Scame ADVANCE-GRP Serie Instalación Uso Y Mantenimiento página 4

ADVANCE-GRP Series
ENGLISH
READ THIS DOCUMENT CAREFULLY PRIOR TO THE INSTALLATION
Recipients: expert electricians or duly trained personnel.
1. Safety information
The interlocked sockets of the ADVANCE-GRP Series are used for fixed installations in environments with a
potential risk of explosion due to the presence of combustible dust classified as Zone 21.
These installation, use and maintenance instructions must be kept in a safe place for future reference. During
operation or maintenance jobs on the device, do not leave this manual or other objects inside the enclosure.
Use the ADVANCE-GRP Series interlocked sockets for their approved use only, and keep them fully intact and
perfectly clean. The interlocked sockets have been designed to withstand shocks of 7J, and to be used under
normal vibration conditions. They have not been designed for use in environments subject to extreme
vibrations. The enclosure is made of fibreglass-reinforced polyester.
The type of protection cannot be guaranteed if the product is not installed correctly.
Use only original spare parts supplied by SCAME.
No modification/work is allowed on the interlocked socket unless specifically indicated in this manual.
DO NOT OPEN THE ENERGIZED ENCLOSURE IN PRESENCE OF AN EXPLOSIVE ATMOSPHERE.
Always comply with national accident-prevention rules and with the safety instructions contained in
this manual whenever you work on the interlocked socket.
2. Compliance with standards
The interlocked sockets of the ADVANCE-GRP Series are intended for use in Zone 21 (EN 60079-
0:2012+A11:2013, EN 60079-31:2014).
3. Technical data and codes
3.1 Type of Ex protection
: II 2D Ex tb IIIC T90°C Db IP66
Ta -25/+60°C
Year xxxx: year of manufacture.
Product suited for use in explosive atmosphere.
II: Product classified as belonging to group II, installable in above-ground systems.
2D: Product classified as belonging to category 2 for environments featuring the presence of combustible
dust (D) suited for installation in Zone 21.
Ex tb: protection mode (protection by means of enclosure).
IIIC: Equipment classified as group IIIC, product suited to be used in presence of conductive dust.
T90°C: Maximum surface temperature value.
Ta -25/+60°C: Allowed room temperature range, present at the installation site.
Db: Equipment Protection Level (EPL).
3.2 EC Type Test Certificate
IMQ 11 ATEX 010
3.3 Degree of protection of the interlocked socket IP66
3.4 Power supply terminals, connecting conductors, tightening torques and drawable currents
Terminal section: table 2 - page 2.
Drawable currents and cable temperature: table 3 - page 2.
4. Installation
The installation must be carried out by suitably trained and skilled personnel in compliance with
applicable laws. Plant-engineering standards for environments classified against the risk of explosion
due to the presence of combustible dust must be observed (for example: EN 60079-14, or other
national regulations/standards).
Comply with generally accepted rules of behaviour for installation of electrical materials, with national accident-
prevention rules and with the safety instructions contained in this manual whenever you work on the unit. Do
not open the energized enclosure or make sure the atmosphere is not dangerous. Before you open the cover
of the interlocked socket, wait 15 minutes after cutting out the power supply.
4.1 Instructions for safe use
The IP degree of protection of the interlocked socket must be maintained by using suitable cable glands and
gaskets and by fully complying with the installation rules and the relevant instructions. When other certified
components are assembled in the interlocked socket, the user must take into account any limitation indicated
on the respective certificates.
The equipment used to drill the interlocked socket must be suited for the material (fibreglass-reinforced
polyester) and used at appropriate speeds in order to avoid damaging the walls. The holes must be drilled
within the drillable area defined for each wall (see Fig. 3), and they must be carried out up to standards, without
any burrs. The walls preset for drilling are 5.7 mm thick. The drilled holes are not suited for threading.
The holes for cable entry must be drilled in compliance with this manual.
Store the interlocked socket in a warehouse inside its original packaging in order to protect it from dust or
humidity. Remove the interlocked socket from its package right before its installation.
The interlocked socket must be installed intact and damage-free.
The interlocked sockets must be installed so that dust does not penetrate the socket with or without the plug
inserted. To minimize this risk, in case the socket cover is accidentally left open, the socket must be assembled
and positioned at a maximum angle of 45% with respect to the vertical, with the opening facing downward.
Instructions for proper installation of the interlocked socket:
1) Read the installation use and maintenance instructions for the interlocked socket.
2) Using the fixing dimensions shown in Figure 1 , mark the positions of the fixing holes on the installation wall.
3) Drill the fixing holes on the installation wall and thread the holes (if required).
4) Remove the interlocked socket from its package, making sure that it has not been damaged during shipping.
5) Check that the cover and the base are clean and defect-free.
6) Remove the plate with all the internal elements fixed to it from the base of the interlocked socket.
7) Place the base of the interlocked socket in the assembly position on the installation wall, using any
assistance necessary in order to prevent accidents.
8) Secure the device by repeating the following operations for each fixing hole:
a) Insert the clamping screw into the fixing hole.
b) Tighten the bolt (in case of a through-hole) or tighten the clamping screw completely.
9) Make sure the fixing is secure.
10) Proceed with the assembly of the cable glands (if not preassembled) following the manufacturer's
instructions.
11) Insert the plate with all the internal elements fixed to it into the base of the interlocked socket.
12) Insert the cables in the device, being careful to secure the cable armours (if applicable).
13) Proceed with the wiring according to the wiring diagram issued to the installer.
