The intercom system kit(s) shall be Alpha Communications® / S.T.R.™ 'DPK' series or approved equal. Ultracompact door station shall be surface mount, only 3.25" (83mm) wide, and shall include a built-in voice amplifier, built-in speaker/microphone, built-in rain hood and (1,2 or 3 SPECIFY) pushbutton(s). System shall be powered by a low-voltage plug-in transformer (provided in each kit).
Each kit shall contain (1,2 or 3 SPECIFY) inside handset stations, in White plastic, with electric door release capability. Optional pushbutton illuminated L.E.D. PC board is available (and requires separate 8VAC transformer).
Contractor shall furnish and install a (compatible) electric door release, and related components, if required. Where required, contractor shall furnish and install an optional model PK407A specialty door release relay unit.
Contractor shall observe all local and national electrical and building codes.
The Alpha Communications®/S.T.R.™ 'DPK' series intercom kits are a low cost alternative to conventional apt. or entry intercom systems for 1, 2 or 3 inside handset stations. Each inside handset station requires only two (2) wires from the door station.
The ultra-compact door station is only 3.25" (83mm) wide and has a built-in voice amplifier. It easily mounts right on the surface of the wall and has a built-in rain hood. There are no visible mounting screws from the front, and built-in L.E.D.(s) illuminate the push buttons. All that is required to power the system (and door opener) is a plug-in transformer (included in each kit).
The optional PK407A door opener relay allows connection to other voltages and types of door openers.
|Inside Handset:||3.20"W (82mm) x 8.50"H (216mm) x 2.375"D (61mm) from surface of wall (dimensions shown less coil cord).|
||3.25"W (83mm) x 6.875"H (174mm) x 1.375"D (35mm) from surface of wall.|
NOTE: The audio and door opener and transformer cables must be in separate jackets and not in the same cable jacket. See system wiring diagram for more complete wiring information.