Middle Atlantic Products DWR Series User manual

DWR SERIES
SECTIONAL WALL MOUNT RACK
Instruction Sheet
Thank you for purchasing the DWR Series Sectional Wall Rack. Please read these instructions
thoroughly before installing and assembling this product.
• Lever Lock™ compatible in center section and backpan for small device mounting and cable
management.
• Forward compatible for 5x faster tool-free system integration.
• Tool-free quick-mount system for easy mounting of the center section to the
backpan.
• Pivots 90º off the wall for access to rear connections.
• Zero clearance latch (optional) allows side-by-side mounting or interior
corner mounting.
THANK YOU
PRODUCT FEATURES
100-00030 Rev A

SEISMIC COMPLIANCE: An engineered system is vital to achieve seismic rating requirements. A licensed professional engineer
must approve the type of fasteners for the wall where the rack will be mounted. Braced according to specifications set forth by licensed
architects and engineers, the Middle Atlantic Products rack/enclosure you purchased is capable of sustaining a phenomenal lateral
load. Refer to the seismic data published on seismic letter on the Middle Atlantic Product website.
!
Page 2
IMPORTANT SAFETY INSTRUCTIONS
DANGER HAZARDOUS VOLTAGE: The lightning flash with the arrowhead symbol, within an equilateral triangle is intended to alert the user to the
presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to
persons.
WARNING: A warning alerts you to a situation that could result in serious personal injury or death.
CAUTION: A caution alerts you to a situation that may result in minor personal injury or damage to the product and/or property.
NOTE: A note is used to highlight procedures pertaining to the installation, operation, or maintenance of the product.
• Read these instructions.
• Keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Clean only with dry cloth.
• Only use attachments/accessories specified by the manufacturer.
WARNING: Failure to read, understand and follow the following information can result in serious personal injury, damage to the
equipment or voiding of the warranty.
CAUTION : To avoid an unstable condition, place heavier components at the bottom of the enclosure. When more than one component
is placed in the enclosure, begin at the bottom of the enclosure and place equipment at the lowest available point, evenly distribute
weight (horizontally) within the enclosure.
Component weight should be distributed as follows:
• 1/2 of the total component weight (at a minimum) placed in the bottom third of the cabinet.
• 1/4 of the total component weight (at a maximum) placed in the middle third of the cabinet.
• 1/4 of the total component weight (at a maximum) placed in the top third of the cabinet.
CAUTION: Do not attempt to unload or move the enclosures alone. Make sure to have sufficient amount of personnel and equip-
ment to safely move this product.
CAUTION: Ensure that the floor has a structural load capacity that will support the weight of the cabinet fully loaded with
equipment.
CAUTION: All installation and assembly steps must be performed by qualified personnel.
CAUTION: Power cord, for fans or other accessories, need to be secured to ensure that they are routed away from pinch points
and moving parts.
CAUTION : The following parts are not effectively bonded to the protective earth terminal: Rack rails, lace bars, Lever Lock™, shelves,
baffle, blanking panels, and cable management. If any part needs to be bonded to the protective earth terminal it shall be done in
accordance with Article 250 of the National Electrical Code.
CAUTION
: To reduce the risk of personal injury and conform to the UL listing these mounting instructions must be followed and proper
weight capacity must be observed (see table below). As a general rule, heavier equipment should be placed towards the bottom of the
rack.
CAUTION : Individual components mounted inside of the wall mount rack must have their own fire enclosure.
AVERTISSEMENT: Ne pas lire, comprendre et suivre les informations suivantes peut entraîner des blessures graves, des
dommages à l'équipement ou de la nullité de la garantie.
DANGER TENSION DANGEREUSE: Le symbole de la pointe de flèche, dans un triangle équilatéral, est destiné à alerter l'utilisateur sur la
présence de tension dangereuse non isolée dans l'enceinte du produit qui peut être d'une ampleur suffisante pour constituer un risque d'électrocu-
tion.
AVERTISSEMENT: Un avertissement vous avertit d'une situation pouvant entraîner des blessures graves ou la mort.
ATTENTION: Une attention vous avertit d'une situation pouvant entraîner des blessures mineures ou des dommages au produit et/ou à la
REMARQUE: Une remarque est utilisée pour mettre en évidence les procédures relatives à l'installation, au fonctionnement ou à l'entretien du
produit.
INSTRUCTIONS IMPORTANTES SUR LA SÉCURITÉ
• Lire ces instructions.
• Conservez ces instructions.
• Respectez tous les avertissements.
• Suivez toutes les instructions.
• Nettoyer uniquement avec un chiffon sec.
• N'utilisez que des accessoires spécifiés par le fabricant.

