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IR205E Leedan / Tektone Apartment Intercom, 5-Wire Replaces Models Leedan IR205, Leedan IR205B, Leedan IR205C
IR205E Leedan Apartment Intercom, 5-Wire
    IR205E Leedan Apartment Intercom, 5-Wire
    Purchase IR205E Leedan Apartment Intercom, 5-Wire
    • SKU: IR205E-Leedan
      IR205E Leedan Apartment Intercom, 5-Wire

    • $19.95

    •  

    IR205E Leedan Intercom Entry System Room Station Replaces Older Models IR205 Leedan, IR205B Leedan, IR205C Leedan Room Stations.

    IR205E Leedan Apartment Intercom Entry System Room Stations combine modern styling with ease of operation to provide natural, clear voice communication, positive door-release operation. Leedan intercom stations are equipped with momentary-action push buttons for talk, listen and door operation.

    IR205E Leedan Apartment Intercom Entry Room Stations features attractive flame-retardant ABS plastic face plates are surface mounted and blend with any setting. Advanced circuitry and versatility permit use in large or small buildings, with one or several entrances.

    Wiring IR205E Leedan Apartment Intercom Entry Room Stations is just 4 common and 1 selective wires Connections are screw terminals.

    Leedan Apartment Intercom Entry Systems offer a wide variety of optional accessories, available to provide additional functions, such as multiple entrance operation and post office door release.

    Height: 6.875" (175 mm)
    Width: 5" (127 mm)
    Depth: 1.25" (32 mm)
    Finish: Flame-retardant ABS plastic.
    Controls: Individually replaceable push buttons
    with self-wiping contacts. Identified for
    talk, listen and door functions.
    Speaker/Mic: 2.5" (89 mm) with voice response. Also
    used for electronic tone signal.
    Connection: Screw terminals
    Housings: IH205 mounting plate or IH101 box


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    IR205E Leedan / Tektone Apartment Intercom, 5-Wire.

    Troubleshooting Apartment Intercom System

    Entire System Dead
    If power LED is not illuminated, check for 16 VAC at transformer secondary and 120 VAC at transformer primary. If LED is illuminated, review field wiring and perform direct test using one of the apartment stations to eliminate field wiring.

    No Talk
    Check wiring to terminals 1 and 2, and check whether wiring to entrance panel speaker is shorted or open. Suite station can be swap tested with another working unit.

    No Listen
    Check wiring to terminals 1 and 3, or for short between terminals 1 and 2. Check to see if wiring to entrance panel speaker is shorted or open. Suite station can be swap tested with another working unit.

    No Door Operation
    Check wiring to door release for shorts and opens, or for defective door release. Confirm that shunts are properly set for door release type and that connections to appropriate output have been made. Check wiring to terminals 2 and 3, or 1 and E (depending upon suite station type).

    No Call Tone
    Check wiring to terminal Z or ZW to entrance panel, related entrance panel call buttons, and suite station X terminal. Suite station can be swap tested with another working unit. Excessive Hum or Distortion Check whether wiring is installed too close to electrical wiring or electrical devices; amplifier installed too close to transformers or other electrical devices; twisted pair wiring not used as required; or amplifier voice volume set too high.

    Radio Interference
    Connect G terminal from amplifier to electrical ground. Note: This connection is not shown on the wiring diagram, since the situation is not always improved by adding it. If the problem persists, consult the factory or service representative.

    Oscillation (feedback or howling)
    Reduce the voice volume until oscillation is eliminated. If oscillation stops when the call tone wire is removed from ZW, set entrance tone (SW3) to the OFF (left) position.

    Signal Flow and Theory of Operation for PK543A Amplifier and Apartment Intercom System
    The following example describes an apartment intercom system using a PK543A in conjunction with a 4-wire suite station. Refer also to Figure 5 on page 8.

    . Call Button
    Pressing a suite station call button on the entrance panel routes the call tone from the Z or ZW terminal on the PK543A to the X terminal (tone in) on the associated suite station. This signal then passes through the speaker and returns to the PK543A via the 1 terminal (audio common). If the warble tone is in use and the entrance tone feature is active, the tone will also be heard through the entrance panel speaker when the call button is pressed.

    Talk Button
    Pressing the talk button at a suite station connects the suite station’s internal speaker to terminals 1 and 2 of the PK543A, which serves as an audio input to the amplifier. The audio is then amplified and sent to terminals A and G, which are connected to the entrance panel’s speaker (speaker mode).

    Listen Button
    Pressing the listen button at a suite station connects the suite station’s internal speaker to terminals 1 and 3 of the PK543A, which serves as an audio output from the amplifier. This allows the suite station to receive the amplified audio being received by the amplifier on terminals A and G from the entrance panel speaker (microphone mode).

    Door Button
    Pressing the door button at a suite station creates aclosure between terminals 2 and 3 on the PK543A. This state is sensed by the amplifier and causes the door release to be activated (output specifics are based on PK543A settings). This state is also triggered by shorting terminals 1 and E as is typically done by a postal lock.