INSTALLATION INSTRUCTIONS
In-Wall Accessory Boxes
PAC525/526
PAC525/526
Installation Instructions
DISCLAIMER
Milestone AV Technologies and its affiliated corporations and
subsidiaries (collectively “Milestone”), intend to make this
manual accurate and complete. However, Milestone makes no
claim that the information contained herein covers all details,
conditions or variations, nor does it provide for every possible
contingency in connection with the installation or use of this
product. The information contained in this document is subject
to change without notice or obligation of any kind. Milestone
makes no repres entation of warranty, expressed or implied,
regarding the i nform ation contained herein. Mil estone assu me s
no responsibility for accuracy, completeness or su fficiency of
the information contained in this document.
Chief® is a regist ered tra demark of Mil estone AV Technolog ies.
All rights reserved.
IMPORTANT SAFETY INSTRUCTIONS
WARNING: A WARNING alerts you to the possibility of
serious injury or death if you do not follow the i nstructions.
CAUTION: A CAUTION alerts you to the possibility of
damage or destruction of equip men t if you do not follow the
corresponding instructions.
IMPORTANT ! : The PAC525/526 mounts are designed to
be mounted to a 2” x 4” wood stud wall 16” on center, a 2” x 4”
-25ga (minimum) steel studs wall, or to a 1/2” minimum
thickness drywall surface.
NOTE: Spacings - Minimum spacings between the 120 Vac
power components and the A/V components shall be maintained for safe operation of the equipment when installed in
accordance with the National Electric Code, ANSI/NFPA 70.
NOTE: When selecting a Listed 120 Vac Receptacle for use as
the main power source for the PAC Series boxes (to power the
A/V equipment), make sure that AC Receptacle is rated at least
15A and it is used in the building's AC branch circuit that is
connected to a circuit breaker rated at least 15A. Do not
connect more than 12A from the Receptacle.
In the U.S., the equipment shall be installed per the applicable
requirements of the National Electrical Code, ANSI/NFPA 70.
In Canad a, the equipment sh all be installed per the applicable
requirements of the Canadian Electrical Code, CSA C22 .1.
NOTE: It is the installer’s responsibility to ensure that the
enclosure is bonded to the ground in the switch box, in
accordance with the National Electric Code, ANSI/NFPA 70
or Canadian Electrical Code, CSA C22.1. A green grounding
screw is provided in the enclosure for the purpose, if required.
--SAVE THESE INSTRUCTIONS--
WARNING: Failure to read, thoroughly understand, and
follow all instructions can result in serious personal injury,
damage to equipment, or vo iding of factory warranty! It is th e
installer’s responsibility to make sure all components are
properly assembl ed and installed using the instructions
provided.
WARNING: Failure to provide adequate structural strength
for this accessory can result in serious personal injury or
damage to equipment! It is the installer’s responsibility to
make sure the structure to which this accessory is attached
can support five times the combined weight of all equipment.
WARNING: Exceeding the weight capacity can result in
serious personal injury or damage to equipment! It is the
installer’s responsibility to make sure the combined weight of
all components located in the accessory does not exceed
10 lbs (4.5 kg).
WARNING: Use this mounting sys tem only for its intended
use as described in these instructions. Do not use
attachments not recommended by the manufacture r.
WARNING: For indoor use only.