RESPECT SISMIQUE: Un système d'ingénierie est essentiel pour répondre aux exigences d'évaluation sismique. Un ingénieur
professionnel agréé doit approuver le type de fixations utilisées pour le montage du rack. Contreventé conformément aux
spécifications établies par des architectes et ingénieurs agréés, le rack/boîtier Middle Atlantic Products que vous avez acheté est
capable de supporter une charge latérale phénoménale. Reportez-vous aux données sismiques publiées sur la lettre sismique
sur le site Web du produit Middle Atlantic.
ATTENTION : Pour éviter un état instable, placez composants les plus lourds au fond de l'enceinte. Lorsque plus d'un composant est
placé dans la enceinte, commencer par le bas de l'enceinte et placer l'équipement à la point le plus bas disponible, de distribuer
uniformément le poids (horizontalement) dans le enceinte.
Le poids des composants devrait être réparti comme suit:
• 1/2 du poids total de la composante (au minimum) placé dans le tiers inférieur de l'armoire.
• 1/4 du poids total de la composante (au maximum) placé dans le tiers médian de l'armoire.
• 1/4 du poids total de la composante (au maximum) placé dans le tiers supérieur de l'armoire.
ATTENTION: Ne essayez pas de décharger ou déplacer les enceintes seul. Assurez-vous d'avoir quantité suffisante de personnel
et de matériel pour déplacer ce produit en toute sécurité.
ATTENTION: Veiller à ce que le sol a une capacité de charge structurelle qui supporter le poids de le cabinet entièrement
chargé avec l'équipement.
ATTENTION: Toutes installation et de montage étapes doivent être effectuées par du personnel qualifié.
ATTENTION: Le cordon d'alimentation, pour les fans ou autres accessoires, doivent être fixé à veiller à ce que ils sont
acheminés loin des points de pincement et des pièces mobiles.
ATTENTION : Les pièces suivantes ne sont pas correctement liés à la borne de terre de protection: rails de rack, des bars de dentelle,
Lever Lock™, des étagères, des chicanes, des panneaux d'obturation, et la gestion des câbles. Si une partie doit être lié à la borne de
terre de protection, il doit être fait conformément à l'article 250 du Code national de l'électricité.
ATTENTION : Pour réduire le risque de blessures et conforme au UL inscription de ces instructions de montage doivent suivre et
bonne poids capacité doit être observée (voir tableau ci-dessous). En regle generale, équipement placer les plus lourds vers le bas de
la grille.
ATTENTION : Les composants individuels montés à l'intérieur de montage mural doivent avoir leur propre armoire à incendie.
DWR-10-17/22
DWR-12-17/22/26/32
DWR-16-17/22
DWR-18-17/22/26/32
DWR-21-17/22
DWR-24-17/22/26/32
DWR-35-17/22/26
Model Number
4
4
4
4
5
5
6
# of Mtng. Holes
200 lbs. (90.7 kg) Maximum Total Rated Load
200 lbs. (90.7 kg) Maximum Total Rated Load
200 lbs. (90.7 kg) Maximum Total Rated Load
250 lbs. (113.3 kg) Maximum Total Rated Load
250 lbs. (113.3 kg) Maximum Total Rated Load
300 lbs. (136 kg) Maximum Total Rated Load
300 lbs. (136 kg) Maximum Total Rated Load
Weight Rating
WEIGHT RATING
AVERTISSEMENT: Cette produit est conçu pour être utilisé uniquement avec les produits et les poids maximum indiqué. unique-
ment avec les produits et les poids maximaux indiqués. En cas d'utilisation avec d'autres produits ou des produits plus lourds que
le poids maximal indiqué, le chariot peut devenir instable et causer des blessures. Le poids total de l'équipement ne doit pas
dépasser les quantités indiquées.
WARNING: This product is intended for use only with the products and maximum weights indicated. Use with other products or
products heavier than the maximum weights indicated may result in instability causing possible injury. Total equipment weight must
not exceed the amounts listed.
Page 3
INSTRUCTIONS IMPORTANTES SUR LA SÉCURITÉ (A CONTINUÉ)

