RSMA273 - Flat Panel Mount Chief - Free user manual and instructions

Product Type	Flat Panel Mount
Model	RSMA273
Brand	Chief
Mounting Pattern	VESA compatible up to 600x400mm
Weight Capacity	Up to 113 kg (250 lbs)
Screen Size Range	32 to 70 inches
Dimensions (W x H x D)	686 x 406 x 45 mm (without arms)
Weight	Approximately 6.8 kg
Material	Steel with powder coat finish
Tilt Range	+5° to -15°
Roll Range	±3°
Swivel Range	±90° (with swing arms extended)
Profile Distance from Wall	Adjustable: 2.7 to 18.6 inches (6.9 to 47.2 cm)
Lateral Shift	Up to 3.8 inches (9.7 cm)
Mounting Hardware	Includes bolts, spacers, and wall anchors
Power Supply	None (passive mount)
Key Features	Centris™ tilt system for fingertip tilt adjustment, swing arm for flexible positioning, integrated cable management
Maintenance	Wipe clean with damp cloth; do not use abrasive cleaners
Safety	Certified for safety; requires proper wall anchoring
Spare Parts Availability	Contact Chief customer service or authorized dealers
Repairability	Modular design; user-serviceable parts include tilt mechanism and swing arms
General Information	Designed for professional installation; includes manual and assembly guide

Frequently Asked Questions - RSMA273 Chief

What is the VESA pattern supported by the Chief RSMA273 mount?

The Chief RSMA273 supports VESA patterns up to 600x400mm, accommodating a wide range of flat panels.

What is the maximum weight capacity of this mount?

It can hold up to 113 kg (250 lbs), making it suitable for large displays.

What screen sizes will the RSMA273 fit?

It is designed for screens from 32 to 70 inches, but check VESA compatibility.

Does the mount include all necessary hardware?

Yes, it comes with bolts, spacers, and wall anchors for installation. Always verify wall type.

Can I tilt the display after mounting?

Yes, the Centris tilt system allows fingertip tilt adjustment from +5° to -15°.

How far from the wall will the display sit?

The profile distance is adjustable from 2.7 to 18.6 inches (6.9 to 47.2 cm).

Is cable management included?

Yes, the mount features integrated cable management to keep wires organized.

What tools are required for installation?

You will need a stud finder, drill, level, and appropriate screwdrivers. Refer to manual.

Can I use this mount on drywall?

It must be attached to wood studs or concrete. Drywall alone is not sufficient.

Where can I find spare parts or service?

Contact Chief customer support or visit their website for authorized service centers.

USER MANUAL RSMA273 Chief

INSTALLATION INSTRUCTIONS

Technical line drawing of a mechanical device with a central cylindrical component and mounting base (no text or symbols)

RSM Elite Series Projector Mounts

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.

IMPORTANT SAFETY INSTRUCTIONS

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.

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: Failure to provide adequate structural strength for this component can result in serious personal injury or damage to equipment! It is the installer's responsibility to make sure the structure to which this component is attached can support five times the combined weight of all equipment. Reinforce the structure as required before installing the component.

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 attached to the RSM does not exceed 25 lbs (11.34 kg).

- The weight capacity of the RSM may be LIMITED to the lowest weight capacity of any other components located between the RSM and the supporting structure!

WARNING: Use this mounting system only for its intended use as described in these instructions. Do not use attachments not recommended by the manufacturer.

WARNING: Never operate this mounting system if it is damaged. Return the mounting system to a service center for examination and repair.

WARNING: Do not use this product outdoors.

IMPORTANT ! : The RSM mounts are designed to be:

• mounted to a 1-1/2" NPT or NPSM following ANSI/ASME B1.20.1 (Schedule 40, 0.154" minimum thickness aluminum- ASTM B221) threaded extension column.
• mounted to double 2" x 4" wood stud cross bracing (1-1/2" on center) between two 2" x 4" ceiling joists; with a maximum drywall covering of 5/8".
• mounted to a concrete ceiling with a minimum thickness of 8" and a maximum drywall covering of 5/8"; or
• suspended from four 1/4" diameter (minimum) Grade 2 or better threaded rods (not included) which are secured to unistrut, angle or channel assembly overhead structural members (trusses or l-beams) by Grade 2 or better 1/4" channel nuts (not included).

