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Amron AMCOM II 2820A-02 User Manual

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User Manual
For
Amron International, Inc.
Models 2820A-02 & 2820A-03
AMCOM II Chamber Communicators
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© 2024 Amron International, Inc.

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Summary of Contents for Amron AMCOM II 2820A-02

  • 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. Copyright© 2024 Amron International, Inc.

  • Page 3: Table Of Contents

    MODEL 2822-28 AMRON REMOTE WALK-AND-TALK MODULE ..........5 2.10 MODEL 3110 AMRON CHAMBER SPEAKER ................. 5 2.11 MODEL 3111 AMRON CHAMBER COMM BOX WITH PUSH TO CALL SWITCH ......5 2.12 MODEL 3112 AMRON BUNK BOX WITH ENTERTAINMENT CHANNEL SELECTOR ....5 2.13 MODEL 3113 AMRON CHAMBER SPEAKER .................
  • Page 4 2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL TROUBLESHOOTING ..........................21 CHAMBER COMMUNICATOR CHECK PROCEDURES ............... 21 CONNECTION ISSUES ......................... 22 LOW BATTERY INDICATION ......................23 CHECK BATTERY CONDITION ....................23 CHECK BATTERY VOLTAGE ......................23 BATTERY INSTALLATION ......................24 UNIT NOT OPERATING ......................... 25 LOW VOLUME ..........................

  • Page 5: Introduction And Specifications

    Both models are used in conjunction with chamber talk back speakers such as the Amron Model 3113, 3114, 3115, 3125 or 3126. The AMCOM II chamber communicators include a rechargeable battery that maintains communication in the event of a power failure along with a universal input 90-264 VAC, 50-60 Hz internal power supply.

  • Page 6: Model 2820A-02 Front Panel

    All of the controls for the Model 2820A-02 are located on the front panel including the connectors for the operator handheld microphone or headset, tape recorder and auxiliary audio input. The 2820A-02 comes with the Amron Model 2405-28 PUSH-TO-TALK handheld microphone.

  • Page 7: Model 2820A-02 Rear Panel

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL MODEL 2820A-02 REAR PANEL The AC power cord and the chamber connectors are located on the rear panel of the 2820A- 02. The Model 2820A-02 comes equipped with a sealed lead-acid rechargeable battery and an internal universal input (115/230 VAC) battery charger.

  • Page 8: Accessories

    The Model 2460-31R-25 provides a 25 foot (7.6 meters) extension cable to the Model 2460- 31R chamber headset. ADAPTOR CABLE - AMRON PART NUMBER 180-1000-00 (MODEL 2820A-03 ONLY) Adapter cable is 6.5 feet (2 meter) long with two RCA Phono plugs that connect the auxiliary audio input to a standard 3.5 mm stereo phone plug which mates to the headphone jack of...

  • Page 9: Model 2822-28 Amron Remote Walk-And-Talk Module

    The Push-to-Call switch activates a call indicator on the Amron Comm Routing Panel (CRP). The CRP activates an audio alarm and a visual indicator identifying the caller's location. Housing is die-cast zinc with gray epoxy powder coat.

  • Page 10: Model 3125 Amron Inner-Lock Combo Box

    2.19 MODEL 3130 AMRON CHAMBER ENTERTAINMENT SPEAKER (MODEL 2820A-03 ONLY) Chamber Entertainment Speaker includes a 15-Watt, 8 Ohm music quality speaker with Mylar impregnated cloth cone along with six 1/8-inch phone jacks for optional headset. It is mounted in aluminum housing with epoxy powder coat and stainless steel speaker grill.

  • Page 11: Controls And Connections

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL CONTROLS AND CONNECTIONS Before using the 2820A-02 and 2820A-03 Chamber Communicator, the operator should be familiar with all the operating controls and connections. While reading this manual, you will find capitalized words such as PANEL SPEAKER. These words are to remind the reader that additional information can be found in this section of the manual.
  • Page 12 2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL 3.1.4 OPERATOR VOLUME – This control sets the volume for the PANEL SPEAKER and operator headset. Rotate this knob clockwise to increase the volume. 3.1.5 PANEL SPEAKER - The panel speaker features a waterproof speaker that allows the operator to monitor conversations in the chamber.

  • Page 13: Operator Connections

    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 3.3.

  • Page 14: Back Panel Connections

    External Power - 3.3.2 ENTERTAINMENT SPEAKER (2820A-03 ONLY) - This connection is only available on the 2820A-03. It is routed to a separate entertainment speaker, such as the Amron Model 3130, usually located in the Inner Lock. 2820A-02-UM REV 4.0...
  • Page 15 To connect the chamber in 2-Wire mode, connect the talk-back speaker, such as the Amron Model 3114 Chamber Speaker Box to this connection. You can have a mixed Full Duplex and 2-Wire by having both a talk-back speaker and headset jack by using the Amron Model 3115 Chamber Communicator Box as shown in section 3.6.

  • Page 16: 3.1 Drawing, 2-Wire Connections

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL 3.1 DRAWING, 2-WIRE CONNECTIONS 2820A-02-UM REV 4.0...