Before you close the interlocked socket:
14) Check that all foreign materials have been removed from inside the interlocked socket: do not leave these
MP36510
instructions inside.
15) Check that the gaskets are intact and properly installed.
16) Close the cover by duly tightening the screws in order to guarantee the IP degree of protection. The
tightening torque of the screws is 1.2 Nm.
17) Keep these instructions in a safe place for future reference.
4.2 Available accessories
The accessories supplied with the interlocked socket must be assembled prior to the installation of the device,
by skilled personnel, following the methods indicated in the relevant instruction sheets.
A) Kit with microswitch for plug presence check (Art. 579.0100 for 16-32-63A)
B) Auxiliary contact (1 NO contact + 1 NC contact ) (Fam. art. 590.PL00400X).
Use original, SCAME-approved accessories only.
4.3 I-Device
All ADVANCE-GRP Series interlocked sockets are equipped with an electronic device (Intelligence Device)
that checks its status by monitoring the electrical functionality, even when the load is not connected.
The indicator light on the front of the interlocked socket provides the following information:
Indicator light on: table 4 - page 2.
4.4 Wiring of the terminals
The wiring must be carried out according to the highest standards.
Use only equipment with proper size for the wiring.
Each terminal can host a single conductor, unless several conductors have been previously joint in a suitable
manner. The electrical cables must have insulation suited to the voltage. Unused terminals must be completely
tightened.
4.5 Protection - Earthing
The interlocked sockets must be connected to the protection/earthing circuits incompliance with the system
installation rules.
The internal earthing terminal will have to be connected to an equipotential protection or earthing circuit before
powering the device.
4.6 Components
Use original spare parts only.
The components to be incorporated in the device or the original spare parts must be installed by suitably
trained personnel.
4.7 Drillable areas
The areas indicated in Fig. 3 - page 2 must be drilled in compliance with the minimum distances, diameters
and maximum number of holes indicated in Table 5 - page 2 (Clearance).
4.8 Cable glands
Use only ATEX cable glands suitable for the substances, temperatures and installation zone (marked II 2D Ex
tb IIIC with minimum degree of protection IP66). Make sure that the selected cable glands are suited for the
cables, so as to prevent any loosening and guarantee a permanent seal against humidity and dust.
Unused cable entries, if open, must be closed with ATEX-certified plugs suited for the substances, temperatures
and installation zone (marked II 2D Ex tb IIIC with minimum degree of protection IP66).
• For installation of the cable glands (subject to separate ATEX certification), follow the manufacturer's
instructions, specifically the tightening torque and the presence of gaskets.
• Cable entry in the 63A version MUST be carried out through the relevant muffle equipped with single cable
entry type M50x1.5 (Kit with muffle and cable gland art. 579.EX0201)
Cable glands: Table 6 - page 2.
Cable gland dimension and minimum distance: Fig. 4 - page 2.
5. Use, maintenance and repairs
The inspection and maintenance of these interlocked sockets must be carried out by duly trained
personnel in accordance with the highest standards and according to plant-engineering and
maintenance rules for environments classified against the risk of explosion due to the presence of
combustible dust (for example: EN 60079-14 or other national regulations/standards). When carrying out
routine maintenance, always check the components responsible for the degree of protection, in particular the
gaskets. Repairs can only be carried out by SCAME.
5.1 Plugs to be used
Use only ATEX-certified OPTIMA-EX Series plugs suited for installation in Zone 21 with IP66 degree of
protection.
5.2 Lock to be used
For proper locking of the handle in position "0" or "1", use locks with arc Ø of 6.3 mm.
5.3 Socket cover
If the plug is not inserted, the cover of the interlocked socket must remain fully screwed in.
5.4 Built-in protection devices
In the versions with fuse holder bases, the front opening for control, maintenance and replacement of the fuse
must be done with the system disconnected. If the fuses need to be changed, use the following types of fuses:
- 16A/32A: type CH: 10.3x38mm gG
- 63A: type 22x58mm gG.
5.5 Routine maintenance
Routine maintenance is necessary in order to guarantee proper operation and preservation of the degree of
protection of the interlocked socket.
1) Check that the gasket is intact every time the enclosure is opened.
2) Check that the closing screws are all in place and well-tightened every time the enclosure is closed.
3) Make sure that the screws/bolts used to fasten the enclosure to the wall are well-tightened and corrosion-
free on a yearly basis.
4) Check the seal of the cable glands on a yearly basis.
5) Check for any damage to the enclosure on a yearly basis.
6) Make sure the screw terminals are tightened as indicated by the manufacturer.
7) In environments with the presence of combustible dust, the surface of the upper wall of the enclosure must
be cleaned periodically, so as to prevent the thickness of the deposited dust from exceeding 5 mm.
5.6 Chemical attack
The interlocked sockets of the ADVANCE-GRP Series are made using:
- Fibreglass-reinforced polyester for the base and for the main enclosure cover;
- Thermoplastic alloy (PC-XILOXANE) for socket cover and ring nut;
- Thermoplastic rubber for base-cover gasket and plate, knob gasket (vulcanized rubber) and LED glass
(silicone);
- Thermoplastic rubber (16-32A); Silicone rubber (63A) for socket cover gasket.
The environment where the interlocked sockets will be installed must be considered carefully in order to
ascertain the compatibility of these materials with the presence of chemical agents or corrosive atmospheres.
5.7 Disposal
The product must be disposed of in compliance with national rules on the disposal and recycling of industrial waste.
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