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Amron 2820A-4003E Instruction Manual

Chamber communicator
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Instruction Manual
For
Amron International, Inc.
Model 2820A-4003 & 4003E
Chamber Communicator
S/N______________________
1380 Aspen Way, Vista California 92081-8349
United States of America
Phone: (760) 208-6500
Fax (760) 599-3857
email:
sales@amronintl.com
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© 2017 Amron International, Inc.

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Summary of Contents for Amron 2820A-4003E

  • Page 1 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.

  • Page 3: Table Of Contents

    Amron Remote Walk-and-Talk Module - Model 2822-28 ............. 3 Amron Remote Push-to-Talk Module - Model 2821-28 ..............4 Audio Adaptor Cable - Amron Part Number 180-1000-00 ............4 Amron Chamber Communication Box – Model 3113..............4 Amron Chamber Speaker Box – Model 3114 ................4 3.10...
  • Page 4 9. DRAWINGS ............................24 Front Panel Parts Locator, Model 2820A-4003 ................25 Front Panel Parts Locator, Model 2820A-4003E ................ 26 Rear Panel Parts Locator, Models 2820A-4003 & 2820A-4003E ..........27 Mounting Detail, Models 2820A-4003 & 2820A-4003E .............. 28 10.1 Model 2820A-4003 Top Assembly ....................30 10.2...

  • Page 5: Introduction

    There are separate on-off controls for each lock and both models are supplied with the Amron Model 2405-28 Push-to-Talk microphone for use by the operator. The 2820A-4003 and 2820A-4003E can operate in 2-Wire or Full Duplex (4-Wire) modes as described later in this manual.

  • Page 6: Specifications

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL 2. SPECIFICATIONS Electrical Input Impedance (Microphone Inputs) ................. 250 Ohms Frequency Response ..................300 – 10,000 Hz Common Mode Rejection (minimum) .................. 40 dB Entertainment Input Impedance ................. >10 kOhms Current Drain - Maximum Full Volume ................3 Amps Typical Quiescent ................

  • Page 7: Accessories

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL 3. ACCESSORIES Amron produces a series of accessories designed to operate with the AMCOM II chamber communicators. Amron Heavy-Duty Headset - Model 2401-28 The Model 2401-28 is a heavy-duty headset with boom microphone. It comes equipped with color-coded, dual banana plugs that mate directly to AMCOM II chamber communicators and other accessories.

  • Page 8: Amron Remote Push-To-Talk Module - Model 2821-28

    Push-to-Talk switch, banana jacks for the headset, and 25 feet (7.6 meters) of lightweight flexible cable. Custom cable lengths are available. Audio Adaptor Cable - Amron Part Number 180-1000-00 A 2 meter long cable with two RCA Phono plugs that connect the entertainment audio input to a standard 3.5 mm stereo phone plug which mates to the headphone jack of most common...

  • Page 9: Amron Chamber Combo Box - Model 3126

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL 3.13 Amron Chamber Combo Box – Model 3126 The Model 3126 is a combination Chamber Communication and Electrical Junction Box. It is designed for outer lock functions and mounts directly to a chamber penetrator via a penetrator adaptor bushing.

  • Page 10: Limited Warranty And Service Policy

    Amron International, Inc., literature covering this product. Amron’s obligation under this warranty is limited to the repair of or replacement, at AMRON’S option, of defective material. This warranty shall not cover defects which are the result of misuse, negligence, accident, repair or alterations.

  • Page 11: Controls And Connections

    PANEL SPEAKER. These words are to remind the reader that additional information can be found in this section of the manual. All sections that describe features or functions for the 2820A-4003 apply to the 2820A-4003E unless otherwise noted. Operator and Lock Controls POWER SWITCH –...
  • Page 12 2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL PUSH-TO-TALK SWITCH – This switch allows the operator to talk to the chamber 5.1.3 occupants when operating in the 2-Wire mode. It is not necessary to use this control in the Full Duplex (4-Wire) mode. When using Full Duplex mode, this control allows the operator to interrupt the audio entertainment by muting when the switch is pressed.

