1. Safety instructions
1. Read this leaflet carefully before commencing to install the RH unit and retain it for
future use. Installation can only be carried out by suitably qualified personnel.
2. Check the certification to ensure that the Zone, mains supply, ambient temperature
present and ‘T’ rating are suitable for the environment the unit is being installed in.
3. DO NOT open when energised.
4. If the RH unit is to be installed in areas of high vibration, please consult with Nemalux.
5. The RH unit housing is constructed from marine grade aluminium and toughened glass,
gaskets are silicone sponge, black encapsulant and o rings are silicone rubber, internally
some components are non-metallic. The end user must ensure that these materials are
suitable for the environment the RH unit will be installed in; Zone 1 and Zone 2 Hazardous
areas.
6. Check certification nameplate on side of floodlight/highbay to ascertain type of threaded
cable entry on the luminaire. Select suitably certified ATEX/IEC Ex /UKEX cable glands and
stopper plugs, these must be parallel thread, have a minimum of 5 full thread
engagement and be of a medium/fine tolerance to ISO965-1 and ISO965-3. The cable
entry devices selected must maintain the IP rating of the luminaire
7. The incoming mains cable should not exceed a temperature rise of 20°C above the
ambient conditions; select suitable cable.
8. To ensure the safety of the equipment, ensure that the ‘flamepath’ on Zone 1 variants
are free from any corrosion. No repairs are possible to flameproof joints – if in doubt
please consult the manufacturer.
9. External fasteners must have a yield strength of at least 600N/mm2
10. On Zone 1 variants the LED assembly contains no user serviceable parts, the luminaire
must not be operated without all the individual LED polycarbonate covers in position, the
IP66 rating must be maintained.
11. When the unit is installed correctly and in accordance with these installation instructions it
will not harm humans or animals.
!
Install in a well
ventilated area
Do not continually
stare at lamp
Isolate mains before
removing cover
1.5m
2. Installation
Mounting RH Unit
1. To meet the requirements of certification a
MINIMUM
of 2 fixing points must be used,
the fixing points must be suitable for the conditions of use.
2. The line diagrams below are for guidance only – units may be mounted in any orientation
Mounting RH-20/25 Unit – Floodlight Application
151
215
350
536
639
173
200
12
30
12
151
215
350
536
639
173
200
12
30
12
151
215
350
536
639
173
200
12
30
12
2
-
1
2
www.nemalux.com | [email protected] | Tel 403•242•7475 | Fax 403•243•6190
SUBJECT TO CHANGE WITHOUT NOTICE
MADE IN
UK
3
-
1
2
www.nemalux.com | [email protected] | Tel 403•242•7475 | Fax 403•243•6190
SUBJECT TO CHANGE WITHOUT NOTICE
MADE IN
UK
