Installation Instructions

Installation Instructions
Document No. 553-620
November 10, 2011
18” PX Series Enclosure Assembly
Item Number 553-620, Rev. CA
Page 1 of 2
Product Description
The 18” PX series enclosure (see Figure 1) is UL-
508 listed for indoor use Type 1. The 18” PX series
enclosure can:
• provide a degree of protection to personnel
against incidental contact with the enclosed
Siemens Building Control devices.
• provide a degree of protection for those
devices against falling dirt.
The 18” enclosure is factory-equipped with the
following:
• Factory-installed 16” by 12” perforated panel
• DIN rail and wire tie bar kit
• Pull-box type door, non-locking
The 18” PX series enclosure when installed per this
instruction is certified to comply with IBC 2009 and
CBC 2010 and may be used with following List of
Equipment / Components with OSHPD Special
Seismic Certification Preapproval (OSP)
• OSP-217-10 and OSP-218-10
Product Numbers
PXA-ENC18 18” PX Series Enclosure Assembly
Caution Notation
CAUTION:
Equipment damage or loss of
data may occur if you do not
follow the procedure as specified.
Required Tools and Materials
• Adjustable wrench or pliers
• Electric drill
• Punch
• Hammer
• Level
• Marker
• Screwdrivers, small and medium Phillips
• Tape measure
• Tie-wraps
• Wire stripper/side cutters
• Four corrosion resistant 1/4” - 20 Bolts, flat
washers and nuts
To mount on concrete or masonry:
• Hammer drill
• 1/2 inch carbide masonry bit
• Four 1/4-20 corrosion resistant wall anchors
Prerequisites
CAUTION:
NEVER mount the enclosure on ductwork or
HVAC equipment.
Enclosure must be mounted at least 12 feet
(3.65 m) away from large motors and radio
equipment.
CAUTION:
Anchorage is not preapproved for Seismic
Certification and must be approved by the
Inspector of Record before installation.
Seismic Certification Preapproval requires:
• Installed Equipment is listed in OSP.
• Enclosures are non-isolated wall mounted
using four 1/4” minimum diameter bolts.
• Total installed weight of enclosure,
installed equipment and wiring not to
exceed 50 lbs. Center of gravity for DIN
mounted equipment is at center of
enclosure.
• DIN Rail mounted on backplane using
three supplied screws each.
• Listed equipment not capable of being
installed on DIN rails may be fastened to
the backplane with supplied screws
.
Expected Installation Time
30 minutes
Installation
NOTE: Follow all safety regulations and local codes
when installing this equipment.
1. Draw a level line 6 feet (1.8 m) above the floor
on the wall or surface where the enclosure will
be mounted.