ARCHON Industries, Inc.
Model EX99-LED Explosion Proof
Luminaire -
Instruction No. 1015-2 June 2019
Installation / Operating / Maintenance
Instructions
1.
Suitability
1.1
This luminaire is suitable, when installed and
operated in accordance with these instructions,
for use in the following locations as defined by
the National Electrical Code:
Class Division Groups
I
1
C and D
I
2
C and D
1.2
This luminaire is rated for Temperature Code
T6 for a maximum ambient temperature of
40°C.
1.3
Input: 120-277 VAC / 14.7 W / 50-60 Hz.
2.
Installation
2.1
Install and use in accordance with all
applicable electrical and fire safety codes.
2.2
Ensure electrical service leads are properly
protected against mechanical damage.
2.3
CAUTION:
To reduce the risk of fire or
explosion, do not install where the marked
operating temperature exceeds the ignition
temperature of the hazardous atmosphere.
2.4
CAUTION:
Mount this luminaire at any angle
between the glass lens facing down and the
glass lens facing horizontally. Do not mount
this luminaire with the lens facing at any angle
above the horizontal. See figure 1.
Figure 1 – Operating Position
2.5
CAUTION:
Use wires rated for 105°C minimum
for supply connections.
3.
Operation
3.1
CAUTION:
To reduce the risk of ignition of
hazardous atmospheres, disconnect the
luminaire from the electrical supply circuit before
opening any of the covers.
3.2
Do not energize luminaire if the glass lens is
cracked or broken, or if the lens cap is not
screwed on tightly.
3.3
Ensure that the lens is securely held in the
luminaire before energizing the electrical supply
circuit. The lens should not be free to move
when properly installed. The lens cap must be
fully tightened onto the body to properly secure
the lens.
3.4
Ensure that all covers are tightly closed when
the luminaire is in operation.
4.
Driver Removal and Installation
Removal
4.1
The LED driver can be accessed and removed
from the rear of the unit as follows.
4.2
Remove the rear cover and slide the LED driver
out of the LED heatsink.
4.3
With the driver removed, disconnect the input
and output connectors to the driver.
Installation
4.4
Connect the input and output leads of the new
driver to the appropriate connectors making sure
that the new driver is of the same type and
rating as provided by ARCHON.
To reduce the
risk of inverting driver wiring, the input and
output connectors are not identical.
4.5
With the wire bundle carefully packaged and
secured to the driver using the recommended
wire tie, carefully place back into the LED
heatsink.
See figure 3 for illustration.
4.6
Install the rear cover and test the luminaire with
the appropriate AC input voltage.
5.
Removal of LED Assembly
5.1
The LED assembly is provided as a single unit
which includes LED heatsink, light source (COB
LED), reflector assembly, LED driver and wiring.
5.2
First unscrew the rear cover and disconnect the
AC leads from the LED driver. These leads are
black and white with an orange connector.
5.3
Although not required, if necessary, the cable
entry gland located in the wiring compartment
can be removed by unscrewing it from the body.
5.4
With the AC wires disconnected, remove the
front lens cap and slide the full LED assembly
directly out the front of the unit.
5.5
To install a new LED assembly, proceed to
section 6 of this document.
