DoorKing 1820 Manuals & Support

This model is discontinued. Manuals and replacement parts for existing units are listed below.

The DoorKing 1820 is a building telephone intercom system with call down for up to 1,200 users. Residents can talk to visitors and the doorman without a dedicated phone company line.

The doorman or concierge can call down to residents, and calls wait in a call-back queue when the doorman is busy. DoorKing no longer lists the 1820 on its site.

Identify your model

Use the 1820 manual for circuit board 1885-010 Rev A or higher.

The 1816 is the version without call down.

Key specs

Users Up to 1,200 phones
Board 1885-010
Power 16.5 VAC, 50 VA transformer
Features Call down, call-back queue, built-in call waiting, caller ID

Manuals and documents

Installation Manual

Spec Sheet

Troubleshooting

The manual has system wide commands that turn features on and off, which help isolate a problem.

A resident phone does not ring

  • Check the directory code for that resident.
  • Check the relay or interface board for that phone line.

Door does not open

  • Check the relay strike time and the virtual doorman relay settings.
  • Check the wiring from the relay to the strike or gate operator.

Common questions

It lets the doorman or concierge phone call residents through the system.

Up to 1,200 phones.

DoorKing no longer lists it. The 1816 is the current building intercom.