NOTE: RSM Series may be used with Listed Chief models WM110S, WM120S, WM130S, WM210S, WM220S, WM230S, WM240S, WM210SI, WM220SI, WM230SI, and WM240SI (not included).

--SAVE THESE INSTRUCTIONS--

DIMENSIONS

NOTE: CUSTOM INTERFACE BRACKET NOT SHOWN. THE CUSTOM INTERFACE BRACKET NEEDED FOR YOUR PROJECTOR WILL ADD DEPTH TO INSTALLATION AND MAY AFFECT LOCATION OF DISPLAY ON THE MOUNT.
SEE SSM-XXX DRAWING ALSO

LEGEND

	Tighten FastenerSerrez les fixationsSerrare il fissaggioBefestigungsteil festziehenApretar elemento de fijaciónBevestiging vastdraaienApertar fixador		Pencil MarkMarquage au crayonSegno a matitaStiftmarkierungMarcar con lápizPotloodmerktekenMarcar com lápis
	Loosen FastenerDesserrez les fixationsAllentare il fissaggioBefestigungsteil lösenAflojar elemento de fijaciónBevestiging losdraaienDesapertar fixador		Drill HolePercez un trouPraticare un foroBohrlochPerforarGat borenFazer furo
	Phillips ScrewdriverTournevis à pointe cruciformeCacciavite a stellaKreuzschlitzschraubendreherDestornillador PhillipsKruiskopschroevendraaierChave de fendas Phillips		AdjustAjusterRegolareEinstellenAjustarAfstellenAjustar
	Hex-Head WrenchClé à tête hexagonaleChiave esagonaleSechskantschlüsselLlave de cabeza hexagonalZeskantsleutelChave de cabeça sextavada		RemoveRetirezRimuovereEntfernenQuitarVerwijderenRemover
	Open-Ended WrenchClé à fourcheChiave a punte aperteGabelschlüsselLlave de bocaSteeksleutelChave de bocas		OptionalEn optionOpzionaleOptionalOpcionalOptieOpcional
	By HandÀ la mainA manoVon HandA manoMet de handCom a mão		Security WrenchClé de sécuritéChiave di sicurezzaSicherheitsschlüsselLlave de seguridadVeiligheidssleutelChave de segurança

LEGEND

	Hammer		Target of Projector
	Martillo		Punto de enfoque del proyector
	Hammer		Ziel des Projektors
	Martelo		Mira do projector
	Martello		Punto di proiezione
	Hamer		Doel van de projector
	Marteau		Cible du projecteur

TOOLS REQUIRED FOR INSTALLATION

PARTS

RSM INSTALLATIONNOTE:Models RSM-A/RSM-B/RSM-C/RSM-D are identical EXCEPT each provides a different keyed lock.Threaded Pipe Installation1. Carefully determine required mounting location.IMPORTANT !: This will require knowing the lens to screen distance. See projector specifications for details on determining this distance.2. Install 1-1/2" NPT or NPSM following ANSI/ASME B1.20.1 (Schedule 40, 0.154" minimum thickness aluminum - ASTM B221) threaded extension column (not included) into threaded collar until tight, with a minimum of four threads engaged.WARNING:IMPROPER INSTALLATION CAN RESULT IN SERIOUS PERSONAL INJURY OR DAMAGE TO EQUIPMENT! Structural membersMUSTbe capable of supporting five times the combined weight of all equipment being mounted.3. Align RSM with end of NPT pipe.4. Thread RSM up onto pipe by turning until hand tight.

