APL-9 SERIES
Stainless Steel Limit Switch
Installation & Maintenance Manual
6
May 16, 2016
www.atcontrols.com
Iom08074
4.3.
Cam setting
4.3.1. The color of cams matches the position indicator to help set the cams easily without wiring
diagram. Cams can be easily set without tools. APL series cams are splined and can be set
by lifting up or pushing down on the cam to be set.
Self-locking, spring loading ensures cams never slip out of adjustment.
4.3.2. Loosen the captive cover bolts with an applicable tool. (Wrench or Screwdriver recommended)
4.3.3. Remove cover carefully.
4.3.4. Open cam setting
①
Operate the actuator to fully open position
②
Lift the bottom green cam up and rotate it until the switch is activated.
③
Release the cam so it fits back over the cam gear.
4.3.5. Close cam setting
①
Operate the actuator to fully closed position
②
Push the upper red cam down and rotate it until the switch is activated.
③
Release the cam so it fits back over the cam gear.
4.4.
Wiring
Danger: HAZARDOUS VOLTAGE. No electrical power should be connected until all
wiring and limit switch adjustments have been completed.
4.4.1. APL limit switch box enclosure feature prewired switches. All user connections are made at a
numbered terminal strip. A wiring diagram, located inside the cover, indicates which terminal
numbers correspond to switch contacts, such as normally open (NO), normally closed (NC),
etc. Follow the wiring diagram and electrical code to connect the switches to your system.
4.4.2. Solenoid valve may also can be wired through the APL enclosure. Two auxiliary terminals are
typically included as standard.
4.4.3. APL limit switch box has two cable entries on the body. A blanking plug that meets the type of
protection must be installed in unused cable entries. Cable gland is not supplied by TRIAC
Controls and shall be provided by installer or user.
Note;
Grounding must be connected once all wiring had been completed.
Internal/External grounding wire square shall be min. 18AWG recommended
