Alpha Communications® Amplifiers/Power Supplies/Accessories

c Amplifiers/Power Supplies/Accessories

The PK292A is used with the TA292A series 2-wire handsets, primarily for use in apartment house intercoms, but can be used for small home and office intercoms.

The Alpha Communications®/Tektone PK292A amplifiers are used only with the TA292A series 2-Wire apt. intercom handset stations. The PK292A operates on 16VAC (10VA) low-voltage Class II wiring. For permanent transformer mounting use our Model #SS102A (U.L. Listed) transformer. For plug-in transformer connection use our Model #SS105B (U.L. Listed) transformer. When using a 24VAC electric door opener instead of the normal 16VAC door opener, use the Model #SS106 tri-volt transformer instead of the SS102A or SS105B. The PK292A's connections are done with an advanced plug-in wiring harness connector.

PK292A

FEATURES

• Easily Installs Right on Finished Wall Surface or in Certain Lobby Panels
• Operates on Safe Low-Voltage Class II Wiring
• Clear Voice Fidelity with Adjustable Voice (and Tone) Volume Controls
• Convenient Plug-In Wiring Harness
• Built-in Door Opener Time Delay Switch
• AC and DC Door Opener Outputs

SPECIFICATIONS

Dimensions:
Height: 5.50" (140mm)
Width: 3.13" (83mm)
Depth: 2.00" (51mm) from mounting surface

Construction: Rugged ABS plastic casing.
Amplification: Integrated circuit amplifier.
Call Tone: Integrated circuit oscillator with steady and warble tones available.
Door Release: AC or DC operation with DIP switch selectable time delay. P.O. door lock
release capability.
Controls: Adjustable Voice and Tone Volume Controls, Door Delay, Entrance Tone,
Self-Test
Connections: Polarized Plug-in Wiring Harness

ARCHITECTS' AND ENGINEERS' SPECIFICATIONS
The power supply/amplifier shall be Alpha Communications®/Tektone model PK292A, or approved
equal, and shall provide amplification, control and power circuits needed to operate the entire
intercom system. The amplifier is designed to work with the TA292A series 2-Wire apartment
handset stations only. The amplifier shall feature integrated circuit amplification, integrated circuit
call tone oscillator, adjustable voice volume and tone volume controls. Unit will also provide for
AC or DC door release operation, selectable by terminal connection, and selectable delayed door
timing of 10 or 20 seconds, selected via the DIP switch. A steady or warble tone is available to
identify a call from the entrance panel(s) and/or call button at the apartment/suite entrance.

Low voltage wiring shall be used and a plug-in wiring harness shall be provided for installation
wiring. The PK292A shall be mountable to the rear of specifically designed apartment entrance
panels. Where required, contractor shall furnish and install the necessary DZ209 series diode
boards, into the lobby panel(s).

Contractor shall observe all local and national electrical codes.

OPTIONAL COMPONENTS
DO-001 (or equivalent) 16VAC Door Release.

PK502B Multi-Entrance Relay Adaptor (use 1 for each entry panel after 1st panel--maximum of
8 entrances). No additional transformer needed. Mounts near PK292A amplifier.
PK407A Specialty Relay Adaptor. Used when connecting a door opener other than a 16VAC
(or 24VAC) type to system. One (1) required for each building entry door opener.
DZ209/5 AND/OR

DZ209/10 Diode Board Adaptors (installed behind the lobby panel, wires to the push-buttons).
Used in lobby panels that do not already have the built-in diodes needed for the 2-wire
system operation. Not needed for the AM229, AM449, AM629 or AM649 series panels.

WIRING REQUIREMENTS
See wiring diagram no. IL521 for more complete wiring information.