Rough Alignment of RSM1. Turn RSM clockwise or counter-clockwise until front of mount is facing target.2. Secure RSM to pipe by turning set screw until tight.CAUTION:DO NOT OVERTIGHTEN! Over tightening of setscrew can damage threads on pipe.3. Turn security screw using a Phillips screwdriver until set screw cannot be seen through access hole in RSM.

INSTALLATION

1a

Wood Stud Installation

1. Carefully determine required mounting location.

IMPORTANT !: This will require knowing the lens to screen distance. See projector specifications for details on determining this distance.

WARNING: IMPROPER INSTALLATION CAN RESULT IN SERIOUS PERSONAL INJURY OR DAMAGE TO EQUIPMENT! Structural members MUST be capable of supporting five times the combined weight of all equipment being mounted

IMPORTANT !: The RSM mounts are designed to be mounted to double 2" x 4" wood stud cross bracing (1-1/2" on center) between two ceiling joists; with a maximum drywall covering of 5/8".

1. Using the RSM as a guide, mark four mounting hole locations with a pencil or similar tool. Hole locations must be centered on 2" x 4" cross braces.

2. Drill four 3/32" (2.5mm) dia. pilot holes to a depth of 1-3/4" (45mm) deep.

Technical line drawing of a mechanical component with no visible text or symbols

1. Align four mounting holes in RSM with four pilot holes.

IMPORTANT ! : Make sure mount is properly oriented towards target before securing to structure.

1. Secure RSM to structure using four #10 flat washers and four #10 x 3" Phillips head wood screws (not included).

1b

Concrete Installation

1. Determine mounting location.

WARNING: The RSM is designed to be mounted to a concrete ceiling with a minimum thickness of 8" and a maximum drywall covering of 5/8".

WARNING: IMPROPER INSTALLATION CAN RESULT IN SERIOUS PERSONAL INJURY OR DAMAGE TO EQUIPMENT! Structural members MUST be capable of supporting five times the combined weight of all equipment being mounted.

1. Using the RSM as a guide, mark four mounting hole locations on ceiling using a pencil or similar tool.

2. Drill four 1/4" (6.3mm) dia. pilot holes to a depth of 2-1/2" (64mm) deep.

3. Align four mounting holes in RSM with four pilot holes.

IMPORTANT ! : Make sure mount is properly oriented towards target before securing to structure.

WARNING: Anchors (not provided) must be installed into structurally sound solid concrete. Installation into hollow concrete block, mortar, or concrete that exhibits cracking, spalling, or other defects may result in failure of anchor and serious personal injury or damage to equipment.

1. Install four 3/8" x 2-1/4" Grade 2 concrete anchors (not included) by inserting into pilot holes and pounding in until flush with mounting surface.
2. Secure RSM to structure using four #10 flat washers and four #10 x 3" Phillips head wood screws (not included).

Threaded Rod Installation

The RSM must be suspended from four 1/4" diameter (minimum) Grade 2 or better threaded rods (not included) which are secured to unistrut, angle or channel assembly overhead structural members (trusses or I-beams) by Grade 2 or better 1/4" channel nuts (not included).

WARNING: IMPROPER INSTALLATION CAN RESULT IN SERIOUS PERSONAL INJURY OR DAMAGE TO EQUIPMENT! Structural members MUST be capable of supporting five times the combined weight of all equipment being mounted.

1. Carefully determine required mount position.

IMPORTANT ! : This will require knowing the lens to screen distance. See projector specifications for determining this distance.

NOTE: Threaded rod and installation hardware not included.

1. Secure one end of the threaded rod to the structural member.

2. Install four #10-24 jam nuts on each threaded rod.

3. Install the RSM on the threaded rod.

NOTE: Hole in the RSM allows socket wrench access without unit disassembly.

PROJECTOR INSTALLATION

IMPORTANT ! : Model RSM uses optional Chief "SSM" Series interface brackets. (See Parts drawing.)

