Linear ACCESS AK-21 - User Manual

AK-21
Digital Keyless
Entry System
(760) 438-7000
USA & Canada (800) 421-1587 & (800) 392-0123
Toll Free FAX (800) 468-1340
www.linearcorp.com
228045 A IMAGE 1
PRINTER’S INSTRUCTIONS:
INSTR,INSTL,AK-21 - LINEAR P/N: 228045 A - INK: BLACK - MATERIAL: 20 LB. MEAD BOND - SIZE: 8.500” X 11.000” - SCALE: 1-1 - FOLDING: ALBUM-FOLD - BINDING: SADDLE-STITCH
Installation and Programming Instructions

Linear ACCESS AK-21 Specifications

Power

voltage	12-24 Volts AC or DC
current typical	30 mA
current maximum	150 mA

Outputs

main relay current	5 Amps @ 28 Volts maximum
auxiliary relay current	1 Amp @ 28 Volts maximum
solid state outputs current	100 mA @ 24 VDC maximum

Operating Environment

temperature range	-22°F to 149°F (-30°C to 65°C)
humidity range	5% to 95% non-condensing

Weight and Dimensions

width	3.00 inches
height	5.00 inches
depth	3.00 inches

Summary

Keypad Features

Form C Relay Contacts

Main Relay (5A) and Auxiliary Relay (1A) for switching.

Input Functions

Door Sense, Inhibit, and Request-to-Exit inputs supported.

Wiring Diagram

Terminal Block Connections

Details for AK-21 terminals TB1 and TB2.

Wiring Notes and Cautions

Important instructions and safety warnings for wiring.

Installation

Opening the Keypad

Steps to disassemble the keypad for installation.

Mounting Plate Installation

Final Keypad Assembly

Keypad Wiring

Door Strike Wiring

Connecting the electric door strike to the keypad.

Power Supply Wiring

Connecting the power source to the keypad terminals.

Earth Ground Connection

Sense Input Wiring

Wiring for door sense or inhibit functions.

Request-to-Exit Input Wiring

Connecting a pushbutton for codeless access.

Solid State Outputs Wiring

Factory Defaults

Default Programming Settings

Basic Programming

Entering Programming Mode

Procedure to enter programming mode with master code.

Exiting Programming Mode

Handling Programming Errors

Programming Tasks

Adding Entry Codes

Steps to add new entry codes and assign relay actions.

Erasing Entry Codes

Procedures for deleting single or all entry codes.

Changing Master Code

Procedure to update the 6-digit master programming code.

Setting Entry Code Length

Programming Options

Door Sense or Inhibit Input

Configure input terminal #8 for door sense or inhibit.

Output Configuration

Relay Activation Times

Solid State Output Times

Keypad Lockout and Anti-Passback

Keypad Lockout Count

Anti-passback Time

Resetting the Keypad

Master Reset Procedure

Clears all settings and entry codes to factory defaults.

Resetting the Master Code

Procedure to reset the master code to the default (123456).