Chamberlain GCU - Manual
Chamberlain GCU – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – Installation; To open a gate enter any valid PI; Gate Terminals; ormally Open contact.
- Page 3 – Gate Operator “ON” Time; Troubleshooting; There is an error tone when the GCU is activated.; “ON” Time; OFF; Open Gate Configuration; Wiring to Operator
- Page 4 – FOR TECHNICAL SUPPORT DIAL OUR TOLL FREE NUMBER:
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Overview
The Gate Control Unit (GCU) can be paired with the
Gate Access Panel (GAPLM) to wirelessly control a
gate operator.
The GCU is compatible with various Liftmaster
Wireless Products.
Step 2
Install 4 AA Alkaline batteries
(not provided). (Lithium
batteries recommended for
colder environments.)
1
Model GCU
Gate Control Unit
Step 1
Remove cover.
Assembly
Gate Control Unit (GCU)
Within 20 seconds enter Master PI
N
N
umber on
GAPLM:
Followed by GCU Identity as determined in Step 3:
1
2
3
4
OR
OR
OR
The GCU LED will blink 3 times indicating
programming is successful. If error tone is heard or
GCU LED emits 3 double blinks, then programming
has failed.
Repeat for additional GCUs.
“BEEP” “BEEP”
Step 3
NOTE:
This step applies only if more than one GCU
is being used.
Up to four GCUs can be used. Each GCU will need a
different Identity. Set the Identity of the GCU by
changing the Dipswitches as shown in the chart
below.
GCU ID
Switch #1
Switch #2
1
OFF
OFF
2
O
N
OFF
3
OFF
O
N
4
O
N
O
N
Dipswitches
Learn
Button
Step 4
Press the Learn button on the
GCU for one second. The LED
will light for 20 seconds.
LED
Programming to GAPLM
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Summary
Step 5 Replace GCU cover and mountnear gate operator control box. Step 6 Remove bottom panel of GCU.Connect Terminal 10 on GCUto Common on gate operator(shown below). Connect Terminal 9 to Cycle ongate operator (shown below). 1 3 2 4 5 6 7 8 9 10 11 DC AC + - COM N/C EXIT SAFETY EDGE COMMON OPEN GRN...
3 Gate Operator “ON” Time Troubleshooting There is an error tone when the GCU is activated. The GAPLM or DAILM is not communicating with theGCU. The GCU may be out of range. If the units workproperly when close together, the GCU may need tobe mounted higher off the ground or on a differentsurface. M...
© 2007, The Chamberlain Group Inc. 114A3523 All Rights Reserved NOTICE: To comply with FCC and or Industry Canada rules (IC), adjustment or modifications of this receiver and/or transmitter are prohibited,except for changing the code setting or replacing the battery. THERE ARE NO OTHER USER SERVICEA...
