ExSite “Sharing of Best Practices” - epsilon

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ExSite “Sharing of Best Practices”
The following illustrations of system
interconnections are provided only as a
guideline.
Actual connections are dictated by local
authorities and the A&E specifications of the site.
Pelco makes no recommendations
on the connection of this system .
ExSite “Sharing of Best Practices”
Improperly assembled
ExSite products may result in
explosions, damage or
death.
ExSite “Sharing of Best Practices”
Objections
•Understand the meaning of Hazardous
Locations and Explosion-proof
•Introduction of ExSite Explosion-proof
Positioning System
•Understand the importance of proper
ExSite system and wiring installation
General Overview
1. What is a flame path?
A flame path is an opening that can be traced
from inside the unit to the outside atmosphere.
2. Why is a flame path a special feature?
A flame path is designed so that if a spark or
explosion happened on the inside of the
camera , the precision fit between parts would
force it to be extinguished before reaching the
outside atmosphere.
ExSite “Sharing of Best Practices”
Not gas-tight but strong enough to contain an
explosion and prevent the escape of flame or
heat that could ignite surrounding atmospheres
Result of Explosion
ExSite
ExSite positioning System consists of 3
major parts:
1. Power Module
2. Camera Module
3. Pan and Tilt Unit
ExSite Power Supply Unit
• IPSXM-2 (24 VAC) and IPSXM-7 (100 –
240 VAC)
• Consist of Wire Harness for power, data
and video
• DIP switch for
Protocol Setting
ExSite Power Supply Unit
Check for proper seating of the O Ring
** If O Ring is folded,
the EX protection is
lost.
Always double check
O Ring. Replace
damaged O-rings.
ExSite Power Supply Unit
• Total weight of the Pan &Tilt Unit is 32kg
• Do not damage the power module grooves
• Avoid thread damage (EX protection is lost)
and please do not apply any silicon solution
Specific Codes
Wiring Installation for ExSite must be
based on local codes or specific
industry requirements.
General wiring installation
code/requirement:
IEC, CENELEC,NEC, Marine, Oil &
Gas.
ExSite Installation Kits
Supplied with ExSite
User-Supplied Parts
Qty Description
1 Nipple
1 Sealing fitting
Qty Description
1 Nipple
1 Sealing fitting
1 Sealing Compound
1 Fiber filler
1 Explosion Nipple
1 Compression Gland
Introduction of seal fitting
Conduit seals prevent explosions from spreading through
conduit systems and igniting outside atmospheres. When
properly installed and filled with a UL-listed sealing
compound, they prevent the passage of gases, vapors, or
flames from spreading from a hazardous location to a
nonhazardous location. This limits explosions to the EX
rated enclosure.
Prevent precompression, or “pressure piling,” in conduit
systems.
EX rated compression cables and compression glands are
an alternatives to sealed conduit installations. This
presentation will focus on the more traditional conduit
installation.
Introduction of seal fitting
The maximum ambient temperature range
is -76°F to 140°F (-60°C to 60°C).
Installation should be done only by qualified
personnel and conform to all local codes.
Introduction of seal fitting
1. Run the conductors through the fitting
2. Pack the sealing fitting with fiber filler. In horizontal run,
place the fiber filling a both ends of the fitting; in a vertical
run, fill only the bottom end. Fiber filler is also used to
separate the individual conductors so that the sealing
compound seals around each conductor.
Sealing Compound & Filler
Example of Sealing Compound and Fiber Filler
• Kwiko® Sealing Cements
• Kwiko® A TwinPak® Sealing Cements
• Fiber Filler
• Kwiko® A Sealing Cement and Fiber Kits
ExSite Connection Example
ExSite Installation Guideline
• Indirect cable entry
• Increased Safety
(Ex e)
• 1.6 meter length
potted cable (factory
sealed)
IOP Module
• 22X Color and 23X Day/Night (PAL/NTSC)
• Standard or With Wiper
IOP Enclosure
To access to the IOP
compartment, you
need to loosen set
screw and remove
the back cover
Tool Required:
1.5 mm Allen wrench
Spanner wrench
Warning
To avoid thread damage, carefully remove the back of
the enclosure. Never use force to remove the back of the
camera Enclosure.
IOP Enclosure
IOP Enclosure
Incorrect
Insert
Correct
Insert
IOP Module
Bent
Compression
Handle
Normal
Compression
Handle
Wiper Follower Assy
IOP Enclosure
Caution
• Be careful when install the back cap to the
enclosure, never force it to avoid
damaging the thread (EX protection is
lost)
• Please do not apply silicon solution on the
thread
• There should be no gap between the back
cap and the enclosure
Sun Shroud
ExSite “sharing of best practices”
• Please do not try to open the:
1.Front Window of the Camera Enclosure
2.Top cover of the Pan and Tilt Enclosure
3.Please do not use inappropriate tools
during installation
Only trained and certified service personnel
should perform this task.
ExSite “sharing of best practices”
Improper & Incorrect
installation.
Incorrect Installation
Installed without sealing compound &
individual wires not properly separated
Incorrect Installation
Improper curing of sealing compound and
individual wires not properly separated. No wire
twisting should occur.
Incorrect Installation
Incorrect Installation
Plumbers tape should be used to get a watertight seal
Plumbers tape should be used to get a watertight seal
Incorrect Installation
Enclosure back cover
and front window
opening cover with
silicon
corrosion and rusty
found on the
enclosure , resulted
difficulty for repair
and mainteance.
Incorrect Installation
Silicon is applied
between two
modules (pan
base and spindle
base) thus
caused
panning
obstruction and
jammed.
Incorrect Installation
Wrong mixture of compound and improper installation
resulted chemical liquid to leak into the power supply
area.
Incorrect Installation
ExSite Installation Guideline
Questions?
Thank you!
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