety guidelines or other important
information as follows:
Provides information that can prevent severe bodily injury or
death.
Cautions against the risk of electric shock.
Provides information important enough to emphasize or repeat.

12/02 AirSep®Corporation
1.3 Symbols
IEC 417, No. 5019 Protective conductor terminal
IEC 417, No. 5007 On (supply)
IEC 417, No. 5008 Off (supply)
ISO 3864, No. B.3.6 Caution, risk of electric shock
ISO 3864, No. B.3.1 Caution (refer to accompanying
documents)
1.4 References to Controls and Indicators
with Tags or Labels
This instruction manual uses uppercase characters (e.g., ON/OFF switch) to refer
to controls and indicators identified by tags or labels. Numbers inside parentheses
(e.g., V-2) identify manually operated flow controls (e.g., manual valves). Refer to
Chapter 4 for a description of the oxygen generator components.
1-2 AS-20—1000 Instruction Manual