2
Installation Instructions
DIMENSIONS
PAC525/526
PAC525
1.72
[43.7]
4.50
114.3
2.57
65.2
1.36
[34.5]
[21.8]
0.87
2.57
65.2
3.00
76.2
1.38
34.9
7.00
177.8
.38
14.25
362
10.93
277.6
3.00
76.2
1.13
28.6
4.75
9.5
120.7
15.40
391.1
9X .75 X .25
ZIP TIE ANCHOR HOOKS
3.73
94.9
10.26
260.7
4.50
114.3
2.57
65.2
3.88
98.4
7.00
177.8
9.00
228.6
P
PAC526
1.72
[43.7]
ZIP TIE ANCHOR H OOKS
2.57
65.2
1.82
46.2
.82
20.8
14X .75 X .25
[34.5]
1.36
0.87
[21.8]
14.25
362
11.75
298.5
5.00
127
1.13
28.6
3.88
98.4
7.13
181
15.51
3.73
94.9
394.1
15.40
391.1
4.75
2.57
65.2
14.25
362
120.7
3.00
76.2
10.93
277.6
.38
9.5
1.38
34.9
3
PAC525/526
LEGEND
Installation Instructions
+
Tighten Fastener
Apretar elemento de fijación
Befestigungsteil festziehen
Apertar fixador
Serrare il fissaggio
Bevestiging vastdraaien
Serrez les fixations
Loosen Fastener
Aflojar elemento de fijación
Befestigungsteil lösen
Desapertar fixador
Allentare il fissaggio
Bevestiging losdraaien
Desserrez les fixations
Phillips Screwdriver
Destornillador Phillips
Kreuzschlitzschraubendreher
Chave de fendas Phillips
Cacciavite a stella
Kruiskopschroevendraaier
Tournevis à pointe cruciforme
Pencil Mark
Marcar con lápiz
Stiftmarkierung
Marcar com lápis
Segno a matita
Potloodmerkteken
Marquage au crayon
Drill Hole
Perforar
Bohrloch
Fazer furo
Praticare un foro
Gat boren
Percez un trou
Adjust
Ajustar
Einstellen
Ajustar
Regolare
Afstellen
Ajuster
Flathead Screwdriver
Mark level line
Remove
Quitar
Entfernen
Remover
Rimuovere
Verwijderen
Retirez
Precision hand cut surface
4
Installation Instructions
TOOLS REQUIRED FOR INSTALLATION
PAC525/526
12345
PARTS INCLUDED
Hardware Bag
3/16”
optional
1/4”
#2 Flathead
#2 Phillips
* Items may vary depending on specific model number.
A
Box Cover
B
Box Frame
C
Install Box
Stud Sensor
Punch
D
Templ ate /Tempora ry C ov er
Ground ing screw installed at factory
E
1/4 - 20 x 2 1/2” Screw
(4x)
G
#6 - 32 Hex Nut
(8x)
F
#6 - 32 x 3/8” Screw
(8x)
H
3/8” Flat Washer
(4x)
#10 - 32 x 3/8”
Earthing symbol IEC 60418 No. 5019
affixed adjacent to grounding terminal
OPTIONAL PARTS PER CUSTOM CONFIGURATION (NOT INCLUDED)
Conduit Connector s
Conduit Pipe 1/2”, 1” or 1-1/4”
3” x 2” Steel Old
Work Switch Box
(2” deep)
Raco #420 or equiv.
Electrical
Outlet
Narrow Handy Box
Cover, Duplex
Raco #864 or equiv.
Zip Ties
5
PAC525/526
Installation Instructions
INSTALLATION
The PAC525/526 is intended for use both in installations
where an existing finished drywall wall is present, and where
the wall surface has not been finished and the structural studs
are exposed. The wall then must be finished around the
opening of the box after the box has been installed.
WARNING: All wiring should be performed
by a licensed electrician following all local
codes and ordinances.
PAC525/526 Project Planning
1
Identify a suitable wall location for the accessory.
2
Using a stud sensor, locate and mark studs.
3
Identify possible structural conflicts (electrical wiring,
plumbing, gaslines, HVAC).
WARNING: ELECTRICAL SHOCK HAZARD! CUTTING
OR DRILLING INTO ELECTRICAL WIRES OR CABLES
CAN CAUSE DEATH OR SERIOUS PERSONAL INJUR Y!
ALWAYS make certain area behind mounting surfaces is
free of electrical wires and cables before cutting, drilling or
installing fasteners.
Plan box and component needs.
5
Sketch diagrams provided:
PAC525
PAC526
WARNING: EXPLOSI ON AND FIRE HAZARD! CUTTIN G
OR DRILLING INTO GAS PLUMBING CAN CAUSE
DEATH OR SERIOUS PERSONAL INJURY. ALWAY S
make certain area behind mounting surfaces is free of gas,
water, waste or any other plumbing before cutting, drilling
or installing fasteners.
4
Determine installation type. Housing is designed to fit
between two adjacent wall studs, or onto a 1/2” minimum
thickness drywall surface.