Page 4
SPEICIFICATIONS
• Protective Eyewear
• Power Driver
• 9/16” Socket
• 7/16” Socket
• ⅜” Socket
• Slip Joint Pliers
• #2 Flat Head Screwdriver
• #2 Phillips Screwdriver
REQUIRED TOOLS
WARNING: Use tools with caution and follow all necessary safety
protocols.
AVERTISSEMENT: Utiliser des outils avec prudence et suivre
tous les protocoles de sécurité nécessaires.
SUPPLIED COMPONENTS AND HARDWARE
Width: 23.4” (594.4mm)
Height: 10 RU - 35 RU
Depth: 17” (431.8mm), 22” (558.8mm), 26” (660.4mm)*, and 32” (812.8mm)*
* Available for certain heights only
Trim
C
Backpan
A
Center Section
B
NOTE:
• To order more hardware, contact support at [email protected] or [phone].
• Additional hardware is included that may not be required for your installation.
If any pieces are missing or damaged, please report it immediately to Technical Support at
[email protected] or [phone].

Page 5
INSTALLATION
CAUTION: The backpan must be installed plumb and level for proper operation.
ATTENTION: La plaque profilée doit etre aplomb et de niveau pour un fonctionnement.
1. Use a power driver, socket, and 3/8” diameter 2” (50.8mm)
minimum length lag bolts, standard flat washers (lag bolts and
washers not provided) to mount your backpan (A) to the wall as
shown. (FIGURE A)
2. Use power driver and a #2 Phillips bit to remove the screws
on both sides of the backpan bottom as shown. (FIGURE B)
3. With the feet in position, reattach the screws.
NOTE:
• Your backpan must have a minimum of 4” (101.6mm)
clearance on the top (to ceiling) and bottom (to floor).
• Standard flat washers must be installed directly under
the lag bolt heads.
• For the number of mounting holes required, see the
“Weight Rating” table on page 3. All of the mounting
holes specified for your enclosure model must be
used.
• Verify your power driver torque is on the lightest setting
and only increase as necessary.
• Feet are only provided with 24 and 35 RU DWRs. The
feet should be used when mounting in close proximity
to the floor; meaning, approximately 4” (101.6mm). In
this case, the feet help reduce the enclosure’s weight
from the mounting hardware when a significant amount
of weight is loaded in the rack.
NOTE: The backpan (A) of all DWR enclosures must be screwed to studs using the first step of this topic,
except for DWRs up to 26” (660.4mm) overall depth, which may be mounted to studs or a concrete wall
using appropriate fasteners (not provided).
FIGURE A
NOTE: A minimum
of 4” (101.6mm)
clearance is
required.
NOTE: A
minimum of
4” (101.6mm)
clearance is
required.
½” Drywall
Stud
FIGURE B Screws
Foot
A
A

