Instruction Manual for Amron International, Inc. Models 8211-01 & 8211-02 Compact 2-Diver Surface Command Unit (SCU) Air Control S/N: 1380 Aspen Way, Vista California 92081-8349 United States of America Phone: (760) 208-6500 Fax (760) 599-3857 Email: [email protected] Web: www.amronintl.com This manual and the information contained herein are provided for use as an operation and maintenance guide. No license or rights to manufacture, reproduce, or sell either the manual or articles described herein are given. Amron International, Inc. reserves the right to change specifications without notice. Copyright© 2018 Amron International, Inc 8211-01 COMPACT 2-DIVER SCU USER MANUAL TABLE OF CONTENTS 1.1 Introduction .................................................................................................................................... 1 1.2 Air Control Specifications .............................................................................................................. 3 1.3 Depth Monitoring (Pneumo) Gauge Specifications ....................................................................... 4 1.4 Communications Specifications .................................................................................................... 4 1.5 Enclosure Specifications ............................................................................................................... 4 2. OPTIONS AND ACCESSORIES ........................................................................................... 6 2.1 Amron Heavy-Duty Headset - Model 2401-28 .............................................................................. 6 2.2 Amron Standard Headset - Model 2460-28 .................................................................................. 6 2.3 Amron Push-to-Talk Microphone - Model 2405-28 ....................................................................... 6 2.4 Amron Remote Walk-and-Talk Module 2822-28 ........................................................................... 6 2.5 Amron Remote Push-to-Talk Module - Model 2821-28 ................................................................ 6 2.6 DIN Adapter 300 Bar - Amron Part Number HAS-300D ............................................................... 6 2.7 Heating Element ............................................................................................................................ 6 3. SAFETY AND REGULATIONS............................................................................................. 7 3.1 Diving Safety and Regulations ...................................................................................................... 7 3.2 Personnel Requirements ............................................................................................................... 8 3.3 Air Supply Requirements .............................................................................................................. 8 3.4 Calibration, Service and Inspection .............................................................................................. 9 4. CONTROLS & CONNECTIONS ......................................................................................... 10 4.1 Air Control ................................................................................................................................... 10 4.2 Depth Monitoring ......................................................................................................................... 12 4.3 Air Control Front Panel - Communications, Model 8211-01 ....................................................... 13 4.4 Communications ......................................................................................................................... 14 4.5 Communicator Front Panel, Model 2825A-07 ............................................................................. 18 5. PRE-DIVE PROCEDURES ................................................................................................. 19 5.1 Pre-Dive Set-Up .......................................................................................................................... 19 5.2 Pre-Dive Check Out .................................................................................................................... 19 5.3 Pre-Dive Pneumo Test ................................................................................................................ 20 5.4 Pre-Dive Testing Communications.............................................................................................. 21 5.5 Connecting Diver Umbilical ......................................................................................................... 21 5.6 Low Pressure Supply .................................................................................................................. 21 6. OPERATING PROCEDURES ............................................................................................. 22 6.1 Low Pressure Breathing Air (Primary Supply) ............................................................................ 22 6.2 High Pressure Breathing Air (Primary Supply) ............................................................................ 22 6.3 Pre-Operation Checklist .............................................................................................................. 23 6.4 Pneumo Readings ....................................................................................................................... 24 6.5 Diver Communications ................................................................................................................ 25 6.6 2-Wire Operation ......................................................................................................................... 25 6.7 Diagram, 2-Wire Set-Up .............................................................................................................. 27 8211-UM REV 5.0 i 8211-01 COMPACT 2-DIVER SCU USER MANUAL 6.8 Diagram, 4-Wire (Full Duplex) Set-Up ........................................................................................ 28 6.9 Diagram, Full Duplex (4-Wire) ..................................................................................................... 29 6.10 How Do You Use Full Duplex (4-Wire) ....................................................................................... 30 6.11 To Operate and/or Check Out Full Duplex .................................................................................. 31 7. MAINTENANCE .................................................................................................................. 32 7.1 Review of Scheduled Maintenance ............................................................................................. 32 7.2 Air Control Scheduled Maintenance ........................................................................................... 32 Complete the above tests plus the following ........................................................................................... 33 8. TROUBLESHOOTING AND REPAIR ................................................................................. 34 8.1 General Information .................................................................................................................... 34 8.2 Air Control ................................................................................................................................... 34 8.3 Pneumo Panel ............................................................................................................................. 37 8.4 Diver Communications ................................................................................................................ 37 9. REFERENCE MATERIAL ................................................................................................... 41 9.1 Diving Log, U.S Navy (Chart) ...................................................................................................... 41 9.2 Repetitive Dive Worksheet .......................................................................................................... 42 9.3 No Decompression Limits ........................................................................................................... 43 9.4 Gauge Pressure for Depth of Seawater & Fresh Water ............................................................. 44 9.5 Equivalent Depths of Seawater & Fresh Water .......................................................................... 45 10. DRAWINGS AND SCHEMATICS ....................................................................................... 46 10.1 Parts Locator, Model 8211-400 (Front) ....................................................................................... 47 10.2 Parts Locator, Model 8211-400 (Back) ....................................................................................... 48 10.3 Parts Locator, Model 2825A-07 Diver Communicator ................................................................ 49 10.4 Parts Locator, Model 873-400 Regulator .................................................................................... 50 11. PARTS LIST ....................................................................................................................... 51 11.1 Air Control System, Model 8211-01 ............................................................................................ 52 11.2 8211-400 Air Control Panel Assembly .......................................................................................