Drywall attachment only
Stud & drywall attachment
6
Determine all components needed.
Conduit Pipe
Conduit Connectors (large and small)
Electrical Box(es) (3” x 2”)
Steel Electrical Box Cover(s)
Zip Ties
Electrical Outlet(s)
Pre-sheetrock attachment
6
Installation Instructions
PAC525/526
PAC525/52 6 Si te Preparation
7
Using a level, draw a horizontal line at lower edge of
install site.
A - STUD ATTACHMENT - create exploratory hole to
confirm edge of stud/studs.
B - DRYWALL ATTACHMENT - mark horizontal cut
locations ensuring a minimum 1/2” distance from
each stud.
A
B B
Align on lower edge drawn line (A) and horizontal
8
marking for inside stud location (B).Use enclosed
template or housing as a template, drawing line
around top and sides of housing.
PAC525/526 Box Preparat ion
Remove knock-outs in box as predetermined in
11
step 5.
Loosely attach components and conduit (cut to length)
12
to box to ease fitting into wall opening.
Use four #6 screws (F)
and nuts (G) to assemble
the switch box from either
inside or outside the
PAC525 or PAC526.
A
9
Cut along outside
edge of line using
utility knife.
Remove drywall.
NOTE:
Cutting past corners
weakens the cleats’
ability to hold securely.
10
Mark the
B
Once wall opening is completed, check stud depth. If 3.5” or greater, proceed to step 11. If less than 3.5” deep, modify depth
of box as follows before proceeding: CAUTION: Injury may occur on sharp edges. Carefully discard the removable tabs.
four corners.
B
A
PAC525/526 Box Installation
13
Feed attached conduit through cut-out and insert box
into opening in wall. Tighten component connections.
A - Remove box flange by removing screws.
B - Snap off removable tabs
at perforations provided.
CAUTION:
Avoid sharp edges.
C - Reinstall box flange. Reattach screws.
7
PAC525/526
Installation Instructions
14
Secure box into
place by methods
chosen.
DRYWALL
ATTACHMENT:
Slide locking
cleats into place.
Tighten screws
to secure.
STUD ATTACHMENT:
Drill pilot holes (optional) into studs through mounting
holes in box. Wood studs - use 3/16” bit. If steel studs
- use 1/4” bit. Install with 1/4 - 20 x 2 1/2” screws (E)
and 3/8” flat washers (H) into pilot holes.
PAC525/526 Final Finishing
16
Using preferred attachment method (zip ties, bands, etc. none included), secure AV components and cables within
the wall box. Attachment methods may use integrated
attachment points at back of wall box or other appropriate
points.
Install template as temporary cover if needed to protect
17
from debris by folding tabs in and inserting into opening.
15
NOTE:
Box may be installed with outer flange removed
for a pre-sheetrock open stud mount configuration.
NOTE:
Save flange for
reattachment after
sheetrock is installed.
NOTE:
Locate front edge of box extended
beyond studs by thickness of
sheetrock to be used.
Modify enclosure cover before attaching. Break away tab(s)
18
to allow wire exit from box and meet ventilation needs.
Gather wires and route through cover opening. Install
19
cover, screw fasteners(2) into place to secure and
complete enclosure.
Cover
Mounting
Screw
Plastic
Spacer
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Installation Instructions PAC525/526
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PAC525/526 Installation Instructions
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Installation Instructions PAC525/526
11
Installation Instructions
PAC525/526
Chief, a products division of
Milestone AV Technologies
8800-002517 Rev02
2015 Milestone AV Technologies
www.chiefmfg.com
04/15
USA/International A 6436 City West Parkway, Eden Prairie, MN 55344
P 800.582.6480 / 952.225.6000
F 877.894.6918 / 952.894.6918
Europe A Franklinstraat 14, 6003 DK Weert, Netherlands
P +31 (0) 495 580 852
F +31 (0) 495 580 845
Asia Pac if ic A Office No. 918 on 9/F, Shatin Galleria
18-24 Shan Mei Street
Fotan, Shatin, Hong Kon g
P 852 2145 4099
F 852 2145 4477
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