APL-9 SERIES
Stainless Steel Limit Switch
Installation & Maintenance Manual
9
May 16, 2016
www.atcontrols.com
Iom08074
9.
Tools
①
1 Set Metric Allen Key (Hex Wrench)
②
Set Screw Drivers
③
1 Set Metric Wrench
④
1 Wire Stripper long Nose
⑤
1 Needle nose plier
⑥
1 Multi Meter (AC, DC, Resistance)
⑦
1 4-20mA Loop Calibrator (if applicable 16 adapted)
10.
Installation and Maintenance Tips
For any installation and maintenance work, the following should be observed:
Caution:
A regular inspection and maintenance performed by qualified and trained personnel.
When working in potentially explosive areas, observe the standard EN 60079-14 “Electrical
Installations in Hazardous Areas”.
Work at the open actuator under voltage must only be performed if it is assured that for the
duration of the work there is no danger of explosion.
Observe additional national regulations.
10.1. Check the limit switch box visually. Ensure that no outside damage or changes are visible.
10.2 Check electric connecting cables and ensure they are without damage and are wired correctly.
10.3. Cable entries, cable glands, plugs etc. have to be checked for correct tightness and sealing.
10.4. Check whether enclosure connections are fastened correctly.
10.5. Take care of possible discoloration of the terminals and wires.
10.6. Check the enclosure joints for dirt and corrosion.
10.7. Ensure that all housing covers are handled carefully and that the seals are checked.
10.8. If defects which affect the safety are detected during maintenance, repair measures have to be
taken immediately.
10.9. Any kind of surface coating for the mating surfaces between housing and cover is not permitted.
10.10. When exchanging parts, seals etc. only original TRIAC Controls spare parts shall be used.
A-T Controls product, when properly selected, is designed to perform its intended function safely during its useful life. However, the purchaser or user of A-
T Controls products should be aware that A-T Controls products might be used in numerous applications under a wide variety of industrial service
conditions. Although A-T Controls can provide general guidelines, it cannot provide specific data and warnings for all possible applications. The purchaser
/ user must therefore assume the ultimate responsibility for the proper sizing and selection, installation, operation, and maintenance of A-T Controls
products. The user should read and understand the installation operation maintenance (IOM) instructions included with the product, and train its employees
and contractors in the safe use of A-T Controls products in connection with the specific application.
While the information and specifications contained in this literature are believed to be accurate, they are supplied for informative purposes only. Because A-
T Controls is continually improving and upgrading its product design, the specifications, dimensions and information contained in this literature are subject
to change without notice. Should any question arise concerning these specifications, the purchaser/user should contact A-T Controls.
For product specifications go to
http://download.a-tcontrols.com/
A-T Controls, Inc. • 9955 International Boulevard, Cincinnati, OH 45246 • Phone: (513) 530-5175 • Fax: (513) 247-5462 •