  • Page 17: 3.2 Drawing, Full Duplex (4-Wire) Connections

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL 3.2 DRAWING, FULL DUPLEX (4-WIRE) CONNECTIONS 2820A-02-UM REV 4.0...

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

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL DRAWING, PUSH-TO-TALK CONNECTIONS 2820A-02-UM REV 4.0...

  • Page 19: Drawing, 2820A-02 & 2820A-03 To Chamber Wiring Diagram

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL DRAWING, 2820A-02 & 2820A-03 TO CHAMBER WIRING DIAGRAM 2820A-02-UM REV 4.0...

  • Page 20: Installation And Operation

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL INSTALLATION AND OPERATION Securely mount the communicator to the panel before operating the communicator. See section 7.4 for panel cutout dimensions. OPERATING ON AC POWER The communicator is normally operated on AC power using the internal battery as backup in case of power failures.

  • Page 21: Modes Of Operation

    If using the Amron Remote Walk-and-Talk, Model 2821-28, the operator may press the Push- To-Talk Switch on the belt module to speaker to the chamber occupants.
  • Page 22 2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL 4.3.1 2-WIRE OPERATION Turn power switch to ON, turn speaker switch to ON, and adjust all volume controls to mid-scale. The operator has to depress PUSH-TO-TALK BUTTON in order to the chamber occupants. Operator and chamber occupants talk to each other while the operator adjusts volume controls.

  • Page 23: Maintenance

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL MAINTENANCE GENERAL MAINTENANCE The 2820A-02 and 2820A-03 chamber communicators iare 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 1.
  • Page 24 2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL 5.2.4 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. 5.2.5 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 25: Troubleshooting

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL TROUBLESHOOTING The following section describes the procedures for checking the operation of your 2820A-02 & 2820A-03 chamber communicators, general maintenance procedures, and how to troubleshoot common problems. CHAMBER COMMUNICATOR CHECK PROCEDURES The following are a series of step-by-step procedures to perform a functional check of your communicator using only a headset.

  • Page 26: Connection Issues

    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 27: Low Battery Indication

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL LOW BATTERY INDICATION The BATTERY CONDITION INDICATOR indicates the battery level or state-of-charge by monitoring the battery voltage. The voltage has to be 9 Volts or greater for the communicator with rechargeable battery to operate. It is recommended that the communicator be recharged for at least 10 hours if the measured voltage is less than 12 Volts (depending on the age of the battery and the surrounding temperature).

  • Page 28: Battery Installation

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL BATTERY INSTALLATION The 2820A-02 and 2820A-03 are supplied with a single 12V gel-cell sealed lead-acid battery. To remove and install the battery: 1. Turn off communicator. 2. Disconnect AC power cord from AC power inlet located on side of case. 3.

  • Page 29: Unit Not Operating

    6.1. If the communicator fails the check-out procedure, contact Amron for further assistance. If the communicator checks out, then the problem is likely in the chamber wiring.

  • Page 30: Chamber Cuts Off

    If this does not solve the problem and the chamber wiring cannot be immediately replaced, then operate in 2-Wire mode until a replacement umbilical can be used. Amron strongly recommends the use of the shield, twisted pair communication cables.

  • Page 31: Push-To-Talk Does Not Work

    The corresponding parts lists for each drawing are detailed in the parts lists section, or are included as part of the drawing. All drawings are at their current revision level as of the date of printing. Amron reserves the rights to revise the documentation without notification. 2820A-02-UM...

  • Page 32: Front Panel Parts Locator, Model 2820A-02

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL FRONT PANEL PARTS LOCATOR, MODEL 2820A-02 2820A-02-UM REV 4.0...

  • Page 33: Front Panel Parts Locator, Model 2820A-03

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL FRONT PANEL PARTS LOCATOR, MODEL 2820A-03 2820A-02-UM REV 4.0...

  • Page 34: Rear Panel Parts Locator, Models 2820A-02 & 2820A-03

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL REAR PANEL PARTS LOCATOR, MODELS 2820A-02 & 2820A-03 ME161-2003 180-1013-01 MS-3102A-20-27P 2820A-02-UM REV 4.0...

  • Page 35: Mounting Detail, Models 2820A-02 & 2820A-03

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL MOUNTING DETAIL, MODELS 2820A-02 & 2820A-03 2820A-02-UM REV 4.0...

  • Page 36: Parts Lists

    REVISIONS The parts lists in this manual are for the current model of 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 37: 2820A-02 & 2820A-03 Rear Chassis Components

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL PART # DESCRIPTION KLN-500B-1/4 KNOB BLACK AL .5DIA .25IN SHAFT 91A1AB24B15 POTENTIOMETER 10K LINEAR 24XX-MIC PANEL MICROPHONE ASSEMBLY LT2462-24-D51 LED BI-COLOR RED/GREEN 2820A-02 & 2820A-03 REAR CHASSIS COMPONENTS PART # DESCRIPTION MS-3106A-20-27S MS CONN CABLE 14 PIN F ME161-2003 JACK PHONO W/NYL WSHRS NKL/BLK 180-1013-01...

  • Page 38: Limited Warranty And Service Policy

    2820A-02 & 2820A-03 CHAMBER COMMUNICATOR USER MANUAL LIMITED WARRANTY AND SERVICE POLICY 2820A-02-UM REV 4.0...

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