RITE-HITE FROMMELT SAFETY PRODUCTS GUARDIAN DEFENDER, Manual

Page: 13 / 48

PUB. NO. DFNDRB JANUARY 2013 13
DEFENDER ™
LIMIT SWITCH WIRING / ADJUSTMENTS
LIMIT SWITCH CONTROL WIRING
13.1
LIMIT SWITCH ADJUSTMENTS
1. Loosen the two phillips screws and remove cover.
2. With curtain 2" below channel, set open limit switch.
3. Loosen the center locking screw and turn the open limit
switch cam locking screw labeled #2 until you hear the
contact click,
Figure 13.2. Pay attention to rotation of the
cam so when limit is adjusted, it will be on the proper side
of the large cam.
a. For a Right Hand Drive door, the roller tube and limit
shaft turn clockwise to lower and counter-clockwise to
raise the door. Turn the #2 open limit switch screw
counter-clockwise to lower the door and clockwise to
raise the door.
b. For a Left Hand Drive door, the roller tube and limit
shaft turn counter-clockwise to lower and clockwise to
raise the door. Turn the #2 open limit switch screw
clockwise to lower the door and counter-clockwise to
raise the door.
4. Manually release brake and lower to closed position.
5. To adjust the closed limit switch, loosen locking screw and
turn the cam screw labeled #1 until you hear the contact
click,
Figure 13.2.
a. For a Right Hand Drive door, turn the #1 close limit
switch screw clockwise to lower the door and counter-
clockwise to raise the door.
b. For a Left Hand Drive door, turn the #1 close limit
switch screw counter-clockwise to lower the door and
clockwise to raise the door.
6. Fine tuning of the limits may be necessary. This will be
determined by running the door up and down.
7. The limit switches are normally closed and will open when
the limit cam lobe is tripped or activated.
8. Replace limit switch cover and chain guard with M5 bolts.
LIMIT SWITCH ADJUSTMENTS
13.2
Open Limit Switch Cam
Close Limit Switch Cam
#1- Close Limit Switch Screw
#2- Open Limit Switch Screw
Center locking screw
Green
Yellow
Red
White
Pink
Brown
Purple
Gray