EH20 Series
Mounts
Installation Manual
C3491M 8/17
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Contents
Important Notices ................................................................................................................................ 3
Important Safety Instructions ..................................................................................................... 3
Mount Models .............................................................................................................................. 5
Accessories .................................................................................................................................. 5
EP20 Pole Mount Bracket Installation ............................................................................................. 6
Supplied Parts List .............................................................................................................. 6
User-Supplied Parts List .................................................................................................... 6
EP21 Small Pole Mount Installation ................................................................................................. 8
Supplied Parts List .............................................................................................................. 8
User-Supplied Parts List .................................................................................................... 8
EM20JB Wall Mount Junction Box Installation ............................................................................. 11
Supplied Parts List ............................................................................................................ 11
User-Supplied Parts List .................................................................................................. 11
EC20 Ceiling Mount Bracket Installation ....................................................................................... 14
Supplied Parts List ............................................................................................................ 14
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Important Notices
For more information about Pelco’s product-specific important notices and thereto related information,
refer to www.pelco.com/legal.
Warranty Statement
For information about Pelco’s product warranty and thereto related information, refer to www.pelco.com/
warranty.
Important Safety Instructions
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Clean only with dry cloth.
6. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
7. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
8. Only use attachments/accessories specified by the manufacturer.
9. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped.
10. Installation should be done only by qualified personnel and conform to all local codes.
11. Unless the unit is specifically marked as a NEMA Type 3, 3R, 3S, 4, 4X, 6, or 6P enclosure, it is
designed for indoor use only and it must not be installed where exposed to rain and moisture.
12. Use only installation methods and materials capable of supporting four times the maximum specified
load.
13. Use stainless steel hardware to fasten the mount to outdoor surfaces.
14. An all-pole main switch with a contact separation of at least 3 mm in each pole shall be incorporated
in the electrical installation of the building.
15. A readily accessible disconnect device shall be incorporated in the building installation wiring.
CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk
of electric shock do not perform any servicing other that contained in the operating instructions unless you
are qualified to do so.
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Only use replacement parts recommended by Pelco.
After replacement/repair of this unit’s electrical components, conduct a resistance measurement between
the line and exposed parts to verify the exposed parts have not been connected to the line circuitry.
The product and/or manual may bear the following marks:
This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this
unit.
This symbol indicates that there are important operating and maintenance instructions in the literature
accompanying this unit.
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Mount Models
EP20 Large pole mount bracket for EM20 wall mount (for poles up to 8-inch diameter)
EC20 Ceiling mount bracket
EP21 Small pole mount for EM20 wall mount (for poles up to 4-inch diameter)
Accessories
EM20JB Wall mount junction box for EM20 wall mount
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EP20 Pole Mount Bracket Installation
Supplied Parts List
Qty Description
4 3/8-inch threaded rods
8 3/8-inch flat washers
8 3/8-inch hex nuts
8 ¼-inch socket head cap screws
8 ¼-inch flat washers
2 Die cast mounting flanges
User-Supplied Parts List
In addition, you will need to provide the following items:
1 5mm hex key or socket
1. Install (1) 3/8” flat washer and (1) 3/8” hex nut onto one end of each 3/8” x 9.75” threaded rod.
Place the other end of each threaded rod through the upper and lower holes on the left and right
sides of one die cast mounting flange.
2. Place the die cast mounting flange, with the threaded rods and fasteners installed, on one side of
the mounting pole.
3. Take the second die cast mounting flange and feed each of the four threaded rods through the upper
and lower holes on the left and right sides while moving it towards the opposite side of the mounting
pole as the first die cast mounting flange.
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