  • Page 13: Operator Connections

    PANEL SPEAKER can be left on. This may, for some situations, make for a better overall communication experience. If the operator requires more mobility, the Amron Model 2821-28 Remote Push-to-Talk Module can be used to extend the headset cable. It includes a push-to-talk button on a clip-on belt module and comes standard with 25 feet (7.6 meters) of cable (custom cable lengths are...
  • Page 14 PANEL SPEAKER. This module comes with 25 feet (7.6 meters) of cable (custom cable lengths are available). The operator may also use the included Amron Model 2405-28 Push-to-Talk Microphone. This microphone comes with two color-coded banana plugs. The black plug goes into the OPERATOR HEADSET jack and the yellow plug goes in the PUSH- TO-TALK JACK as shown in the wiring diagram in section 5.7.
  • Page 15 External Power - 5.3.2 ENTERTAINMENT SPEAKER (4003E) - This connection is only available on the 2820A- 4003E. It is routed to a separate entertainment speaker, such as the Amron Model 3130, usually located in the Inner Lock. 5.3.3 OUTER MICROPHONE - This connection functions as both an output (earphone) and input (microphone) for the outer lock occupants as controlled by the PUSH-TO-TALK SWITCH and PUSH-TO-TALK JACK.

  • Page 16: Entertainment Audio Input (4003E Only)

    The earphone output of most MP3 players can be connected to this input using an adaptor cable like the Amron Audio Adaptor Cable (Amron Part Number 180-1000-00). AC Power Inlet This is a standard IEC type C14 AC Power Inlet.

  • Page 17: Drawing, Operator Headset Connections

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL Drawing, Operator Headset Connections 2820A-4003-UM REV 8.0...

  • Page 18: Drawing, Push-To-Talk Connections

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL Drawing, Push-to-Talk Connections 2820A-4003-UM REV 8.0...

  • Page 19: Drawing, 2820A-4003 To Chamber Wiring

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL Drawing, 2820A-4003 to Chamber Wiring 2820A-4003-UM REV 8.0...

  • Page 20: Installation And Operation

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL 6. INSTALLATION AND OPERATION Operation Before operating the communicator, it should be securely mounted to the panel. The panel cutout dimensions are shown in section 9.6. Charging the Battery The Models 2820A-4003 and 4003E are supplied with a sealed lead acid back up battery. To charge the battery, insert the AC power cord to the AC inlet located on the back of the communicator.

  • Page 21: Operating On Ac Power

    Modes of Operation The Models 2820A-4003 and 2820A-4003E have the ability to operate in either 2-Wire or Full Duplex (4-Wire). Both the chamber and the operator can be connected in either mode and a combination of modes can be used.

  • Page 22: Maintenance

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL chamber occupants. Operator and chamber occupants talk to each other while the operator adjusts volume controls. Adjusting the lock volumes is easier if the other LOCK ON/OFF switch is turned off. OPERATOR VOLUME - While chamber occupant(s) are talking, the operator adjusts this volume control to a comfortable hearing level at the PANEL SPEAKER or operator headset.
  • Page 23 If that does not resolve the problem, then go to the troubleshooting section to determine the cause.  Identify the microphone and headset leads. When using an Amron headset, the microphone is the red banana plug and the headset is the black banana plug.

  • Page 24: General Maintenance

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL General Maintenance The chamber communicator is designed to provide years of continuous, failure-free service when properly used and maintained. There are a few important things that the user can do to extend the life of their equipment Handle the communicator with care.

  • Page 25: Recommended Maintenance Schedule

    7.1. 7.3.4 YEARLY CHECK - For maximum service life, it is recommended that the chamber communicator be sent back to Amron for a yearly check. Every three years it is recommend the rechargeable battery be replaced. 7.3.5 LONG TERM STORAGE - If the communicator is to be stored for a period greater than 30 days, it is recommended that it be stored in a cool dry location.