Install Interface Bracket

1. Partially thread thumb nuts onto Phillips screws until screw end is visible in top of thumb screw.

IMPORTANT ! : DO NOT fully tighten thumb screws at this time.

WARNING: IMPROPER INSTALLATION CAN LEAD TO PROJECTOR FALLING RESULTING IN SERIOUS PERSONAL INJURY OR DAMAGE TO EQUIPMENT. DO NOT substitute hardware. Use only the hardware provided by the manufacturer.

1. Secure interface bracket to mount using installation instructions and hardware provided with interface bracket.

NOTE: Interface brackets can be installed using the optional All-Points Security Kit included with the SSM mounting solutions.

Install Projector With Interface Bracket

1. Orient projector with interface bracket as shown in figure 2b at left.

2. Lift projector so that screws with thumb nuts are aligned with mounting slots in mount base.

3. Slide projector with mounting bracket onto mounting slots in mount base until screws are seated against the back of mounting slots. See figure 2b and 2c.

WARNING: IMPROPER INSTALLATION CAN LEAD TO PROJECTOR FALLING RESULTING IN SERIOUS PERSONAL INJURY OR DAMAGE TO EQUIPMENT. Make certain mounting slots in mount base slide under thumb screws and that screws are seated in the back of slots.

2c

Securing Projector with Interface Bracket to Model RSM Mount

WARNING: IMPROPER INSTALLATION CAN LEAD TO PROJECTOR FALLING RESULTING IN SERIOUS PERSONAL INJURY OR DAMAGE TO EQUIPMENT. Make certain mounting slots in mount base slide under thumb screws and that screws are seated in the back of slots.

1. Verify mounting screws are properly seated in mounting slots in mount base.
2. Move locking lever to "Locked" position as shown in figure 2c at left.
3. Insert key into lock and turn to secure projector to mount.

	ADJUSTMENTSYAW AdjustmentLoosen YAW adjustment locking screw using a #2 Phillips screwdriver.Turn YAW micro-adjustment screw right or left using a #2 Phillips screwdriver until image is properly aligned on target.Tighten YAW adjustment locking screw using a #2 Phillips screwdriver.
	Pitch AdjustmentLoosen PITCH adjustment locking screw using a #2 Phillips screwdriver.Turn PITCH micro-adjustment screw right or left using a #2 Phillips screwdriver until image is properly aligned on target.Tighten PITCH adjustment locking screw using a #2 Phillips screwdriver.

Roll Adjustment

1. Loosen ROLL adjustment locking screw using a #2 Phillips screwdriver.
2. Turn ROLL micro-adjustment screw right or left using a #2 Phillips screwdriver until image is properly aligned on target.
3. Tighten ROLL adjustment locking screw using a #2 Phillips screwdriver.

milestone

AV Technologies

MANUFACTURERS DECLARATION OF CONFORMITY

For

Product identification:

Model/type

: RSMA, RSMB, RSMC, RSMD - Mini Elite Universal Projector Mount

Category (description)

: Mounting devices, Stands and other Accessories, to be used with entertainment electronics

Brand

: Chief

Manufacturer:

Milestone AV Technologies

6436 City West Parkway

Eden Prairie, MN 55344

EU Representative:

Milestone AV Technologies

Fellennoord 130 5611

ZB Einhoven

The Netherlands

31 (0)20 5708923

Concerning
	EMC	Safety
A sample of the product has been tested by:	TUV 0123	Milestone Inc.
Test report reference	NC707785WC700711, WC603563
Applied standards	EN50022B, EN55014-1, EN61000-4	EN60065/A12:2011

Means of conformity

We declare under our sole responsibility that this product is in conformity with Directive 93/68/EEC (Marking), 98/37/EC (Machinery) 2001/95/EC (Safety) 89/336/EEC (EMC) and/or complies to the essential requirements and all other relevant provisions of the based on test results using (non)harmonized standards in accordance with the Directives mentioned

RSM Elite Series Projector Mounts

Installation Instructions