ABTQ-92 rev 02
Last review: 08-08-17
1/2
Abtech Limited, Sheffie d, S9 2QJ, United Kingdom
INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS FOR
ABTECH ‘APC10’ Photocell – SIRA10ATEX 274X, IECEx SIR 10.0171X
Marking
The marking shown is for a category 2 APC photoce .
The vo tage range is 110V to 254V 50/60Hz and the max.
current for the apparatus is 10A and is shown on the abe .
The ambient temperature range for which this product is
suitab e is -40ºC to 55ºC and is marked on the abe .
Installation
1) Choose a suitab e ocation for mounting the photoce . Ensure that the photoce window is
positioned such that operation wi not be inf uenced by any unnatura ight.
2) Remove the id fixing screws and open the id. Using a sma screwdriver, detach the green and
ye ow cab es from the termina b ock and remove the id. Do not a ow the id to hang from the
cab e.
3) Using the mounting dimensions data provided, either in the product cata ogue data sheets or
on the drawings supp ied, mark out the positions for the mounting ho es on the surface where
insta ation is required.
4) Dri the mounting ho es for M6 fixing screws.
5) P ace a mounting screw through one mounting ho e in the box so that the thread of the screw
protrudes from the back of the box. Lift the box into p ace and:-
If c earance mounting ho es are used, insert the protruding thread through the appropriate
c earance ho e and secure with a nut on the other side of the mounting surface.
Or
If threaded ho es are used, ocate the end of the mounting screw over the threaded ho e and,
using an appropriate screwdriver, tighten the screw.
6) Rotate the box to ine up the remaining mountings and repeat (4) above unti a mounting
screws have been fitted.
7) Insta and secure the cab e g ands in accordance with the manufacturer’s instructions.
8) Insert the cab es into the box eaving trai ing eads of a ength specified by site practice or the
site engineer and secure any cab e armour in accordance with site practice.
9) Terminate the cab es in the termina s provided in accordance with the requirements of BS EN
60079-14:2008 and as shown in the wiring diagram be ow. Re-connect the green and ye ow
cab es to the appropriate termina s.
10) Secure the id by c osing the id and tightening the id fixing screws.
Special Conditions for Safe Use
1) The maximum permitted oad is 10A.
2) The enc osure and photoce window shou d be wiped on y with damp c oth.
Earthing/Grounding
As an option, the APC Photoce may be provided with an externa earth stud. If provided, it must
be connected to the appropriate earth bonding circuit before e ectrica power is connected to the
contents of the enc osure.
If earth tags are used for earthing or bonding of cab e g ands, these shou d be fitted in accordance
with the manufacturer’s instructions.
