Dorma AC-228 - Page 3

Fig.1 Component Locations
AC-228 Keypad Layout
AC-228 Terminals
TERMINAL
BLOCK 1
WIRES
Fig. 2 Wiring Diagram
NOTES:
1. ALARM SHUNT SET FOR AUXILIARY RELAY
2. GRAY WIRE SET FOR DOOR SENSE
Page 2
1 2 3 4 5 6 7 8
12 – 24 VOLTS
AC OR DC
NO
NC
COM
NO
NC
COM
MAIN RELAY – 5
AMPS @28 VDC MAX
AUXILIARY RELAY – 1
AMPS @28 VDC MAX
FAIL SAFE CONNECTION
FAIL SECURE CONNECTION
TO POWER SUPPLY
TO NC ALARM
CONTACT
1 2 3 4 5 6 7 8
GRAY
BLACK
BLACK
BLACK
BLACK
BLUE
GREEN
VIOLET
C
NC
NO
C
NC
NO
NC DOOR
POSITION
SWITCH
NO REQUEST-TO-
EXIT SWITCH
SENSE
GROUND
REQUEST-TO-EXIT
GROUND
GROUND
GROUND
OUTPUT
OUTPUT
! !
CAUTION
IF THE UNIT IS AC POWERED, MAKE SURE
THAT THE SECONDARY OF THE SYSTEM IS
ISOLATED FROM EARTH GROUND.
EARTH
GROUND
CONNECTION
AUXILIARY OUTPUTS
100 mA MAX TO COMMON
}
TB1
WIRES
08279830 Rev.01/07 Page 2 of 8