  • Page 26: Troubleshooting

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL 8. TROUBLESHOOTING Most problems are usually simple issues that can often be found by careful inspection of the chamber communicator and wiring. The following section will describe the troubleshooting procedure for several common issues. Connection Issues Most communicator problems are caused by bad connections.

  • Page 27: Low Volume

    Check the BATTERY CONDITION INDICATOR and test the battery per section if necessary. If the communicator fails the check-out procedure, contact Amron per section for further assistance. Garbled Voice to the Chamber The LOCK VOLUME control is set too high. Reduce the volume until the voice signal clears.

  • Page 28: Push-To-Talk Does Not Work

    PANEL SPEAKER. If the operator wants to operate with the headset and leave the PANEL SPEAKER on, Amron recommends the tender move away from the 2820A-4003 by using the Amron Model 2822-28 Remote Walk-and-Talk Module. This module provides an "extension"...

  • Page 29: Front Panel Parts Locator, Model 2820A-4003

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL Front Panel Parts Locator, Model 2820A-4003 2820A-4003-UM REV 8.0...

  • Page 30: Front Panel Parts Locator, Model 2820A-4003E

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL Front Panel Parts Locator, Model 2820A-4003E 2820A-4003-UM REV 8.0...

  • Page 31: Rear Panel Parts Locator, Models 2820A-4003 & 2820A-4003E

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL Rear Panel Parts Locator, Models 2820A-4003 & 2820A-4003E 2820A-4003-UM REV 8.0...

  • Page 32: Mounting Detail, Models 2820A-4003 & 2820A-4003E

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL Mounting Detail, Models 2820A-4003 & 2820A-4003E 2820A-4003-UM REV 8.0...
  • Page 33 The parts lists this manual are for the current model of hyperbaric communicator as of the printing date. To Order Replacement Parts Contact: Amron International, Inc. 1380 Aspen Way, Vista, California, 92081 U.S.A. Telephone: (760) 208-6500 Fax: (760) 599-3857 Email: sales@amronintl.com...

  • Page 34: Model 2820A-4003 Top Assembly

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL 10.1 Model 2820A-4003 Top Assembly Reference Part Number Description 570-1008-22 P.C CARD ASSEMBLY *NOT AVAILABLE FOR SALE FRONT PANEL ASSEMBLY WIRED *NOT AVAILABLE FOR SALE CHASSIS ASSEMBLY 2405-28 MICROPHONE PUSH TO TALK 2-520194-2 SLIDE TERM.

  • Page 35: Model 2820A-4003E Top Assembly

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL 10.2 Model 2820A-4003E Top Assembly Reference Part Number Description 570-1008-22 P.C CARD ASSEMBLY *NOT AVAILABLE FOR SALE FRONT PANEL ASSEMBLY WIRED *NOT AVAILABLE FOR SALE CHASSIS ASSEMBLY 2405-28 MICROPHONE PUSH TO TALK 2-520194-2 SLIDE TERM.

  • Page 36: 2820A-4003E-400M Front Panel Assembly, Entertainment

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL 10.4 2820A-4003E-400M Front Panel Assembly, Entertainment Reference Part Number Description *NOT AVAILABLE FOR SALE FRONT PANEL 2820A-4003 SA818 SPEAKER 8 OHM 15 WATT 1498-103 JACK BANANA BLACK 1498-102 JACK BANANA RED 1498-107 JACK BANANA YELLOW...

  • Page 37: 2820A-4003-Fs-01 Field Spares Kit, 2820A-4003

    2820A-4003 & -4003E CHAMBER COMMUNICATOR USER MANUAL 10.6 2820A-4003-FS-01 Field Spares Kit, 2820A-4003 Reference Part Number Description Quantity SW-201 SWITCH TOGGLE ON/OFF DPDT SW-208 SWITCH TOGGLE DPDT-MOM 1498-102 JACK BANANA RED 1498-103 JACK BANANA BLACK 1498-107 JACK BANANA YELLOW SWB-0001 BOOT, TOGGLE SOFT GRAY 91A1AB24B15 POTENTIOMETER 10K LINEAR...

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