Linear LRA - Manual (Page 8)

LRA Linear Residential Actuator Installation Guide
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228158 Revision X13 2-3-2009
Operator Setup (Continued)
Limit Switch Adjustment
The open and close limit switches are adjustable by sliding
them on the operator’s frame . Sliding either switch closer to
the center of the operator
decreases the gate travel .
To limit the 1. opening travel of the gate for setup, loosen the locking
screw on the open limit switch, slide the switch towards the center of
the operator (see Figure 8).
With the gate closed, apply power to the Controller,
2. STAY CLEAR
OF THE GATE and press the OPEN button.
Observe the gate as it opens, and watch the point where it stops.
3.
To limit the 4. closing travel of the gate for setup, loosen the locking
screw on the close limit switch, remove the wire holding plugs from
the wire slot in the channel, slide the switch towards the center of the
operator (see Figure 9).
Be sure to
5. STAY CLEAR OF THE GATE and press the CLOSE
button.
Observe the gate as it closes, and watch the point where it stops.
6.
Adjust the two limit switches until the open and close stopping points 7.
are set correctly for the gate. TIGHTEN THE LOCKING SCREWS
ON THE LIMIT SWITCHES.
Push any extra limit wire back into the motor housing. Replace the 8.
limit switch wire holding plugs to retain the limit switch wire.
Manual Disconnect
In case of a power failure or other condition, the gate can be manually
moved without action from the operator by using the manual disconnect
switch (see Figure 11).
To activate the manual disconnect switch:
Open the cover on the switch. 1.
Insert the disconnect key (supplied with operator). 2.
Turn the key clockwise 90˚. 3.
Reverse the steps to re-engage the operator. 4.
SLIDE OPEN LIMIT SWITCH
TO ADJUST OPEN LIMIT
LIMIT SWITCH LOCKING SCREW
OPEN LIMIT SWITCH
Figure 8. Open Limit Switch
Figure 9. Close Limit Switch
SLIDE CLOSE LIMIT SWITCH
TO ADJUST CLOSE LIMIT
LIMIT SWITCH
LOCKING SCREW
CLOSE LIMIT SWITCH
REMOVE AND REPLACE
LIMIT WIRE PLUG DURING
LIMIT SWITCH ADJUSTMENT
CAUTION
Be careful not to damage the limit switch wires while adjusting
the limit switches. Gently pull the limit switch wire while
tightening the limit switch locking screw (see Figure 10).
DISCONNECT
(UNLOCK)
CONNECT
(LOCK)
MANUAL DISCONNECT
CAN BE USED TO
DISENGAGE
OPERATOR
Figure 11. Manual Disconnect
AVOID PINCHING THE LIMIT SWITCH
WIRE BY GENTLY PULLING IT WHILE
TIGHTENING THE LIMIT SWITCH
Figure 10. Limit Switch Wire