INSTALLATION INSTRUCTIONS
Furniture Racks
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YF1F12-20-28
YF1F12-20-28
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 representation of warranty, expressed or implied,
regarding the information contained herein. Milestone assumes
no responsibility for accuracy, completeness or sufficiency of
the information contained in this document.
Chief® is a registered trademark of Milestone AV Technologies.
All rights reserved.
WARNING: Failure to read, thoroughly understand, and
follow all instructions can result in serious personal injury,
damage to equipment, or voiding of factory warranty! It is the
installer’s responsibility to make sure all components are
properly assembled and installed using the instructions
provided.
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 within the rack does not exceed
500 lbs (226.8 kg). Use with products heavier than the
maximum weight indicated may result in instability or collapse
of the rack causing possible injury.
IMPORTANT WARNINGS AND
CAUTIONS!
WARNING: A WARNING alerts you to the possibility of
serious injury or death if you do not follow the instructions.
CAUTION: A CAUTION alerts you to the possibility of
damage or destruction of equipment if you do not follow the
corresponding instructions.
DIMENSIONS
MODEL
YF1F1228H
YF1F1228M
YF1F1228B
YF1F2028H
YF1F2028M
YF1F2028B
YF1F2828H
YF1F2828M
YF1F2828B
RACKING OVERALL
USABLE
WEIGHT
DEPTH (B)
DEPTH (A)
CAPACITY
HEIGHT
LBS (KG) INCH (MM) INCH (MM) INCH (MM)
500 (227)
500 (227)
500 (227)
500 (227)
500 (227)
500 (227)
500 (227)
500 (227)
500 (227)
A
B
12 (305)
12 (305)
12 (305)
20 (508)
20 (508)
20 (508)
28 (711)
28 (711)
28 (711)
30 (762)
30 (762)
30 (762)
30 (762)
30 (762)
30 (762)
30 (762)
30 (762)
30 (762)
24.12 (612.6)
24.12 (612.6)
24.12 (612.6)
24.12 (612.6)
24.12 (612.6)
24.12 (612.6)
24.12 (612.6)
24.12 (612.6)
24.12 (612.6)
WIDTH
HEIGHT
INCH (MM) INCH (MM)
26.63 (676.4)
26.63 (676.4)
26.63 (676.4)
26.63 (676.4)
26.63 (676.4)
26.63 (676.4)
26.63 (676.4)
26.63 (676.4)
26.63 (676.4)
34 (863.6)
34 (863.6)
34 (863.6)
48 (1219.2)
48 (1219.2)
48 (1219.2)
62 (1574.8)
62 (1574.8)
62 (1574.8)
C
D
2
Installation Instructions
YF1F12-20-28
LEGEND
Tighten Fastener
Open-Ended Wrench
Apretar elemento de fijación
Llave de boca
Befestigungsteil festziehen
Gabelschlüssel
Apertar fixador
Chave de bocas
Serrare il fissaggio
Chiave a punte aperte
Bevestiging vastdraaien
Steeksleutel
Serrez les fixations
Clé à fourche
Loosen Fastener
Phillips Screwdriver
Aflojar elemento de fijación
Destornillador Phillips
Befestigungsteil lösen
Kreuzschlitzschraubendreher
Desapertar fixador
Chave de fendas Phillips
Allentare il fissaggio
Cacciavite a stella
Bevestiging losdraaien
Kruiskopschroevendraaier
Desserrez les fixations
Tournevis à pointe cruciforme
TOOLS REQUIRED FOR INSTALLATION
#2
7/16"
PARTS
A (1)
[F1 rack]
(YF1F2828 shown)
3
YF1F12-20-28
Installation Instructions
INTRODUCTION
OPTIONAL ASSEMBLY
The F1 Series racks may be configured with optional
accessories such as levelers, fan panels, etc. All accessory
installation instructions accompany the accessories.
Levelers
NOTE: The bottom cover panel may be removed for wire entry
Doors (Change hinged side)
or may be replaced with a filtered fan panel. Follow
instructions included with the fan panel. (See Figure 1)
NOTE: The panels on the back door may be replaced with fan
panels. Follow instructions included with the fan panel.
(See Figure 2)
1.
Add optional levelers to the rack following instructions
included with the levelers.
NOTE: The doors can be changed to open on the opposite side
from the way they shipped.
1.
Open door to expose hinge at top and bottom of door. (See
Figure 4)
Inside of
front door
Hinge
tab
May be removed
for wire access or
replaced with a fan panel
Door hinge
(Door removed for clarity)
Figure 1
(Top of rack removed
for clarity)
Figure 3
May be replaced
with fan panels.
(Rear view)
Figure 2
4
2.
Squeeze hinge tab at top and bottom of door and pull door
straight out to remove from rack.
3.
Turn door over and re-insert hinges into other side of rack.
4.
Slide doors into rack until the hinges "click" into the racks.
Installation Instructions
YF1F12-20-28
(front
view of
rack)
DANGER: IMPROPER WIRING CAN LEAD TO DEATH
OR SEVERE PERSONAL INJURY! Grounding must be
installed by qualified personnel using a UL Recognized No.
12AWG Green and Yellow grounding wire connected to
grounding lug on rack.
LOADING THE RACK
NOTE: The alignment panels shipped with the racks are
optional. They may be removed to facilitate loading of
the racks.
Load Distribution
CAUTION: BEGIN PLACEMENT OF LOAD AT BOTTOM
OF RACK! Load rack, moving from bottom toward top of rack.
Loading rack incorrectly may result in instability causing
possibly injury and/or damage to components.
Grounding screw and nut
installed at factory
Earthing symbol IEC 60417 No. 5019
affixed adjacent to grounding terminal.
1.
Begin placement of components into the rack at the lowest
point.
2.
Continue placing items into the rack, moving from the
bottom upward.
Figure 4
CAUTION: DISTRIBUTE LOAD CORRECTLY! Load rack
with 2/3 total weight of components in the lower half of rack.
Loading rack incorrectly may result in instability causing
possible injury and/or damage to components.
Locations of
grounding
lugs
Figure 5
5
YF1F12-20-28
6
Installation Instructions
Installation Instructions
YF1F12-20-28
7
YF1F12-20-28
Installation Instructions
USA/International
Europe
Chief Manufacturing, a products division
of Milestone AV Technologies
8821-002018 Rev00
2010 Milestone AV Technologies, a
Duchossois Group Company
www.chiefmfg.com
09/10
Asia Pacific
A
P
F
A
P
F
A
8401 Eagle Creek Parkway, Savage, MN 55378
800.582.6480 / 952.894.6280
877.894.6918 / 952.894.6918
Fellenoord 130 5611 ZB EINDHOVEN, The Netherlands
+31 (0)40 2668620
+31 (0)40 2668615
Office No. 1 on 12/F, Shatin Galleria
18-24 Shan Mei Street
Fotan, Shatin, Hong Kong
P 852 2145 4099
F 852 2145 4477
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