11
7.3.
Install a fillet chain tensioner to two extremity of the gate to regulate the tension of the chain.
NOTE:
Execute this last operation with motor completely released using the provided special release key
Fig. 25
Fig. 26
Fig. 27
Fig. 28
Fig. 29
8. LIMIT SWITCH SETUP
8.1.
Remove the operator cover.
8.2.
The main power (120V) MUST be disconnected.
8
Before acting on the limit switch, make sure that the operator chain is correctly attached to the gate, that
.3.
limit switch cursor is in the central position of its run (Fig. 27) and the gate is in its half run.
Do not open
To set or adjust the limit switch act only on the external screw.
the limit switch casing
8.4.
To install and adjust the limit switches in
opening
:
- release the operator
- open the gate manually
- act on the adjusting screw so that the microswitch can activate the contact with the cursor (Fig. 28)
8.5.
To install and adjust the limit switches in
closing
:
- release the operator
- close the gate manually
- act on the adjusting screw so that the microswitch can activate the contact with the cursor (Fig. 29)
For a more accurate adjustment, act on the adjusting screws during the testing phase with AC power and
after having executed the previous operations.
NOTE: to adjust the movement directions, refer to the control unit instruction.
For limit switch connection see the electronic installation
CURSOR
ADJUSTING SCREWS
ADJUSTING SCREWS
OPENING
CLOSING
CURSOR
CURSOR
MICRO
SWITCH
MICRO
SWITCH