LiftMaster TAC2C Single Tenant Telephone Access Control Retrofit System - Manual (Page 2)

© 2011, The Chamberlain Group
01-35895B All Rights Reserved
When wiring is complete, secure the new faceplate to
the existing housing with the provided screws (4).
SET THE MASTER CODE
Once power is applied, the unit will begin to “click” to
indicate that it is powered, and is waiting to be programmed for
the unit’s Master Code. The Master Code is used to unlock the
programming functions of the unit. The Master Code should not
be distributed as a User Code.
Enter on the unit’s keypad.
Enter 4-digit Master Code. Example: 1234.
“BEEP” “BEEP”
Write down the Master Code and store in a secure
location.
1
2
3
1 2 3
4 5 6
7 8 9
*
0 #
RELAY 1
COM
RELAY 1
NO
RELAY 1
NC
RELAY 2
NC
RELAY 2
NO
RELAY 2
COM
RELAY 1
COM
RELAY 1
NO
RELAY 1
NC
RELAY 2
NC
RELAY 2
NO
RELAY 2
COM
Connect the power wires to the new transformer and
plug the transformer into a 110 Vac outlet ONLY, any
other type of outlet will cause damage to the unit.
NEW 16 Vdc
Transformer
(provided)
110 Vac Outlet ONLY
8
POWER
Ground Wire
Crimp the ground lug onto the end of the
ground wire on the new board. Attach the
ground lug to the ground screw in the
existing housing.
Rewire the relay 1 and 2 wires
to the relay 1 and 2 terminal
blocks on the new board.
Ground Lug
Ground Screw
in existing
housing
Remove the PHONE, POWER, and AUTOCALL
terminal blocks from the new board. Leave the
Relay 1 and 2 terminal blocks.
NEW TAC2C BOARD
AUTOCALL
PHONE/TELCO
RELAY 1
RELAY 2
POWER
AUTOCALL
PHONE/TELCO
Attach the labeled wires to the new TAC2C board as shown.
RELAY 1 RELAY 2
COM NO NC COM NO NC
For complete programming information refer to the
Programming Guide.
6
7 9
Testing
TEST GATE / DOOR RELAYS
Test Relay 1
Enter 4 digit Master Code.
Press 1 to test Relay 1.
Test Relay 2
Enter 4 digit Master Code.
Press 2 to test Relay 2.
TEST THE TELEPHONE CONNECTIONS
Place a telephone call from the resident’s telephone to verify
the unit is operating properly, then hang up the phone.
Press the “Call” button on the unit’s keypad. The telephone in
the residence should ring.
To test Relay 1 have someone answer the telephone and enter
“*9” (Star + 9) to activate Relay 1. The unit will disconnect
the call as soon as the relay is activated. To test Relay 2 have
someone answer the telephone and enter “*5” (Star + 5).
Relay 2 should activate. The unit will disconnect the call as
soon as the relay is activated.
1
1
2
1
2
2
3
IMPORTANT NOTE: DO NOT use the existing transformer,
the provided transformer MUST be used instead.