Page 6
4. Remove security clips holding pivot pins in place in the top and bottom of
the backpan (A). (FIGURE C)
NOTE: When installing front door, the factory rackrail
setback will be 1½” (38.1mm) to the inside of the door.
The lock and handle located at the center of the door has an
additional setback of ½” (12.7mm).
Please adjust your rackrail accordingly before installing
equipment.
10. Use power driver,
5/16” socket, and the
screws pre-installed
on the back of the center
section (B) to install trim
(C) on the pivot side of
the center section as
shown. (FIGURE F)
5. Use hand to loosen and remove top
and bottom pivot pins. (FIGURE D)
NOTE: Use slip joint pliers to
carefully remove the pins, if necessary.
6. Lift the center section (B) and place the bottom glide strip on the
edge of the backpan (A). Position the center section to engage
the lower pivot bushing on the backpan. (FIGURE E)
7. Pivot top of center section into backpan and align with upper
pivot bushing. (FIGURE E)
8. Use hand to insert and fully tighten pivot pin into upper bushing,
and then back out one turn. Repeat for lower bushing with
second pivot pin. (FIGURE D)
9. Re-install the security clips to prevent unintentional pivot pin
removal. (FIGURE C)
NOTE:
• If using power driver, verify the torque is on the lightest setting and only
increase as necessary.
• Thread cutting screws are provided on both sides of the center section
for convenience. Leave unused thread cutting screws in place on
opposite side.
INSTALLATION (CONTINUED)
FIGURE D
Pivot Pin
Upper Pivot Bushing
B
B
C
A
Glide Strip
FIGURE E
Place
hand here
to pivot
into place.
Upper Pivot
Bushing
FIGURE F
Security Clip
FIGURE C
A

Page 7
GROUNDING AND BONDING
Protective Earth Terminals (PET) are located in backpan of the wall rack. These terminals are marked with the symbol
Wall rack parts, center section and door, contain or are provided with bonding points for connection to the backpan / PET.
Protective earth and bonding connections shall be in accordance with Article 250 of the National Electric Code.
1/4-20
Flange
Nut
12 Gauge Backpan Bonding Wire
14” (355.6mm) Length
(#10 to 1/4” ring terminals)
10-32
Locking
Nut
PROTECTIVE EARTH TERMINAL KIT (MODEL NO. PET-K-D/EWR, OPTIONAL)
PROTECTIVE EARTH TERMINAL KIT (MODEL NO. PET-K-D/EWRD, OPTIONAL)
M4 x 0.7
Thread Forming
Screw
10-32
Locking
Nut
12 Gauge Door Bonding Wire
4” (101.6mm) Length
(#10 ring terminal to female disconnect)
12 Gauge Door Bonding Wire
6” (152.4mm) Length
(#10 ring terminal to male disconnect)
1. Use 7/16” wrench and ¼”-20 flange nut to attach the larger ring terminal on the backpan bonding wire
to the protective earth terminal (PET) in your backpan (A). (FIGURE G)
2. Use 3/8” wrench and 10-32 nut to attach the other end of the backpan bonding wire to the nearest
10-32 center section (B) bonding stud.
NOTE:
• The main protective earth ground needs to be the first terminal placed on the PET and this
terminal needs to be secured on its own with a nut. The bonding wire for the center section can
be added to the PET after securing the nut for the main ground.
• Use the remaining steps to attach the optional door, if applicable.
3. Use #2 Phillips screwdriver and the M4 x 0.7 thread forming screw to attach the ring terminal end of a
door bonding wire to one of the door bonding point holes. (FIGURE G)
4. Use 3/8” wrench and 10-32 nut to attach the ring terminal end of the other door bonding wire to one of
the center section bonding studs.
5. Attach the disconnect ends of your door bonding wires together.
B
Center Section
10-32 Bonding Studs
(4 Upper and 4 Lower)
A
Door
FIGURE G Door Bonding Point Holes
(1 Upper and 1 Lower)
Backpan PET Stud
NOTE: View of bottom
from inside of enclosure.
Door
NOTE:
Front
view of
enclosure.

