SPECIAL CONDITIONS FOR SAFE USE (as stated in the EC Type Examination Certificate SIRA 05ATEX2269X)
Conditions for Syrex IS-XN Beacon
The equipment has an ingress protection rating of IP65. However, if it has been supplied without cable entry devices, then the user shall ensure that the devices that are fitted will provide an ingress protection that is appropriate to the environment in which it is installed i.e. IP20 or better. If only one of the two cable entries are used, then the unused entry ©knockout©shall be left intact or fitted with a blanking device that ensures ingress protection appropriate to the
©O©Ring Seal
Input Terminals
Flash Rate |
Header Pins |
Syrex | Flash Rate |
- | 1Hz |
+ | 2Hz |
environment in which it is installed i.e. IP20 or better.
The equipment shall not be directly installed in any process where its enclosure might be
4.2 Zones, Gas Groups and T Rating
The Syrex
Zone 0 | explosive gas air mixture | |
| continuously present. | |
Zone 1 | explosive gas air mixture likely to occur in | |
| normal operation. | |
Zone 2 | explosive gas air mixture not likely to occur, | |
| and if it does, it will only exist for a short time. | |
Be used with gases in groups: | ||
Group | A | propane |
Group | B | ethylene |
Group | C | hydrogen |
Having a temperature classification of: | ||
T1 | 450ºC | |
T2 | 300ºC | |
T3 | 200ºC | |
T4 | 135ºC |
4.3 Terminals + and - power supply
Power is supplied to the beacon via terminals + and - which have maximum input safety parameters of:
Ui | = | 28V |
Pi | = | 1.2W |
Ci = 0 |
| Li = 0 |
Syrex
Up to three Syrex
The maximum permitted cable parameters defined by the barrier or isolator certificate must not be exceeded.
Fig 1 Location of field terminals and controls.
5. INSTALLATION
In addition to the certification requirements shown in section 4.2, the environmental conditions must be within the limits shown on the product specification. The beacon enclosure provides IP65 protection and is suitable for installation in an exterior location if an appropriate sealed cable entry is used. Syrex
5.1 Mounting
The Syrex
5.2Installation procedure
a.Unscrew the beacon unit security screw and remove the beacon section from the base by turning it anti- clockwise. Ensure that the ‘O’ ring seal remains in place.
b.Remove the required 20mm knockout section(s) depending on system wiring and mount the base to a flat surface by inserting two screws through the back of the base.
c.Fit the required number of 20mm cable glands or conduit entries into the base and connect the field wiring to the appropriate beacon terminals as shown in section 6 and Fig 1 of this manual.
d.Check that the ‘O’ ring seal is correctly located on the beacon section (see Fig. 1) and insert the beacon section into the base. Push it fully home and turn it clockwise to align the mouldings before tightening the security screw.
Fit mounting screws | 20mm knockouts |
through base |
|
Fig 2 Mounting Beacon Base.
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Klaxon Signals Ltd. Wrigley Street, Oldham, Lancashire UK OL4 1HW | sales@klaxonsignals.com | Tel: +44 (0)161 287 5555 | ||
Document No. Klaxon Syrex | Issue: A | Sheet 2 of 3 | www.klaxonsignals.com | Fax: +44 (0)161 287 5511 |
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