Page 8
• Use hook and loop slots and/or cable ties
provided on top, bottom, and sides of center
section (B) for cable management. (FIGURE H)
• Use hook and loop slots and/or cable ties in
Z-bracket for cable management.
• Use hook and loop slots and/or cable ties in
bridge lances on backpan (A) for cable
management.
• Laser knockouts are located in the center of the
backpan for large electrical boxes. (FIGURE J)
• Knockouts provided in top/bottom of backpan for
electrical fittings, UHF/VHF antenna, and cable entry.
NOTE: Use a hammer to carefully clear any knockouts
you wish to use.
CABLE MANAGEMENT
NOTE:
• Optional grommets (Model No. GR-30) are available to protect wiring when using knockouts.
• The side of your backpan also includes knockouts for a variety of uses as shown. (FIGURE K)
• Use a hammer to carefully clear any knockouts you wish to use.
UCP knockouts accommodate Middle Atlantic Products UCP
modules, which provide interfaces for most input and output
control panel connections.
Some of our UCP modules (Model Number: UNIV4 and XLR)
provide the following control panel connections:
•UNIV4 fits Neutrik FP, MP, MDL and other connectors.
• XLR fits Neutrik MPL, LNEMP and other connectors.
For more information about UCP modules, refer to
www.middleatlantic.com or contact support at
1-800-266-7225.
Middle Atlantic Products User Control Panel (UCP) Modules
Dress wires
on pivot side
as shown.
Pinch
Point
Do not
dress wires
on this side. FIGURE H
Mounting Wall
NOTE: Top view of
backpan (A) and center
section (B) shown.
FIGURE K
⅝” UHF/VHF
Antenna KO
User Control Panel
(UCP) KO
4” Cable Duct
(Accommodates Wiremold™ 4000 Series)
2” LKO
NOTE: 2” LKO
only on 21 RU
racks and up.
Mounting Wall
NOTE: Side view of backpan shown.
A
A
A
B
B
FIGURE J
NOTE: Top view of
backpan and center
section shown.
½” and ¾”
EKO
1” and 1½”
EKO
⅝” UHF/VHF
Antenna KO
2” and 3”
EKO

Page 9
Compatible Middle Atlantic Products power strips can be mounted inside the trim (C) with the included
hardware. This simplifies cable management by requiring no additional accessories.
NOTE: Reference which power strip models are compatible with your specific size enclosure at
www.middleatlantic.com.
INSTALLING POWER STRIPS
1. Use power driver, #2 Phillips bit, and flat head screw
(provided with clips, not thread forming) to secure
each power mounting clip to the trim (C) in your
enclosure. (FIGURE L)
NOTE:
• Reference the compatible power strip models for your
specific size enclosure at www.middleatlantic.com
to determine whether yours requires the use of 1 or 2
power mounting clips.
• Verify your power driver torque is on the lightest setting
and only increase as necessary.
2. Use a rubber mallet and gently tap your power strip
into the power mounting clip(s), if needed.
TIP: To remove your power strip from the mounting clip(s),
carefully wedge a #2 flat head screwdriver between the
side of your power strip and mounting clip, and gently pry
the strip from the clip(s) as shown. (FIGURE M)
FIGURE L
Power
Mounting
Clip
C
NOTE: Top view of power strip,
clip, and enclosure trim shown.
FIGURE M
Power
Strip
Flat Head
Screwdriver Tip
Power
Mounting
Clip
B
Flat Head
Screw
(Provided with
Clips, Not Thread
Forming)

Page 10
Thermal knockout sizes vary based on the following enclosure depths:
• Enclosures 17” (431.8mm) and 22” (558.8mm) deep accept (2x) 4” fans. (FIGURE L)
• Enclosures 26” (660.4mm) and 32” (812.8mm) deep accept (2x) 6” fans. (FIGURE M)
NOTE: Use a hammer to carefully clear any knockouts you wish to use.
THERMAL KNOCKOUTS BASED ON ENCLOSURE DEPTHS
FIGURE L FIGURE M
Knockouts
For 6” Fans
Knockouts
For 4” Fans

Page 11
WARRANTY
For warranty information, refer to legrandav.com/policies/warranty_information.
Corporate Headquarters
P: [phone] | F: [phone] | legrandav.com | [email protected]
Middle Atlantic Canada
P: [phone] | F: [phone] | ca.middleatlantic.com | [email protected]
Middle Atlantic EMEA Technical Support
P: [phone] | [email protected]
Factory Distribution
United States: New Jersey, California, and Illinois | Canada: Ontario | The Netherlands: Weert
At Legrand AV Inc. we are always listening. Your comments are welcome.
Legrand AV is an ISO 9001 and ISO 14001 Registered Company.